Nyt fra tidsskrifterne
Ingen søgeord valgt.
28 emner vises.
Tiamiyu, Abdulwasiu B.; Hu, Fengming; Kokogho, Afoke; Charurat, Manhattan E.; Ekeh, Charles; Adebajo, Sylvia; Shoyemi, Elizabeth; Iroezindu, Michael; Ake, Julie A.; Baral, Stefan D.; Nowak, Rebecca G.; Crowell, Trevor A.; for the TRUST/RV368 Study Group
Journal of Acquired Immune Deficiency Syndromes, 27.10.2024
Tilføjet 27.10.2024
Background: Discussion of HIV and other sexually transmitted infections (STIs) among sex partners facilitates risk reduction. We evaluated HIV/STI-related communications, including broad assessment of any self-reported discussion of the topic and specific discussion of each partners’ HIV status, among a historically marginalized and presently criminalized community of sexual and gender minorities (SGM) in Nigeria. Methods: From 2013-2018, we enrolled SGM aged 18+ in Lagos or 16+ in Abuja who reported anal sex with men. At enrollment and 3-, 9-, and 15-month follow-up visits, participants were asked about their sexual behaviors and communications with main sexual partners (MSP) and casual sexual partners (CSP). Questions included “have you talked with your [MSP/CSP] about sexually transmitted infections and HIV?” Multivariable robust Poisson regression with generalized estimating equations was used to estimate adjusted relative risks (aRRs) and 95% confidence intervals (CIs) for factors potentially associated with HIV/STI-related communications with some or all of each type of sexual partner. Results: Among 2795 SGM enrolled with median age 23 years (interquartile range 20–27), questions about HIV/STI-related communications with MSP were answered by 2436 (87.2%) and with CSP by 2398 (85.9%). Communication with MSP was reported by 68.1% (1659/2436), of whom 897 (54.1%) discussed their own HIV status and 925 (55.8%) discussed their partner’s status. Communication with CSP was reported by 43.9% (1052/2398), of whom 389 (37.0%) discussed their own HIV status and 385 (36.6%) discussed their partner’s status. Among participants with both MSP and CSP, HIV/STI-related communication with MSP was more common among participants with higher than secondary education (aRR 1.40 [95%CI 1.24–1.58)], who were divorced/separated/widowed (aRR 1.19 [95% CI 1.06–1.33]), who discussed their HIV status with CSP (aRR 1.18 [95%CI 1.10–1.25]), discussed CSP’s HIV status (aRR 1.20 [95%CI 1.13–1.27]), and used a condom at last sex with CSP (aRR 1.16 [95%CI 1.08–1.25]). HIV/STI-related communication with CSP was more common among participants with higher than secondary education (aRR 1.36 [95%CI 1.12–1.66]); who were divorced/separated/widowed (aRR 1.38 [95%CI 1.13–1.69]), who discussed their HIV status with MSP (aRR 1.47 [95%CI 1.27–1.69]), who discussed CSP’s HIV status (aRR 1.22 [95%CI 1.06–1.40]) and used a condom at last sex with CSP (aRR 1.22 (95%CI 1.08–1.38]). Conclusion: HIV/STI-related communications with main and casual sex partners were both associated with safer sex with CSP. HIV prevention and treatment programs for SGM should promote open communications in sexual relationships and consider deployment of modern strategies to facilitate disclosure, especially in settings with criminalizing legislation. Written work prepared by employees of the Federal Government as part of their official duties is, under the U.S. Copyright Act, a “work of the United States Government” for which copyright protection under Title 17 of the United States Code is not available. As such, copyright does not extend to the contributions of employees of the Federal Government.
Læs mere Tjek på PubMedKris, Hage; Anders, Boyd; Daniëla K., van Santen; Kees, Brinkman; Joop, Arends; Fanny, Lauw; Bart, Rijnders; Arne, van Eeden; Valk Marc, van der; Astrid, Newsum; Amy, Matser; Janke, Schinkel; Maria, Prins
Journal of Acquired Immune Deficiency Syndromes, 27.10.2024
Tilføjet 27.10.2024
Background: Little is known about the effect of HCV treatment on sexual risk behaviour among men who have sex with men (MSM) with HIV by treatment type (IFN-based vs DAA-based). Setting: MSM with HIV and recently acquired HCV infection enrolled in the observational MOSAIC cohort. Methods: Using data from 2009-2018, we evaluated risk behaviour through a validated HCV risk score (where ≥2 indicated high risk) and its individual risk behaviours. Levels of risk behaviour before, during and after treatment were modelled for each treatment episode using linear and logistic regression with Generalized Estimating Equations adjusting for DAA availability and number of re-infections. Results: 140 MSM with a median age of 45 years (interquartile range=40-49) yielded 180 treatment episodes (n=131 IFN-based, n=49 DAA-based). Adjusted mean risk score before, during and after treatment was 2.4 (95% confidence interval (CI)=2.1-2.6), 0.9 (95%CI=0.8-1.0) and 1.7 (95%CI=1.5-1.8), respectively. Before treatment, no differences in mean HCV risk score or proportion of specific behaviours were found between the regimen groups. During treatment, MSM treated with DAAs had a higher average risk score and proportion of receptive condomless anal sex, sharing toys and unprotected fisting than those treated with IFN. After treatment, the proportion sharing straws were significantly higher in MSM treated with DAAs than IFN. Conclusions: MSM treated with DAAs, compared to IFN, had higher levels of HCV-related risk behaviour during treatment. The higher risk of HCV re-infection in the DAA-era underscores the need for ongoing HCV testing and behavioural interventions against HCV. Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.
Læs mere Tjek på PubMedBernard, Charlotte; Font, Hélène; Zotova, Natalia; Wools-Kaloustian, Kara; Goodrich, Suzanne; Kwobah, Edith Kamaru; Awoh, Ajeh Rogers; Nko'o Mbongo'o, Guy Calvin; Nsonde, Dominique Mahambu; Gandou, Paul; Minga, Albert; Tine, Judicaël Malick; Ndiaye, Ibrahima; Dabis, François; Seydi, Moussa; de Rekeneire, Nathalie; Yotebieng, Marcel; Jaquet, Antoine; on behalf of the IeDEA Cohort Collaboration
Journal of Acquired Immune Deficiency Syndromes, 27.10.2024
Tilføjet 27.10.2024
Background: Screening for depression remains a priority for people living with HIV (PLWH) accessing care. The nine-item Patient Health Questionnaire (PHQ-9) is a widely used depression screening tool, but has limited accuracy when applied across various cultural contexts. We aimed to evaluate the performance of alternative PHQ-9 scoring algorithms in sub-Saharan African PLWH. Setting: five HIV programs in Cameroon, Côte d’Ivoire, Kenya, Senegal and the Republic of Congo. Methods: Adult PLWH were screened for depression during the 2018–2022 period. Diagnosis confirmation was done by psychiatrist blinded clinical evaluation (gold standard). Diagnostic performances, including sensitivity, and area under the curve (AUC)) of the traditional PHQ-9 scoring (positive screening - score≥10) was compared to alternative scoring algorithms including: i) the presence of ≥1 mood symptom (PHQ-9 items 1&2) combined with ≥2 other symptoms listed in the PHQ-9, and ii) a simplified recoding of each 4-response item into two categories (absence/presence). Results: A total of 735 participants were included (54% female, median age 42 years [IQR 34-50]). Depression was diagnosed by a psychiatrist in 95(13%) participants. Alternative scoring sensitivities (0.59 to 0.74) were higher than that of the traditional score’s (0.39). Compared to traditional scoring, AUC were significantly higher for PHQ-9 alternative scoring. Across settings, alternative scoring algorithms increased sensitivity and reduced variability. Conclusion: As a primary screening test, new scoring algorithms appeared to improve the PHQ-9 sensitivity in identifying depression and reduce heterogeneity across settings. This alternative might be considered to identify PLWH in need of referral for further diagnostic evaluations. Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.
Læs mere Tjek på PubMedElda Righi, Massimo Mirandola, Alessandra Agnese Grossi, Murat Akova, Evelina Tacconelli, Anna Fratucello, Asma Nasim, Aleksandra Barac, Dafna Yahav
Clinical Microbiology and Infection, 27.10.2024
Tilføjet 27.10.2024
COVID-19 unravelled new ethical issues in the neglected field of infectious diseases ethics (IDE). We investigated IDE involvement among ID professionals.
Læs mere Tjek på PubMedJia, Y., Jiang, W., Xiao, X., Lou, Z., Tang, S., Chen, J., Long, Q.
BMJ Open, 27.10.2024
Tilføjet 27.10.2024
ObjectivesThis study aimed to examine patient delay, diagnosis delay and treatment performance among patients with tuberculosis (TB) in Shanghai, China in 2018–2020 focusing on disparities between migrant and local patients with TB. DesignMixed-method study. Setting and participantsQuantitative data were collected from the TB information management system in Shanghai; 17 533 bacteriologically confirmed and clinically diagnosed patients with pulmonary TB registered in 2018–2020 were included. Qualitative interviews were conducted with TB administrators (n=3) and community healthcare providers (two groups, n=10 in total) from Shanghai. Main outcome measuresPatient delay, diagnosis delay and treatment completion were examined by resident type using descriptive analysis and logistic regressions. Qualitative interviews were conducted to understand factors associated with the disparities. ResultsFrom 2018 to 2020, migrant patients with TB accounted for 44.40% of total cases. There was no significant difference in patient delay between migrant and local patients (18.47 days on average). 22.12% of migrants and 16.52% of locals experienced diagnosis delays exceeding 14 days, respectively. After adjusting for all variables, migrant patients (OR 1.30, 95% CI 1.18 to 1.44) and initial care seeking at general hospitals (OR 3.76, 95% CI 3.45 to 4.09) were associated with a higher probability of diagnosis delay. 93.9% of migrant patients and 89.4% of the local patients had a successful TB treatment without statistically significant difference after adjusting for all variables. Qualitative interviews revealed a standard approach to managing patients with TB in Shanghai no matter their resident type. Young migrant patients who were able to maintain their jobs in Shanghai often had better treatment adherence. Despite patients’ COVID-19 fear and limited care access in 2020, TB treatment minimally affected for both due to community-based case management. ConclusionsMigrant patients were more likely to experience diagnosis delay. It should improve awareness and knowledge of TB among healthcare professionals at general hospitals to mitigate the risk of diagnosis delay.
Læs mere Tjek på PubMedChanie, E. S., Feleke, D. G., Emiru, T. D., Abuhay, A. G., Hailemeskel, H. S., Baye, A. A., Bantie, B., Amare, A. T., Nega, T. D., Anley, D. T., Dessie, A. M., Asnakew, S., Moges, N., Kassahun, W. M., Diress, M. A., Asfaw, A. K., Ferede, D. A., Wondifraw, E. B., Jimma, M. S., GebreEyesus, F. A., Chanie, S. S.
BMJ Open, 27.10.2024
Tilføjet 27.10.2024
ObjectivesThe objective of this study is to examine the zonal-wide load undetectable state and predictors among children and adolescents living with HIV at South Gondar health institutions, 2023. DesignA retrospective cohort study. SettingSouth Gondar Health Institutions, Northwest, Ethiopia. ParticipantsWe recruited 430 children and adolescents living with HIV who had a follow-up at the antiretroviral therapy (ART) clinic at health institutions from 1 June 2016 to 30 April 2023. Outcome measuresThe primary outcome measure of this study was the viral load undetectable state estimation. Moreover, the study assessed the median time viral load undetectable state and its predictors by the Cox-proportional hazard model. Data were entered into Epi-data V.4.2 and exported to STATA V.17 statistical software for analysis. ResultsThe mean follow-up period was 8.5 (95% CI 8.1 to 8.9)±4.4 SD months, overall yielding 9151 person-month observations. At the end of the follow-up, 369 (85.8%, 95% CI 82.6% to 88.8%) of the children and adolescents achieved the viral load undetected state. Moreover, the overall median survival time to develop viral load undetectable state was found to be 6 months. The viral load undetected state in children and adolescents who have a cluster of differentiation 4 (CD4) count above the threshold level was 2.8 times higher than those in children and adolescents with a CD4 count lower than the threshold level (adjusted HR (AHR) 2.8 (95% CI 1.5, 5.3)). Likewise, the viral load undetected state in children and adolescents who have a good level of ART adherence was 2.0 times higher than those children and adolescents with a fair/poor level of ART adherence (AHR 2.0 (95% CI 1.1, 3.9)). Moreover, children and adolescents who had nutritional status ≥–2 Z score increased a viral load undetected state by 2.3 times as compared with children and adolescents with nutritional status
Læs mere Tjek på PubMedCox, S. M. L., Giorgi, W., Platteel, T. N., Cals, J. W. L., de Bont, E. G. P. M.
BMJ Open, 27.10.2024
Tilføjet 27.10.2024
ObjectivesUrinary tract infections (UTIs) are the most common reason for women to consult a general practitioner (GP). Current diagnostic tests are inadequate, complicating diagnosis and treatment decisions for GPs. To understand how this influences GPs in managing UTI, we aimed to determine GPs’ knowledge, attitudes, and practices around UTI care. DesignCross-sectional internet-based survey. SettingGeneral practice in the Netherlands between December 2021 and February 2022. ParticipantsWe distributed invitations to participate via email to 126 practices. Additionally, we distributed invitations via social media and newsletters. OutcomesThe survey included 15 questions covering GPs’ sociodemographic information, knowledge, attitudes and practices. Data analysis was based on frequencies and descriptive statistics. ResultsAmong the 190 eligible respondents, 172 (90.5%) chose dysuria and 140 (73.7%) chose urinary frequency as a symptom likely indicating UTI in healthy women. One in three GPs would diagnose a UTI based on non-specific complaints with positive leucocyte and erythrocyte tests, discordant with established guidelines. GPs indicated that better point-of-care diagnostics would help improve antibiotic prescribing (72.6%) and would conserve time (60.0%). GPs considered a positive test result the most important factor to prescribe antibiotics while patient expectation was considered least important. Half of GPs indicated that the most urgent need in UTI care is improved diagnostics. ConclusionGPs often act in discordance with established guidelines, rely on non-specific symptoms for the diagnosis of UTI and rank patient expectation as less important in comparison to symptom recognition and culture result when deciding on antibiotic treatment.
Læs mere Tjek på PubMedNiccodem, E. M., Majigo, M., Nyongole, O. V., Manyahi, J., Shangali, A., Mwingwa, A. G., Kunambi, P. P., Lyamuya, E., Joachim, A.
BMJ Open, 27.10.2024
Tilføjet 27.10.2024
ObjectivesThe objectives are to determine the prevalence of urinary tract infection (UTI) and associated factors among patients diagnosed with benign prostatic hyperplasia and prostate cancer. DesignHospital-based cross-sectional study. SettingsUrology clinic and urology ward at Muhimbili National Hospital, which is the main tertiary hospital in Tanzania’s largest city. ParticipantsPatients with benign prostate hyperplasia and prostate cancer presenting with genitourinary symptoms. Main outcome measureThe primary outcome was the occurrence of UTI and factors associated with UTI in patients with benign prostatic hyperplasia and prostate cancer. Results402 participants were enrolled, with a median age of 68 years and IQR of 61–75 years. The proportion of UTI was 46.5% (95% CI 41.56% to 51.53%). UTI was more prevalent among inpatients, patients with indwelling urinary catheters, patients with prostate size>80 cm3 and those with residual urine volume of >100 mL. In multivariate analysis, age>60 years (adjusted OR (aOR)=2.0, 95% CI 1.13 to 3.55, p=0.018), post-void residual urine volume>100 mL (aOR 1.32, 95% CI 0.67 to 2.59 p=0.001), patient with incomplete bladder emptying (aOR=2.57, 95% CI 1.44 to 4.59, p=0.001) and prolonged catheter duration (aOR=1.24, 95% CI 1.11 to 1.38, p=0.005) were significantly associated with UTI. ConclusionAlmost half of the patients with an enlarged prostate and genitourinary symptoms had a laboratory-confirmed UTI. The risk of UTI increases with age, incomplete bladder emptying and increased duration of catheterisation. A 1-day increase in the duration of catheterisation increased the risk of UTI by 24%.
Læs mere Tjek på PubMedLopez-Espinoza, T., Sacomori, C., Araya-Castro, P., Quintiliano-Scarpelli, D., Roldan, P., Pena-Espinoza, M., de Rezende, L. F., Lopez-Vidal, H.
BMJ Open, 27.10.2024
Tilføjet 27.10.2024
IntroductionOral mucositis is a highly prevalent condition in individuals treated for haematological neoplasms, primarily during haematopoietic stem cell transplantation (HSCT). The condition is known to delay recovery processes, increasing the risk of infection, the number of interventions and the length of hospital stays. The proposed Photobiomodulation Therapy for Oral Mucositis and Functional Impairment Transplantation Trial aims to assess the effectiveness and acceptability of using photobiomodulation in the oral cavity to prevent oral mucositis and functional impairment in adult patients undergoing HSCT. Methods and analysisThis is an assessor-blinded and statistician-blinded, parallel-group randomised controlled clinical trial (photobiomodulation vs control group). Participants and setting: 30 patients, aged 18–65 years, with haematological neoplasms undergoing HSCT at the Clínica Dávila Oncology and Bone Marrow Transplant Unit. Primary outcome measures: oral mucositis will be assessed daily using the WHO grading scale, beginning on the day of transplant through day 20 post-transplant. Researchers will assess functional capacity using a 2 min step test, handgrip strength with the Jamar digital dynamometer, lower limb strength using a 30’ sit-to-stand test and quality of life with the Functional Assessment of Cancer Therapy-Bone Marrow Transplantation Questionnaire. Acceptability will be assessed by logging treatment adherence and using a Visual Analogue Scale. Assessments will occur at two time points (1): on admission to the transplant unit, before starting the conditioning regimen and (2) on the day of discharge. Intervention: three times per week photobiomodulation therapy using a diode laser device will begin the first day of conditioning and continue through day 3 post-transplant. Ethics and disseminationThe Clínica Dávila and Universidad del Desarrollo Clinical Research Ethics Committees approved this study in accordance with the Helsinki Declaration. Patients’ informed consent will be required. The dissemination strategy includes publication in scientific journals as well as presentations in the media and at conferences. Trial registration numberNCT06260111.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background The extensively drug-resistant (XDR) strains of Acinetobacter baumannii have become a major cause of nosocomial infections, increasing morbidity and mortality worldwide. Many different treatments, including phage therapy, are attractive ways to overcome the challenges of antibiotic resistance. Methods This study investigates the biofilm formation ability of 30 XDR A. baumannii isolates and the efficacy of a cocktail of four tempetate bacteriophages (SA1, Eve, Ftm, and Gln) and different antibiotics (ampicillin/sulbactam, meropenem, and colistin) in inhibiting and degrading the biofilms of these strains. Results The majority (83.3%) of the strains exhibited strong biofilm formation. The bacteriophage cocktail showed varying degrees of effectiveness against A. baumannii biofilms, with higher concentrations generally leading to more significant inhibition and degradation rates. The antibiotics-bacteriophage cocktail combinations also enhanced the inhibition and degradation of biofilms. Conclusion The findings suggested that the bacteriophage cocktail is an effective tool in combating A. baumannii biofilms, with its efficacy depending on the concentration. Combining antibiotics with the bacteriophage cocktail improved the inhibition and removal of biofilms, indicating a promising strategy for managing A. baumannii infections. These results contribute to our understanding of biofilm dynamics and the potential of bacteriophage cocktails as a novel therapeutic approach to combat antibiotic-resistant bacteria.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background The extensively drug-resistant (XDR) strains of Acinetobacter baumannii have become a major cause of nosocomial infections, increasing morbidity and mortality worldwide. Many different treatments, including phage therapy, are attractive ways to overcome the challenges of antibiotic resistance. Methods This study investigates the biofilm formation ability of 30 XDR A. baumannii isolates and the efficacy of a cocktail of four tempetate bacteriophages (SA1, Eve, Ftm, and Gln) and different antibiotics (ampicillin/sulbactam, meropenem, and colistin) in inhibiting and degrading the biofilms of these strains. Results The majority (83.3%) of the strains exhibited strong biofilm formation. The bacteriophage cocktail showed varying degrees of effectiveness against A. baumannii biofilms, with higher concentrations generally leading to more significant inhibition and degradation rates. The antibiotics-bacteriophage cocktail combinations also enhanced the inhibition and degradation of biofilms. Conclusion The findings suggested that the bacteriophage cocktail is an effective tool in combating A. baumannii biofilms, with its efficacy depending on the concentration. Combining antibiotics with the bacteriophage cocktail improved the inhibition and removal of biofilms, indicating a promising strategy for managing A. baumannii infections. These results contribute to our understanding of biofilm dynamics and the potential of bacteriophage cocktails as a novel therapeutic approach to combat antibiotic-resistant bacteria.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Severe fever with thrombocytopenia syndrome (SFTS) is an emerging global infectious disease with a high mortality rate. Clinicians lack a convenient tool for early identification of critically ill SFTS patients. The aim of this study was to construct a simple and accurate nomogarm to predict the prognosis of SFTS patients. Methods We retrospectively analyzed the clinical data of 372 SFTS patients collected between May 2015 and June 2023, which were divided 7:3 into a training set and an internal validation set. We used LASSO regression to select predictor variables and multivariable logistic regression to identify independent predictor variables. Prognostic nomograms for SFTS were constructed based on these factors and analysed for concordance index, calibration curves and area under the curve (AUC) to determine the predictive accuracy and consistency of the model. Results In the training set, LASSO and multivariate logistic regression analyses showed that age, SFTSV RNA, maximum body temperature, pancreatitis, gastrointestinal bleeding, pulmonary fungal infection (PFI), BUN, and PT were independent risk factors for death in SFTS patients. There was a strong correlation between neurological symptoms and mortality (P
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Severe fever with thrombocytopenia syndrome (SFTS) is an emerging global infectious disease with a high mortality rate. Clinicians lack a convenient tool for early identification of critically ill SFTS patients. The aim of this study was to construct a simple and accurate nomogarm to predict the prognosis of SFTS patients. Methods We retrospectively analyzed the clinical data of 372 SFTS patients collected between May 2015 and June 2023, which were divided 7:3 into a training set and an internal validation set. We used LASSO regression to select predictor variables and multivariable logistic regression to identify independent predictor variables. Prognostic nomograms for SFTS were constructed based on these factors and analysed for concordance index, calibration curves and area under the curve (AUC) to determine the predictive accuracy and consistency of the model. Results In the training set, LASSO and multivariate logistic regression analyses showed that age, SFTSV RNA, maximum body temperature, pancreatitis, gastrointestinal bleeding, pulmonary fungal infection (PFI), BUN, and PT were independent risk factors for death in SFTS patients. There was a strong correlation between neurological symptoms and mortality (P
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background The emergence and persistence of multidrug-resistant (MDR) Salmonella Typhi (S. Typhi) infections is a significant global health problem. The carrier state of typhoid makes it prudent to conduct routine surveillance for both acute cases and carriers especially those caused by MDR S. Typhi. We report on the prevalence of MDR S. Typhi, resistance phenotypes and antimicrobial resistance genes detected in symptomatic and asymptomatic children living in informal settlements in Nairobi, Kenya. Methods 215 archived presumed S. Typhi isolates from stool samples provided by children ≤ 16 years collected from 2013 to 2018 were revived in May, 2022 and confirmed using culture and antisera serotyping. The Kirby Bauer disc diffusion technique was used to test the S. Typhi against 14 antibiotics. The MDR S. Typhi (resistant to ampicillin, chloramphenicol and sulfamethoxazole trimethoprim) which in addition were also resistant to either a cephalosporin or a fluoroquinolone were analyzed for Beta lactams and quinolone resistance genes using polymerase chain reaction. Results A total of 215 isolates were confirmed to be positively S. Typhi; of these, 105 (49%) and 110 (51%) were from symptomatic and asymptomatic children respectively. On average, S. Typhi resistance from asymptomatic and symptomatic children against 1st line drugs was observed at; 77% &70%, ampicillin; 60% & 64%, sulfamethoxazole-trimethoprim, and 45% & 54%, chloramphenicol respectively. Multi drug resistance was observed in 90 (42%) of the isolates, of these, 44 (49%) were isolated from symptomatic and 46 (51%) from asymptomatic children. Fifteen resistance phenotypes (p) were observed with, ampicillin/chloramphenicol/sulfamethoxazole-trimethoprim/nalidixic acid (amp/chl/sxt/na) as the most common among the symptomatic 43/90 (48%) and asymptomatic 55/90 (61%) children. The blaTEM−D, AMR genes were detected in 37/44 (84%) S. Typhi isolates, out of this 18 (49%) were from symptomatic while 19 (51%) were from asymptomatic children respectively. Conclusion The carriage of MDR S. Typhi among the asymptomatic children is concerning as they can act as potential transmitters of the typhoid disease to unsuspecting children. These study findings highlight the need for continued surveillance of antimicrobial resistance and mass immunization of children living in these urban informal areas.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background The emergence and persistence of multidrug-resistant (MDR) Salmonella Typhi (S. Typhi) infections is a significant global health problem. The carrier state of typhoid makes it prudent to conduct routine surveillance for both acute cases and carriers especially those caused by MDR S. Typhi. We report on the prevalence of MDR S. Typhi, resistance phenotypes and antimicrobial resistance genes detected in symptomatic and asymptomatic children living in informal settlements in Nairobi, Kenya. Methods 215 archived presumed S. Typhi isolates from stool samples provided by children ≤ 16 years collected from 2013 to 2018 were revived in May, 2022 and confirmed using culture and antisera serotyping. The Kirby Bauer disc diffusion technique was used to test the S. Typhi against 14 antibiotics. The MDR S. Typhi (resistant to ampicillin, chloramphenicol and sulfamethoxazole trimethoprim) which in addition were also resistant to either a cephalosporin or a fluoroquinolone were analyzed for Beta lactams and quinolone resistance genes using polymerase chain reaction. Results A total of 215 isolates were confirmed to be positively S. Typhi; of these, 105 (49%) and 110 (51%) were from symptomatic and asymptomatic children respectively. On average, S. Typhi resistance from asymptomatic and symptomatic children against 1st line drugs was observed at; 77% &70%, ampicillin; 60% & 64%, sulfamethoxazole-trimethoprim, and 45% & 54%, chloramphenicol respectively. Multi drug resistance was observed in 90 (42%) of the isolates, of these, 44 (49%) were isolated from symptomatic and 46 (51%) from asymptomatic children. Fifteen resistance phenotypes (p) were observed with, ampicillin/chloramphenicol/sulfamethoxazole-trimethoprim/nalidixic acid (amp/chl/sxt/na) as the most common among the symptomatic 43/90 (48%) and asymptomatic 55/90 (61%) children. The blaTEM−D, AMR genes were detected in 37/44 (84%) S. Typhi isolates, out of this 18 (49%) were from symptomatic while 19 (51%) were from asymptomatic children respectively. Conclusion The carriage of MDR S. Typhi among the asymptomatic children is concerning as they can act as potential transmitters of the typhoid disease to unsuspecting children. These study findings highlight the need for continued surveillance of antimicrobial resistance and mass immunization of children living in these urban informal areas.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Clinical data Chlamydia psittaci pneumonia is a community-acquired pneumonia caused by Chlamydia psittaci. While severe cases may lead to critical conditions such as respiratory failure, splenic infarction is relatively uncommon. A severe patient with Chlamydia psittaci pneumonia admitted to our hospital experienced a splenic infarction during treatment. Fortunately, the patient’s situation was improved after careful treatment. Now, the patient has been discharged. Further exploration of the mechanism of concurrent splenic infarction is required. Backgroud Psittacosis pneumonia, a zoonotic infectious disease transmitted from birds to humans, is caused by Chlamydia psittaci and represents a type of chlamydial pneumonia [1]. Insome instances, the disease may progress to severe pneumonia and respiratory failure, necessitating intensive support measures, including mechanical ventilation. The advent of technologies such as Metagenomic Next-Generation Sequencing (mNGS) for the etiological diagnosis of infectious diseases [2] has improved the diagnostic and treatment success rates for Psittacosis. Instances of severe chlamydial pneumonia with complications such as splenic infarction are uncommon. A patient with severe Psittacosis pneumonia complicated by splenic infarction was admitted to the Emergency Intensive Care Unit (EICU) of Haining People’s Hospital and subsequently improved following effective anti-infective and anticoagulant therapy. This report is provided herein.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Clinical data Chlamydia psittaci pneumonia is a community-acquired pneumonia caused by Chlamydia psittaci. While severe cases may lead to critical conditions such as respiratory failure, splenic infarction is relatively uncommon. A severe patient with Chlamydia psittaci pneumonia admitted to our hospital experienced a splenic infarction during treatment. Fortunately, the patient’s situation was improved after careful treatment. Now, the patient has been discharged. Further exploration of the mechanism of concurrent splenic infarction is required. Backgroud Psittacosis pneumonia, a zoonotic infectious disease transmitted from birds to humans, is caused by Chlamydia psittaci and represents a type of chlamydial pneumonia [1]. Insome instances, the disease may progress to severe pneumonia and respiratory failure, necessitating intensive support measures, including mechanical ventilation. The advent of technologies such as Metagenomic Next-Generation Sequencing (mNGS) for the etiological diagnosis of infectious diseases [2] has improved the diagnostic and treatment success rates for Psittacosis. Instances of severe chlamydial pneumonia with complications such as splenic infarction are uncommon. A patient with severe Psittacosis pneumonia complicated by splenic infarction was admitted to the Emergency Intensive Care Unit (EICU) of Haining People’s Hospital and subsequently improved following effective anti-infective and anticoagulant therapy. This report is provided herein.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Anemia is a common complication of HIV infected children and it is enabling HIV disease progression, and decreasing survival. In Ethiopia, there is limited evidence on the prevalence of anemia and its associated factors among HIV infected children particularly in the Awi Zone. Therefore, this study aimed to assess the magnitude and associated factors of anemia among HIV infected children on ART aged from 6 months to 15 year-old in ART Clinic, Awi-Zone, Ethiopia. Objective To assess the magnitude and associated factors of anemia among HIV infected children on antiretroviral therapy in Awi zone health facilities, Northwest, Ethiopia, 2022. Methods A facility based cross-sectional study design was conducted from October to December 2022. A simple random sampling method was used to select the study participants. Descriptive statistics, including frequencies and proportions was used to summarize the study variables and data had been entered in to Epi data 4.2 and exported to SPSS version 25. Bivariable logistic regression followed by multivariable logistic regression was performed. Degree of association between dependent and independent variables had been assessed using adjusted odds ratio with 95% CI at p value of ≤ 0.05. Result From 346 participants in the selected sample 339 (97.9%) of them responded. Prevalence of anemia was 13.3% (n = 45) among which, majority (44.4%) of them had mild anemia, while about (42.2%,) had moderate anemia and around 13.3%, of them were severely anemic. Baseline CD4 count (AOR = 6.58, 95% CI: 2.85–15.22), WHO clinical stage III or IV (AOR = 8.42, 95% CI = 3.47, 20.45), hookworm infection (AOR = 5.06, 95% CI = 2.04, 12) and malaria infection (AOR = 4.92, 95% CI (2.19–11.02) were significantly associated with anemia among children on HAART. Conclusion The prevalence of anemia among participants was relatively low in this study. However, a considerable proportion of participants had moderate to severe anemia. Lower CD4 count at enrolment, advanced HIV clinical stage, malaria and hookworm infection were significantly linked with anemia. Thus, it requires regular monitoring of anemia status in these patients for better clinical outcomes and quality of life improvements.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Anemia is a common complication of HIV infected children and it is enabling HIV disease progression, and decreasing survival. In Ethiopia, there is limited evidence on the prevalence of anemia and its associated factors among HIV infected children particularly in the Awi Zone. Therefore, this study aimed to assess the magnitude and associated factors of anemia among HIV infected children on ART aged from 6 months to 15 year-old in ART Clinic, Awi-Zone, Ethiopia. Objective To assess the magnitude and associated factors of anemia among HIV infected children on antiretroviral therapy in Awi zone health facilities, Northwest, Ethiopia, 2022. Methods A facility based cross-sectional study design was conducted from October to December 2022. A simple random sampling method was used to select the study participants. Descriptive statistics, including frequencies and proportions was used to summarize the study variables and data had been entered in to Epi data 4.2 and exported to SPSS version 25. Bivariable logistic regression followed by multivariable logistic regression was performed. Degree of association between dependent and independent variables had been assessed using adjusted odds ratio with 95% CI at p value of ≤ 0.05. Result From 346 participants in the selected sample 339 (97.9%) of them responded. Prevalence of anemia was 13.3% (n = 45) among which, majority (44.4%) of them had mild anemia, while about (42.2%,) had moderate anemia and around 13.3%, of them were severely anemic. Baseline CD4 count (AOR = 6.58, 95% CI: 2.85–15.22), WHO clinical stage III or IV (AOR = 8.42, 95% CI = 3.47, 20.45), hookworm infection (AOR = 5.06, 95% CI = 2.04, 12) and malaria infection (AOR = 4.92, 95% CI (2.19–11.02) were significantly associated with anemia among children on HAART. Conclusion The prevalence of anemia among participants was relatively low in this study. However, a considerable proportion of participants had moderate to severe anemia. Lower CD4 count at enrolment, advanced HIV clinical stage, malaria and hookworm infection were significantly linked with anemia. Thus, it requires regular monitoring of anemia status in these patients for better clinical outcomes and quality of life improvements.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Older people with HIV (PWH) are at risk of polypharmacy (taking multiple medications). Most medications may be necessary and indicated to manage HIV (e.g., antiretroviral therapy [ART]) and HIV-associated comorbidities. However, some are potentially inappropriate medications (PIMs), defined as causing greater harm than benefit, which leads to medication overload. The objective of this study was to characterize polypharmacy (taking multiple medications) and medication overload (prescription of ≥ 1 PIMs) among older PWH. Methods This retrospective study included older PWH (aged ≥ 50 years old) attending the tertiary care HIV clinic at the McGill University Health Centre (Montreal, Canada), from June 2022–June 2023. Patient characteristics, medications, and select laboratory values (e.g., CD4 count, hemoglobin A1C) were entered into the MedSafer software identifying PIMs and classifying them according to risk of adverse drug event. We measured the prevalence of polypharmacy (≥ 5 medications prescribed, both including and excluding ART) and medication overload (≥ 1 PIMs). Multivariable logistic regression identified factors associated with medication overload. Results The study included 100 patients, with a median age of 59 years (IQR = 54–63; range 50–82); 42% female. Polypharmacy affected 89% of patients when including antiretroviral therapy (ART) and 60% when excluding ART. Medication overload was present in 58% of patients, and 37.4% of identified PIMs were classified as high-risk. Polypharmacy was the sole predictor of medication overload. Conclusion Older PWH are at significant risk of medication overload and receiving higher risk PIMs. Deprescribing PIMs in this population could improve medication appropriateness while reducing the risk of ADEs.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Older people with HIV (PWH) are at risk of polypharmacy (taking multiple medications). Most medications may be necessary and indicated to manage HIV (e.g., antiretroviral therapy [ART]) and HIV-associated comorbidities. However, some are potentially inappropriate medications (PIMs), defined as causing greater harm than benefit, which leads to medication overload. The objective of this study was to characterize polypharmacy (taking multiple medications) and medication overload (prescription of ≥ 1 PIMs) among older PWH. Methods This retrospective study included older PWH (aged ≥ 50 years old) attending the tertiary care HIV clinic at the McGill University Health Centre (Montreal, Canada), from June 2022–June 2023. Patient characteristics, medications, and select laboratory values (e.g., CD4 count, hemoglobin A1C) were entered into the MedSafer software identifying PIMs and classifying them according to risk of adverse drug event. We measured the prevalence of polypharmacy (≥ 5 medications prescribed, both including and excluding ART) and medication overload (≥ 1 PIMs). Multivariable logistic regression identified factors associated with medication overload. Results The study included 100 patients, with a median age of 59 years (IQR = 54–63; range 50–82); 42% female. Polypharmacy affected 89% of patients when including antiretroviral therapy (ART) and 60% when excluding ART. Medication overload was present in 58% of patients, and 37.4% of identified PIMs were classified as high-risk. Polypharmacy was the sole predictor of medication overload. Conclusion Older PWH are at significant risk of medication overload and receiving higher risk PIMs. Deprescribing PIMs in this population could improve medication appropriateness while reducing the risk of ADEs.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Nasopharyngeal carriage of S. pneumoniae is a global health problem that has been associated with the emergence of severe disease and pathogen dissemination in the community. However, summary data on the carriage rate, antimicrobial susceptibility profile, and determinant factors is lacking. Method Articles were extensively searched in bibliographic databases and gray literature using entry terms or phrases. Studies meeting eligibility criteria were extracted in MS Excel and exported to STATA version 17 software for statistical analysis. A random-effects model was used to compute the pooled magnitude of the nasal carriage of S. pneumoniae and its multidrug resistance. The heterogeneity was quantified by using the I2 value. Publication bias was assessed using a funnel plot and Egger’s test. Sensitivity analysis was done to assess the impact of a single study on the pooled effect size. Result Of the 146 studies identified, 8 studies containing a total of 3223 children were selected for meta-analysis of the magnitude of the nasal carriage of S. pneumoniae and its multidrug resistance. The overall pooled prevalence of nasal carriage of S. pneumoniae and its MDR status in Ethiopian children was 32.77% (95%CI: 25.1, 40.44). and 31.22% (95%CI: 15.06, 46.84), respectively. The highest resistant pattern of S. pneumoniae was against tetracycline, which was 46.27% (95%CI: 37.75, 54.79), followed by 45.68% (95%CI: 34.43, 57.28) trimethoprim-sulfamethoxazole, while the least pooled prevalence was against chloramphenicol, which was 16.2% (95%CI: 9.44, 22.95). The pooled effect of age less than 5 years old (pooled OR = 1.97; 95% CI: 1.35, 2.88, P
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Nasopharyngeal carriage of S. pneumoniae is a global health problem that has been associated with the emergence of severe disease and pathogen dissemination in the community. However, summary data on the carriage rate, antimicrobial susceptibility profile, and determinant factors is lacking. Method Articles were extensively searched in bibliographic databases and gray literature using entry terms or phrases. Studies meeting eligibility criteria were extracted in MS Excel and exported to STATA version 17 software for statistical analysis. A random-effects model was used to compute the pooled magnitude of the nasal carriage of S. pneumoniae and its multidrug resistance. The heterogeneity was quantified by using the I2 value. Publication bias was assessed using a funnel plot and Egger’s test. Sensitivity analysis was done to assess the impact of a single study on the pooled effect size. Result Of the 146 studies identified, 8 studies containing a total of 3223 children were selected for meta-analysis of the magnitude of the nasal carriage of S. pneumoniae and its multidrug resistance. The overall pooled prevalence of nasal carriage of S. pneumoniae and its MDR status in Ethiopian children was 32.77% (95%CI: 25.1, 40.44). and 31.22% (95%CI: 15.06, 46.84), respectively. The highest resistant pattern of S. pneumoniae was against tetracycline, which was 46.27% (95%CI: 37.75, 54.79), followed by 45.68% (95%CI: 34.43, 57.28) trimethoprim-sulfamethoxazole, while the least pooled prevalence was against chloramphenicol, which was 16.2% (95%CI: 9.44, 22.95). The pooled effect of age less than 5 years old (pooled OR = 1.97; 95% CI: 1.35, 2.88, P
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Pneumocystis jirovecii pneumonia (PJP) is an opportunistic infection that primarily affects immunocompromised individuals. Typical symptoms of PJP include the subacute onset of dyspnea, nonproductive cough, and low-grade fever. In hematology patients, particularly those who are allogeneic stem cell transplant recipients, the disease often presents with a more aggressive clinical course. While hypercalcemia has been documented as a manifestation of PJP in some solid organ transplant recipients, it has not been reported in hematology or stem cell transplant patients. Case presentation Here, we present a case of PJP in a 56-year-old male allogeneic stem cell transplant recipient, who developed hypercalcemia and renal failure during the late post-transplant period. The patient had a history of allogeneic stem cell transplantation due to acute myeloid leukemia. He presented with symptoms of fatigue and weakness. Laboratory tests revealed hypercalcemia (13.8 mg/dL) and elevated serum creatinine levels (2.3 mg/dL). The patient was hospitalized, and despite initial treatment with hydration and furosemide, the hypercalcemia persisted, leading to the administration of denosumab. During follow-up, hypoxia was detected, and a chest CT scan revealed mosaic attenuation and ground-glass opacities. Bronchoscopy was performed, and PCR testing confirmed the presence of Pneumocystis jirovecii. Other causes of hypercalcemia were ruled out, with PTH measured at 13.8 pg/mL (normal range 15–65 pg/mL), albumin at 3.71 g/dL, 1.25-dihydroxy vitamin D3 at 96 ng/dL (normal range 26–95 ng/dL), and 25-hydroxy vitamin D at 32.5 ng/mL (normal range 20–40 ng/mL). A PET-CT scan demonstrated no pathological FDG uptake, with the exception of findings suggestive of a pulmonary infection. Following treatment with trimethoprim-sulfamethoxazole and denosumab, the patient’s hypercalcemia and infection resolved. Conclusions Although rare, PJP can present with hypercalcemia and kidney injury in allogeneic stem cell transplant recipients. Early diagnosis and treatment can improve both PJP and hypercalcemia.
Læs mere Tjek på PubMedBMC Infectious Diseases, 27.10.2024
Tilføjet 27.10.2024
Abstract Background Pneumocystis jirovecii pneumonia (PJP) is an opportunistic infection that primarily affects immunocompromised individuals. Typical symptoms of PJP include the subacute onset of dyspnea, nonproductive cough, and low-grade fever. In hematology patients, particularly those who are allogeneic stem cell transplant recipients, the disease often presents with a more aggressive clinical course. While hypercalcemia has been documented as a manifestation of PJP in some solid organ transplant recipients, it has not been reported in hematology or stem cell transplant patients. Case presentation Here, we present a case of PJP in a 56-year-old male allogeneic stem cell transplant recipient, who developed hypercalcemia and renal failure during the late post-transplant period. The patient had a history of allogeneic stem cell transplantation due to acute myeloid leukemia. He presented with symptoms of fatigue and weakness. Laboratory tests revealed hypercalcemia (13.8 mg/dL) and elevated serum creatinine levels (2.3 mg/dL). The patient was hospitalized, and despite initial treatment with hydration and furosemide, the hypercalcemia persisted, leading to the administration of denosumab. During follow-up, hypoxia was detected, and a chest CT scan revealed mosaic attenuation and ground-glass opacities. Bronchoscopy was performed, and PCR testing confirmed the presence of Pneumocystis jirovecii. Other causes of hypercalcemia were ruled out, with PTH measured at 13.8 pg/mL (normal range 15–65 pg/mL), albumin at 3.71 g/dL, 1.25-dihydroxy vitamin D3 at 96 ng/dL (normal range 26–95 ng/dL), and 25-hydroxy vitamin D at 32.5 ng/mL (normal range 20–40 ng/mL). A PET-CT scan demonstrated no pathological FDG uptake, with the exception of findings suggestive of a pulmonary infection. Following treatment with trimethoprim-sulfamethoxazole and denosumab, the patient’s hypercalcemia and infection resolved. Conclusions Although rare, PJP can present with hypercalcemia and kidney injury in allogeneic stem cell transplant recipients. Early diagnosis and treatment can improve both PJP and hypercalcemia.
Læs mere Tjek på PubMedMarinela Contreras, Isidro Sobrino, José de la Fuente
Trends in Parasitology, 27.10.2024
Tilføjet 27.10.2024
Tick vaccines are an environmentally friendly intervention for the prevention and control of tick-borne diseases affecting humans and animals worldwide. From our perspective, the challenges in tick vaccinology have encouraged the implementation of new interventions. In this opinion article we propose paratransgenic quantum vaccinology as a new approach that integrates platform trends in biotechnology, such as omics datasets combined with big data analytics, machine learning, and paratransgenesis with a systems biology perspective. This innovative approach allows the identification of protective epitopes in tick- and/or pathogen-derived proteins for the design of chimeric vaccine candidate antigens which can be produced by commensal/symbiotic microorganisms eliciting a protective response in the host.
Læs mere Tjek på PubMedFilipa Rijo-Ferreira, Chi-Min Ho, Alex Rosenberg
Trends in Parasitology, 27.10.2024
Tilføjet 27.10.2024
The fourth biennial Young Investigators in Parasitology Meeting (YIPs) was held on 14–15 September 2024 in Woods Hole, MA, USA. YIPs was founded to support early-career principal investigators (PIs) in parasitology, offering practical advice and fostering collaboration among researchers within their first five years of independence. The meeting addresses critical skill gaps in laboratory management and professional development for junior PIs, covering essential topics such as recruitment, budgeting, funding, mentoring, and navigating institutional politics.
Læs mere Tjek på PubMedMalaria Journal, 26.10.2024
Tilføjet 26.10.2024
Abstract Background In India, an increase in malaria cases by 21% (223,961 cases) has been reported between 2022 and 2023. Madhya Pradesh ranks 10th in malaria burden, with Mandla district selected for the Malaria Elimination Demonstration Project (MEDP) to demonstrate the feasibility of malaria elimination in a hard-to-reach, tribal-dominated, and hilly forested district. A Constant Contact Community-based Epidemiological Investigation (C3EI) was undertaken by continuous engagement with the community for real-time data collection, mapping of malaria cases, identification of risk factors, and monitoring of intervention outcomes designed to drive effective strategies for malaria elimination. Methods The study mapped 1,143,126 individuals from 248,825 households in the year 2017 in Mandla district for constant contact surveillance. Fortnightly household visits were conducted to inquire about febrile episodes, with on-spot diagnosis and treatment. Data collection was done using the SOCH mobile application, and analysis using R. Results The constant contact household surveillance revealed that out of 956,795 individuals, 230,780 (24.12%) unique individuals reported one or more febrile episodes, with a total of 322,577 febrile episodes and 490 malaria episodes (RDT positive). Males had a higher risk of malaria infection than females (OR = 2.62; p
Læs mere Tjek på PubMed