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Clinical Infectious Diseases, 7.06.2024
Tilføjet 7.06.2024
Abstract Background Streptococci are a common cause of infective endocarditis (IE). We aimed to evaluate the performance of the HANDOC score to identify patients at high-risk for IE and the Duke clinical criteria of the European Society of Cardiology (ESC; 2015 and 2023 versions) and the 2023 version from the International Society of Cardiovascular Infectious Diseases (ISCVID) in diagnosing IE among patients with streptococcal bacteremia.Methods This retrospective study included adult patients with streptococcal bacteremia hospitalized at Lausanne University Hospital. Episodes were classified as IE by the Endocarditis Team. A HANDOC score >2 classified patients as high-risk for IE.Results Among 851 episodes with streptococcal bacteremia, IE was diagnosed in 171 episodes (20%). Among 607 episodes with non-beta-hemolytic streptococci, 213 (35%) had HANDOC scores >2 points; 132 (22%) had IE. The sensitivity of the HANDOC score to identify episodes at high-risk for IE was 95% (90-98%), the specificity 82% (78-85%), and the NPV 98% (96-99%). 2015 Duke-ESC, 2023 Duke-ISCVID, and 2023 Duke-ESC clinical criteria classified 114 (13%), 145 (17%), and 126 (15%) episodes as definite IE, respectively. Sensitivity for the 2015 Duke-ESC, 2023 Duke-ISCVID, and 2023 Duke-ESC clinical criteria was calculated at 65% (57-72%), 81% (74-86%), and 73% (65-79%), respectively, with specificity at 100% (98-100%), 99% (98-100%), and 99% (98-100%), respectively.Conclusions The HANDOC score showed an excellent NPV to identify episodes at high-risk for IE. Among the different versions of the Duke criteria, the 2023 Duke-ISCVID version fared better for the diagnosis of IE among streptococcal bacteremia.
Læs mere Tjek på PubMedClinical Infectious Diseases, 4.05.2024
Tilføjet 4.05.2024
Clinical Infectious Diseases, 4.05.2024
Tilføjet 4.05.2024
Clinical & Experimental Immunology, 2.05.2024
Tilføjet 2.05.2024
Abstract The COVID-19 pandemic highlighted the importance of effective vaccination strategies in controlling the spread of infectious diseases. SARS-CoV-2 vaccine has demonstrated high efficacy in preventing COVID-19 infection in the general population. However, the efficacy of this vaccine in patients with predominantly antibody deficiencies, such as common variable immunodeficiency (CVID) and X-linked agammaglobulinemia (XLA), should be closely monitored. CVID and XLA are rare genetic disorders that impair the immune system\'s ability to produce antibodies, which are crucial for fighting infections. Patients with these disorders have a higher risk of severe disease and mortality from COVID-19 due to their compromised immune systems. In this study, we evaluated the humoral and cellular immune responses after four doses of mRNA-1273 and one BNT162b2 bivalent vaccine in a cohort of patients with CVID and XLA. The response in this population was lower than in the control group. However, the administration of the third dose improved the number of patients with seroconversion and the intensity of the humoral response, as well as the number of patients with a positive cellular response. Finally, the administration of the fourth and fifth doses improves the antibody titer and neutralization against wild type variant, but not against the prevalent XBB1.5 variant.
Læs mere Tjek på PubMed