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Article Abstract
Introduction: Bacteremia caused by gram-positive cocci (GPC) remains challenging, particularly in assessing the risk of infective endocarditis (IE). Various scoring systems have been developed to guide the use of echocardiography. The HANDOC score was specifically designed for non-β-hemolytic streptococci (NBHS). This study aimed to validate the HANDOC score in a cohort across diverse geographic settings.
Methods: A retrospective study enrolled patients with NBHS bacteremia from 2017 to 2021 at two Spanish hospitals. Cases of IE were defined according to European Society of Cardiology 2015 modified Duke criteria. Patient characteristics were extracted from medical records for the analysis of HANDOC score validation in our cohort.
Results: Among 280 patients diagnosed with NBHS bacteremia, 31 met the modified Duke criteria for infective endocarditis (11.1%). Using a cutoff of ≥3, the HANDOC score demonstrated a sensitivity of 95%, specificity of 74% and a negative predictive value of 98%. The same metrics were analyzed with an adapted score based on positive blood culture vials, yielding similar results. Time to positivity (TTP) was analyzed with different cutoffs or by each NBHS group showing no statistically significant difference.
Conclusions: The HANDOC score is a valuable tool for decision-making in NBHS bacteriemia in a Spanish cohort. Scoring by vials may be employed for blood culture item in different clinical settings. Time-to-positivity did not show a significant difference that would justify its potential inclusion in the score.
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| http://dx.doi.org/10.1016/j.eimce.2024.12.015 | DOI Listing |
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