ArticleJournal of cardiovascular development and disease2025
Neurological Complications in Surgical Patients with Left-Sided Infective Endocarditis: Risk Factors, Prognosis, and Surgical Timing.
Article in Journal of cardiovascular development and disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe aim of this study was to explore the baseline characteristics, risk factors, and prognosis of surgical patients with left-sided valvular infective endocarditis (IE) complicated by preoperative neurological complications, as well as the impact of complication subtypes and surgical timing on outcomes.
methodsA retrospective analysis of 605 consecutive surgical patients with left-sided valvular IE (May 2012-June 2024) was performed. Patients were stratified into neurological complication and non-complication groups, with 1:1 propensity score matching (PSM) balancing baseline confounders. Six neurological complication subtypes were defined; surgical timing was categorized as early (≤7 days for infarction, ≤30 days for hemorrhage) or delayed. Logistic/Cox regression analyzed risk factors and prognosis; subgroup analyses compared modified Rankin Scale (mRS) scores, and Kaplan-Meier curves evaluated long-term survival.
resultsMitral valve involvement, highly mobile vegetations, and longer IE symptom-to-surgery time were risk factors for neurological complications. After PSM balancing, the neurological complications group had similar in-hospital, long-term mortality to the control group, but a significantly higher new-onset cerebral complication rate. In total, 81.5% of complication patients achieving mRS ≤ 2 (good functional status) with infarction showed improved postoperative mRS scores. Cerebral hemorrhage was an independent predictor of in-hospital mortality, while cerebral hemorrhage and regional infarction were independent predictors of new-onset cerebral complication. Early surgery in infarction patients increased the neurological complication rate.
conclusionNeurological complication incidence was 27.8%. Mitral valve involvement, high vegetation mobility, and preoperative emboli were risk factors. Except for preoperative cerebral hemorrhage and regional infarction, which increase the risk of in-hospital mortality, neurological complications overall do not affect short-term and long-term mortality rates, but increase the risk of postoperative neurological deterioration. Individualized surgical timing is recommended.
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