Surgery changes prognosis in infective endocarditis: The importance of post-surgical clinical evolution.

Eur J Intern Med · 2018

retrospective_cohort · Level III

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Abstract

BACKGROUND: Left-sided infective endocarditis (LSIE) bears a grim prognosis and surgery is needed in more than half of the patients to improve survival. Our hypothesis has been that clinical complications developing after surgery impact prognosis. METHODS: Among 1075 consecutive episodes of LSIE, 654 (60.7%) underwent cardiac surgery. Of them, 41 patients (6.3%) died the same day of surgery, 112 (17.2%) died after the first day of surgery during hospital stay and 500 (76.5%) were successfully discharged. We compared the last two groups and performed a multivariable analysis of in-hospital mortality. RESULTS: Age (OR 1.02, 95% CI 1.01-1.04), periannular complications (OR 1.9, 95% CI 1.2-3.2) renal failure after surgery (OR 2.4, 95% CI 1.3-4.4) but not before surgery, and septic shock after surgery (OR 9.6, 95% CI 5.4-17.1) but not before surgery are predictive of in-hospital death among LSIE patients who underwent cardiac surgery. CONCLUSION: A thorough clinical assessment with prognostic purposes in infective endocarditis after surgery is mandatory. In-hospital mortality of patients with infective endocarditis who undergo surgery depends mainly on the clinical evolution after surgery.