IntroductionDespite advances in treatment, infective endocarditis (IE) still ranks amongst the most lethal infectious diseases. We sought to determine prognostic factors in general hospitals in the Netherlands as research in this setting is scarce.ResultsBetween 2004 and 2011, we identified 216 cases of IE, 30.1 % of which were prosthetic valve IE. This leads to an annual incidence of IE of 5.7 new cases per 100,000 persons per year. Women were less likely to undergo surgical intervention (OR = 1.96, 95 % CI 1.06–3.61, p = 0.031). Also, ageing was an independent prognostic factor for not receiving surgery in a multivariate analysis (annual OR = 1.04, 95 % CI 1.02–1.06, p < 0.001). Female sex was a prognostic factor for mortality (OR = 2.35, 95 % CI 1.29–4.28, p = 0.005). Age was also an independent prognostic factor for mortality (OR = 1.05, 95% CI 1.03–1.08, p < 0.001). Conservative treatment was a prognostic factor for mortality (OR = 3.39, 95 % CI 1.80–6.38, p < 0.001) whereas surgical intervention was an independent prognostic factor for adverse events (OR = 3.03, 95% CI 1.64–5.55, p < 0.001). Staphylococcus aureus was an independent prognostic factor for adverse events (OR = 2.05, 95 % CI 1.10–3.84, p = 0.024) but not for mortality.ConclusionThis study shows that endocarditis in general hospitals has a high rate of morbidity and mortality. Even when treated, it ranks as one of the most lethal infectious diseases in the Netherlands, especially in women and the elderly.
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