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Medicina (Buenos Aires)

Print version ISSN 0025-7680On-line version ISSN 1669-9106


PIGRETTI, Santiago et al. Endocarditis infecciosa: ¿afectan su pronóstico las complicaciones neurológicas?. Medicina (B. Aires) [online]. 2017, vol.77, n.2, pp.89-94. ISSN 0025-7680.

Neurologic complications of infective endocarditis have been observed in 20-40% of cases. Our aim was to determine the frequency of neurologic involvement, clinical manifestations, lesional patterns and evolution in patients with infective endocarditis. This was a prospective cohort study. We included 98 patients with left-sided infective endocarditis. Forty seven percent presented neurologic involvement at some time of the disease. The frequency of symptoms was: focal deficit 61%, sensory disturbance 17% and seizures 2%, while 20% remain asymptomatic. The most prevailing lesion was cerebral ischemia (76%). Vegetations larger than 1 cm were associated to neurologic involvement (57% vs. 31%, p = 0.01). Valvular replacement was more common among patients with neurologic involvement (70% vs. 44%, p = 0.01). Hospital mortality was 20% in patients with neurologic manifestation versus 15% of those without it (p = 0.5). The length of stay was significantly prolonged in patients with neurologic affection (32 ± 27 vs. 21 ± 15 days, p = 0.01) and a favorable Rankin assessment at the discharge was less likely in patients with neurologic involvement (36% vs. 74%, p = 0.0001). In this cohort, the most frequent clinical manifestation was focal deficit and the most prevalent pattern of lesion was cerebral ischemia. Those with neurologic involvement presented an increased length of stay and more disability at the discharge but not statistical significant difference in hospital mortality.

Keywords : Disability evaluation; Infective endocarditis; Cerebral ischemia; Neurological manifestations; Mortality; Neuroimaging.

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