Abstract

Background and purposeMalnutrition is associated with poor outcomes in different diseases. Our aim was to investigate whether measures of malnutrition could be used to predict 90-day outcomes in patients with vertebrobasilar artery occlusion (VBAO) undergoing endovascular treatment (EVT). MethodsWe retrospectively analyzed patients with VBAO who received EVT at three comprehensive stroke centers. Malnutrition was assessed using the controlling nutritional status (CONUT) score, geriatric nutritional risk index (GNRI), and prognostic nutritional index (PNI). Primary outcome was good functional outcome defined as modified Rankin Scale (mRS) 0–3 measured at 90 days. ResultsA total of 285 patients were enrolled, of which 260 (91.22 %) met the requirements. According to the CONUT, GNRI, and PNI scores, the proportions of patients classified as moderately or severely malnourished were 7.3 %, 3.08 %, and 35 %, respectively. In the multivariate regression model after adjusting for potential confounders, malnutrition (severe risk versus normal nutritional status) was significantly associated with an increased risk of poor prognosis for CONUT scores (adjusted odds ratio [OR]14.91, 95 %CI, 1.69 - 131.71; P = 0.015), GNRI scores (adjusted [OR] 10.67, 1.17 - 96.93; P = 0.036) and PNI scores (adjusted [OR] 4.61, 2.28 - 9.31; P < 0.001). Similar results were obtained when malnutrition scores were analyzed as continuous variables. Adding the 3 malnutrition measures to the risk reclassification that included traditional risk factors significantly improved the predictive value of 3-month poor prognosis. ConclusionsOur study showed that malnutrition may be associated with poor prognosis within 3 months of EVT in patients with VBAO.

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