Gastrointestinal Bowel Obstruction in Acute Ischemic Stroke: Incidence, Risk Factors, and Outcomes in a U.S. Nationwide Analysis of 3,998,667 Hospitalizations

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association
Kavelin RumallaManoj K Mittal

Abstract

The prognosis from acute ischemic stroke (AIS) is worsened by poststroke medical complications. The incidence, risk factors, and outcomes of gastrointestinal bowel obstruction (GIBO) in AIS are not known. We queried the Nationwide Inpatient Sample (2002-2011) to identify all patients with a primary diagnosis of AIS and subsets with and without a secondary diagnosis of GIBO without hernia. Multivariable analysis was utilized to identify risk factors for GIBO in AIS patients and the association between GIBO, in-hospital complications, and outcomes. We identified 16,987 patients with GIBO (.43%) among 3,988,667 AIS hospitalizations and 4.2% of these patients underwent surgery. In multivariable analysis, patients with 75+ years of age were two times as likely to suffer GIBO compared to younger patients (P < .0001). African Americans were 42% more likely to have GIBO compared to Whites (P < .0001). Stroke patients with pre-existing comorbidities (coagulopathy, cancer, blood loss anemia, and fluid/electrolyte disorder) were more likely to experience GIBO (all P < .0001). AIS patients with GIBO were 184% and 39% times more likely to face moderate-to-severe disability and in-hospital death, respectively (P < .0001). GIBO occurrence inc...Continue Reading

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