What question did this study set out to answer?

To examine the effects of low body mass index (BMI) on outcomes after ischemic stroke.

January 26, 2026

Impact of low body mass index on stroke outcomes: A propensity-matched analysis.

Key Points

To examine the effects of low body mass index (BMI) on outcomes after ischemic stroke.
Conducted a propensity-matched analysis.
Compared outcomes of underweight patients to those with ideal BMI.
Assessed functional recovery, pneumonia risk, and survival rates.
Underweight patients experienced worse functional outcomes post-stroke.
Increased risk of pneumonia was noted in underweight individuals.
Survival rates were lower among those with low BMI compared to ideal BMI patients.

Abstract

Underweight status is associated with poorer functional outcomes, increased pneumonia risk, and reduced survival following ischemic stroke compared to patients with ideal BMI. These findings support the consideration of nutritional status in post-stroke care planning and risk stratification.

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