Achievement of Guideline-Recommended Weight Loss Among Patients With Ischemic Stroke and Obesity
Abstract
Background and Purpose- The proportion of patients with acute ischemic stroke or transient ischemic attack (TIA) and obesity who successfully achieve goals for weight reduction recommended by major professional organizations is unknown. Methods- We examined the experience of participants in the placebo group of the IRIS trial (Insulin Resistance Intervention after Stroke) with a body mass index ≥30 kg/m2 at entry. Patients were of age ≥40 years, with a qualifying stroke or TIA within 180 days of randomization and documented insulin resistance without diabetes mellitus. Weights at baseline and at years 1 and 2 after entry were analyzed to determine the proportion of patients achieving a 5% weight loss and achievement of body mass index <27 kg/m2. Results- Of 1937 subjects assigned to placebo, 855 (44%) had obesity at entry. Median age of these 855 subjects was 60 years (interquartile range, 53-68), 41% were women, and median time from stroke/TIA to trial entry was 79 days. Among 788 subjects in the trial at 1 year, 166 (21%) had lost at least 5% of their starting weight and 12 (2%) had achieved a body mass index <27 kg/m2. One hundred nine (14%) participants gained at least 5% of their baseline weight at 1 year. Among 744 subjec...Continue Reading
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