Association of optimal combination drug treatment with obesity status among recent ischemic stroke patients: Results of the vitamin intervention for stroke prevention (VISP) trial

Jong Ho Park, Juneyoung Lee, Bruce Ovbiagele

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Background and Purpose One explanation for the ‘obesity paradox’, where obese patients seem to have better cardiovascular outcomes than lean patients, is that obese patients display an identifiable high cardiovascular risk phenotype that may lead to receiving or seeking earlier/more aggressive treatment. Methods We analyzed a clinical trial dataset comprising 3643 recent (<120 days) ischemic stroke patients followed up for 2 years. Subjects were categorized as lean (body mass index [BMI], <25 kg/m2, n=1,006), overweight (25-29.9 kg/m2, n=1,493), or obese (≥30 kg/m2, n=1,144). Subjects were classified as level 0 to III depending on the number of secondary prevention prescriptions divided by the number of potentially indicated drugs (0=none of the indicated medications and III=all indicated medications as optimal combination drug treatment [OCT]). Independent associations between each BMI category and stroke/myocardial infarction/vascular death (major vascular events [MVEs]) and all-cause death were assessed. Results MVEs occurred in 17.4% of lean, 16.1% of overweight, and 17.1% of obese patients; death occurred in 7.3%, 5.5%, and 5.1%, respectively. Individuals with a higher BMI status received more OCT (45.8%, 51.7%, and 55.3%, respectively; P<0.001). In the lean patient group, multivariable adjusted Cox analyses, showed that compared with levels 0-I, level II and level III were linked to lower risk of MVEs (hazard ratio [HR] 0.55; 95% confidence interval [CI]: 0.32–0.95 and HR 0.48; 95% CI: 0.28−0.83, respectively) and death (0.44; 0.21–0.96 and 0.23; 0.10−0.54, respectively). Conclusions OCT for secondary prevention after an ischemic stroke is less frequent in lean (vs. obese) subjects, but when implemented is related to significantly better clinical outcomes.

Original languageEnglish
Pages (from-to)213-221
Number of pages9
JournalJournal of Stroke
Volume19
Issue number2
DOIs
Publication statusPublished - 2017 Jan 1

Keywords

  • Body mass index
  • Death
  • Obesity
  • Secondary prevention
  • Stroke
  • Vascular events

ASJC Scopus subject areas

  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine

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