Association of statin therapy with clinical outcomes in patients with vasospastic angina: Data from Korean health insurance review and assessment service

So Jin Park, Hyejeong Park, Danbee Kang, Taek Kyu Park, Jinkyeong Park, Joongbum Cho, Chi Ryang Chung, Kyeongman Jeon, Eliseo Guallar, Juhee Cho, Gee Young Suh, Jeong Hoon Yang

Research output: Contribution to journalArticlepeer-review

Abstract

There is conflicting evidence for the clinical benefit of statin therapy in patients with vasospastic angina (VSA). We investigated the association of statin therapy with clinical outcomes in relatively large populations with clinically suspected VSA from a nationwide population-based database. Data were collected from the Health Insurance Review and Assessment database records of 4,099 patients that were in an intensive care unit with VSA between January 1, 2008 and May 31, 2015. We divided the patients into a statin group (n = 1,795) and a non-statin group (n = 2,304). The primary outcome was a composite of cardiac arrest and acute myocardial infarction (AMI). The median follow-up duration was 3.8 years (interquartile range: 2.2 to 5.8 years). Cardiac arrest or AMI occurred in 120 patients (5.2%) in the statin group, and 97 patients (5.4%) in the non-statin group (P = 0.976). With inverse probability of treatment weighting, there was no significant difference in the rate of cardiac arrest or AMI between the two groups (adjusted hazard ratio [HR], 0.99; 95% confidence interval [CI], 0.76–1.30; P = 0.937), or even between the non-statin group and high-intensity statin group (adjusted HR, 1.08; 95% CI, 0.69–1.70; P = 0.75). The beneficial association of statin use with the primary outcome was consistently lacking across the various comorbidity types. Statin therapy was not associated with reduced cardiac arrest or AMI in patients with VSA, regardless of statin intensity. Prospective, randomized trials will be needed to confirm our findings.

Original languageEnglish (US)
Article numbere0210498
JournalPloS one
Volume14
Issue number1
DOIs
StatePublished - Jan 2019

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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