Statin Use is Associated with Reduced Risk of Recurrence in Patients with Venous Thromboembolism

Lauren K. Stewart, Elisa J. Sarmiento, Jeffrey A. Kline

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Background: Statin therapy appears to reduce incidence of venous thromboembolism in secondary analyses of non-venous thromboembolism trials, but no evidence has shown effect of statins in large population samples. The objective of this study was to examine the magnitude of the effect of statin therapy on venous thromboembolism recurrence across a large statewide population. Methods: This was a retrospective analysis of the Indiana Network for Patient Care database. All patients with an International Classification of Diseases-defined diagnosis of either deep vein thrombosis or pulmonary embolism from 2004-2017 were included. We collected Generic Product Identifier codes to determine whether patients had been prescribed a statin medication and divided patients into 2 groups: + or − statin. We then performed a propensity-matching analysis to balance covariates and created a final logistic regression model with statin use as the predictor variable and venous thromboembolism recurrence as the dependent variable. Results: This study included a total of 192,908 patients with documented statin use in 13.5%. Venous thromboembolism recurrence occurred in 16% of all patients over the study period. After propensity matching, patients not on a statin were found to have significantly higher rates of venous thromboembolism recurrence (20% vs 16%, P < .0001). Logistic regression yielded an odds ratio of 0.75 (95% confidence interval, 0.72-0.79) for venous thromboembolism recurrence for those on statin therapy. Conclusions: We found that a statin prescription reduced risk of venous thromboembolism recurrence by approximately 25% after adjusting for risk factors, supporting the adjunctive role of statins in the prevention of venous thromboembolism recurrence.

Original languageEnglish (US)
JournalAmerican Journal of Medicine
DOIs
StateAccepted/In press - Jan 1 2020

Keywords

  • Deep vein thrombosis
  • Pulmonary embolism
  • Recurrence
  • Statin
  • Venous thromboembolism

ASJC Scopus subject areas

  • Medicine(all)

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