Long-term risk of myocardial infarction and stroke in bipolar i disorder: A population-based Cohort Study

Miguel L. Prieto, Louis A. Schenck, Jennifer L. Kruse, James P. Klaas, Alanna M. Chamberlain, William V. Bobo, Frank Bellivier, Marion Leboyer, Véronique L. Roger, Robert D. Brown, Walter A. Rocca, Mark A. Frye*

*Autor correspondiente de este trabajo

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

12 Citas (Scopus)

Resumen

Objectives To estimate the risk of fatal and non-fatal myocardial infarction (MI) and stroke in patients with bipolar I disorder compared to people without bipolar I disorder. Method Utilizing a records-linkage system spanning 30 years (1966-1996), a population-based cohort of 334 subjects with bipolar I disorder and 334 age and sex-matched referents from Olmsted County, Minnesota, U.S. was identified. Longitudinal follow-up continued until incident MI or stroke (confirmed by board-certified cardiologist/neurologist), death, or study end date (December 31, 2013). Cox proportional hazards models assessed the hazard ratio (HR) for MI or stroke, adjusting for potential confounders. Results There was an increased risk of fatal or non-fatal MI or stroke (as a composite outcome) in patients with bipolar I disorder [HR 1.54, 95% confidence interval (CI) 1.02, 2.33; p=0.04]. However, after adjusting for baseline cardiovascular risk factors (alcoholism, hypertension, diabetes, and smoking), the risk was no longer significantly increased (HR 1.19, 95% CI 0.76, 1.86; p=0.46). Limitations Small sample size for the study design. Findings were not retained after adjustment for cardiovascular disease risk factors. Psychotropic medication use during the follow-up was not ascertained and was not included in the analyses. Conclusion This study in a geographically defined region in the U.S. demonstrated a significant increased risk of MI or stroke in bipolar I disorder, which was no longer significant after adjustment for cardiovascular risk factors.
Idioma originalInglés
Páginas (desde-hasta)120-127
Número de páginas8
PublicaciónJournal of Affective Disorders
Volumen194
DOI
EstadoPublicada - 1 abr 2016

Nota bibliográfica

Publisher Copyright:
© 2016 Published by Elsevier B.V.

Palabras clave

  • Bipolar disorder
  • Cardiovascular diseases
  • Cohort studies
  • Risk

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