• Alanna M Chamberlain, Kristin S Vickers, Robert C Colligan, Susan A Weston, Teresa A Rummans, and Véronique L Roger.
• Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN 55905, USA.
• Mayo Clin. Proc. 2011 Nov 1; 86 (11): 105610621056-62.

ObjectiveTo determine the risk of hospitalization and death in relation to preexisting depression and anxiety among patients with cardiovascular disease (CVD).Patients And MethodsThe cohort consisted of 799 Olmsted County, MN, residents diagnosed with CVD (myocardial infarction or heart failure) from January 1, 1979, to December 31, 2009, who completed a Minnesota Multiphasic Personality Inventory (MMPI) prior to their event. The MMPI was used to identify depression and anxiety, and participants were followed up for hospitalizations and death during an average of 6.2 years.ResultsDepression and anxiety were identified in 282 (35%) and 210 (26%) participants, respectively. After adjustment, depression and anxiety were independently associated with a 28% (95% confidence interval [CI], 8%-51%) and 26% (95% CI, 3%-53%) increased risk of being hospitalized, respectively. Depression also conferred an increased risk of all-cause mortality of similar magnitude, whereas the hazard ratio for anxiety was not statistically significant. The combined occurrence of depression and anxiety led to a 35% (95% CI, 8%-71%) increase in the risk of hospitalizations.ConclusionAmong patients with CVD, both preexisting depression and anxiety, occurring on average 17 years before the CVD event, independently predict hospitalizations. In addition, the 2 conditions may act synergistically on increasing health care utilization in patients with CVD.

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