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Published on: December 2, 2015
Depression as a predictor of hospitalization due to coronary heart disease
Jan Sundquist1, Xinjun Li, Sven-Erik Johansson
1Karolinska Institute, Center for Family and Community Medicine, Huddinge, Sweden. kristina.sundquist@klinvet.ki.se
Insights
Depression significantly increases the risk of developing coronary heart disease (CHD), particularly in younger adults. Early identification of depression is crucial for preventing heart disease in at-risk populations.
Area of Science:
- Cardiology
- Psychiatry
- Public Health
Background:
- Depression is linked to higher rates of coronary heart disease (CHD).
- Large-scale population data on CHD incidence in depressed individuals are limited.
- This study investigates depression as a predictor of CHD, controlling for socioeconomic status and region.
Purpose of the Study:
- To determine if depression predicts the incidence of coronary heart disease (CHD).
- To analyze this association in both men and women across different age groups.
- To control for socioeconomic status and geographic region in the analysis.
Main Methods:
- Utilized the family coronary heart disease database from the Karolinska Institute, Stockholm.
- Identified individuals aged 25-64 with depression and 25-79 with nonfatal CHD (1987-2001).
- Calculated standardized incidence ratios (SIRs) to compare CHD risk between depressed and non-depressed groups.
Main Results:
- 1767 cases of CHD occurred in individuals with depression.
- The highest CHD risk was observed in those under 40 (SIR=2.17).
- Risk decreased with age; no increased risk was found in those aged 70-79 with depression.
Conclusions:
- Depression is a significant risk factor for CHD, independent of socioeconomic status and region.
- The risk is most pronounced in younger to middle-aged adults (25-50).
- Healthcare providers should prioritize identifying depression in younger adults, especially those with other CHD risk factors.
Background:
Studies have shown that patients with depression have higher rates of coronary heart disease (CHD) than people in the general population. However, large-scale population-based data on incidence rates of CHD in people with depression are needed. This study analyzed whether hospitalization for depression predicts CHD in men and women after accounting for socioeconomic status and geographic region.
Methods:
Data from the family coronary heart disease database at the Karolinska Institute, Stockholm, were used to identify all people in Sweden aged 25 to 64 at onset of depression and aged 25 to 79 at onset of nonfatal CHD during the study period (1987 to 2001). Standardized incidence ratios (SIRs) of CHD among those with and without depression were compared. All analyses were conducted in 2005.
Results:
There were 1767 cases of CHD among those with depression during the study period. The risk of developing CHD was strongest for those aged <40; the SIR was 2.17 (95% confidence interval [CI]=1.50-3.03). The risk was attenuated with increasing age in both men and women. People aged 70 to 79 at onset of depression did not have an increased risk of CHD.
Conclusions:
Even after accounting for socioeconomic status and geographic region, depression is a clinically significant risk factor for developing CHD, especially in men and women aged 25 to 50. Primary healthcare teams should make particular efforts to identify young to middle-aged women and men who have depression, especially in combination with other CHD risk factors.
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