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Published on: August 8, 2022
Risk of incident mental disorders in hypertrophic cardiomyopathy: a nationwide propensity-matched study
Jun-Bean Park1,2, Je-Yeon Yun3,4, Bongsung Kim5
1Department of Internal Medicine, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, 03080 Seoul, Republic of Korea.
Insights
Patients with hypertrophic cardiomyopathy (HCM) have a significantly higher risk of developing mental disorders, especially within the first year after diagnosis. Early screening for conditions like mood and anxiety disorders is crucial for these individuals.
Area of Science:
- Cardiology
- Psychiatry
- Epidemiology
Background:
- Hypertrophic cardiomyopathy (HCM) is a complex cardiac condition.
- Mental health comorbidities are increasingly recognized in chronic diseases.
Purpose of the Study:
- To investigate the association between hypertrophic cardiomyopathy (HCM) and the subsequent risk of mental disorders.
- To quantify the risk and temporal patterns of mental disorder development in HCM patients.
Main Methods:
- Retrospective propensity score-matched cohort study.
- Utilized nationwide Korean National Health Insurance Service data.
- Followed 4046 HCM patients and 12138 matched controls for incident mental disorders.
Main Results:
- HCM patients exhibited a 1.72-fold increased risk of incident mental disorders (HR: 1.719).
- The risk was substantially elevated within the first month post-diagnosis (HR: 3.074), decreasing over time but remaining significant.
- Increased risk observed for mood, anxiety, stress-related, and somatoform disorders.
Conclusions:
- Hypertrophic cardiomyopathy is a significant risk factor for developing mental disorders.
- Prompt mental health screening is essential for HCM patients, particularly within the first year of diagnosis.
- Early identification and management of mood and anxiety disorders can improve patient outcomes.
Aims:
We sought to determine the risk of mental disorders in patients with hypertrophic cardiomyopathy (HCM) compared with those without HCM.
Methods And Results:
This is a retrospective propensity score-matched cohort study using nationwide population-based data from the Korean National Health Insurance Service. Overall, 4046 patients with HCM and 12138 matched individuals were followed up until the first diagnosis of mental disorders or the end of the follow up. The primary outcome was a composite of incident mood, anxiety, stress-related, or somatoform disorders. Secondary outcomes included two components of the primary outcome (i.e. mood disorders and anxiety/stress-related/somatoform disorders). During a median follow-up period of 4.1 years, the incidence rate of the primary outcome was 54.4 and 31.5/1000 person-years among the HCM and control groups, respectively, resulting in a hazard ratio (HR) of 1.719 (95% confidence interval: 1.589-1.860). Within the first month after HCM diagnosis, the HR for the primary outcome was 3.074 (2.096-4.508). Beyond 1 month, the HRs decreased, ranging from 2.281 (1.952-2.665) during 1-12 months, to 2.087 (1.831-2.380) during 12-36 months and 1.258 (1.090-1.452) after 36 months of follow up. Similar results were observed for the secondary outcomes. In sensitivity analysis, the risk of the specific categories of mental disorders, including single or recurrent depressive episodes and anxiety disorders, was also higher in patients with HCM than matched controls.
Conclusion:
HCM was significantly associated with the risk of incident mental disorders, particularly within 1 year after HCM diagnosis, underscoring the importance of screening mental health problems, including mood and anxiety disorders, in patients with HCM.
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