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Increased Framingham 10-year CVD risk in Chinese patients with schizophrenia
Yi Hang Tay1, Milawaty Nurjono2, Jimmy Lee3
1Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
Insights
Patients with schizophrenia have a significantly higher 10-year cardiovascular disease (CVD) risk and vascular age difference compared to controls. Smoking cessation and metabolic syndrome screening are crucial for reducing this excess CVD risk.
Area of Science:
- Cardiology
- Psychiatry
- Public Health
Background:
- Schizophrenia is linked to higher mortality, primarily due to increased cardiovascular disease (CVD).
- The Framingham Risk Score (FRS) estimates 10-year CVD risk and vascular age.
- Understanding CVD risk factors in schizophrenia is critical for preventative strategies.
Purpose of the Study:
- To assess the cardiovascular risk profile in Chinese patients with schizophrenia.
- To investigate the predictive role of metabolic syndrome (MetS) on CVD risk in this population.
- To test the hypothesis that schizophrenia patients have elevated 10-year CVD risk.
Main Methods:
- Recruited 83 Chinese schizophrenia patients and 243 community controls.
- Collected medical histories, smoking status, and anthropometric data.
- Measured fasting lipid and glucose levels; calculated 10-year CVD risk and vascular age difference (VAdiff) using FRS.
Main Results:
- Schizophrenia patients exhibited a higher mean 10-year CVD risk (4.6% vs. 3.1%) and VAdiff (4.6 years vs. 0.6 years) compared to controls.
- Both smoking and MetS significantly contributed to CVD risk in schizophrenia patients.
- Smoking had a more substantial impact on CVD risk than MetS.
Conclusions:
- Patients with schizophrenia demonstrate significantly elevated 10-year CVD risk and VAdiff.
- Smoking cessation interventions are vital for this patient group.
- Screening for metabolic syndrome is recommended to mitigate excess cardiovascular risk.
Unlabelled:
BACKGROUND & HYPOTHESIS: Schizophrenia is associated with increased mortality rates, which has been attributed to the greater incidence of cardiovascular disease (CVD) events. The Framingham risk score (FRS) is a widely-used age- and gender-specific algorithm to estimate 10-year CVD risk and vascular age. The main aim of this study was to determine the cardiovascular risk profile in schizophrenia and examine the effect of metabolic syndrome (MetS) as a predictor of CVD risk. We hypothesized that patients with schizophrenia have an increased 10-year CVD risk.
Methods:
83 Chinese patients with schizophrenia and 243 Chinese community controls were recruited. Their medical and smoking histories were obtained, and anthropometric parameters measured. All subjects provided fasted venous blood samples for lipid and glucose measurements. 10-year CVD risk and the difference between vascular and actual age (VAdiff) for each participant were computed using the FRS and compared between patients and controls.
Results:
Schizophrenia patients had a higher mean 10-year CVD risk of 4.6%, as compared with 3.1% in controls, and a greater VAdiff of 4.6 years vs. 0.6 years. Both smoking and MetS contributed significantly to the 10-year CVD risk in patients with schizophrenia, with smoking having a greater effect than MetS on this risk.
Conclusion:
This study found a significantly elevated mean 10-year CVD risk and VAdiff in patients with schizophrenia compared with controls. Findings point towards the importance of smoking cessation and screening for MetS to decrease the excess CVD risk in patients with schizophrenia.
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