Is being an elderly woman a risk factor for worse outcomes after percutaneous coronary intervention? A large cohort
Zhan Gao1, Jin-Qing Yuan2, Bo Xu1
1State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China.
Insights
Elderly females (>75) experienced higher cardiac death rates after percutaneous coronary intervention (PCI). However, being an elderly female was not an independent risk factor for worse PCI outcomes compared to elderly males.
Area of Science:
- Cardiology
- Geriatrics
- Interventional Cardiology
Background:
- The impact of combined advanced age and female sex on outcomes after percutaneous coronary intervention (PCI) remains unclear.
- Understanding specific risk factors is crucial for optimizing patient care and improving outcomes in cardiovascular interventions.
Purpose of the Study:
- To determine if elderly females (>75 years) represent a distinct risk group for adverse outcomes following PCI.
- To compare the 3-year cardiac death and cardiac death/myocardial infarction (MI) rates between elderly females and other demographic groups undergoing PCI.
Main Methods:
- Analysis of a large cohort of 29,211 consecutive patients who underwent PCI.
- Utilized Kaplan-Meier survival estimates to assess 3-year cardiac death rates.
- Employed Cox proportional hazard models to identify significant risk factors for adverse outcomes.
Main Results:
- Elderly females showed a significantly higher 3-year rate of cardiac death compared to other groups (P < .05).
- Being an elderly female was a significant risk factor for cardiac death and cardiac death/MI when compared to young females or young males.
- However, elderly female status was not a significant independent risk factor for worse PCI outcomes when compared to elderly males.
Conclusions:
- While elderly females exhibit worse outcomes post-PCI, their demographic status alone is not an independent predictor of adverse events when compared to elderly males.
- Further research may be needed to elucidate the specific factors contributing to poorer outcomes in this population.
- Clinical management strategies should consider age and sex but also individual patient factors for periprocedural risk assessment.
Abstract:
It has remained undefined whether the combination of being elderly (ie, >75 years old) and female is a risk factor for worse outcomes after percutaneous coronary intervention (PCI). A total of 29 211 consecutive patients who underwent PCI were analyzed. Kaplan-Meier estimated 3-year rate of cardiac death was significantly higher in elderly females in comparison with all other groups (P < .05). Using Cox proportional hazard models, being an elderly female was a significant risk factor for cardiac death and cardiac death/MI in comparison with being a young female, OR (95% CI): 2.53 (1.15-5.59), 2.26 (1.27-4.03), or young male, OR (95% CI): 2.22 (1.26-3.91), 2.25 (1.44-3.51); however, it was not a significant risk factor in comparison with being elderly male, OR (95% CI): 1.30 (0.97-1.71), 1.21(0.94-1.55). Elderly females had worse outcomes after PCI therapy than other gender and age groups, but being an elderly female was not an independent risk factor for worse PCI outcomes.
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