Male Sex Associated with Increased Long-term Cardiovascular Mortality after Peripheral Vascular Surgery for
J W Budtz-Lilly1, C N Petersen2, T F Pedersen1
1Department of Cardiothoracic and Vascular Surgery, Aarhus University Hospital, Aarhus, Denmark.
Insights
Men face higher risks of death and cardiovascular events after peripheral artery disease surgery compared to women. This study analyzed long-term outcomes in over 11,000 patients undergoing vascular procedures.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Public Health
Background:
- Peripheral atherosclerosis presents distinct cardiovascular risks and consequences for men and women.
- Limited data exist on long-term outcomes and the impact of prophylactic treatments in this population.
- Understanding sex-based differences in outcomes post-vascular surgery is crucial for risk stratification and management.
Purpose of the Study:
- To investigate sex-specific long-term outcomes following primary peripheral vascular surgery.
- To evaluate the influence of medical prophylactic treatment on these outcomes, adjusted for multiple variables.
- To compare the incidence of major adverse cardiovascular events between male and female patients.
Main Methods:
- Analysis of Danish patients undergoing peripheral vascular surgery between 2000-2007.
- Stratification into five distinct procedural groups based on surgical intervention.
- Sex-based comparison of outcomes including myocardial infarction, stroke, and mortality, individually and combined.
Main Results:
- A cohort of 11,234 patients (6,289 males, 4,945 females) was analyzed.
- Men exhibited a higher adjusted hazard ratio for death (1.11) and myocardial infarction (1.16) compared to women.
- No significant difference was observed in stroke risk (0.99), but men had a higher risk of any major adverse cardiovascular event (1.10).
Conclusions:
- Men demonstrate a significantly higher risk of mortality and adverse cardiovascular events post-peripheral artery disease surgery.
- These disparities persist despite considering disease indication, severity, and medical treatment.
- The findings underscore the importance of sex-specific considerations in managing patients undergoing vascular surgery for peripheral arterial disease.
Background:
The cardiovascular burden and consequences of peripheral atherosclerosis appear to differ between men and women. Data regarding long-term outcomes, including the impact of medical prophylactic treatment, are insufficient. This study examined long-term outcomes according to sex following primary vascular surgery, adjusted for multiple variables as well as recommended medical prophylaxis.
Methods:
All Danish patients who underwent peripheral vascular surgery from January 2000 to December 2007 were stratified into five procedural groups: (a) aorto-iliac bypass or thromboendarterectomy, (b) femoro-femoral crossover, (c) thromboendarterectomy of the femoral arteries, (d) infrainguinal bypass, or (e) axillo- uni-, and bifemoral bypass. Data were analyzed according to sex for differences in myocardial infarction, stroke, and death, individually and combined, after surgery.
Results:
A total of 11,234 patients were included: 6,289 males and 4,945 females. The overall adjusted hazard ratio for male patients compared with female patients for death was 1.11 (95% CI 1.06-1.17), for MI was 1.16 (95% CI 1.04-1.29), for stroke was 0.99 (95% CI 0.89-1.11), and for any major adverse cardiovascular event was 1.10 (95% CI 1.05-1.16).
Conclusions:
These findings show that, despite indication, severity, and concomitant medical treatment of peripheral artery disease, men have a higher risk of mortality and adverse cardiovascular events following surgery for peripheral arterial disease.
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