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Risk factors for in-hospital mortality associated with coronary angioplasty
C Simpfendorfer1, K Dorosti, I Franco
1Department of Cardiology, Cleveland Clinic Foundation, Ohio 44195.
Insights
Higher mortality in percutaneous transluminal coronary angioplasty (PTCA) is linked to female patients, older age, and critical conditions like cardiogenic shock. Emergency PTCA and complications such as acute vessel closure also contribute to adverse outcomes.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Clinical Research
Background:
- Percutaneous transluminal coronary angioplasty (PTCA) is a common procedure for coronary artery disease.
- Understanding factors contributing to in-hospital mortality after PTCA is crucial for improving patient outcomes.
- A significant number of deaths occur within hospitals following PTCA procedures.
Purpose of the Study:
- To review the clinical, angiographic, and procedural factors associated with in-hospital deaths among patients undergoing PTCA.
- To identify patient characteristics and procedural complications that predict mortality.
- To inform strategies for risk reduction in high-risk PTCA patients.
Main Methods:
- Retrospective review of 5,000 consecutive PTCA procedures.
- Analysis of clinical data, angiographic findings, and procedural details for 40 in-hospital deaths.
- Comparison of demographic and clinical profiles between the mortality group and the overall PTCA cohort.
Main Results:
- The mortality group (40 deaths) showed a higher proportion of women, older age, and more extensive coronary disease compared to the total group.
- Emergency PTCA was performed in 21 of the deceased patients, many presenting with acute myocardial infarction or unstable angina.
- Critical pre-procedural conditions were common, including cardiogenic shock (18 patients) and cardiopulmonary resuscitation (5 patients).
- Among elective PTCA deaths, acute vessel closure/dissection (7 patients) and failed saphenous vein graft dilatation (4 patients) were key complications.
Conclusions:
- PTCA mortality is associated with specific patient demographics and pre-existing conditions.
- Emergency procedures and critical patient status significantly increase the risk of death.
- Procedural complications like acute vessel closure and graft failure are important causes of mortality, particularly in elective cases.
Abstract:
The clinical, angiographic, and procedural findings in 40 in-hospital deaths among 5,000 consecutive percutaneous transluminal coronary angioplasties were reviewed. Compared to the total group, the mortality group had a higher proportion of women, older age, and more extensive coronary disease. Angioplasty was performed as an emergency procedure in 21 of the 40 patients who died. Eighteen presented with an evolving acute myocardial infarction and 17 with unstable angina. Most patients presented in critical condition prior to angioplasty: 18 patients were in cardiogenic shock and 5 patients were on cardiopulmonary resuscitation. Among 13 patients who died following elective angioplasty, the salient feature was acute vessel closure or dissection in 7 patients and failed dilatation of a saphenous vein graft in 4 patients.