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Repeat balloon aortic valvuloplasty for aortic valve restenosis
T C Ross1, A K Banks, T J Collins
1Cardiology Service, Department of Medicine, Walter Reed Army Medical Center, Washington, DC 20307-5001.
Catheterization and Cardiovascular Diagnosis
|October 1, 1989
Summary
Repeat balloon aortic valvuloplasty (BAV) for restenosis may be less effective than the initial procedure. Patients undergoing repeat BAV showed a trend toward poorer outcomes and had a 50% mortality rate at six months.
Area of Science:
- Cardiology
- Interventional Cardiology
- Valvular Heart Disease
Background:
- Balloon aortic valvuloplasty (BAV) is a treatment for aortic stenosis.
- Restenosis is a significant limitation to the long-term effectiveness of BAV.
Purpose of the Study:
- To evaluate the efficacy and outcomes of repeat BAV in patients who developed restenosis after an initial BAV procedure.
Main Methods:
- Six patients with restenosis after initial BAV underwent repeat BAV, often with larger balloons.
- Outcomes were assessed by comparing valve areas and evaluating patient survival at six months.
Main Results:
- Repeat BAV showed a trend toward less satisfactory results compared to the initial procedure (0.98 +/- .26 cm2 vs. 1.2 +/- .26 cm2), though not statistically significant (P = .14).
- The 6-month mortality rate for patients undergoing repeat BAV was 50%.
Conclusions:
- Repeat BAV may be less efficacious than the original BAV procedure.
- The high mortality rate suggests caution and further investigation into repeat BAV for restenosis is warranted.