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Short-lasting hemodynamic and clinical benefits from percutaneous balloon valvuloplasty for calcific aortic stenosis
R Chioin1, A Ramondo, F Chirillo
1Servizio di Emodinamica-Cattedra di Cardiologia, University of Padua, Italy.
Insights
Percutaneous aortic balloon valvuloplasty offers temporary relief for calcific aortic stenosis but often leads to restenosis. This procedure is best suited for inoperable patients needing immediate hemodynamic stabilization.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Background:
- Calcific aortic stenosis is a common valvular heart disease in the elderly.
- Surgical aortic valve replacement is the standard treatment, but many patients are inoperable.
- Percutaneous aortic balloon valvuloplasty (PABV) is an alternative palliative treatment.
Purpose of the Study:
- To evaluate the short- and mid-term outcomes of PABV in elderly patients with calcific aortic stenosis.
- To assess the durability of hemodynamic and symptomatic improvements after PABV.
- To determine the rate of restenosis following PABV.
Main Methods:
- Prospective follow-up of 40 consecutive elderly patients who underwent PABV.
- Clinical assessments and echo-Doppler examinations were performed.
- Restenosis was defined as a loss of ≥50% of the initial increase in aortic valve area.
Main Results:
- PABV provided significant but short-lived improvements in hemodynamics and symptoms.
- A high rate of restenosis was observed, defined as a loss of 50% or more of the initial aortic valve area gain.
- The benefits of PABV diminished significantly over the short to mid-term follow-up period.
Conclusions:
- PABV offers temporary hemodynamic and symptomatic benefits in calcific aortic stenosis.
- Restenosis is a frequent complication, limiting the long-term efficacy of PABV.
- PABV should be reserved for inoperable patients or as a bridge to surgery, particularly in hemodynamically unstable individuals.
Abstract:
In order to evaluate the short- and mid-term results of percutaneous aortic balloon valvuloplasty, 40 consecutive elderly patients, who had undergone balloon valvuloplasty for calcific aortic stenosis, were prospectively followed up by means of clinical and echo-Doppler examinations. Although valvuloplasty often dramatically improves hemodynamics and relieves symptoms, these benefits seem to be short-lived in most cases. Restenosis, defined as a loss of 50% or more of the increase in aortic valve area obtained by the dilatation, has a very high rate of occurrence. Aortic balloon valvuloplasty should therefore be reserved for truly inoperable cases and can be performed in hemodynamically unstable patients, who may later undergo surgery.