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[Percutaneous valvuloplasty using a balloon catheter in acquired mitral and aortic stenosis in adults]
Insights
Catheter balloon valvuloplasty effectively treats mitral stenosis and aortic stenosis, significantly increasing mitral valve area and showing lasting functional improvement with rare complications. This interventional cardiology technique offers a valuable alternative, even for high-risk patients.
Area of Science:
- Interventional Cardiology
- Cardiovascular Medicine
- Medical Devices
Context:
- Catheter balloon valvuloplasty emerged as a key interventional cardiology technique between 1984-1985.
- Mitral stenosis and aortic stenosis are significant cardiovascular conditions requiring effective treatment options.
Purpose:
- To evaluate the efficacy and safety of catheter balloon valvuloplasty for mitral and aortic stenosis.
- To assess the impact of valvuloplasty on valve area, patient function, and long-term outcomes.
Summary:
- Mitral valvuloplasty involves transseptal catheterization and balloon dilation, successfully doubling mitral valve area in 61 patients with minimal complications.
- Aortic valvuloplasty uses a retrograde arterial approach with progressively larger balloons to improve aortic valve function.
- The procedures demonstrated spectacular functional improvement, with no restenosis observed over two years, and satisfactory results in over 400 patients.
Impact:
- Catheter valvuloplasty provides a less invasive treatment option for valvular heart disease, particularly beneficial for patients with surgical contraindications.
- The technique shows excellent long-term efficacy, offering a durable solution for mitral and aortic stenosis.
- This approach has expanded the interventional cardiology armamentarium, improving patient outcomes and quality of life.
Abstract:
Since 1984 to 1985, catheter dilation of mitral stenosis and aortic stenosis has been added to the arsenal of interventional cardiology. In mitral valvuloplasty the left atrium is approached by transseptal catheterization. Dilation is normally performed by two balloon catheters of 20 mm diameter. One or two dilations of 20 sec duration are usually sufficient to open the mitral valve by cracking one or two fused commissures. In our series of 61 patients the mitral valve area had more than doubled (from 1.03 +/- 0.27 cm2 to 2.17 +/- 0.71 cm2). The most suitable subjects for the technique are young patients in sinus rhythm with relatively elastic valve leaflets, few calcifications, little distortion of the subvalvular apparatus and no major regurgitations. However, mitral valvuloplasty can also be tried in less favourable conditions where there are surgical contraindications, particularly in elderly patients. The complications of the technique are in fact rare. The functional improvement is spectacular and control studies over two years show no tendency to restenosis. --In aortic valvuloplasty a retrograde arterial approach is used. Balloon catheters of increasing size are consecutively employed, starting from 15-20 and even 23 mm diameter. Forceful dilation is needed not only to overcome leaflet fusion but also to compress the valvular structures against the aortic wall to render them more pliable and break the calcifications. --Since September 1985 over 400 patients have undergone valvuloplasty at Rouen with satisfactory overall results.(ABSTRACT TRUNCATED AT 250 WORDS)