PMID: 6538585May 1, 1984Paper

Septal myomectomy and mitral valve replacement for idiopathic hypertrophic subaortic stenosis: short- and long-term follow-up

Journal of the American College of Cardiology
S FighaliR D Leachman

Abstract

The long-term results of septal myotomy-myomectomy or mitral valve replacement, or both, were assessed in 36 patients with idiopathic hypertrophic subaortic stenosis who were followed up for 5 to 67 months (mean 48) postoperatively. The mean left ventricular outflow tract gradient at rest decreased postoperatively in all three patient groups. It decreased from 60 mm Hg (range 17 to 160) preoperatively to 3 mm Hg (range 0 to 20) postoperatively (p less than 0.001) in the 13 patients who underwent mitral valve replacement alone, from 69 mm Hg (range 18 to 140) to 35 mm Hg (range 20 to 50) (p less than 0.05) in the 12 patients who underwent myotomy-myomectomy alone and from 89 mm Hg (range 60 to 165) to 3.8 mm Hg (range 0 to 27) (p less than 0.001) in the 11 patients who underwent myomectomy plus mitral valve replacement. The reduction in gradient was more impressive after mitral valve replacement with or without septal myotomy-myomectomy than after septal myotomy-myomectomy alone. There was a marked reduction in symptoms after all three surgical procedures that was long-lasting and independent of the type of operation performed. There was no operative mortality. Postoperative annual mortality rate was 1.6%. Patients with severe c...Continue Reading

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Citations

Feb 24, 2001·The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyōbu Geka Gakkai Zasshi·M NinomiyaK Ueno
Jun 1, 1989·Journal of the American College of Cardiology·I L SiegmanR E Clark
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Jun 3, 2017·Interactive Cardiovascular and Thoracic Surgery·Alexander Bogachev-ProkophievAlexander Karaskov

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