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  • Title: [Percutaneous aortic valvuloplasty. Long-term outcome apropos of 85 patients with successful dilatation].
    Author: Grossetête R, Le Ménager H, Paris D, Bar O, Leurent B, Crochet D.
    Journal: Arch Mal Coeur Vaiss; 1992 Mar; 85(3):327-32. PubMed ID: 1575610.
    Abstract:
    The outcome at 2, 6, 12, 18 and 24 months in terms of clinical status and Doppler echocardiographic parameters of 85 patients successfully dilated out of 116 patients undergoing percutaneous aortic valvuloplasty is reported. The objectives were to determine the survival rate, degree of clinical remission, the restenosis rate and its predictive factors. The 31 patients considered to be primary failures were excluded from the study. The global survival rates were 90 +/- 2% at 2 months, 84 +/- 4% at 6 months, 78 +/- 5% at 12 months, 69 +/- 6% at 18 months and 60 +/- 8% at 2 years. Patients in clinical remission and with clinical relapse were compared at the 6th month: relapse was significantly, related to prevalvuloplathy, low cardiac output (p = 0.05), low ejection fraction (p less than 0.03) and low fractional shortening (p less than 0.01), but the clinical relapse was independent of aortic valve surface area before and dilatation. In the relapse group, 14 patients (12%) were operated without complications in the first month of follow up, 6 patients underwent repeat valvuloplasty with 4 immediate failures and 2 improvements. The other patients were treated medically. The restenosis rate (loss of greater than 50% of initial gain in surface area or return of pre-valvuloplasty maximal pressure gradient +/- 25%) increased up to the 12th month in both groups (remission and relapse) and reached 78% at 12 +/- 3 months and seemed more pronounced in the less severe aortic stenosis. The incidence of restenosis was independent of gain in surface area after valvuloplasty.(ABSTRACT TRUNCATED AT 250 WORDS)
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