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  • Title: [Should closed-heart mitral commissurotomies still be performed? Apropos of 168 operations, 108 open-heart and 60 closed-heart].
    Author: Enriquez-Sarano M, Louvard Y, Darmon D, Tarcha W, Acar J.
    Journal: Arch Mal Coeur Vaiss; 1984 Jul; 77(7):782-90. PubMed ID: 6433841.
    Abstract:
    Mitral commissurotomy is known to give good results but the best surgical technique (open heart or closed heart) remains uncertain. Results of open heart commissurotomy (OC), 108 patients (Group I) and closed heart commissurotomy (CC), 60 patients (Group II) were compared. The population comprised 81% females and the average age was 39 +/- 12 years. Only cases of pure or very predominant mitral stenosis (MS) were included. The preoperative state of the patients in Group I was poorer than the one in Group II (repeat commissurotomy 8.3% compared to 1.7%, p less than 0.04; associated mitral regurgitation 41% compared to 27%, p less than 0.04; cardiothoracic ratio 0.54 +/- 0.07 compared to 0.51 +/- 0.06, p less than 0.01). A more complete surgical cure was possible in Group I. Both commissures were liberated in 99% of OC compared to 25% CC (p less than 0.001). Mitral valvuloplasty was associated in 87% of OC (63 cases on the papillary muscles, 21 cases on the chordae tendinae and 60 cases on the mitral annulus). Operative mortality was low and did not differ significantly between the two groups (zero in CC; 1.8% in OC). Overall survival rates were excellent (95% 5 year survival, 85% 7 year survival). The reoperation rate at 5 years was 7.4% and at 7 years, 23.9%, and did not differ with the surgical technique used. The functional result was good (patients in Class I or II of the NYHA classification 84% at 5 years; 75% at 7 years; identical for both groups). Significant late valvular "dysfunction" was rare after OC.(ABSTRACT TRUNCATED AT 250 WORDS)
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