title: Percutaneous mitral valvotomy in patients eighteen years old and younger. Immediate and late results.
abstract: OBJECTIVE - To analyze immediate and late results of percutaneous mitral valvotomy (PMV) in patients < or = 18 year. METHODS - Between August '87 and July '97, 48 procedures were performed on 40 patients. The mean age was 15.6 years; 68.7% were females four of whom were pregnant. RESULTS - Success was obtained in 91.7% of the procedures. Immediate complications were severe mitral regurgitation (6.3%) and cardiac tamponade (2.0%). Late follow-up was obtained in 88.8% of the patients (mean value=43.2+/-33.9 months). NYHA functional class (FC) I or II was observed in 96.2% of the patients and restenosis developed in five patients, at a mean follow-up of 29.7+/-11.9 months. Three patients presented with severe mitral insufficiency and underwent surgery. Two patients died. CONCLUSION - PMV represents a valid therapeutic option in young patients. In these patients, maybe because of subclinical rheumatic activity, restenosis may have a higher incidence and occur at an earlier stage than in others persons.
authors.affiliation: Instituto Dante Pazzanese de Cardiologia, São Paulo, SP, 04012-180, Brazil.
authors.forename: C
authors.initials: C
authors.lastname: Mattos
authors.forename: S L
authors.initials: SL
authors.lastname: Braga
authors.forename: C A
authors.initials: CA
authors.lastname: Esteves
authors.forename: J M
authors.initials: JM
authors.lastname: Branco
authors.forename: N L
authors.initials: NL
authors.lastname: Gomes
authors.forename: M
authors.initials: M
authors.lastname: Maldonado
authors.forename: V F
authors.initials: VF
authors.lastname: Fontes
mesh_terms: D000293:Adolescent; D021721:Balloon Occlusion; D002404:Catheterization; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008946:Mitral Valve Stenosis / Q000209:etiology / Q000628:therapy*; D011247:Pregnancy; D012214:Rheumatic Heart Disease / Q000150:complications; D012720:Severity of Illness Index; D016896:Treatment Outcome