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Immediate and late results of percutaneous mitral valve repair in patients with mitral stenosis
- Source :
- Arquivos Brasileiros de Cardiologia, Volume: 94, Issue: 3, Pages: 406-413, Published: MAR 2010, Arquivos Brasileiros de Cardiologia v.94 n.3 2010, Arquivos Brasileiros de Cardiologia, Sociedade Brasileira de Cardiologia (SBC), instacron:SBC
- Publication Year :
- 2010
- Publisher :
- FapUNIFESP (SciELO), 2010.
-
Abstract
- FUNDAMENTO: A análise dos resultados imediatos e a longo prazo da valvoplastia mitral por catéter-balão (VMCB) ainda são escassos na literatura, principalmente no contexto nacional. OBJETIVO: Avaliar os resultados imediatos e tardios dos pacientes submetidos à VMCB. MÉTODO: 330 pacientes consecutivos foram seguidos por 47 ± 36 meses (até 126 meses). Análises univariadas e multivariadas avaliaram os fatores relacionados ao sucesso do procedimento, à reestenose e aos eventos tardios (morte ou necessidade de nova intervenção na valva mitral). O método de Kaplan-Meier estimou a sobrevida livre de eventos. RESULTADOS: Houve sucesso do procedimento em 305 (92,4%). A anatomia valvar mitral foi o principal preditor de sucesso imediato do procedimento. Durante o seguimento, a reestenose ocorreu em 77 (23,3%) pacientes e esteve associada a menor área valvar mitral e maior calcificação antes do procedimento. Ocorreram 67 eventos em um tempo médio de seguimento de 38 ± 26 meses. A probabilidade de sobrevida livre de eventos foi de 95 % em 1 ano, 75% aos 5 anos e 61% aos 10 anos. Os preditores de sobrevida livre de eventos foram: idade, escore ecocardiográfico e resultado imediato do procedimento. CONCLUSÃO: A VMCB é um procedimento efetivo, sendo que mais de 60% dos pacientes estiveram livres de eventos ao final do seguimento. A condição anatômica da valva mitral e a idade do paciente foram os melhores preditores da sobrevida livre de eventos e devem ser levados em consideração na seleção dos pacientes para VMCB. BACKGROUND: The analysis of immediate and long-term results of mitral valvoplasty by balloon catheter (MVRBC) are still lacking in literature, mainly in the national context. OBJECTIVE: To assess the immediate and late results of patients submitted to mitral valve repair by balloon catheter. METHOD: A total of 330 consecutive patients were followed-up by 47 ± 36 months (up to 126 months). Univariate and multivariate analyses assessed the factors associated with the success of the procedure, restenosis and late events (death or necessity of new intervention on mitral valve). Kaplan-Meier method estimated survival without events. RESULTS: The procedure was successful in 305 cases (92.4%). The mitral valve anatomy was the main predictor for immediate success for the procedure. During the procedure, restenosis occurred in 77 (23.3%) patients and was associated with smaller mitral valve area and with larger calcification before the process. In a mean period of 38 ± 26-month follow-up, 67 events occurred. The probability of survival without events was of 95% in one year, 75% in five years and 61% in ten years. The predictors of survival without events were: age, echocardiography score and immediate result of the procedure. CONCLUSION: Mitral valve repair by balloon catheter is an effective procedure, as 60% patients did not present events after the follow-up. The anatomical condition of the mitral valve and the patient's age were the best predictors of survival without events, and should be taken into account when selecting patients for the mentioned procedure. (Arq Bras Cardiol 2010; 94(3):383-390)
- Subjects :
- Gynecology
estenose da valva mitral
medicine.medical_specialty
business.industry
Balloon dilatation
medicine.disease
Late results
outcome and process assessment (health care)
Surgery
Stenosis
avaliação de procesos e resultados (cuidados de saúde)
Medicine
In patient
mitral valve stenosis
Cardiology and Cardiovascular Medicine
business
Percutaneous Mitral Valve Repair
Dilatação com balão
Subjects
Details
- ISSN :
- 0066782X
- Volume :
- 94
- Database :
- OpenAIRE
- Journal :
- Arquivos Brasileiros de Cardiologia
- Accession number :
- edsair.doi.dedup.....06cf90bb1b72cdfb71be1dcd00b096d8