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Jornal Português de Gastrenterologia

versão impressa ISSN 0872-8178

J Port Gastrenterol. v.15 n.3 Lisboa jun. 2008

 

O Balão Intra-Gástrico no Tratamento da Obesidade: Avaliação da Sua Eficácia, Segurança e Tolerabilidade

M. Bispo1, M. J. Ferreira Da Silva1, T. Bana1, I. Seves1, G. Couto1, P. Peixe1, S. Duarte2, C. Gouveia2, L. Matos1

 

 

Resumo

Introdução:A OMS definiu como objectivo principal do tratamento da obesidade, uma redução de peso de 10 a 15%, para diminuição do risco cardiovascular global e comorbilidades associadas.

Objectivos: Caracterizar e analisar a eficácia a curto e longo-prazo, segurança e tolerabilidade do balão intra-gástrico (BIG) no tratamento da obesidade.

Métodos: Estudo retrospectivo do tratamento com 210 BIGs, em 194 doentes, entre Outubro/2000 e Junho/2007. A maioria dos doentes apresentava obesidade mórbida (IMC

médio 47,8Kg/m2), com comorbilidades significativas. O tempo médio de permanência do BIG foi 7 meses.

Resultados: No final do tratamento, constatou-se uma redução ponderal média de 12,9%. Obteve-se “sucesso clínico” (redução ponderal ≥10%), na maioria dos casos (60,5%). Em 2 grupos de 52 doentes hipertensos e 30 diabéticos, registou-se melhoria destas comorbilidades durante o tratamento em 61,5% e 66,7%, respectivamente. Não se registaram complicações significativas associadas ao BIG. Analisando a longo-prazo (12 meses após remoção) um coorte de 91 doentes, a redução média de peso foi 5,6%, sendo significativamente superior (>2 vezes) nos doentes com mais de 50 anos.

Conclusões: O BIG é seguro e apresenta uma taxa de sucesso clínico satisfatória a curto-prazo, com melhoria das principais comorbilidades. A longo-prazo, foi mais eficaz nas faixas etárias mais avançadas.

 

 

Summary

Background: The main goal proposed by the WHO in obesity treatment, in order to reduce cardiovascular risk and related comorbidities, is a 10-15% weight-loss.

Aims: To characterize and analyze short and long-term efficacy, safety and tolerability of BioEnterics® Intragastric Balloon (BIB) in obesity treatment.

Patients and Methods: Retrospective study on data of 210 BIB procedures in 194 patients, between October/2000 and June/2007. Most patients presented with morbid obesity (mean BMI 47,8Kg/m2) and heavy comorbidities. Average BIB stay was 7 months.

Results: On BIB removal, the mean weight-loss was 12,9%. “Clinical success” (weight-loss ≥10%) was achieved in most cases (60,5%). In two groups of 52 hypertensive and 30 diabetic patients, there was a 61,5% and 66,7% improvement in these comorbidities, respectively, during treatment. There were no major complications associated to BIB. On longterm analysis (12 month after BIB removal) of a 91 patients cohort, global weight-loss was 5,6%, being significantly higher (>2-fold) in patients over 50 years-old.

Conclusions: BIB is safe, shows satisfactory short-term cli nical success rate, with improvement in co-morbidities. On long-term, higher efficacy was seen in older patients.

 

 

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(1) Serviço de Gastrenterologia.

(2) Serviço de Endocrinologia.

Centro Hospitalar de Lisboa Ocidental, E.P.E. – Hospital de Egas Moniz, Lisboa, Portugal.

 

Correspondência:

Miguel Bispo

Serviço de Gastrenterologia

Centro Hospitalar de Lisboa Ocidental, E.P.E. – Hospital de Egas Moniz

Calçada do Moinho de Vento, nº 18, 3º A

1150-236 Lisboa

Tel.: (+351) 919 002 599

e-mail: bispomiguel@hotmail.com

 

Recebido para publicação: 10/12/2007

Aceite para publicação: 07/04/2008