Surgical treatment of gastroesophageal reflux disease: total or partial fundoplication? Systematic review and meta-analysis

  • Ramos R
  • Lustosa S
  • Almeida C
  • et al.
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Abstract

CONTEXT: Although the high incidence of gastroesophageal reflux disease (GERD) in the population, there is much controversy in this topic, especially in the surgical treatment. The decision to use of a total or partial fundoplication in the treatment of GERD is still a challenge to many surgeons because the few evidence found in the literature. OBJECTIVE: To bring more clear evidence in the comparison between total and partial fundoplication. DATA SOURCES: A systematic review of the literature and metaanalysis with randomized controlled trials accessed from MEDLINE, LILACS, Cochrane Controlled Trials Database was done. The outcomes remarked were: dysphagia, inability to belch, bloating, recurrence of acid reflux, heartburn and esophagitis. For data analysis the odds ratio was used with corresponding 95% confidence interval. Statistical heterogeneity in the results of the metaanalysis was assessed by calculating a test of heterogeneity. The software Review Manager 5 (Cochrane Collaboration) was utilized for the data gathered and the statistical analysis. Sensitive analysis was applied using only trials that included follow-up over 2 years. RESULTS: Ten trials were included with 1003 patients: 502 to total fundoplication group and 501 to partial fundoplication group. The outcomes dysphagia and inability to belch had statistical significant difference (P = 0.00001) in favor of partial fundoplication. There was not statistical difference in outcomes related with treatment failure. There were no heterogeneity in the outcomes dysphagia and recurrence of the acid reflux. CONCLUSION: The partial fundoplication has lower incidence of obstructive side effects.CONTEXTO: Apesar da alta incidência da doença do refluxo gastroesofágico (DRGE) na população em geral, ainda existe muita controvérsia sobre este assunto, especialmente quanto ao tratamento cirúrgico. A decisão de usar fundoplicatura total ou parcial no tratamento da DRGE ainda é um desafio para muitos cirurgiões devido à pouca evidência disponível na literatura. OBJETIVO: Comparar a fundoplicatura total e as fundoplicaturas parciais no tratamento da DRGE, avaliando a eficácia das duas técnicas operatórias. MÉTODO: Foram utilizadas a revisão sistemática da literatura e metanálise de estudos prospectivos e randomizados. Fontes de informação utilizadas: LILACS, MEDLINE, Cochrane Controlled Clinical Trials Database. A metanálise foi realizada utilizando-se o programa de informática da Colaboração Cochrane (Review Manager 5.0.1) e o cálculo dos desfechos foi feito pela razão de chances, com respectivo intervalo de confiança de 95%. Os desfechos estudados foram: disfagia, dificuldade em eructar, plenitude gástrica, recurrência do refluxo ácido, pirose e esofagite. Análise de subgrupo: estudos com seguimento maior que 2 anos. RESULTADOS: Foram selecionados 10 ensaios clínicos, onde 1003 doentes foram estudados, sendo 502 alocados para o grupo fundoplicatura total e 501 locados para o grupo fundoplicatura parcial. Os desfechos contínuos não puderam ser calculados em razão da falta de dados. Somente os desfechos disfagia e dificuldade em eructar tiveram resultados estatisticamente significantes (P<0.0001) a favor da fundoplicatura parcial. CONCLUSÃO: A fundoplicatura parcial está relacionada com a menor incidência de eventos obstrutivos pós-operatórios.

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Ramos, R. F., Lustosa, S. A. S., Almeida, C. A. P. de, Silva, C. P. da, & Matos, D. (2011). Surgical treatment of gastroesophageal reflux disease: total or partial fundoplication? Systematic review and meta-analysis. Arquivos de Gastroenterologia, 48(4), 252–260. https://doi.org/10.1590/s0004-28032011000400007

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