Brazilian Journal of Anesthesiology
https://app.periodikos.com.br/journal/rba/article/doi/10.1590/S0034-70942011000200006
Brazilian Journal of Anesthesiology
Scientific Article

Impacto da manobra de recrutamento alveolar no pós-operatório de cirurgia bariátrica videolaparoscópica

Impact of alveolar recruitment maneuver in the postoperative period of videolaparoscopic bariatric surgery

Paula Patelli Juliani Remístico; Sebastião Araújo; Luciana Castilho de Figueiredo; Esperidião Elias Aquim; Larissa Mottim Gomes; Morgana Lima Sombrio; Sabrina Donatti Ferreira Ambiel

http://dx.doi.org/10.1590/S0034-70942011000200006 Braz J Anesthesiol, vol.61, n2, p.169-176, 2011
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Resumo

JUSTIFICATIVA E OBJETIVOS: Complicações pulmonares em cirurgias bariátricas são frequentes, e, por isso, manobras de recrutamento alveolar (MRA) têm sido utilizadas para preveni-las ou reduzi-las no pós-operatório (PO) imediato. O objetivo do estudo foi avaliar o impacto da MRA executada no intraoperatório de pacientes submetidos à cirurgia bariátrica por videolaparoscopia na incidência de complicações pulmonares no pós-operatório. MÉTODO: Ensaio clínico aleatório com 30 pacientes alocados em Grupo Controle (GC) e Grupo Experimental (GE), sendo analisadas variáveis espirométricas, ventilatórias, hemodinâmicas e radiográficas. A MRA foi realizada no GE com pressão positiva expiratória final de 30 cmH2O e pressão de platô inspiratória de 45 cmH2O por 2 minutos após a desinsuflação do pneumoperitôneo. RESULTADOS: Observaram-se queda significativa nos valores espirométricos (p < 0,001) e maior incidência de complicações pulmonares na radiografia torácica (p = 0,02) no GC, bem como melhora significativa da escala de BORG dispneia (p < 0,001) no GE. CONCLUSÕES: Concluiu-se que a MRA é uma técnica segura e eficaz quando utilizada para a prevenção de complicações pulmonares em pacientes submetidos à cirurgia bariátrica, resultando em achados espirométricos e radiológicos mais favoráveis no Grupo Experimental em relação ao Grupo Controle no PO.

Palavras-chave

CIRURGIA, COMPLICAÇÕES, VENTILAÇÃO

Abstract

BACKGROUND AND OBJECTIVES: Pulmonary complications in bariatric surgery are common and, therefore, alveolar recruitment maneuvers (ARM) have been used to prevent or reduce them in the postoperative period (POP). The aim of this study was to evaluate the impact of ARM performed intraoperatively in patients undergoing bariatric surgery by videolaparoscopy in the incidence of postoperative pulmonary complications. METHODS: Randomized clinical trial with 30 patients divided into control group (CG) and experimental group (EG), with analysis of spirometric, ventilatory, hemodynamic, and radiographic variables. ARM was performed in EG with positive end expiratory pressure of 30 cmH2O and inspiratory plateau pressure of 45 cmH2O for 2 minutes after pneumoperitoneum deflation. RESULTS: We observed a significant decrease in spirometric values (p < 0.001) and higher incidence of pulmonary complications on chest radiograph (p = 0.02) in CG, as well as significant improvement in dyspnoea Borg scale (p < 0.001) in EG. CONCLUSIONS: We conclude that ARM is a safe and effective technique when used for prevention of pulmonary complications in patients undergoing bariatric surgery, resulting in more favorable radiological and spirometric findings in the experimental group compared to the control group in the PO.

Keywords

Positive Pressure Respiration, Postoperative Complications, Pulmonary Atelectasis, Laparoscopy, Bariatric Surgery

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