Brazilian Journal of Anesthesiology
Brazilian Journal of Anesthesiology
Scientific Article

Effect of acupuncture on the prevention of nausea and vomiting after laparoscopic cholecystectomy: a randomized clinical trial

Efeitos da acupuntura para a prevenc¸ão de náuseas e vômitos após colecistectomia laparoscópica: estudo clínico randomizado

Luiz Eduardo Miranda, Luiz de França Maia e Silva Filho, Ana Carolina Brainer de Siqueira, Ana Clara Miranda, Bianca Rodrigues Castelo Branco Rocha, Ian Victor Paiva de Lima, Victor Soares Gomes da Silva, Diego Laurentino de Lima, Holmes Naspollini

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Background and objectives: Postoperative nausea and vomiting (PONV) is a common and undesirable complication observed after laparoscopic cholecystectomy (LC). We investigated the effects of auriculoacupuncture (AA) on the prevention of postoperative nausea and vomiting in the immediate postoperative period of uncomplicated laparoscopic cholecystectomy. Methods: Sixty-eight patients were randomly divided into two groups, auriculoacupuncture (n = 35) and control (n = 33) and then they were evaluated prospectively. The needle was placed before anaesthesia induction and remained for 20 min. Nausea intensity was evaluated using an analogic visual scale and PONV events were registered immediately after anaesthesia care unit admission and in the second, fourth and sixth hours after the surgery. Results: The auriculoacupuncture group had a significantly smaller incidence of nausea and vomiting than the control group throughout the whole postoperative period (16/35 vs. 27/33, p = 0.03 and 4/35 vs. 15/33, p = 0.005, respectively); the AA group had fewer nausea events 2 h (p = 0.03) and 6 h (p = 0.001) after surgery and fewer vomiting events 2 h (p = 0.01) and 6 h (p = 0.02) after surgery. Conclusions: Auriculoacupuncture can partially prevent postoperative nausea and vomiting when compared to metoclopramide alone after uncomplicated laparoscopic cholecystectomy. Auriculoacupuncture can be recommended as an adjuvant therapy for postoperative nausea and vomiting prevention in selected patients.


Auricular acupuncture; PONV; Laparoscopic cholecystectomy


Justificativa e objetivos: Náuseas e vômitos são complicac¸ões comuns e indesejáveis no pós-operatório de colecistectomia laparoscópica (CL). Nós investigamos os efeitos da auriculoacupuntura (AA) para a prevenc¸ão de náuseas e vômitos no período pós-operatório (NVPO) imediato da CL não complicada. Métodos: 68 pacientes foram aleatoriamente divididos em dois grupos, auriculoacupuntura (n = 35) e controle (n = 33), e foram avaliados prospectivamente. A agulha foi aplicada antes da induc¸ão anestésica e permaneceu no lugar por 20 minutos. A intensidade da náusea foi avaliada mediante escala visual analógica e episódios de NVPO foram registrados imediatamente após a admissão na unidade de recuperac¸ão anestésica e duas, quatro e seis horas após a cirurgia. Resultados: O grupo AA apresentou significativamente menos episódios de NVPO do que o grupo controle durante todo o período pós-operatório (16/35 vs. 27/33, p = 0,03 e 4/35 vs. 15/33, p = 0,005, respectivamente). O grupo auriculoacupuntura apresentou episódios de náuseas menos intensos às 2 horas (p = 0,03) e 6 horas (p = 0,001) após a cirurgia e menos episódios de vômitos 2 horas (p = 0,01) e 6 horas (p = 0,02) após a cirurgia. Conclusão: A auriculoacupuntura aliviou náuseas e vômitos no pós-operatório em número significante de pacientes, mas não foi capaz de prevenir náuseas e vômitos no pós-operatório em todos os pacientes. Ela pode ser recomendada como terapia adjuvante para prevenc¸ão de náuseas e vômitos no pós-operatório no pós-operatório de colecistectomia laparoscópica em pacientes selecionados.


Auriculoacupuntura; Náuseas e vômitos pós-operatórios; Colecistectomia laparoscópica


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