Brazilian Journal of Anesthesiology
Brazilian Journal of Anesthesiology
Original Investigation

Effect of preoperative anxiety level on postoperative pain, analgesic consumption in patients undergoing laparoscopic sleeve gastrectomy: an observational cohort study

Efeito do nível de ansiedade pré-operatória na dor pós-operatória, consumo de analgésicos em pacientes submetidos à gastrectomia vertical laparoscópica: um estudo de coorte observacional

Yonca Ozvardar Pekcan, Bahattin Tuncalı, Varlık Erol

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: This prospective observational cohort study aimed to investigate the relationship between preoperative anxiety levels and postoperative pain and analgesic requirement in patients undergoing laparoscopic sleeve gastrectomy.

: Forty two female patients with body mass index ≥ 35, who underwent laparoscopic sleeve gastrectomy for treatment of obesity were included in the study. Spielberger's state and trait anxiety scales were used in this study. Demographic data of the patients, anesthetic and analgesic drugs during the surgery, pain levels measured with verbal analog scale at the postoperative 1st, 4th, 12th, and 24th hour, sedation levels measured with the Ramsay sedation scale, and the amount of analgesic consumed were recorded. Anesthesiologist, surgeon, and patient were not informed of the anxiety level results. The relationship between preoperative anxiety and postoperative pain and analgesic consumption was evaluated by Spearman's correlation analysis. Stepwise multiple linear regression analysis was applied. Normal Distribution control was performed by applying the Shapiro-Wilk test to residual values ​​obtained from the final model.

: There was no relationship between trait anxiety level and postoperative pain and analgesic consumption. A correlation was found between state anxiety level and pain level up to 24 hours and analgesic consumption (p < 0.05). According to the obtained model it had been observed that the university graduates consumed more analgesic compared to other education level groups.

: In this study, a relationship was found between preoperative state anxiety level and 24-hour pain scores and analgesic consumption in patients who underwent laparoscopic sleeve gastrectomy under general anesthesia.


Laparoscopy;  Pain management;  Postoperative pain;  Preoperative anxiety



Este estudo de coorte observacional prospectivo teve como objetivo investigar a relação entre os níveis de ansiedade pré-operatória e a dor pós-operatória e a necessidade de analgésicos em pacientes submetidos à gastrectomia vertical laparoscópica.


Quarenta e duas pacientes do sexo feminino com índice de massa corporal ≥ 35, submetidas à gastrectomia vertical laparoscópica para tratamento da obesidade, foram incluídas no estudo. As escalas de estado e traço de ansiedade de Spielberger foram usadas neste estudo. Dados demográficos das pacientes, drogas anestésicas e analgésicas durante a cirurgia, níveis de dor medidos com escala analógica verbal na 1ª, 4ª, 12ª e 24ª hora de pós-operatório, níveis de sedação medidos com a escala de sedação de Ramsay e a quantidade de analgésico consumido foram gravado. Anestesiologista, cirurgião e paciente não foram informados sobre os resultados do nível de ansiedade. A relação entre ansiedade pré-operatória e dor pós-operatória e consumo de analgésicos foi avaliada pela análise de correlação de Spearman. A análise de regressão linear múltipla por stepwise foi aplicada. O controle da Distribuição Normal foi realizado aplicando o teste de Shapiro-Wilk aos valores residuais obtidos do modelo final.


Não houve relação entre nível de ansiedade-traço e dor pós-operatória e consumo de analgésicos. Encontrou-se correlação entre nível de ansiedade estado e nível de dor até 24 horas e consumo de analgésicos (p < 0,05). De acordo com o modelo obtido observou-se que os universitários consumiam mais analgésicos em comparação com outros grupos de nível de escolaridade.


Neste estudo, foi encontrada uma relação entre o nível de ansiedade do estado pré-operatório e os escores de dor de 24 horas e consumo de analgésicos em pacientes submetidos à gastrectomia vertical laparoscópica sob anestesia geral.


Laparoscopia; Gestão da dor; Dor pós-operatória; Ansiedade pré-operatória


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