Brazilian Journal of Pain
https://brjp.org.br/article/doi/10.5935/2595-0118.20200024
Brazilian Journal of Pain
Original Article

General anesthesia is predictive for occurrence of postoperative pain

Anestesia geral é preditiva para a ocorrência de dor pós-operatória

Thaise Loyanne Felix Dias; Amanda Paula Mendonça Costa; Celio Melo Anjos; Joanlise Marco de Leon Andrade; Mani Indiana Funez

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Abstract

BACKGROUND AND OBJECTIVES: Pain is one of the most frequent complications in the post- anesthetic care unit. Knowing the risk variables is one strategy for its prevention. The objective of the present study was to identify the predictive variables for pain in the post anesthetic care unit, regardless of its intensity.

METHODS: This was an observational and cross-sectional study with primary data with 98 adults submitted to elective surgery. The pain was assessed using a numerical scale. The patients were divided into two groups: the presence or absence of pain. Also, pre, intra, and postoperative information were gathered. Descriptive, comparative analysis between groups and logistic regression were conducted.

RESULTS: Pain in the post anesthetic care unit was mentioned by 34.7% of the sample, classified as severe by the majority (61.8%). A significant statistical relationship was found between the presence of pain, regardless of intensity, and two preoperative variables, nine intraoperative variables, and four postoperative variables, namely: female sex; general surgery specialty; supine position; general anesthesia; greater use of intravenous opioids and lower use of intrathecal morphine in the intraoperative period; time in surgery greater than 120 minutes; and oxygen desaturation in the postoperative period. The regression analysis revealed that general anesthesia increased the probability of pain in the post anesthetic care unit by 9.5 times.

CONCLUSION: General anesthesia was identified as predictive of pain in the post-anesthetic care unit, indicating the profile of patients at higher risk.

Keywords

Anesthesia, Elective surgical procedures, Perioperative nursing, Postoperative period, Care unit

Resumo

JUSTIFICATIVA E OBJETIVOS: A dor é uma das complicações mais frequentes em sala de recuperação pós-anestésica e uma estratégia para sua prevenção é o conhecimento de variáveis de risco. O objetivo deste estudo foi identificar variáveis preditivas de dor em sala de recuperação pós-anestésica, independentemente de sua intensidade.

MÉTODOS: Estudo observacional e transversal com dados primários, com 98 pacientes adultos submetidos a cirurgia eletiva. A dor foi avaliada utilizando a escala numérica. Os pacientes foram divididos em dois grupos pela sua presença ou ausência de dor. Além disso, foram coletadas informações pré, intra e pós-operatórias. Realizou-se análise descritiva comparativa entre grupos e regressão logística.

RESULTADOS: A queixa de dor na sala de recuperação pós-anestésica foi feita por 34,7%, sendo classificada como intensa para a maioria (61,8%). Houve relação estatística significativa para sua presença, independente da intensidade, com duas variáveis pré-operatórias, nove variáveis intraoperatórias e quatro variáveis pós-operatórias, a saber: sexo feminino; especialidade cirúrgica geral; decúbito dorsal; anestesia geral; maior consumo de opioides por via endovenosa e menor uso de morfina subaracnóidea no intraoperatório; tempo de cirurgia superior a 120 minutos e dessaturação de oxigênio no pós-operatório. A análise de regressão revelou que anestesia geral aumenta em 9,5 vezes as chances de ocorrência de dor em sala de recuperação pós-anestésica.

CONCLUSÃO: A anestesia geral foi identificada como preditiva para a ocorrência de dor em sala de recuperação pós-anestésica, evidenciando o perfil de pacientes com maior risco.

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Submitted date:
12/06/2019

Accepted date:
04/14/2020

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