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Inadvertent postoperative Hypothermia at post-anesthesia care unit: Incidence, Predictors and Outcome

Open Journal of Anesthesiology 2012年第5期2卷 205-213页

作者： Clara Luis Carlos Moreno Acacio Silva Rosalia Pascoa Fernando Abelha Department of Anesthesiology Centro Hospitalar de Sao JoaoPortoPortugal Anesthesiology and Perioperative care unit Surgical DepartmentFaculty of Medicine of PortoUniversity of PortoPortoPortugal.

Background: Inadvertent postoperative hypothermia (IPH) is known to be associated with various adverse effects. The aim of this study was to evaluate the incidence, predictors and outcome of core inadvertent hypothermia on admission in the post-anesthesia care unit. Methods: Observational, prospective study in a post-anesthesia care unit. The study population consisted of adult patients after non-cardiac and non-neurologic surgery. Patients’ demographics, intraoperative and postoperative data were collected. Descriptive analysis of variables was used to summarize data and the Mann-Whitney U test, Fisher’s exact test or Chi-square test was used. Univariate and multivariate analyses were done with logistic binary regression with calculation of an Odds Ratio (OR) and its 95% Confidence Interval. Results: The incidence of IPH on admission was 32%. In univariate analysis: age, body mass index (BMI), high risk surgery, revised cardiac risk index (RCRI), type of anesthesia, use of forced-air warming, amount of intravenous crystalloids administrated, duration of anesthesia, duration of surgery and admission visual analogue scale (VAS) for pain > 3 were considered predictors of hypothermia. In multiple logistic regression analysis, age (OR 1.7, P = 0.045, for age > 65 years), RCRI (OR 3.18, P = 0.041, for RCRI > 2), duration of anesthesia (OR 1.52, P anesthesia and pain at PACU admission were considered independent predictors for IPH.

关键词： Core Temperature Inadvertent postoperative Hypothermia Outcome post-anesthesia care unit

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Intraoperative body temperature and emergence delirium in elderly patients after non-cardiac surgery:A secondary analysis of a prospective observational study

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Chinese Medical Journal 2023年第19期136卷 2330-2339页

作者： Guojun Wang Shuting He Mengyao Yu Yan Zhang Dongliang Mu Dongxin Wang Department of Anesthesiology Peking University First HospitalBeijing 100034China Department of Anesthesiology Peking University Cancer HospitalBeijing 100142China

Background:Emergence delirium(ED)is a kind of delirium that occured in the immediate post-anesthesia *** body temperature on post-anesthesia care unit(PACU)admission was an independent risk factor of *** present study was designed to investigate the association between intraoperative body temperature and ED in elderly patients undergoing non-cardiac ***:This study was a secondary analysis of a prospective observational *** baseline body temperature as a reference,intraoperative absolute and relative temperature changes were *** relative change was defined as the amplitude between intraoperative lowest/highest temperature and baseline *** was assessed with the confusion assessment method for intensive care unit at 10 and 30 min after PACU admission and before PACU ***:A total of 874 patients were analyzed with a mean age of 71.8±5.3 *** incidence of ED was 38.4%(336/874).When taking 36.0°C,35.5°C,and 35.0°C as thresholds,the incidences of absolute hypothermia were 76.7%(670/874),38.4%(336/874),and 17.5%(153/874),*** multivariable logistic regression analysis,absolute hypothermia(lowest value1.0°C from baseline)and its cumulative duration were also associated with an increased risk of ED,*** taking the relative increment>0.5°C as a threshold,the incidence of relative hyperthermia was 21.7%(190/874)and it was associated with a decreased risk of ED after adjusting above ***:In the present study,we found that intraoperative hypothermia,defined as either absolute or relative hypothermia,was associated with an increased risk of ED in elderly p

关键词： Hypothermia Hyperthermia Emergence delirium Pain measurement Cognitive dysfunction Non-cardiac surgery Aged post-anesthesia care unit

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