Background Esketamine is an antagonist of the N-methyl-D-aspartate receptor (NMDA receptor) that is widely used for multimodal analgesia. In addition to analgesia, sedation is another important effect of esketamine. However, data are limited regarding the sedation effect of esketamine during general anaesthesia. The objective of this study was to determine whether sedation with a subanaesthetic does of esketamine affects anaesthesia recovery. Methods Fifty patients, ASA I to II patient scheduled to laparoscopic cholecystectomy, were randomly assigned to receive a single bolus of esketamine 0.2 mg kg-1 (esketamine group) or placebo (control group). Propofol, sufentanil and rocuronium were used during total intravenous anaesthesia. The patients’ time of recovery from anaesthesia, postoperative pain, postoperative nausea and vomiting, and postoperative agitation were analysed. Results Data from 47 patients were analysed. The average time of anaesthetic recovery was 22.04 ± 1.48 min in the esketamine group(n = 23) and 17.54 ± 1.46 min in the control group(n = 24). The recovery time was significantly longer in the esketamine group. Postoperative pain in the PACU was lower in the esketamine group (NRS score range 0–2) than in the control group (NRS score range 0–3). There were no differences in postoperative nausea and vomiting, and postoperative agitation. Conclusion Subanaesthetic doses of esketamine can reduce postoperative pain in the PACU but delay the aesthetic recovery during the laparoscopic cholecystectomy, without affecting postoperative nausea and vomiting, and postoperative agitation. Trial registration The study was registered at the Chinese Clinical Trial Registry http://www.chictr.org.cn/ (Registration date: 20/11/2020; TrialID: ChiCTR2000040077).
Aim To examine the demographic characteristics associated with stress response of fever outpatients and children's families during normalisation of the COVID‐19 epidemic and to examine the relationship between stress response, coping style and resilience. Design Online cross‐sectional study. Methods A total of 541 fever clinic participants from Yiwu, China, were recruited via WeChat from February to November 2021. Online self‐administered questionnaires were used to collect data. Data were analysed using t‐tests, one‐way analyses of variance, Pearson's correlation analyses and multiple linear regression analyses. Results There were apparent physical and emotional responses among the fever outpatients, especially the adult patients. The main coping style was negative coping, and the degree of psychological resilience was low. Income, comorbidities, religious beliefs, tenacity, negative coping and positive coping were independent predictors of stress response.
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