Abstract summary 

Depression is a prevalent mood disorder during the perioperative period, with both preoperative concurrent depression and new-onset postoperative depression impacting postoperative recovery. Recent studies have indicated that the dissociative anesthetic esketamine may alleviate perioperative depressive symptoms.This meta-analysis aimed to assess the efficacy and safety of esketamine in treating perioperative depression.We selected randomized controlled trials comparing esketamine to placebo in terms of postoperative depressive symptoms. The primary outcome was postoperative depression scores, with secondary outcomes including the prevalence of postoperative depression, pain scores using the Visual Analogue Scale or Numeric Rating Scale, and incidences of adverse reactions such as nausea/vomiting, dizziness, dreams/nightmares, hallucinations.We enrolled a total of 17 studies involving 2462 patients. The esketamine group demonstrated a significant reduction in postoperative depression scores within one week after surgery (SMD -0.47, 95% CI (-0.66, -0.27), P < 0.001) and over the long term (SMD -0.44, 95% CI (-0.79, -0.09), P = 0.01). Furthermore, esketamine significantly decreased the prevalence of postoperative depression both within one week (RR 0.46, 95% CI (0.33, 0.63), P < 0.001) and over the long term (RR 0.50, 95% CI (0.36, 0.70), P < 0.001). Additionally, esketamine effectively relieved pain on the first postoperative day compared to control. However, it also increased the risks of dizziness and hallucinations for a short time.This meta-analysis suggests that the intraoperative or postoperative application of esketamine could be a potentially effective treatment for perioperative depression, although the increased risk of adverse reactions should be considered.

Authors & Co-authors:  Lou Qiu Ren Hashimoto Zhang Yang

Study Outcome 

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