Anesthesia and analgesia · 2021
Ketamine Alleviates Depressive Symptoms in Patients Undergoing Intracranial Tumor Resection: A Randomized Controlled Trial.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Zhou Yang, Sun Wanchen, Zhang Guofu, Wang Anxin, Lin Song, Chan Matthew T V, Peng Yuming, Wang Gang, Han Ruquan
Аннотация
BACKGROUND: Depressive symptoms occur in over 40% of neurosurgical patients during the perioperative period. However, no measure has been suggested to have a rapid effect on depressive surgical patients during increasingly shorter stays in the hospital. This study aimed to determine whether ketamine could improve depressive symptoms rapidly and safely during the hospital stay.
METHODS: This was a randomized, placebo-controlled, and double-blinded trial. Patients with moderate-to-severe depressive symptoms undergoing elective supratentorial brain tumor resection were randomized to intravenously receive either (1) 0.5 mg·kg-1 ketamine for 40 minutes or (2) an identical volume of normal saline. The primary outcome was treatment response on postoperative day 3, defined as a ≥50% reduction from the baseline depressive score. The secondary outcomes included the rate of remission and safety outcomes. The Montgomery-Åsberg Depression Rating Scale was applied by trained psychiatrists to evaluate depressive symptoms.
RESULTS: A total of 84 neurosurgical patients were enrolled in the trial. The response rate was increased by the administration of ketamine (41.5% [17/41] vs 16.3% [7/43]; relative risk [RR]: 2.51, 95% confidence interval [CI], 1.18-5.50) relative to the administration of placebo at 3 days. Furthermore, the remission rate at discharge (29.3% [12/41] vs 7.0% [3/43]; RR: 4.20, 95% CI, 1.28-13.80) was also improved by ketamine. No psychotic symptoms or adverse events were reported to be substantially higher in the ketamine group.
CONCLUSIONS: The trial indicates that the intraoperative administration of ketamine could alleviate moderate-to-severe depressive symptoms in neurosurgical patients without worsening safety.
METHODS: This was a randomized, placebo-controlled, and double-blinded trial. Patients with moderate-to-severe depressive symptoms undergoing elective supratentorial brain tumor resection were randomized to intravenously receive either (1) 0.5 mg·kg-1 ketamine for 40 minutes or (2) an identical volume of normal saline. The primary outcome was treatment response on postoperative day 3, defined as a ≥50% reduction from the baseline depressive score. The secondary outcomes included the rate of remission and safety outcomes. The Montgomery-Åsberg Depression Rating Scale was applied by trained psychiatrists to evaluate depressive symptoms.
RESULTS: A total of 84 neurosurgical patients were enrolled in the trial. The response rate was increased by the administration of ketamine (41.5% [17/41] vs 16.3% [7/43]; relative risk [RR]: 2.51, 95% confidence interval [CI], 1.18-5.50) relative to the administration of placebo at 3 days. Furthermore, the remission rate at discharge (29.3% [12/41] vs 7.0% [3/43]; RR: 4.20, 95% CI, 1.28-13.80) was also improved by ketamine. No psychotic symptoms or adverse events were reported to be substantially higher in the ketamine group.
CONCLUSIONS: The trial indicates that the intraoperative administration of ketamine could alleviate moderate-to-severe depressive symptoms in neurosurgical patients without worsening safety.