Yokukansan for the treatment of preoperative anxiety and postoperative delirium in colorectal cancer patients: a retrospective study.

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Yokukansan for the treatment of preoperative anxiety and postoperative delirium in colorectal cancer patients: a retrospective study.

Jpn J Clin Oncol. 2017 Jun 07;:1-5

Authors: Wada S, Inoguchi H, Hirayama T, Matsuoka YJ, Uchitomi Y, Ochiai H, Tsukamoto S, Shida D, Kanemitsu Y, Shimizu K

Abstract
Background: Yokukansan (YKS), a Japanese traditional herbal medicine for neurosis and insomnia, is speculated to be useful for perioperative psychiatric symptoms in cancer patients, but there exists little empirical evidence. This study provides preliminary data about the efficacy, feasibility, and side effects of YKS for the treatment of preoperative anxiety and postoperative delirium in cancer patients.
Methods: We retrospectively reviewed the medical records of colorectal cancer patients who took YKS for preoperative anxiety, evaluating the following: (1) patient characteristics, (2) feasibility of taking YKS, (3) changes in preoperative anxiety based on the Clinical Global Impression (CGI) scale and Edmonton Symptom Assessment System-revised (ESAS-r-anxiety), (4) incidence of postoperative delirium and (5) YKS-related side effects.
Results: We reviewed 19 medical records. There was a significant difference between ESAS-r-anxiety scores (P = 0.028) before and after taking YKS, but no difference between CGI scores (P = 0.056). The incidence of postoperative delirium was 5.2% (95% CI = 0.0-14.5). One patient could not complete the course of YKS during the perioperative administration period, but there were no side effects of Grade 2 or worse according to the Common Terminology Criteria for Adverse Events v4.
Conclusions: Cancer patients could safely take YKS before surgery. There was a significant improvement in preoperative anxiety after taking YKS, and the incident rate of postoperative delirium was lower than in previous studies. These results suggest that YKS may be useful for perioperative psychiatric symptoms in cancer patients. Further well-designed studies are needed to substantiate our results.

PMID: 28591818 [PubMed - as supplied by publisher]

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