Kosin Med J.  2021 Jun;36(1):14-24. 10.7180/kmj.2021.36.1.14.

The Effect of Patient-controlled Intravenous Analgesia (PCIA) on Postoperative Delirium in Patients with Liver Transplantation: a Propensity Score Matching Analysis

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, National Police Hospital, Seoul, Korea
  • 2Department of Anesthesiology and Pain Medicine, Daedong Hospital, Busan, Korea
  • 3Department of Anesthesiology and Pain Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
  • 4Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
  • 5Department of Anaesthesiology and Pain Medicine, Ansan Hospital, Korea University College of Medicine, Ansan, Korea

Abstract


Objectives
Postoperative opioid use and pain are related to postoperative delirium. This study aims to compare the incidence of delirium in patients with and without patient-controlled intravenous analgesia (PCIA) among liver transplant recipients.
Methods
The medical records of 253 patients who received liver transplantation (LT) from January 2010 to July 2017 in a single university hospital were retrospectively reviewed. Patients were divided into two groups: the patients who had used PCIA (P group, n = 71) and those who did not use PCIA (C group, n = 182) after LT in intensive care unit (ICU). The patient data were collected, which included demographic data, and details about perioperative management and postoperative complications.
Results
There was no difference in the model for end-stage liver disease (MELD) score between the two groups. Postoperative delirium occurred in 10 / 71 (14.08 %) in the P group and 26 / 182 (14.29 %) in the C group after LT, respectively (P = 0.97). After propensity score matching, no differences were observed in the incidence of delirium (P = 0.359) and the time from surgery to discharge (P = 0.26) between the two groups.
Conclusions
Patients with PCIA after LT exhibited no relationship with postoperative delirium. Therefore, it is necessary to actively control postoperative pain using PCIA.

Keyword

Complication; Liver transplantation; Opioid; Patient-controlled analgesia; Postoperative delirium
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