J Clin Neurol.  2020 Oct;16(4):668-673. 10.3988/jcn.2020.16.4.668.

Factors Affecting the Time Taken to Determine Brain Death in Patients with Impending Brain Death

Affiliations
  • 1Department of Neurology, Gyeongsang National University Hospital, Jinju, Korea
  • 2Department of Neurology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
  • 3Department of Neurology, Gyeongsang National University Changwon Hospital, Changwon, Korea
  • 4Korea Organ Donation Agency, Seoul, Korea
  • 5Department of Neurology, Gyeongsang National University College of Medicine, Jinju, Korea
  • 6Gyeongsang Institute of Health Science, Gyeongsang National University College of Medicine, Jinju, Korea

Abstract

Background
and Purpose: The increased demand for donor organs has made it crucial to keep the organs of patients with impending brain death (PWIBDs) suitable for transplantation during the process of determining brain death. This study aimed to identify the time taken to determine brain death (TT-BD) in PWIBDs and the associated influencing factors.
Methods
This study analyzed data collected by the Korean Organ Donation Agency from 15 hospitals in the Yeongnam region of South Korea. There were 414 PWIBDs eligible for inclusion in this study. The data consisted of the TT-BD for PWIBDs and the potential variables influencing the TT-BD.
Results
The mean age of the 414 PWIBDs was 48.9 years, and 120 of them were female (29.0%). The mean TT-BD was 8.5 days. The presence of spontaneous movements (SMs) and craniotomy significantly affected the TT-BD. The mean TT-BDs were 13.9 and 8.2 days in the PWIBDs with and without SMs, respectively, and 9.8 and 8.0 days in the PWIBDs with and without craniotomy, respectively.
Conclusions
The SMs in PWIBDs and a craniotomy performed immediately before starting the process of determining brain death seem to be related to lengthening the TT-BD.

Keyword

brain death; organ transplantation; time; movement; craniotomy
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