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Use of Continuous Venovenous Hemodiafiltration to Enhance the Elimination of Serum Pentobarbital before Diagnosis of Brain Death

Authors
Lee, JM; Lee, YJ; Bang, ES; Chu, IS; Kim, SH
Citation
Taehan Isik Hakhoe chi, 26(2):120-124, 2012
Journal Title
Taehan Isik Hakhoe chi; The journal of the Korean Transplantation Society; Journal of the Korean Society for Transplantation; 대한이식학회지
ISSN
1598-1711
Abstract
Continuous venovenous hemodiafiltration (CVVHDF) was used to eliminate pentobarbital from the blood of a 30-year-old potentially brain dead male patient with traumatic intracranial hemorrhage after a motorcycle accident. The Acute Physiology and Chronic Health Evaluation (APACHE) II score of hospital day 1 was 24, but by day 8 it was 36, when the patient was considered to be brain dead. To control seizures and reduce intracranial pressure, pentobarbital had been administered in a continuous flow (2,880 mg/day for 5 days). Coma can be induced by pentobarbital at a serum level of 1∼5 mg/dL. However, drug intoxication should be excluded from a brain death evaluation; therefore, the patient was not given any drug for approximately 88 hrs after ceasing pentobarbital in order for serum level to dip below 0.5 mg/dL (which is the hypnotic level). At 48 hours from CVVHDF, the pentobarbital level was close to the hypnotic level (0.1∼0.5 mg/dL). Before stopping, the serum level of pentobarbital was 3.89 mg/dL and between 48 and 72 hours from CVVHDF, 4 cycles of pentobarbital half-life elimination (0.24 mg/dL) could be measured. Therefore, we suggest that in case of potential brain dead patients who have been administered pentobarbital, CVVHDF can enhance the elimination of pentobarbital from the circulatory system and shorten the waiting time for a brain death evaluation.
Keywords
뇌사펜토바비탈지속적 신대체요법지속적 정정맥 여과투석Brain deathPentobarbitalContinuous renal replacement therapyContinuous venovenous hemodiafiltration
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
Journal Papers > School of Medicine / Graduate School of Medicine > Anesthesiology & Pain Medicine
AJOU Authors
이, 재명이, 영주주, 인수김, 세혁
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