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Liver Transpl. 2018 May;24(5):623-633. doi: 10.1002/lt.25022. Epub 2018 Apr 6.

Perioperative loss of psoas muscle is associated with patient survival in living donor liver transplantation.

Author information

1
Departments of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
2
Departments of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
3
Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

Abstract

Patients with end-stage liver disease show sarcopenia, and preoperative sarcopenia is independently associated with patient mortality after liver transplantation. However, few studies have examined the relationship between perioperative loss of core muscle and patient mortality in living donor liver transplantation (LDLT). This study was performed to investigate the association between a perioperative decrease in the psoas muscle index (PMI) and patient mortality after LDLT. Adult patients (age ≥ 18 years) undergoing LDLT between January 2009 and December 2016 were classified into low-loss (>25th quartile) versus high-loss (≤25th quartile) groups according to PMI change between the day before surgery and postoperative day (POD) 7. Patient survival was compared between the 2 groups, and factors affecting survival were analyzed. The median (interquartile range) level of PMI change from the day before surgery to POD 7 was -4.8% (-11.7%-1.2%). Although there was no preoperative difference in PMI between the low-loss and high-loss groups, patients with PMI change ≤-11.7% showed poorer survival than those with PMI change >-11.7% during the follow-up period. A PMI decrease ≤-11.7% between the day before surgery and POD 7 is an independent predictor of patient mortality after LDLT. In addition, intraoperative packed red blood cell transfusion, graft fat percentage, and reoperation and infection after surgery were significantly associated with patient mortality. In conclusion, a PMI decrease ≤-11.7% between the day before surgery and POD 7 is an independent predictor of patient mortality after LDLT. It is necessary to identify the factors responsible for the perioperative decrease in skeletal muscle mass and to ascertain if they are modifiable to improve patient survival after LDLT. Liver Transplantation 24 623-633 2018 AASLD.

PMID:
29365358
DOI:
10.1002/lt.25022
[Indexed for MEDLINE]

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