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PLoS One. 2013 May 10;8(5):e60727. doi: 10.1371/journal.pone.0060727. Print 2013.

Intraoperative cryoprecipitate transfusion and its association with the incidence of biliary complications after liver transplantation--a retrospective cohort study.

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  • 1Department of General Surgery, Shanghai First People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.

Abstract

BACKGROUND:

Cryoprecipitate is largely used for acquired hypofibrinogenemia in the setting of massive hemorrhage in liver transplantation (LT). However, the influence of intraoperative cryoprecipitate transfusion on biliary complications (BC) after LT has not been studied in detail.

STUDY DESIGN AND METHODS:

In a series of 356 adult patients who received their first LT, the causes of BC were retrospectively studied by multivariate logistic regression analysis. The clinical relationship between intraoperative cryoprecipitate transfusion and BC occurrence was studied through a retrospective cohort study in patients. All patients received follow-ups for one year, and, during the follow-up period, the time of BC occurrence and liver biopsies were recorded.

RESULTS:

Intraoperative cryoprecipitate transfusion (RR = 3.46, 95% CI [1.72-6.97], P<0.001), cold ischemia time >8 h (RR = 4.24, 95% CI [2.28-7.92], P<0.01), and high-level Child-Pugh ( RR = 1.71, 95% CI [1.11-2.63], P = 0.014) are independent risk factors to predict BC after LT according to time-to-event analysis. One year BC-free survival probability of patients received intraoperative cryoprecipitate transfusions was significantly lower when compared to the group that received no cryoprecipitate(P<0.001). Moreover, BC patients in the cryoprecipitate transfusion group owned different liver pathological feature, pathological micro-thrombus formation and cholestasis were seen more often (41.4% vs 0%, 62.1% vs 12.5%, respectively) than no cryoprecipitate transfusion group.

CONCLUSION:

These findings suggested that intraoperative cryoprecipitate transfusion was associated with BC after LT. The mechanism of BC occurrence might involve micro-thrombus formation and immune rejection.

PMID:
23675406
[PubMed - indexed for MEDLINE]
PMCID:
PMC3651089
Free PMC Article

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