Publications by authors named "Sina Ghaffaripoor"

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The Impact of Preoperative Variables on Intraoperative Blood Loss and Transfusion Requirements During Orthotopic Liver Transplant.

Exp Clin Transplant 2019 08 12;17(4):507-512. Epub 2017 Oct 12.

From the Department of Anesthesiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.

Objectives: Liver transplant traditionally and potentially is associated with the risk of massive blood loss and transfusion, which can adversely affect transplant outcomes. Many variables influence the amount of bleeding, and these can be categorized as patient related, surgery related, and graft related. We aimed to assess the effects of these variables on the amount of bleeding and transfusion during liver transplant; predicting the risk of massive blood loss can help transplant teams to select and manage patients more effectively.

Materials And Methods: We retrospectively studied 754 patients who underwent liver transplant from 2013 to 2016 and analyzed more than 20 variables that could influence the volume of blood loss and packed cell transfusion.

Results: We found that at least 4 variables are strongly and independently correlated with blood loss volume: age, Model for End-Stage Liver Disease score, warm ischemia time, and total bilirubin. Furthermore, intraoperative blood loss had a weak but clinically important correlation with the underlying disease (ie, the cause of liver cirrhosis). Some variables, including international normalized ratio, platelet count, albumin, serum urea nitrogen, creatinine level, sodium level, and the amount of ascites, could be considered as 'dependent' and weak predictors of massive blood loss. Sex of patient, cold ischemia time, surgery technique, and history of previous abdominal surgery were not correlated with the amount of bleeding.

Conclusions: With the use of the variables identified, we can properly select patients and surgical teams and promptly use modalities for decreasing and managing blood loss.
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Source
http://dx.doi.org/10.6002/ect.2016.0325DOI Listing
August 2019