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ORIGINAL ARTICLES VASCULAR PAPERS
The Journal of Cardiovascular Surgery 2000 August;41(4):595-9
Copyright © 2009 EDIZIONI MINERVA MEDICA
language: English
An analysis of risk factors of perioperative bleeding in surgical repair of abdominal aortic aneurysm
Miyashita T., Ando M., Hanafusa Y., Onishi Y., Kuro M.
From the Department of Anesthesiology and *Cardiovascular Surgery National Cardiovascular Center Suita, Osaka, Japan
Background. In surgical repair of abdominal aortic aneurysm (AAA), excessive bleeding which causes postoperative complications is sometimes observed. To determine the risk factors of perioperative excessive blood loss, this retrospective study was performed.
Methods. Design. A retrospective study. Setting. An academic medical center. Participants. One hundred and forty patients underwent elective surgical repair of an abdominal aortic aneurysm (AAA) at our institution from 1995 through 1997. Measurements. The present study includes critical review of 140 consecutive charts of patients undergoing elective surgical repair of AAA. Preoperative laboratory data, intraoperative data and amount of blood loss to identify risk factors of perioperative blood loss. Factors which were found to be significantly associated with the amount of perioperative blood loss were preoperative plasma fibrin degradation product (FDP) level (r=0.445), amount of immediate re-infusion of shed blood (r=0.438), and duration of operation (r=0.411).
Results. Preoperative fibrinogen level correlated with perioperative blood loss little (r=-0.187). Preoperative platelet count or the other coagulation profile did not affect the amount of perioperative blood loss. The patients whose preoperative FDP were more than 40μg·ml-1 significantly increased the risk of excessive blood loss compared with less than 40 μg·ml-1.
Conclusions. The significant preoperative risk factor of perioperative blood loss was only FDP level in present study. Especially, the patients whose preoperative FDP were more than 40 μg·ml-1 increased the risk of excessive blood loss.