Abstract:
:A 24-hours service was organized to study changes in the hemostatic system in surgical patients undergoing massive transfusion for excessive bleeding during operation or in the early postoperative period. Hemostasis tests gave normal results in only 12(7%) of the 172 patients, while in the remaining 160(93%) one or more tests gave abnormal results. The platelet count was the most frequently abnormal, followed by the prothrombin time and plasma fibrinogen. Well-defined hemostatic disorders (such as DIC, heparinization and liver disease) were ascertained in 82 patients (48%). 78 patients (45%) had less specific laboratory abnormalities, with a particularly high incidence of thrombocytopenia and less pronounced alterations in the coagulation tests. Unlike the patients with defined disorders, the strong inverse correlation in this group between platelet count, prothrombin time, plasma fibrinogen, and the number of transfusions suggests that the laboratory abnormalities were induced by massive blood replacement. Standard schemas involving the administration of platelet concentrates and/or fresh-frozen plasma without evaluation of hemostasis did not help to reduce the incidence of abnormalities. These measures also failed to decrease the requirements for whole blood and/or packed red cells. Therefore, indiscriminate administration in the massively transfused postoperative patient of blood components based on preestablished schemes appears to be unjustified. An approach based on hemostasis screening, identification of the underlying disorder, directed therapeutic intervention and laboratory monitoring is likely to be more effective.
journal_name
Vox Sangjournal_title
Vox sanguinisauthors
Mannucci PM,Federici AB,Sirchia Gdoi
10.1111/j.1423-0410.1982.tb01080.xsubject
Has Abstractpub_date
1982-03-01 00:00:00pages
113-23issue
3eissn
0042-9007issn
1423-0410journal_volume
42pub_type
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