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- Title
Bedside assessment of fibrinogen level in postpartum haemorrhage by thrombelastometry.
- Authors
Huissoud, C.; Carrabin, N.; Audibert, F.; Levrat, A.; Massignon, D.; Berland, M.; Rudigoz, R.-C.
- Abstract
Objectives To establish whether reagent-supported thrombelastometry with the rotation thrombelastometry system (ROTEM®) point-of-care device correlated with fibrinogen level in postpartum haemorrhages. Design Prospective observational study. Population and setting Ninety-one women at the third trimester of pregnancy: 37 with postpartum haemorrhage (study group) and 54 without abnormal bleeding (control group). Methods Standard laboratory test results were compared with those obtained at bedside from the ROTEM with the FIBTEM® test (54 tests in the control group and 51 in the study group). Main outcome measures Analysis of correlations between fibrinogen levels and FIBTEM test results: clotting time (CT), clot amplitude at 5 and 15 minutes (CA5; CA15) and maximal amplitude [maximum clot firmness (MCF)]. Results Median fibrinogen level was significantly lower in the haemorrhage group than in the control group (3.4 and 5.1 g/l, respectively, P < 0.0001). Median CT was higher in the haemorrhage group than in the control group ( P = 0.05). CA5, CA15 and MCF were significantly lower in the haemorrhage group than in controls ( P < 0.0001) and strongly correlated with fibrinogen levels in both groups ( r = 0.84–0.87, P < 0.0001). A cut-off value of CA5 at 5 mm and CA15 at 6 mm presented an excellent sensitivity (100% for both parameters) and a good specificity (respectively 85 and 88%) to detect fibrinogen levels <1.5 g/l in postpartum haemorrhage. Conclusions The early parameters obtained from the FIBTEM test correlated well with fibrinogen levels. ROTEM might be helpful in guiding fibrinogen transfusion during postpartum haemorrhage.
- Subjects
PUERPERAL disorders; UTERINE hemorrhage; FIBRINOGEN; BLOOD transfusion; PREGNANCY
- Publication
BJOG: An International Journal of Obstetrics & Gynaecology, 2009, Vol 116, Issue 8, p1097
- ISSN
1470-0328
- Publication type
Article
- DOI
10.1111/j.1471-0528.2009.02187.x