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Coagulation studies in patients with orthopedic trauma

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Author(s): Rangarajan Kanchana | Subramanian Arulselvi | Gandhi Jatin | Saraf Namit | Sharma Vijay | Farooque Kamran

Journal: Journal of Emergencies, Trauma and Shock
ISSN 0974-2700

Volume: 3;
Issue: 1;
Start page: 4;
Date: 2010;
Original page

Keywords: Coagulation | DIC scores | fibrinogen | ISS scores | trauma

ABSTRACT
Background : Head injury, severe acidosis, hypothermia, massive transfusion and hypoxia often complicate traumatic coagulopathy. First line investigations such as prothrombin time, activated partial thromboplastin time, thrombin time, fibrinogen level, platelet count and D-dimer levels help in the initial assessment of coagulopathy in a trauma victim. Aim : To study the coagulation profile in patients of orthopedic trauma. Settings and Design : Prospective study. Patients and Methods : Patients with head injury, severe acidosis, massive transfusion and severe hypoxia were excluded from the study. Coagulation parameters were evaluated at three intervals, at the time of admission, intra operatively and in the postoperative period. Statistical Analysis : Chi-square test was used for analysis of categorical variables. For comparison between groups, two- way ANOVA was used. Results and Conclusions : Of the 48 patients studied, 38 (80%) had normal DIC scores upon admission and only 10 (20%) had mild DIC scores at the time of admission. The median Injury Severity Score was 34 and they did not correlate with DIC scores. Fibrinogen levels alone were significantly different, increased progressively (mean pre op, intra op and post op levels 518 ± 31,582 ± 35 and 643 ± 27 respectively; P ≤ 0.02) since the time of admission in these patients. All the other parameters remained unchanged. Further large scale prospective studies would be required to correlate elevated fibrinogen levels with the type of trauma or surgery.
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