alexa Blood Coagulation at Major Orthopaedic Surgery
ISSN: 2155-9864

Journal of Blood Disorders & Transfusion
Open Access

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Research Article

Blood Coagulation at Major Orthopaedic Surgery

Antropova IP1*, Reino EV1, Yushkov BG2,3, Shlykov IL1 and Varaksin AN4

1Ural Research Institute of Traumatology and Orthopedics, Russia

2Institute of Immunology and Physiology, RAS Ural Branch, Russia

3Ural Federal University, Russia

4Ural Federation University Institute of Industrial Ecology, RAS Ural Branch, Yekaterinburg, Russian Federation

*Corresponding Author:
Irina P Antropova
Senior Researcher, Federal State Institution
Ural Research Institute of Traumatology and Orthopedics
7 Bankovsky alley, 620014, Yekaterinburg, Russia Federation
Tel: 7-922-1105359
E-mail: [email protected]

Received date: October 03, 2013; Accepted date: November 22, 2013; Published date: November 25, 2013

Citation: Antropova IP, Reino EV, Yushkov BG, Shlykov IL, Varaksin AN (2013) Blood Coagulation at Major Orthopaedic Surgery. J Blood Disord Transfus 5:178. doi: 10.4172/2155-9864.1000178

Copyright: © 2013 Antropova IP, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Thromboelastography (TEG) provides a means of monitoring coagulation postoperatively, the triggers involved are not clear. We studied the TEG parameters after total hip arthroplasty (THA), exploring the relationship with markers of hemostasis. In samples collected from 61 patients (33-72 years old), TEG parameters, global coagulation indices and specific hemostatic markers (TAT, D-dimer, and β-thromboglobulin) were assessed. Blood samples were taken before THA, 30 min after completion of surgery, and post-THA (Days 1, 3, 7, and 14). TAT levels peaked upon completion of THA, declining on Day 1 and normalizing by Day 3; β-thromboglobulin levels increased sharply to peak upon completion of THA, returning to baseline levels after Day 7; and the TEG coagulation index (CI) of whole blood increased immediately after THA, peaked within 7 days, and remained elevated for up to 14 days. After surgery (30 min), CI correlated significantly with platelet count (r=0.31, p<0.05) and β-thromboglobulin level (r=0.60, p<0.05). On postoperative Day 1, CI correlated with fibrinogen level (r=0.42, p<0.05) and platelet count (r=0.36, p<0.05). By Day 3, a correlation between CI and activity of the external coagulation pathway was noted. CI and PT also correlated significantly on Day 7 (r=-0.45, p<0.05) and Day 14 (r=-0.47, p<0.05). D-dimer concentration increased sharply at completion of surgery, declined at Day 3, rose again by Day 7, and remained elevated until Day14. On the other hand, the whole blood lysis index (Ly30) was unchanged at completion of surgery and during postoperative Day 1, increased significantly on Day 3, and then returned to baseline levels by Day 7. In conclusion, thrombin formation after major orthopedic surgery declines; but the total coagulation potential of blood (under standard anticoagulant treatment) peaks within one week and remains elevated at least until postoperative Day 14, correlating with activity of the external coagulation pathway during this time.

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