International Orthopaedics

, Volume 30, Issue 3, pp 143–146

Changes in coagulation and fibrinolysis of post-SARS osteonecrosis in a Chinese population

  • Wei Sun
  • Zi–rong Li
  • Zhen–cai Shi
  • Nian–fei Zhang
  • Yuan–chun Zhang
Original Paper

Abstract

The purpose of this study was to detect changes in coagulation and fibrinolysis of post-severe acute respiratory syndrome (SARS) Chinese patients with osteonecrosis, investigate the aetiology of post-SARS osteonecrosis (ON), and select the sensitive molecular markers for identifying the susceptible population. For this study, blood samples were collected from 88 patients with post-SARS ON and 52 healthy people. Activated partial thromboplastin time (APTT), protein C (PC), antithrombin III (AT–III), plasminogen activator inhibitor (PAI), activated protein C resistance (APC–R), plasminogen (PLG), von Willebrand’s factor(vWF), D–dimer (D–D), fibrinogen (Fib), and homocysteine (HCY) were examined by enzyme-linked immunosorbent assay (ELISA). We noted that blood agents of patients with ON changed obviously. APTT, PC, AT–III, PAI, APC–R, and PLG were significantly different between the two groups. Hypercoagulation and hypofibrinolysis were found in patients with post-SARS ON. Therefore, these examinations can be used to screen a population susceptible to ON. Measurements of APTT, PC, AT–III, PAI, APC–R, and PLG are sensitive blood tests for screening purposes.

Résumé

Le but de cette étude est de détecter les troubles de la coagulation et de la fibrinolyse chez les patients ayant présenté, en Chine, un SRAS, avec ostéonécrose, d’étudier l’étiologie des ostéonécroses post-SRAS et de sérier la population susceptible de présenter de telles pathologies. Pour cette étude, des échantillons de sang ont été collectés chez 88 patients ayant présenté un SRAS avec ostéonéchrose et, sur une population témoin de 52 autres patients. Le temps d’activation partielle de la thromboplastie (APT), la protéine C (PC), l’antithrombine III (AT III), l’activateur d’inhibition du plasminogène (PLG), l’activateur de la résistance de la protéine C (PAC R), le plasminogène (PLG), le facteur de Willebrand (vWF), les D–Dimmer (D–D), le fibrinogène (Fib) et l’homocystéine (HCY) ont été analysés par la technique d’Elisa. Nous avons noté que les facteurs sanguins de ces patients, présentant une ostéonéchrose présentaient un changement significatif (APTT, PC, AT–III, PAI, APC–R, PLG). Cette différence étant significative également entre les deux groupes. Nous avons trouvé chez ces patients une hypercoagulation avec une hypofibrinolyse après post-SRAS. Ces examens, peuvent être utilisés en routine pour dépister les populations susceptibles de présenter une ostéonécrose après SRAS, les facteurs sensitifs du dépistage étant l’APTT, PC, A T–III, PAI, APC–R et le PLG.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Wei Sun
    • 1
  • Zi–rong Li
    • 1
  • Zhen–cai Shi
    • 1
  • Nian–fei Zhang
    • 1
  • Yuan–chun Zhang
    • 1
  1. 1.Center for Osteonecrosis and Joint Preserving and Reconstruction, Department of Orthopaedic SurgeryChina–Japan Friendship HospitalBeijingPeople’s Republic of China

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