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Screening for thrombophilia in high risk patients and high risk situations
Monday, November 26, 2012

 

A recent review of the TREATS Study by Dr Wu and colleagues from the Division of Developmental Medicine, United Kingdom, University of Glasgow.

 

Study Conclusions: "Thrombophilia is associated with increased risks of venous thromboembolism (VTE) in women taking oral oestrogen preparations and patients undergoing major elective orthopaedic surgery, and of VTE and adverse pregnancy outcomes in women with thrombophilia during pregnancy. There is considerable difference in the magnitude of the risks among different patient groups with different thrombophilic defects. In women who are on combined oral contraceptives, the observed ration (OR) of VTE among those who are carriers of the Factor V Leiden (FVL) mutation was 15.62 (95% confidence interval 8.66 to 28.15). However, in view of the prevalence of thrombophilia and the low prevalence of VTE in non-users of combined oral contraceptives, the absolute risk remains low. Significant risks for VTE and adverse pregnancy outcomes have been established with individual thrombophilic defects. Thrombophilic defects including FVL, high plasma factor VIIIc levels and prothrombin G20210A are associated with the occurrence of postoperative VTE in elective hip or knee replacement therapy. These associations are observed in patients who were given preoperative thromboprophylaxis and are, therefore, of clinical significance. Universal thrombophilia screening in women prior to prescribing oral oestrogen preparations, in women during pregnancy and in patients undergoing major orthopaedic surgery is not supported by current evidence. The findings from this study show that selective screening based on prior VTE history is more cost-effective than universal screening. Large prospective studies should be undertaken to refine the risks and establish the associations of thrombophilias with VTE among hormone users and in patients undergoing orthopaedic surgery. The relative value of a thrombophilia screening programme to other healthcare programmes needs to be established".

 

This study was published in Health Technol Assess. 2006 Apr;10(11):1-110.

 

Dr. hratch Karamanoukian is a member of the American College of Phlebology AND a Diplomate of the American Board of Phlebology. He can be contacted by calling 716-839-3638 or www.VeinsVeinsVeins.com 

 

 

Dr. Raffy Karamanoukian is a member of the American College of Phlebology AND a Diplomate of the American Board of Phlebology. He can be contacted by calling 310-998-5535 or www.SantaMonicaVeinCenter.com 

 

Drs. Raffy and Hratch Karamanoukian have authored 6 books about venous disease. The books are available on Amazon Kindle and Nook books for download.

 

 

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