Incidence of Venous Thromboembolism Post Primary Total Knee Arthroplasty and Associated Factors

Ahmed Sonbol, M.^*, Lutf Abumunaser, A. & Amre Hamdi, S.

Orthopedic Surgery, King Abdulaziz Univesity, Jeddah, Saudi Arabia

Dr. Ahmed Sonbol, M., Orthopedic Surgery, King Abdulaziz Univesity, Jeddah, Saudi Arabia.

Keywords: Total Knee Arthroplasty; Deep Venous Thrombosis; Pulmonary Embolism; Thromboembolic Events

Abstract

Background
Major orthopedic surgeries such as total knee arthroplasty (TKA) which have a particular high risk to develop venous thromboembolism (VTE). Factors such as older age, female sex, higher body mass index, bilateral surgery, operation time more than 2 hours, VTE history and other factors were found as a VTE risk after TKA in the literature. This risk is improved significantly with use of thromboprophylaxis.
Objective
To determine the incidence of VTE post TKA and associated factors with its occurrence among our population.
Methods
Retrospective chart review of 348 cases of primary TKA performed between January 2008 to December 2012. Various known risk factors of VTE were retrospectively studied for each case. Descriptive and relationship studies were conducted beside comparison of means were used to determine significance of each factors.

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