What's the Risk? A Comparison of Venous Thromboembolism Prevalence in Anterior and Anterolateral Total Hip Arthroplasties
AAPA ePoster library. Dion K. 05/17/17; 180492; 79
Katie Dion
Katie Dion
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Abstract
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'What's the Risk? A Comparison of Venous Thromboembolism Prevalence in Anterior and Anterolateral Total Hip Arthroplasties' Purpose Total Hip Arthroplasty (THA) is an invasive orthopedic procedure performed for patients with arthritic disease. The procedure involves replacement of the femoral head and acetabulum. Two common techniques for THA are the anterior and the anterolateral approaches. A potentially fatal postoperative complication of THA is a blood clot, also known as a venous thromboembolism (VTE). Advances in VTE prophylaxis over the past decade have led to a decrease in morbidity and mortality, however VTE remains a life threatening postoperative complication. The purpose of this study is to compare complications seen in anterior and anterolateral THAs for a six month period with respect to the prevalence of postoperative thromboembolic. Methodology This study is a retrospective chart review of all patients who underwent elective THA performed by Healthcare Associates in Medicine- Orthopedics from Jan 1, 2005 to Dec 31, 2015. The study will compare the two approaches, anterior and anterolateral, for rates of postoperative thromboembolic complications within the six month period following the procedures. Included will be all patients 18 years of age and older who underwent anterior or anterolateral THA. Exclusion criteria will include patients on anticoagulation at time of procedure as well as those who were lost to follow up in the first six months following the procedure. Data will be collected and analyzed for statistical significance by April 30, 2017, utilizing descriptive statistics, T test, positive/negative predictive values and hazard ratio. Expected Results We anticipate that our results will indicate that patients undergoing anterior THA, as compared to those undergoing anterolateral THA, will have a lower rate of postoperative thromboembolic complications such as deep vein thrombosis and pulmonary embolism. There is no published literature to date to validate our expected results, however prior studies have shown earlier ambulation with anterior approach. We believe our pilot study with demonstrate that patients undergoing anterior approach ambulate sooner thereby reducing one of the risk factors associated with the development of VTEs. Anticipated Conclusions Should the results of our study support our hypothesis, our goal is to advocate for the use of the anterior approach for THA over other approaches. S...
'What's the Risk? A Comparison of Venous Thromboembolism Prevalence in Anterior and Anterolateral Total Hip Arthroplasties' Purpose Total Hip Arthroplasty (THA) is an invasive orthopedic procedure performed for patients with arthritic disease. The procedure involves replacement of the femoral head and acetabulum. Two common techniques for THA are the anterior and the anterolateral approaches. A potentially fatal postoperative complication of THA is a blood clot, also known as a venous thromboembolism (VTE). Advances in VTE prophylaxis over the past decade have led to a decrease in morbidity and mortality, however VTE remains a life threatening postoperative complication. The purpose of this study is to compare complications seen in anterior and anterolateral THAs for a six month period with respect to the prevalence of postoperative thromboembolic. Methodology This study is a retrospective chart review of all patients who underwent elective THA performed by Healthcare Associates in Medicine- Orthopedics from Jan 1, 2005 to Dec 31, 2015. The study will compare the two approaches, anterior and anterolateral, for rates of postoperative thromboembolic complications within the six month period following the procedures. Included will be all patients 18 years of age and older who underwent anterior or anterolateral THA. Exclusion criteria will include patients on anticoagulation at time of procedure as well as those who were lost to follow up in the first six months following the procedure. Data will be collected and analyzed for statistical significance by April 30, 2017, utilizing descriptive statistics, T test, positive/negative predictive values and hazard ratio. Expected Results We anticipate that our results will indicate that patients undergoing anterior THA, as compared to those undergoing anterolateral THA, will have a lower rate of postoperative thromboembolic complications such as deep vein thrombosis and pulmonary embolism. There is no published literature to date to validate our expected results, however prior studies have shown earlier ambulation with anterior approach. We believe our pilot study with demonstrate that patients undergoing anterior approach ambulate sooner thereby reducing one of the risk factors associated with the development of VTEs. Anticipated Conclusions Should the results of our study support our hypothesis, our goal is to advocate for the use of the anterior approach for THA over other approaches. S...
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