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The Effect of Tranexamic Acid on Blood Coagulation in Total Hip Arthroplasty Surgery

Total Hip Arthroplasty Clinical Trial

Official title:
The Effect of Tranexamic Acid on Blood Coagulation in Total Hip Arthroplasty Surgery Based on Rotational Thromboelastometry (ROTEM®).

Clinical Trial Summary

Total hip arthroplasty (THA) is associated with blood loss ranging from 300 to 2000 mL. Tranexamic acid (TXA) is frequently administered prophylactically during this procedure to reduce blood loss by inhibiting fibrinolysis or by stopping naturally occurring clot resolution. TXA is employed currently based on a surgeon's preference. The objective of this study is to quantitate the degree of fibrinolysis using rotational thromboelastometry (ROTEM) and investigate the role of TXA prophylaxis on blood loss in patients undergoing THA in a double-blind fashion. Our hypothesis is that fibrinolysis is minimal at most and TXA prophylaxis is not necessary during THA. All patients, whether they receive TXA or normal saline, will not be at risk, as at this time no data exists to determine which approach is safer or more effective. This is the first study to compare TXA vs. placebo in a double-blinded, randomized controlled trial.

Clinical Trial Description

Total hip arthroplasty (THA) is associated with moderate blood loss ranging from 300 to 2000 mL. Tranexamic acid (TXA) is frequently administered prophylactically during this procedure to reduce blood loss by inhibiting fibrinolysis. Most clinical studies reported potential benefit of the treatment demonstrated by less estimated blood loss (EBL), reduced hemoglobin/hematocrit (HH) change, and reduced transfused packed red blood cells (PRBC). However, bleeding complication may be affected more significantly by the degree of surgical trauma and comorbidity of patients than coagulation abnormality. Further, the frequency and severity of fibrinolysis during these procedures have not been well studied. Additionally, TXA administration may increase the tendency of postoperative venous thrombosis by inhibiting fibrinolysis in already prothrombotic patients. The objective of this study is to quantitate the degree of fibrinolysis using rotational thromboelastometry (ROTEM) and investigate the role of TXA prophylaxis on clinical outcome in patients undergoing THA in a double-blind fashion. Our hypothesis is that fibrinolysis is minimal at most and TXA prophylaxis is not necessary during primary THA. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03897621
Study type Interventional
Source Thomas Jefferson University
Contact
Status Completed
Phase N/A
Start date May 20, 2019
Completion date December 20, 2022
View Details
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