Tranexamic Acid in Total Knee Replacement

Osteo Arthritis Knee Clinical Trial

Official title:

Multiple Intravenous Tranexamic Acid Doses Can Reduce Postoperative Blood Loss and Improve the Functional Outcome in Total Knee Arthroplasty Without Tourniquet: a Randomized Controlled Study

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT03656445
• Other study ID #: 546a - 26/10/2015
• Status: Completed
• Phase: N/A
• Start date: October 1, 2015
• Est. completion date: March 31, 2017

Study information

• Verified date: August 2018
• Source: Democritus University of Thrace
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Multiple intravenous Tranexamic Acid doses can reduce postoperative blood loss and improve the functional outcome in total knee arthroplasty without tourniquet: a randomized controlled study.

Description:

A total of 180 patients undergoing TKA for knee osteoarthritis were stratified in three equal groups. All surgeries were performed under spinal anesthesia, without tourniquet and patients should be in agreement with the established inclusion/exclusion criteria. Group A (60 patients) received 1g of IV TXA, Group B (60 patients) received an additional dose of IV TXA and Group C (60 patients) received three doses of IV TXA. The measured outcomes were the Hemoglobin (Hb) decrease, the transfusion rate, the functional, quality of life (QoL) and pain assessment based on their corresponding scoring system.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 180
• Est. completion date: March 31, 2017
• Est. primary completion date: March 31, 2017
• Accepts healthy volunteers: No
• Gender: All
• Age group: N/A and older

Eligibility

Inclusion Criteria:

1. varus deformity less than 10o

2. lack of extension not more than 10o

3. flexion of at least 90o.

Exclusion Criteria:

1. uncontrolled medical diseases/comorbidities

2. allergy and/or hypersensitivity to TXA

3. a known history of thromboembolic disease, cardiovascular disease

4. coronary or vascular stent placed within the past 12 months

5. cerebral vascular disease (a history of stroke)

6. subarachnoid hemorrhage

7. preoperative coagulopathy (a platelet [PLT] count <150,000/mm3 or an international normalized ratio greater than 1.5

8. preoperative renal or hepatic dysfunction

9. retinal vein or artery occlusion

10. patients with anemia (<12 g/dL for female, <13 g/dL for male)

Related Conditions & MeSH terms

• Osteo Arthritis Knee
• Osteoarthritis
• Osteoarthritis, Knee

Intervention

Drug:
• Tranexamic Acid
1 dose of IV TXA (15mg/kg) in 100-ml normal saline, 10 minutes before incision, administered during the induction of the anesthesia
• Tranexamic Acid
1 dose of IV TXA (15mg/kg) in 100-ml normal saline, 10 minutes before incision and an additional dose of IV TXA (15mg/kg) in 100-ml normal saline 3 hours after skin incision
• Tranexamic Acid
1 dose of IV TXA (15mg/kg) in 100-ml normal saline, before incision and two additional doses of IV TXA (15mg/kg) in 100-ml normal saline 3 and 6 hours after skin incision respectivel

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
Democritus University of Thrace

References & Publications (1)

Zhang Y, Jordan JM. Epidemiology of osteoarthritis. Clinics in geriatric medicine. Aug 2010;26(3):355-369. 2. Litwic A, Edwards MH, Dennison EM, Cooper C. Epidemiology and burden of osteoarthritis. British medical bulletin. 2013;105:185-199. 3. Kurtz S, Ong K, Lau E, Mowat F, Halpern M. Projections of primary and revision hip and knee arthroplasty in the United States from 2005 to 2030. The Journal of bone and joint surgery. American volume. Apr 2007;89(4):780-785. 4. Bourne RB, McCalden RW, MacDonald SJ, Mokete L, Guerin J. Influence of patient factors on TKA outcomes at 5 to 11 years followup. Clinical orthopaedics and related research. Nov 2007;464:27-31. 5. Anderson JG, Wixson RL, Tsai D, Stulberg SD, Chang RW. Functional outcome and patient satisfaction in total knee patients over the age of 75. The Journal of arthroplasty. Oct 1996;11(7):831-840. 6. Mulhall KJ, Ghomrawi HM, Bershadsky B, Saleh KJ. Functional improvement after total knee arthroplasty revision: new observations on the dimensional nature of outcome. Journal of orthopaedic surgery and research. Dec 07 2007;2:25. 7. Saleh KJ, Dykes DC, Tweedie RL, et al. Functional outcome after total knee arthroplasty revision: a meta-analysis. The Journal of arthroplasty. Dec 2002;17(8):967-977. 8. Sikorski JM. Alignment in total knee replacement. The Journal of bone and joint surgery. British volume. Sep 2008;90(9):1121-1127. 9. Blumberg N. Allogeneic transfusion and infection: economic and clinical implications. Semin Hematol. 1997/07// 1997;34(3 Suppl 2):34-40. 10. Vamvakas EC, Blajchman MA. Transfusion-related mortality: the ongoing risks of allogeneic blood transfusion and the available strategies for their prevention. Blood. Apr 09 2009;113(15):3406-3417. 11. Berry DJ, Bozic KJ. Current practice patterns in primary hip and knee arthroplasty among members of the American Association of Hip and Knee Surgeons. The Journal of arthroplasty. Sep 2010;25(6 Suppl):2-4. 12. Themistoklis T, Theodosia V, Konstantinos K, Georgios DI. Perioperative blood management strategies for patients undergoing total knee replacement: Where do we stand now? World journal of orthopedics. Jun 18 2017;8(6):441-454. 13. Zhang W, Li N, Chen S, Tan Y, Al-Aidaros M, Chen L. The effects of a tourniquet used in total knee arthroplasty: a meta-analysis. Journal of orthopaedic surgery and research. 2014;9:13-13. 14. Zhang Q, Dong J, Gong K, Li X, Zheng S, Wen T. [Effects of Tourniquet Use on Perioperative Outcome in Total Knee Arthroplasty]. Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery. Apr 2016;30(4):421-425. 15. Du Z, Liu P, Zhang Y, Li D, Li M. [Effect of tourniquet on perioperative blood loss and short-term effectiveness in total knee arthroplasty]. Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery. Nov 2013;27(11):1318-1323. 16. Li X, Yin L, Chen ZY, et al. The effect of tourniquet use in total knee arthroplasty: grading the evidence through an updated meta-analysis of randomized, controlled trials. European journal of orthopaedic surgery & traumatology : orthopedie traumatologie. Aug 2014;24(6):973-986. 17. Tetro AM, Rudan JF. The effects of a pneumatic tourniquet on blood loss in total knee arthroplasty. Canadian journal of surgery. Journal canadien de chirurgie. Feb 2001;44(1):33-38.

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	hemoglobin change	Hemoglobin decrease/change during the four post-operative days	1st,2nd and 4th post-operative day
Primary	Blood loss	calculated total blood loss (TBL) the 1st post-op day	24 hours
Primary	Blood loss	calculated total blood loss (TBL) the 2nd post-op day	48 hours
Primary	Blood loss	calculated total blood loss (TBL) the 4th post-op day	96 hours
Primary	Platelet count change	Platelet count increase/decrease/change during the 1st,2nd and 4th day	24 hours, 48 hours, 96 hours
Primary	Need for trasfussion	Transfussion rate/quantity in 1st post-op day	24 hours
Primary	Need for trasfussion	Transfussion rate/quantity in 2nd post-op day	48 hours
Primary	Need for trasfussion	Transfussion rate/quantity in 3rd post-op day	96 hours
Secondary	Knee Society Score (KSS) KSS	Change in this Score which is an objective scoring system to rate the knee and patient's functional abilities such as walking and stair climbing before and after TKA. Maximum score is 100 (best functionality) and lowest score is 0 (worst functionality)	2nd and 4th post op days + 6th week and 12th week
Secondary	Function Knee Society Score	Change in this score which utilizes walking distance and stair climbing as the main parameters, with deduction for the use of a walking aid. Maximum score is 100 (best functionality) and lowest score is 0 (worst functionality)	2nd and 4th post op days + 6th week and 12th week
Secondary	EuroQol	Changes in this score which is a standardised measure of health status developed by the EuroQol Group in order to provide a simple, generic measure of health for clinical and economic appraisal. Crosswalk value sets for the EQ-5D-5L has been used to asses the results into numbers. Maximum score is 1 (which means best quality of life) and the lowest is -0.594(which means the worst quality of life)	2nd and 4th post op days + 6th week and 12th week
Secondary	VAS pain (analogue pain scale)	The pain VAS is a continuous scale comprised of a horizontal (HVAS) or vertical (VVAS) line, usually 10 centimeters (100 mm) in length, anchored by 2 verbal descriptors, one for each symptom extreme. For pain intensity, the scale is most commonly anchored by "no pain" (score of 0) and "pain as bad as it could be" or "worst imaginable pain" (score of 10 [100-mm scale])	2nd and 4th post op days + 6th week and 12th week