Comparative study of blood loss between computer navigation and conventional sequential bilateral total knee arthroplasty: a randomized controlled trial

Completed

• Conditions: Primary bilateral OA knees patients; Primary bilateral OA knees; Simultaneous bilateral TKA; Accelerometer-based computer navigation; Blood loss; Blood transfusion

• Registration Number: TCTR20201126002
• Lead Sponsor: one

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-11-26
• Study Completion: 2021-12-18
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 66

Inclusion Criteria

Patients age > 50 years with primary bilateral OA knees and scheduled for sequential (simultaneous) bilateral TKA
- Kellgren-Lawrence classification III-IV for OA knees

Exclusion Criteria

- Previous knee surgery
- History of knee infection
- History of thromboembolic event or bleeding disorder
- History of current anticoagulants taking within 7 days prior to surgery
- Inflammatory joint disease e.g. rheumatoid arthritis
- Knee deformity which complex TKA is performed e.g. stem insertion, bone or metal augmentation

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Calculated blood loss Postoperative day 1,2,5 Hemoglobin balance, which calculated from difference of preoperative and postoperative hemoglobin

Secondary Outcome Measures

Name	Time	Method
Blood transfusion rate Admission period Volume of blood transfusion,Pain score Postoperative day 1-5 Visual analogue scale for pain score,Morphine consumption Postoperative day 1-5 Amount of morphine use