Skip to content

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

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

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20201126002
Enrollment
60
Registered
2020-11-26
Start date
2020-11-28
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary bilateral OA knees patients Primary bilateral OA knees Simultaneous bilateral TKA Accelerometer-based computer navigation Blood loss Blood transfusion

Interventions

Conventional procedure of TKA which needs femoral intramedullary breaching for distal femoral cut,ABN procedure of TKA which no need to breach the femoral intramedullary canal for distal femoral cut
Active Comparator Procedure/Surgery,Experimental Procedure/Surgery
Conventional TKA,ABN TKA

Sponsors

None
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to No maximum

Inclusion criteria

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

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

Design outcomes

Primary

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

Secondary

MeasureTime frame
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

Countries

Thailand

Contacts

Public ContactKeerati Chareancholvanich

Faculty of Medicine Siriraj Hospital, Mahidol University

keesi93@gmail.com0818188568

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026