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Homogenization of Surgical Quality in Remote Robot-Assisted Total Knee Arthroplasty: A Single-Center Randomized Controlled Study

Homogenization of Surgical Quality in Remote Robot-Assisted Total Knee Arthroplasty: A Single-Center Randomized Controlled Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600124227
Enrollment
Unknown
Registered
2026-05-09
Start date
2026-05-10
Completion date
Unknown
Last updated
2026-05-11

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

Conditions

Knee Osteoarthritis

Interventions

Experimental group:Preoperative surgical planning was completed remotely by Shanghai expert surgeons. During surgery, Shanghai experts manipulated the robotic arm in real time via a remote control ter
Control Group:Preoperative planning and intraoperative robotic procedures were completed on-site in Shigatse by Shanghai expert surgeons. The robotic platform, prosthesis system, anesthesia protocol,

Sponsors

Shigatse People’s Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age over 18 years and under 80 years. 2. Clinically and radiographically diagnosed with knee osteoarthritis, meeting the indications for initial unilateral TKA. 3. Planning to undergo robot-assisted total knee arthroplasty. 4. Able to understand the study content and sign the informed consent form. 5. Able to complete postoperative imaging examinations and follow-up as required.

Exclusion criteria

Exclusion criteria: 1. Revision TKA or bilateral simultaneous TKA. 2. Severe extra-articular deformity requiring additional osteotomy for correction. 3. Active infection, severe coagulation disorders, or other surgical contraindications. 4. History of major surgery on the same knee significantly affecting standardized measurements. 5. Unable to complete follow-up or imaging assessments. 6. Subjects deemed unsuitable for inclusion by the investigator.

Design outcomes

Primary

MeasureTime frame
absolute deviation between postoperative actual HKA and planned HKA;—

Secondary

MeasureTime frame
Proportion of postoperative HKA within the target range;Coronal femoral component angular deviation;Coronal tibial component angular deviation;Tibial posterior slope angular deviation;Total operative time;Key procedural time;Intraoperative blood loss;remote interruption rate;manual takeover rate;KSS Score;WOMAC Score;VAS Score;ROM of Knee;Length of hospital stay;Patient satisfaction;—

Countries

China

Contacts

Public ContactZhai Zanjing

Shigatse People’s Hospital

zanjing_zhai@163.com+86 136 5189 0615

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 16, 2026