Total Knee Arthroplasty Clinical Trial
— TKA-MAKOOfficial title:
Etude Clinique, Monocentrique, Prospective, randomisée et contrôlés de l'Arthoplastie Totale de Genou Avec le système Robotique MAKO™ Par Rapport à l'Arthroplastie Totale de Genou Conventionnelle Par Ancillaire mécanique
For the total knee arthrorplasty (TKA), the placement of a prosthesis is delicate and the
correct positioning of the implants determines the result of the surgery.
Navigation has improved surgical accuracy but remains inadequate with nearly 20% malposition.
In the early 2010s, robot-assisted surgery solutions were born. Amongst its offers, Stryker's
MAKO™ system appears to be the most advanced and developed due to its precision and its
flexibility of use during surgery.
In this study, the investigators evaluate the placement of the total knee prosthesis with the
MAKO™ system compared to the placement of the total knee prosthesis with a conventional
mechanical system for TKA
Status | Recruiting |
Enrollment | 60 |
Est. completion date | September 23, 2020 |
Est. primary completion date | September 23, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Major patient - Patient who must have a total prosthetic knee surgery at CHUGA with the useful indications : painful and disabling knee joint disease: traumatic arthritis or avascular necrosis, rheumatoid arthritis or post-traumatic arthritis, post-traumatic loss of the configuration and function of the knee joint, moderate deformities in varus, or valgus or flexion in ligamentous structures can find a function and a fracture of the distal femur and / or proximal tibia that can not be stabilized by standard fracture management techniques. - Social security affiliates or beneficiaries of a scheme Exclusion Criteria: - refusal of consent, - patient with a contraindication to prosthetic knee surgery: - any active or suspected latent infection in or around the knee joint, - remote foci of infection that can cause haematogenous spread on the implant site, - any mental or neuromuscular disorder that would create an unacceptable risk of instability of the prosthesis, - failure of prosthesis fixation or complications in postoperative care, - a bone stock compromised by a disease, - infection or anterior prosthetic implantation that can not provide adequate support and / or satisfactory fixation to the prosthesis, - skeletal immaturity, - severe instability of the knee joint secondary to the lack of integrity and function of the collateral ligament, - woman of childbearing age, - patient during the exclusion period of another study, - patient referred in Articles L1121-5 to L1121-8 of the Public Health Code |
Country | Name | City | State |
---|---|---|---|
France | University Grenoble Hospital | Échirolles |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Grenoble | Clinical Investigation Centre for Innovative Technology Network, Stryker European Operations BV |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Difference between the actual HKA angle obtained postoperatively and the planned HKA angle preoperatively. | HKA (Hip-Knee-Ankle). Angles in degrees are obtained from preoperative 3D scanner and postoperative 3D scanner on day 7. | 26 months | |
Secondary | To compare the mechanical axis between the conventional surgery group and the MAKO™ assisted surgery group. | Mechanical axis (in degree) evaluated from the post-operative 3D computed tomography on the day 7. | 26 months | |
Secondary | To compare, between the conventional surgery group and the MAKO™ assisted surgery group, the angles accuracy of inclination and rotation in the 3 planes of the space (frontal, sagittal and axial) to accomplish the preoperative planning. The accuracy | difference between the angles of inclination and rotation obtained postoperatively and the planned angles preoperatively, in the 3 planes of the space. The angles, in degree, are evaluated from 3D preoperative scan and postoperative 3D scan. | 26 months | |
Secondary | To compare the operative time between the conventional surgery group and the MAKO™ assisted surgery group. | Duration (in minutes) between the time of the last stitch and the time of the first incision. | 26 months | |
Secondary | To evaluate the conversion rate in conventional method for patients in the MAKO™ assisted surgery group. | Conversion number to conventional method. | 26 months | |
Secondary | To compare the blood loss during the procedure between the conventional surgery group and the MAKO™ assisted surgery group. | Blood loss in liter according to the BRECHER formula (see Appendix E). | 26 months | |
Secondary | To compare between the conventional surgery group and the MAKO™ assisted surgery group the time needed to reach the hospital discharge criteria. | Duration (in days) between the date of the surgery and the date on which the patient can ascend the stairs on one floor and walk 100 meters with a cane. | 26 months | |
Secondary | To compare the functional results between the conventional surgery group and the MAKO™ assisted surgery group. | KSS, KOOS and EQ5D-3L scores at inclusion, then at 3 months, 6 months, and 1 year postoperatively. | 26 months | |
Secondary | To compare intraoperative complication rates between the conventional surgery group and the MAKO™ assisted surgery group. | Number of intraoperative complications. The complications are classified according to the following classification: light grade 1; moderate level 2; severe grade 3. | 26 months | |
Secondary | To compare the results of early (<1 months) and late (= 1 month) postoperative consultations between the conventional surgery group and the MAKO™-assisted surgery group. | Number of early (<1 month) and late (= 1 month) postoperative complications. Complications are classified according to the following classification: mild grade 1; moderate level 2; severe grade 3 | 26 months | |
Secondary | To compare between the conventional surgery group and the MAKO™-assisted surgery group the operating times for surgical installation, bone preparation and implant placement. | for the surgical installation step: duration in minutes between the start of installation time (= end of anesthesia) and the time of first incision; for the bone preparation step: duration in minutes between the time of the first incision and the hour of end of extraction of the femoral sections; for the implant placement stage: duration in minutes between the start time of placement of the trial tibial implant and the time of the last stitch. |
26 months |
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