Comparative Outcomes Between Image-based Versus Imageless Robot-assisted Unicondylar Knee Arthroplasty

Ramathibodi Hospital33 enrolled

Overview

This prospective cohort study was conducted with the aim of comparing relevant clinical outcomes which included intra (surgical time and blood loss), post-operative outcomes (range of motion, function, complications and revisions) and return to activity between imageless and image-based surgical system in medial unicondylar knee arthroplasty

this prospective cohort study was conducted between 1st June 2015 and 1st July 2018 at Bhumibol Adulyadej Hospital, Bangkok, Thailand. A total of 33 medial compartment OA knee patients were randomly allocated to MAKO or NAVIO robotic assisted UKA. The outcomes assessed were intra-operative outcomes (operative time, blood loss) and postoperative outcomes (function, complications and revision) at 1 year after surgery.

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Osteoarthritis, Knee Arthropathy of Knee

Interventions

MAKO assisted unicondylar knee arthroplastyPROCEDURE

MAKO assisted

NAVIO assisted unicondylar knee arthroplastyPROCEDURE

NAVIO assisted

Eligibility

Sex: ALL

Medical Language ↔ Plain English

Inclusion Criteria: * patients were those deemed suitable for unicondylar knee arthroplasty surgery * patients who could give informed consent * patients who willing to attend the prescribed follow-up. Exclusion Criteria: * Patients who have medial osteoarthritis knee with following condition: 1. Ligament insufficiency (anterior cruciate ligament rupture, collateral ligament insufficiency). 2. Inflammatory arthritis 3. A deformity requiring augmentation 4. Neurological movement disorders 5. pathology of the feet, ankles, hips, or opposite knee causing significant pain or gait alterations * Patients who ultimately required a total knee arthroplasty (valgus greater than 14 degree, multiple compartment osteoarthritis were contraindications to unicondylar knee arthroplasty.

Outcomes

Primary Outcomes

operative time

operative time in minutes the higher value of blood loss is worse outcome

Time frame: 1 day

calculated total blood loss

total blood loss which was calculated using a formula based on patient blood volume and a decrease in hemoglobin

Time frame: 1 day

Secondary Outcomes

post operative complications

post operative complications included infection, wound complication, stiffness and revision. the higher number of post operative outcome is the worse outcomes

Time frame: 12 months

Data from ClinicalTrials.gov

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