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Does weight loss surgery in patients with morbid obesity prior to knee replacement surgery improve outcomes from knee replacement surgery
RCT involving patients who have severe knee osteoarthritis and have a body-mass index (BMI; the weight in kilograms divided by the square of the height in meters) of 45 to 60 and are randomly assigned to receive dietary and lifestyle counseling for 9 to 13 months followed by total knee replacement (control arm) or sleeve gastrectomy with dietary and lifestyle counseling for 9 to 13 months followed by total knee replacement (treatment arm).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Surgical weight loss | Experimental | sleeve gastrectomy + dietary and lifestyle counseling prior to total knee replacement |
|
| Standard of Care | No Intervention | dietary and lifestyle counseling prior to total knee replacement |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| bariatric surgery followed by total knee replacement | Procedure | The only intervention is the randomization of the priority of the 2 procedures. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Pain, mobility and quality of Life | Knee Injury and Osteoarthritis Outcome Score (KOOS4) | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| EuroQol Group 5-Dimension Self Report Questionnaire (EQ-5D) | assessing quality of life. | 1 year |
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Inclusion Criteria:
severe knee osteoarthritis body-mass index of 45 to 60
Exclusion Criteria:
previous total replacement of the same knee, a need for bilateral total knee replacement, and knee pain during the previous week that the patient rated at higher than 60 mm on a 100-mm visual-analogue scale. Also,prior bariatric or complex foregut surgery, significant cardiovascular, pulmonary, renal, liver, gastrointestinal, psychiatric disorders, pregnancy, malignancy within last 5 years, anemia, coagulopathy requiring anti-coagulation therapy.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nova Scotia Health | Recruiting | Halifax | Nova Scotia | B4E 0H4 | Canada |
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| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| D009767 | Obesity, Morbid |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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| D012216 |
| Rheumatic Diseases |
| D009765 | Obesity |
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |