PURPOSE: The aim of this study was to evaluate the clinical results of a new distraction arthroplasty device when used in conjunction with a bone marrow-stimulating technique for the treatment of osteoarthritis of the knee. METHODS: We developed a new distraction arthroplasty device that allows continuous joint movement. We compared preoperative and postoperative findings for 6 knees (6 patients; age range, 42 to 58 years). The fixation period for the distraction device ranged from 7 to 13 weeks, and the follow-up period ranged from 1 to 3.5 years. RESULTS: The Japanese Orthopaedic Association knee score, range of motion, and joint space values were significantly improved in all cases at the latest follow-up (P < .05). Scores on a visual analog pain scale were also significantly improved (P < .05). CONCLUSIONS: We conclude that treatment using this new arthroplasty device in combination with a bone marrow-stimulating method was effective for osteoarthritic knees in middle-aged patients. LEVEL OF EVIDENCE: Level IV, therapeutic case series.
PURPOSE: The aim of this study was to evaluate the clinical results of a new distraction arthroplasty device when used in conjunction with a bone marrow-stimulating technique for the treatment of osteoarthritis of the knee. METHODS: We developed a new distraction arthroplasty device that allows continuous joint movement. We compared preoperative and postoperative findings for 6 knees (6 patients; age range, 42 to 58 years). The fixation period for the distraction device ranged from 7 to 13 weeks, and the follow-up period ranged from 1 to 3.5 years. RESULTS: The Japanese Orthopaedic Association knee score, range of motion, and joint space values were significantly improved in all cases at the latest follow-up (P < .05). Scores on a visual analog pain scale were also significantly improved (P < .05). CONCLUSIONS: We conclude that treatment using this new arthroplasty device in combination with a bone marrow-stimulating method was effective for osteoarthritic knees in middle-aged patients. LEVEL OF EVIDENCE: Level IV, therapeutic case series.
Authors: Jan-Ton A D van der Woude; Karen Wiegant; Peter M van Roermund; Femke Intema; Roel J H Custers; Felix Eckstein; Jaap M van Laar; Simon C Mastbergen; Floris P J G Lafeber Journal: Cartilage Date: 2016-08-26 Impact factor: 4.634
Authors: J A D van der Woude; K Wiegant; R J van Heerwaarden; S Spruijt; P M van Roermund; R J H Custers; S C Mastbergen; F P J G Lafeber Journal: Knee Surg Sports Traumatol Arthrosc Date: 2016-04-22 Impact factor: 4.342