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Old 06-26-2008, 06:38 AM
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Default Total lumbar disc replacement in athletes: return to sport and athletic performance

From: PubMed. Eur Spine J. 2007 Jul;16(7):1001-13..

Total lumbar disc replacement in athletes: clinical results, return to sport and athletic performance
Siepe CJ, Wiechert K, Khattab MF, Korge A, Mayer HM.

Abstract
Despite the increasing popularity of total lumbar disc replacement (TDR) in predominantly young and active patients, no previous study has addressed possibilities, limitations and potential risks regarding athletic performance following TDR. Mechanical concerns remain and the implant's resilience as regards its load-bearing capacity during sporting activities is unknown. Thirty-nine athletic patients fulfilled the inclusion criteria for this study. These patients participated in a large variety of different types of sport. Significant and lasting pain-relief was attained following TDR with a mean follow-up of 26.3 months (range 9-50.7 months; FU rate 97.4%). Sporting activity was resumed within the first 3 months (38.5%) to 6 months (30.7%) with peak performance being reached after 5.2 months. Thirty-seven patients (94.9%) achieved resumption of sporting activity. Athletic performance improved significantly in 33 patients (84.6%). Minor subsidence was observed in 13 patients (30%) within the first 3 months with no further implant migration thereafter in 12 patients. Participation in all types of sport recorded in this study was accessible for a high rate of patients up to the level of professional athletes as well as those participating in extreme sports. Preoperative participation in sport proved to be a strong positive predictor for highly satisfactory postoperative outcome following TDR. In a selected group of patients, however, preoperative inability to participate in sporting activities did not impair postoperative physical activity. Due to the young age of the patients and significant load increase exerted during athletic activities, persisting concerns regarding the future behaviour of the implant remain and will require longer follow-up, modified investigation techniques and larger patient cohorts.

Keywords: total disc replacement; spine arthroplasty; sports; clinical results; prospective studies; LOW-BACK-PAIN; MINIMUM FOLLOW-UP; CHARITE(TM) ARTIFICIAL DISC; INTERVERTEBRAL DISC; FLEXION-EXTENSION; PRODISC-II; SPINE; MOTION; RANGE; ARTHROPLASTY
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