COMPARATIVE STUDY AN A SHORT TIME OF KNEE ARTHROPLASTY WITH NAVEGATED PROTHESIS (TRIATHLON) AND CONVENTIONAL (DURACON)
Keywords:
knee arthroplasty, rehabilitation, physioterapy.Abstract
Introduction: knee arthroplasty are nowadays one of surgical practices more consolidated and efficient in the orthopedic surgery being the results good and with few complications bringing back to the patients enough functional habilities to develop well in every day life activities. Technological development of nonavegated prothesis and the appearance of navegated make that surgical techniques were less bloody and more precise and if we add more durability of these implants, it makes this therapeutical option less limited. The objective of the present study is to value the morbility of the knee in a short period of time after the navigated knee arthroplasty versus conventional one. Material and method: analytic, prospective, longitudinal, experimental, not randomized controlled clinical essay, the re-presented sample by 46 patients that were subject to total knee arthroplastic surgery between January 2005 and December 2006, differentiating two groups: one with 25 patients with Duracon® arthroplasty (conventional) and another of 21 patients with Triathlon® arthroplasty (navigated), all of them underwent in Virgen de la Victoria Hospital and treated in the Physiotherapy Room of Marítimo Hospital, Torremolinos, until the end of treatment. To test the results were analized: general characteristics (age, sex), joint balance at the beginning of rehabilitation treatment, two weeks later and the end of treatment and muscular balance at the beginning and the end of treatment and complications. Inclusion criteria: total arthroplasty of primary knee, without previous surgery, diagnosed of knee arthro-sis, avascular necrosis, and rheumatoid arthritis. Results: the only stadistic difference we have found is flexion in the joint balance at the end of treatment in Favour of navigated prothesis (p < 0,05, with a confidence interval of –14,81; -3,64). However, in the rest of studied parameters included complications are similar in both groups. Conclusions: the navegated prothesis represents an increasing of articular balance in a short space of time in opposition to conventional ones.
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