Interest Of Navigation Surgery In Total Knee Arthroplasty
Journal: International Journal of Scientific & Technology Research (Vol.3, No. 6)Publication Date: 2014-06-15
Authors : A. Benabdeslam; M. Khermaz; A. Lahlou; M. Mahfoud; Berrada; M. Elyaacoubi;
Page : 201-206
Keywords : Keywords Knee prosthesis; navigation; computer;
Abstract
Abstract The number of patients eligible for knee replacement has increased significantly in recent years and to the lengthening of life expectancy patient expectations in terms of longevity of the prosthesis and improve surgical outcomes are strong. Conventional instruments have been for years and still now a great help to position the best prostheses but studies show the pitfalls and shortcomings of these instruments default axis in the frontal sagittal or horizontal and failing to keep a ligament balance inflexion and extension. Surgical navigation can help control these parameters. There are navigation systems with preoperative imaging CT with other intraoperative imaging fluoronavigation and systems without preoperative or intraoperative imaging that are currently the most commonly used systems these are passive systems corresponding to akinematic model and palpation where the surgeon is master of his actions and decisions. The results of the series found in the literature are quite remarkable because it demonstrates an accuracy rate of implantation HKA180 plus or minus 3 between 92 and 100 with good management the ligament balance with the navigation system film. Unfortunately the high cost of these systems represents a brake on growth without government assistance or decreases their purchase price.
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