tailieunhanh - Báo cáo y học: "Dual energy x-ray absorptiometry analysis contributes to the prediction of hip osteoarthritis progression"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Dual energy x-ray absorptiometry analysis contributes to the prediction of hip osteoarthritis progression. | Available online http content 11 6 R162 Research article Dual energy x-ray absorptiometry analysis contributes to the prediction of hip osteoarthritis progression Martha C Castano Betancourt1 Jacqueline C Van der Linden1 Fernando Rivadeneira2 4 Rianne M Rozendaal3 Sita M Bierma Zeinstra3 Harrie Weinans1 and Jan H Waarsing1 Orthopaedic Research Laboratory Erasmus Medical Center Dr Mollewaterplein 50 3000 CA Rotterdam. The Netherlands 2Department of Internal Medicine Erasmus Medical Center Dr Mollewaterplein 50 3000 CA Rotterdam The Netherlands 3Department of General Practice Erasmus Medical Center Dr. Mollewaterplein 50 3000 CA Rotterdam The Netherlands 4Department of Epidemiology Erasmus Medical Center Dr. Mollewaterplein 50 3000 CA Rotterdam The Netherlands Corresponding author Jan H Waarsing Received 29 Jul 2009 Revisions requested 19 Aug 2009 Revisions received 28 Sep 2009 Accepted 2 Nov 2009 Published 2 Nov 2009 Arthritis Research Therapy 2009 11 R162 doi 86 ar2845 This article is online at http content 11 6 R162 2009 Castano Betancourt et al. licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Open Access Abstract Introduction To determine if structural bone parameters obtained from dual energy X-ray absorptiometry DXA contribute to the prediction of progression of hip osteoarthritis OA and to test if the difference between the most affected O A hip and the contralateral hip adds to this prediction. Methods The study group involves a prospective cohort of 189 patients that met the American College of Rheumatology ARC classification criteria for hip osteoarthritis. Progression was defined as 20 joint space narrowing or total hip replacement within a