tailieunhanh - Báo cáo y học: "Mechanical effects of surgical procedures on osteochondral grafts elucidated by osmotic loading and real-time ultrasound"

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: Mechanical effects of surgical procedures on osteochondral grafts elucidated by osmotic loading and real-time ultrasound. | Available online http content 11 5 R134 Open Access Research article Mechanical effects of surgical procedures on osteochondral grafts elucidated by osmotic loading and real-time ultrasound Koji Hattori1-2 Kota Uematsu2 Tomohiro Matsumoto1 and Hajime Ohgushi1 Research Institute for Cell Engineering National Institute of Advanced Industrial Science and Technology 3-11-46 Nakoji Amagasaki Hyogo 6610974 Japan 2Department of Orthopaedic Surgery Nara Medical University 840 Shijyo-cho Kashihara Nara 634-8522 Japan Corresponding author Koji Hattori koji-hattori@ Received 19 May 2009 Revisions requested 7 Jul 2009 Revisions received 3 Aug 2009 Accepted 2 Sep 2009 Published 2 Sep 2009 Arthritis Research Therapy 2009 11 R134 doi 86 ar2801 This article is online at http content 11 5 R134 2009 Hattori 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. Abstract Introduction Osteochondral grafts have become popular for treating small isolated and full-thickness cartilage lesions. It is recommended that a slightly oversized rather than an exactsized osteochondral plug is transplanted to achieve a tight fit. Consequently impacting forces are required to insert the osteochondral plug into the recipient site. However it remains controversial whether these impacting forces affect the biomechanical condition of the grafted articular cartilage. The present study aimed to investigate the mechanical effects of osteochondral plug implantation using osmotic loading and realtime ultrasound. Methods A full-thickness cylindrical osteochondral defect diameter mm depth 5 mm was created in the lateral lower quarter of the patella. Using graft-harvesting instruments an osteochondral .

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