http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
해리된 인공고관절 삽입물 주위 Pseudomembrane의 조직학적 소견 및 Electron microprobe analysis
노성만 ( Sung Man Rowe ),정상우 ( Sang Woo Juon ),윤택림 ( Taek Rim Yoon ),이재혁 ( Jae Hyuk Lee ) 대한고관절학회 1996 Hip and Pelvis Vol.8 No.1
To understand the histological characteristics of the pseudomembrane around the various loose hip prosthesis, the authors performed light microscopic, electron microscopic and immunohistochemical examination of the membrane obtained from the prosthesis-bone interface from the patients who urtderwent revision surgery after hip replacement. Electron microprobe analysis was done for accurate detectipn of the metal concentration released from the implants. Ten patiehts who had five different types of hip replacement were selected for this study. The five different types of hip replacement were selected for this study. The five different types of arthroplasty were ceramic hemiarthroplasty, bipolar hip arthroplasty, Charnley total hip arthroplasty, Ceramic total hip arthroplasty, and Cementless self-cutting titanium(CST) total hip arthroplasty. The common characteristic histologic finding was the presence of particulate implant material within the',membrane associated with a foreign body giant cell reaction. Multinucleated giant cells were mainly identified surrounding large particles, and the smaller fragments appeared within the cytoplasm. 'fhis particulate matter consisted of polyethylene, polymethylmethacrylate, ceramic and metal depending on the type of prosthesis used. Each different type of prosthesis produced different type of wear debris. Any of these substances in particulate form seemed to be associated with foreign body reactioni Polyethylene and polymethylmethacrylate particles seemed to cause more foreign body reaction than ceramic and metal particles. Immunohistochemical examination confirmed that the cellular response was achieved mainly by histiocytes. Electron microprobe analysis revealed that considerable amount of metal particles were released from the metal implants.
노성만 ( Sung Man Rowe ),윤택림 ( Taek Rim Yoon ),정성택 ( Sung Taek Jung ),이승기 ( Seung Gi Lee ) 대한고관절학회 1995 Hip and Pelvis Vol.7 No.2
Forty-eight acetabular revision surgeries which were performed for 23 years from 1973 to 1995 at Chonnam University Hospital were reviewed. The primary surgeries were metal and ceramic hemi-arthroplasty in 11 hips, bipolar hip arthroplasty in 2, total hip arthroplasty in 35. The revision of acetabulum were performed with spherical cup and bone graft in 23, acetabular reinforcement ring with hook and bone graft in 16, truncated cone with external thread in 6, and others in 3. Acetabular defects were segmental in 2, cavitary in 27 and combined in 19 cases. Failure of acetabular revision developed in 6 hips(13 percent):loosening and migration of CST(Cementless Selfcutting Titanium) components in 3 hips, hook failure of acetabular roof reinforcement ring in one, migration of bipolar cup in one, and delayed infection in one. The remaining 42 hips(87%) showed no evidence of acetabular component failure or loosening. In conclusion acetabular revision with mild or moderate bone deficiency of acetabulum could be managed satisfactorily with standard spherical acetabular component with or without bone graft. If bone deficiency is severe, satisfactory results can be obtained by reconstructing the acetabulum with Acetabular Roof Reinforcement Ring with hook.