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견봉 쇄골 관절 병변에 대한 관절경 보조 하 원위 쇄골 en bloc 절제술
박태수(Tae-Soo Park),이광현(Kwang-Hyun Lee),박기철(Kee-Chul Park),조재림(Jae-Lim Cho) 대한정형외과학회 2005 대한정형외과학회지 Vol.40 No.7
목적: 회전근 개 병변이 동반된 견봉 쇄골 관절 병변에 대하여 관절경 보조하에 수술을 시행한 후 그 임상 결과를 알아보고자 하였다. 대상 및 방법: 회전근 개 병변이 동반된 견봉 쇄골 관절 병변의 치료로써 관절경 보조 하에 피부 소절개를 이용한 원위 쇄골 en bloc 절제술 및 관절경적 견봉 성형술을 시행한 18예를 대상으로 하였으며, 견봉 쇄골 관절은 모두 골 관절염 소견을 보였다. 수술당시 평균 나이는 56세였다. 평균 추시 기간은 1년 10개월이었으며, 임상적 결과 판정은 UCLA 견관절 평가지수를 이용하였다. 결과: 동통 지수는 수술 전 2.1±1.1에서 수술 후 9.2±1.0으로, 기능지수는 4.2±1.7에서 9.4±0.9로, 능동적 전방 굴곡은 3.7±0.5에서 5로, 근력 지수는 4.0±0.9에서 4.9±0.2로 각각 증가하였다. 추시 방사선 사진상 모든 예에서 이소골 형성이나 부적절한 골 절제로 인한 잔여 골편의 존재, 그리고 원위 쇄골의 상방 전위 등은 발생하지 않았다. 결론: 관절경 보조 하에 시행한 원위 쇄골의 en bloc 절제술 및 견봉 성형술은 증상이 동반된 견봉 쇄골 관절 병변 및 회전 근개 병변에 대하여 만족스러운 치료 결과를 나타내었기에 권장할 만한 술식으로 사료된다. Purpose: To evaluate the clinical results of arthroscopically assisted operation of the acromioclavicluar joint lesion with the rotator cuff lesion. Materials and Methods: We evaluated the clinical results in eighteen consecutive patients with osteoarthritis of the acromioclavicular joint and rotator cuff lesion, who were treated arthroscopically assisteded en bloc resection of the distal clavicle and arthroscopic acromioplasty. The average age of the patients at the time of operation was fifty six years. The average duration of follow-up was one year and ten months. The UCLA shoulder rating scale was used to evaluate the clinical results. Results: Pain score was improved from 2.1±1.1 preoperatively to 9.2±1.0 postoperatively. Function score was improved from 4.2±1.7 to 9.4±0.9, active forward flexion score, from 3.7±0.5 to 5 and strength score, from 4.0±0.9 to 4.9±0.2. On follow-up radiographic examination, there was no specific complication, including heterotopic ossification, remnant bony fragment of distal clavicle, and superior migration of the clavicle. Conclusion: It is considered that arthroscopically assisted en bloc resection of the distal clavicle and acromioplasty is recommendable method for symptomatic acromioclavicular joint lesion and rotator cuff lesion, which could get the satisfactory clinical results.
김영석,박기철 대한금속재료학회(대한금속학회) 1994 대한금속·재료학회지 Vol.32 No.1
Recently the plane strain stretching test called RIST-PSST has been developed as a formability test designed for the sheet material industry. To evaluate the stability of the RIST-PSST against several noise factors such as specimen size, specimen surface condition, test speed and blank holding force, Taguchi's orthogonalarray experiments for the RIST-PSST were carried out and the result was compared to the case of hemispherical punch stretching test known as the limiting dome height test (LDH test). Results showed that the RIST-PSST was more stable than the LDH test for each noise factor. Moreover specimen surface preparation was very important factor on the LDH but the RIST-PSST was not affected largely by surface state of specimen. Therefore due to its simplicity of the test procedure the RIST-PSST can be used easily as a robust testing method to evaluate the press formability of sheet materials in sheet making plant and also to monitor the incoming material in stamping plant.