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견관절 통증을 동반한 편마비 환자의 자기 공명 관절 조영술 소견
홍진영,전포성,손영근,최현욱,이지형,강승훈,김인택 대한재활의학회 2008 Annals of Rehabilitation Medicine Vol.32 No.6
Objective: To identify the etiology of hemiplegic shoulder pain by magnetic resonance (MR) arthrography.Method: The study included seventy-four hemiplegic patients with shoulder pain. After several physical examinations, all patients had fluoroscopically guided injection by a physiatrist with a maximum of 12∼15 ml of contrast agent. Then T1-weighted, T2-weighted and fat-suppressed T1-weighted images were taken at the oblique coronal plane. In addition, fat-suppressed T1-weighted images were obtained at the oblique sagittal and oblique coronal plane. Results: Except for the 9 patients who did not finish the study, the mean age of the participants was 61.5±8.9 years and mean duration of the cerebrovascular accident (CVA) was 15.7±9.7 weeks. The findings were as follows: 40% supraspinatus tendinitis, 30.8% superior labrum anterior to posterior (SLAP) lesion, 29.2% adhesive capsulitis, 24.6% supraspinatus partial tear, 23.1% biceps tendinitis, 13.8% supraspinatus full thickness tear, 7.7% infraspinatus partial tear. The SLAP lesion had significant statistic relationship with biceps tendinitis (p<0.05) but not with rotator cuff lesion. Conclusion: We found that causes of hemiplegic shoulder pain were various. The prevalence of the SLAP lesion was high (30.8%). We recommend the MR arthrography when the hemiplegic shoulder pain does not improve by conventional therapy or the cause of the pain is uncertain.
전유종,박연흠,이영관,김동규,손영근 성균관대학교 기초과학연구소 1994 論文集 Vol.45 No.2
일반적으로 전도성 고분자는 그 기계적 성질이 취약하여 실제 실용계에 많이 응용되지 못하고 있다. 이를 극복하기 위한 한 방법으로 가공성이 좋은 매트릭스 고분자의 물성을 이용하는 방법이 있다. 본 연구에서는 물성이 좋은 PVC와 전도성이 좋은 폴리피롤의 공중합체를 제조, 이용하기 위한 방법의 첫 번째 시도로 PVC의 염소위치에 피롤을 치환시켜 PVC와 물성이 유사한 전도성 공중합체의 전구체를 합성하고자 하였다. 여러 분광학적인 자료들을 분석한 결과 PVC의 단량체 27개마다 한 개의 피롤이 치환된 것으로 나타났다. In order to enhance mechanical property of conducting polymers, a polymeric precursor which will be used for preparing PVC-PPy graft grft copolymer was synthesize. PVC was adopted for the matrix material of the system. Chlorine sites were substituted by pyrrole using potassium pyrrole in THF solvent. Spectroscopic analysis of the final product indicated that every 27 monomer unit of PVC has one pyrrole unit.