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척골 주두골절에 대한 금속판 내고정술 및 장력대 강선 고정술
박종혁,이준모 대한골절학회 1996 대한골절학회지 Vol.9 No.3
Fractures of the olecranon of ulna are caused by a number of different mechanisms including a direct blow, a fall on the stretched hand with the elbow in flexion leading to an avulsion fracture by the contracture of the stretched, and by higher energy trauma. Olecranon fractures are intraanicular and frequently unable to manage by manipulation, therefore an open reduction and internal fixation procedure is usually indicated. Authors have experienced and compared the results of 21 cases who were treated by plating and tension-band wiring technique from March l989 through February 1996 at the Department of Orthopedic Surgery, Chonbuk National University Hospital. The results were as follows, 1. Fractures treated by plating were type II. C comminuted fractures(6 cases, 28%), type ll. D fracture/dislocations(2 cases, 10%) and type II. B transverse and oblique fractures(2 cases, 10%) in Colton's classification. 2. Plating was the preferred technique for the type II. C and II. D fractures which need autogenous iliac cancellous bone grafting and early active rehabilitation. 3. All of 21 cases were followed up for more than 15 months after surgery and showed good and excellent results according to Weseley's crileria. 4. In tension-band wiring, olecranon bursitis was occurred in 1 case.
Analysis of Associating Radiologic Parameters With Clinical Outcomes After Posterior C1–2 Fusion
박종혁,김종태,김일섭,홍재택 대한척추신경외과학회 2022 Neurospine Vol.19 No.2
Objective: To evaluate which radiologic parameters affect clinical outcomes in patients underwent posterior C1–2 fusion for atlantoaxial dislocation. Methods: From January 2014 to December 2017, among 98 patients underwent C1–2 posterior fusion, patients with previous cervical surgery or extending to subaxial spine or basilar invagination were excluded. Finally, 38 patients were included. O–C2, C1–2, C1–C7, C2–C7 cobb angle (CA), T1 slope, C1–7, C2–7 sagittal vertical axis (SVA), and posterior atlantodental interval (PADI) were measured at preoperative and postoperative 1 year. The difference between postoperative and preoperative values for each parameter was designated as Δvalue. Postoperative subaxial kyphosis (PSK) was defined to decrease ≥ 10° at subaxial spine. Visual analogue scale (VAS), Japanese Orthopedic Association (JOA) score, Neck Disability Index (NDI) were used to evaluate clinical outcomes. Results: Mean age was 54.4 ± 15.9. Male to female was 14 to 24. Of radiologic parameters, C1–7 SVA and PADI were significantly changed from 26.4 ± 12.9 mm, 17.1 ± 3.3 mm to 22.6 ± 13.0 mm, 21.6 ± 3.4 mm. ΔC1–2 CA was correlated with ΔC1–7 CA and ΔC2–7 SVA. ΔPADI correlates with ΔO–C2 CA. VAS correlates with ΔC1–7 CA (p = 0.03). JOA score also correlates with ΔC2–7 SVA (p = 0.02). NDI was associated with ΔPADI (p < 0.01). The incidence of PSK was 23.7%, and not significant with clinical outcomes. Conclusion: ΔC1–2 CA was correlated with ΔC1C7 CA, ΔC2–7 SVA. ΔC1–7 CA, ΔC2–7 SVA, and ΔPADI were the key radiologic parameters to influence clinical outcomes. Postoperative C1–2 angle should be carefully determined as a factor affecting clinical outcomes and cervical sagittal alignment.
박종혁,조대영,김성진,이승철,원영호,전인기 ( Jong Hyuk Park,Dae Young Cho,Seong Jin Kim,Seung Chul Lee,Young Ho Won,Inn Ki Chun ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.6
The pathogenesis of systemic lupus erythematosus (SLE) appears to be multifactorial, including both genetic and environmental influences. The genetic factor of SLE is well known to have an important role in the pathogenesis based on epidemiological analysis and studies of monozygotic twins. The disease occur. more commonly in first degree relatives and may affect multiple persons in single families. We report a family in which two sisters developed systernic lupus erythematosus. The clinical, laboratory and histopat,hological findings showed characteristic features of systemic lupus erythematosus. HLA testing revealed that the two sisters shared common HLA-DR15(2)and HLA-A2. (Korean J Dermatol 1997;35(6): 1220-1224)
박종혁,Park, Jong-Hyeok 한국항공우주산업진흥협회 2006 航空宇宙 Vol.91 No.-
어느 나라에서든지 항공기를 운용하려면 그 나라 항공당국의 관리와 감독을 받아야 한다. 이러한 관리와 감독은 공공의 안전을 위하여 국가기관인 항공당국에서 법적으로 위임받아 수행하는 것이다. 우리나라의 경우 건설교통부산하 항공안전본부와 지방항공청에서 그 기능을 담당한다. 이러한 관리와 감독은 주로 항공기, 항공종사자, 운항조직, 정비조직 등을 대상으로 이루어지며 등록, 제증명, 면허 등과 같은 증명활동, 감독활동, 위반 사항에 대한 법적 제재 등과 같은 수단을 통해 이루어진다. 따라서 항공기를 도입하여 운항하려는 자는 사업계획 단계에서부터 우리나라의 항공안전 관리감독과 관련된 제반 법규와 절차를 사전에 충분히 이해하고 대비하여야 시행착오를 줄이고 시간과 금전적인 손실을 예비할 수 있을 것이다. 여기에선 항공기에 국한하여 항공기 도입과 관련된 항공기 인증제도와 그에 따른 법절차에 대해 설명하고자 한다.