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주진후,김정현,김동철,황성진 大韓成形外科學會 1994 Archives of Plastic Surgery Vol.21 No.2
Pressure sores are common in patients with reduced sensibility and imparied mobility. as in cases of central nervous system injuries. Old age and malnutrition are contributiong factors in the etiology of sores. In extensive cases, pressures sores became the object of surgical treatment, with excision of the sore and closure by various surgical procedures. Recently, myocutaneous flaps are freuqently used for more padding in order to reduce the frequency of recurrent pressure sores. We reviewed and analysed the 58 operated cases of 41 patients at Hangang Sacred Heart Hospital during last 7 years, and recurrence rate of sacral sore according to operative methods were investigated in 19 patients over 1 year follow up. The results were summarized s follows: 1. Male patients were 3 times more than females, and third decade (35.6%) was the most prevalent age group. Frequency of predisposing causes were central nerve injury(48.8%), CO intoxication(19.5%) and burn (12.2%) in order. 2. Frequency of prevalent site was sacrum(58.6%), trochanter(12.1%(, heel(10.3%), occiput(3.4%), ischium(1.7%), and most of pressure sores were developed before two months after predisposing injuries. 3. 4patients(21.5%) were recurred in 19 sacral sore patients in follow up over than 1 year. Recurrence rates according to operative method were myocutaneous flap, 16.7%, and skin flap, 28.6% and primary closure 33.3%.
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황원형,주진후,유현규,민석원 순천향대학교 부설 산업기술연구소 2020 순천향 산업기술연구소논문집 Vol.26 No.1
70% of all accidents on our nation's processing transmission lines are caused by lightning. In order to reduce the damage in electrical power system caused by lightning, we studied reduction methods of transient overvoltage by using EMTP-RV. Fisrt, construct a simple transmissiom lines. Then make a comparison among whether ZnO arrester existence or not, magnitude of ground resistance and abnormal voltage size on the bus2 according to the conditions of wave front time. If lighting surge comes into the electrical power system which have ZnO arrester, it is smaller around 7.5 times abnormal voltage than others which haven't ZnO arrester. Also if lighting surge comes into processing transmission lines, it is smaller around 6.8 times than comes into Phase A directly. As a result, the smaller magnitude of ground resistance induce the smaller maximum voltage at tower and bigger wave front time induce smaller maximum voltage even though the change is minimal.
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김동철,주진후,김정현,황성진,오석준,김일동 大韓成形外科學會 1993 Archives of Plastic Surgery Vol.20 No.2
The surgery of chin has the special role in plastic surgery because of its importance in facial aesthetics in consideration of asymmetry, unbalance and disharmony. The genioplasty has developed rapidly and remarkably since the first description by Hofer in 1942, and is performed more frequently and effectively in various fashions. From April 1984 to April 1992, we have performed 9 cases of osseous genioplasties successfully. We summarized the cases and the results were evaluated based on the consideration of the deformity by means of radiology, photography and close discussion with the patients. The results were summarized as follows : 1) The mean age of the patients was 23.8 years old, and female was 1.25 times more than male. 2) The types of the chin deformities included two microgenias, three deviated chins and two microgenias accompanying deviated chin and two macrogenias. 3) The procedures were done with intraoral approach, and in some cases, the iliac bone onlay graft were done. 4) With follow up studies over than 1 year, the x-ray examinations revealed no gross resorption of the bony fragments. And the patients were satisfied with the result.
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장영철,김동철,박배근,주진후,김희석 大韓成形外科學會 1995 Archives of Plastic Surgery Vol.22 No.4
The goal of reconstruction of diffuse hypertrophic scars on the lower cheek, anterior neck, and mental area is to achieve similar skin color, thickness, texture and cervico-mental angle. In this point of view, tissue expansion is a widely used clinical technique, providing localized donor tissue for reconstructive surgery of the lower face and neck. We had experiences of 25 tissue expansions to a series of 20 patients, and here we described several representative cases with their problems and solutions explained. Solutions obtaining good functional and aesthetic results are as follows; 1) Single or double back-cut was made for advancement of expanded cervical flap avoiding tension and cervico-mental blunting. 2) In the reconstruction of lower lip, the traction of expanded cervical flap was done by circumferential wiring for prevention of lip eversion. 3) Difficulties in the cervical expansion, both supraclavicular flaps were expanded for donor sites. 4) Safe saline inflation through external position of port was achieved without fear of injection in children.
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