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New-onset angina 군과 만성협심증군의 비교 관찰
조승연,박금수,정남식,장양수,심원흠,이웅구 대한내과학회 1986 대한내과학회지 Vol.31 No.2
Fifity-five patients with new-onset angina(duration of symptoms ?l month) and 80 patients with chronic angina(duration of symptoms $gt;3 month) were reviewed to determine the differences of anatomic coronary artery disease. None patients with significant coronary artery disease of the (diagnosed at cardiac catheterization) had a history of prior myocardial infarction or congestive heart failure. There were no significant differences in distribution of age and sex, risk factors and left venticular function between patients with new-onset angina and those with chronic angina. In patients with new-onset angina, there was a similar high incidence of single vessel disease(53%,vs 49%) and slightly lower incidence of triple vessel disease(16% vs 26%) compared with those with chronic angina, but their differences were not statistically significant. A similar predisposition for disease of the LAD (left anterior descending artery) was found. in both groups. Thus patients with new-onset angina apparently have no distinguishing coronary angiographic features as compared with those with chronic angina.
구강악안면 영역의 수술 시 악하 기관 삽관술의 유용성에 대한 임상적 고찰
김일규,장금수,최진호,오남식,류승현,김재우,정종권 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.2
It is hardto make a decision of what route we will select for endotracheal intubation at open reduction of oral and maxillofacial trauma. In the patients with fractures of multiple facial bones combined with fracture of crainal basal bone, intermaxillary fixtion makes oro-endotracheal intubation impossible. And the possibility of injury to the fracture site of crainal basal bone and the impossibility of reconstruction of naso-orbito-ethmoidal(NOE) complex fractures also make the naso-endotracheal intubation difficult. But it is not easy to select the tracheostomy because of its several complications and abhorrences. For above reson, Altermir introduced submental route for endotracheal intubation as new technique in 1986 and Green etc. modified this technique in 1996. The purpose of this article is to evaluate the efficiency of submental route for endotracheal intubation after experience of 10-clinical cases for variable reasons with review of articles.
구강 악안면 영역의 생체 흡수성 고정판 사용에 관한 임상 연구
김일규,박승훈,장금수,양정은,장재원,사시카라 바라라만,Kim, Il-Kyu,Park, Seung-Hoon,Jang, Keum-Soo,Yang, Jung-Eun,Jang, Jae-Won,Sasikala, Balaraman 대한구강악안면외과학회 2009 대한구강악안면외과학회지 Vol.35 No.6
Metallic bone plates and screws have been commonly used in oral and maxillofacial surgery for internal fixation. However, there are several disadvantages such as atrophy of cortical bone inherent to excessive rigid fixation systems, growth disturbance in growing individual, allergy reaction, interference with radiographic imaging, palpability, thermal sensitibity and the need for subsequent removal. To overcome these disadvantages and avoid additional surgery of removal of plates and screws, there have been many studies of biodegradable plates and screws. But, It also has complication such as foreign body reactions. We have undertaken a clinical and retrospective study on 140 patients in Dept. of Oral and Maxillofacial Surgery, Inha University Hospital from February 2006 to March 2009. The purpose of this study is to report the clinical cases and review of the literatures with biodegradable plates and screws. And we concluded following results. 1. 6 cases(3.4%) of the 177 operation sites(140 patients) experienced complications. 1 case(0.6%) was a failure of initial fixation, 1 case(0.6%) was a postoperative infection, 4 cases(2.3%) were inflammations or foreign body reaction. 2. Postoperative infections, inflammations and foreign body reactions were completely recovered with incision and drainage, supporative care with antibiotic coverage and removal of biodegradable plates. 3. Biodegradable plates and screws provide acceptable rigidity and stability clinically. But, long-term observation is required for the tissue reactions around the biodegradable plates and screws because of long resorption periods of the biodegradable materials.
토끼 경골에서 치과용 임프란트의 이중 산부식 및 양극 산화 표면처리에 따른 조직계측학적 연구
한예숙,김일규,장금수,박태환,전원,Han, Ye-Sook,Kim, Il-Kyu,Chang, Keum-Soo,Park, Tae-Hwan,Jeon, Won 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.5
This study was performed to evaluate the effects of three different implant surface treatments to the bone formation during osseous healing period under unloading conditions. Machined, double-acid etched and anodic oxidized implants were inserted into tibia of 3.0 - 3.5 kg NZ white male rabbits and 2 animals of each group were sacrificed at 2, 4 and 8 weeks. The specimens containing implant was dehydrated and embedded into hard methylmethacrylate plastic. After grinding to $50{\mu}m$, the specimens were stained with Villanueva bone stain. From each specimen, histomorphometric evaluation and the bone implant contact rate were analysed with optical microscope. The results were as follows; 1. In the scanning electronic microscopic examination, machined surface implant had several shallow and paralleled scratches on plain surface, double acid-etched implant had lots of minute wrinkles, rough valley and also irregularly located craters that looked like waves, anodic oxidized surface implant had porosity that minute holes were wholly distributed on the surface. 2. After 2 weeks of implantation, the percentages of bone-to-implant contact in the machined implant, double acid-etched implant and anodic oxidized implant were 26.85%, 62.64% and 59.82%, after 4 weeks of implantation they were 64.29%, 77.85% and 75.23%, and after 8 weeks they were 82.66%, 85.34% and 86.39%. 3. After 2 weeks of implantation, the percentages of bone area between threads in the machined implant, double acid-etched implant and anodic oxidized implant were 21.55%, 42.81%, and 40.33%, after 4 weeks of implantation they were 49.32%, 62.60% and 75.56%, and after 8 weeks they were 71.62%, 87.73% and 83.94%. In summary, percentages of implant surface contacted to bone trabeculae and bone formation area inside threads in double acid-etched implants and anodic oxidized implants were greater than machined implants in early healing stage. These results suggest that double acid-etched and anodic oxidized surface implants could reduce the healing period for osseointegration and may enable to do early function.