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변인영(In-Young Byun),김진홍(Jin-Hong Kim),강상훈(Sang-Hoon Kang),김문기(Moon-Key Kim) 대한구강악안면외과학회 2011 대한구강악안면외과학회지 Vol.37 No.6
Malignant otitis externa (MOE) originates as inflammation of the epidermis in the external auditory canal, and spreads to the surrounding structures and neck, leading to abscess formation. MOE is associated with an immunosuppressive condition and diabetes. Patients with MOE suffer from otalgia, otorrhea and hearing loss. According to the literature, surgery to the temporomandibular joint is controversial as the treatment of choice.
악교정수술 골절단술시 컴퓨터 네비게이션 시스템의 이용: Technical Note
김문기,강상훈,최영수,김정인,변인영,박원서,이상휘,Kim, Moon-Key,Kang, Sang-Hoon,Choi, Young-Su,Kim, Jung-In,Byun, In-Young,Park, Won-Se,Lee, Sang-Hwy 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.3
Surgery with the computer navigation system can make it possible to identify important anatomical structures which are difficult to be confirmed with the naked eye in the operation, and has extended their applications in various surgical fields. The head and neck surgery especially requires detailed anatomical knowledges and these knowledges have influences on postoperative functions and esthetics of a patient. In the orthognathic surgery, we should take osteotomies in the precise locations of the jawbones and move segments to the intended positions. There are so many important anatomical structures around the osteotomy-sites in the orthognathic surgery that the prevention of damage to these structures to obtain satisfactory results without any complication. There are vessels of the pterygoid plexus posterior to the pterygoid plate in the maxilla and the mandibular nerve enters the mandibluar foramen in the mandibular ramus. These locations should be confirmed perioperatively to avoid any injury to these structures. The navigation-assisted surgery may be helpful for this purpose. We performed navigational orthognathic surgeries with preoperative CT images and obtained satisfactory results. The osteotomy was performed in the proper location and damaging the surrounding important anatomical structures was avoided by keeping the saw away from them with the real-time navigation. It may be required to develop proper devices and protocols for the navigation-assisted orthognathic surgery.
하악골 골절에 대한 수술 시 예방적 항생제 사용과 술후 항생제 투여의 효율성
강상훈(Sang-Hoon Kang),최영수(Young-Su Choi),변인영(In-Young Byun),김문기(Moon-Key Kim) 대한구강악안면외과학회 2009 대한구강악안면외과학회지 Vol.35 No.1
Purpose: This study compared the frequency of postoperative infections in patients for a closed mandibular fracture with that without the postoperative antibiotic prophylaxis. Patients and Methods: 48 patients without any specific medical history were divided into two groups depending on whether or not antibiotics had been applied after the surgery. The 24 patients in group 1 received only a second-generation cephalosporin (Cefotetan) intravenously from admission to immediate after the surgery. Likewise, 24 patients in group 2 received 1.0g of Cefotetan twice daily longer than the third day after surgery. The mean (SD) duration of antibiotics administration after surgery was 6.9 (±3.56). The patients were evaluated after surgery for any postoperative infections according to the criteria: purulent drainage from a wound, spontaneous wound dehiscence accompanied by swelling, pain, and fever around the wound. Results: Postoperative infections were encountered in 2 out of 24 patients in group 1, who received antibiotic medication until shortly after surgery, and in 3 out of the 24 patients in group 2, in whom the medication was continued even after the surgery. There was no sig nificant difference in the incidence of postoperative infections between the two groups. Conclusion: From this study, postoperative use of antibiotics seems to be unnecessary with view of the little significance of the factors that could affect the wound infection.