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김재승,민병일 단국대학교 치의학연구소 1989 논문집 Vol.1 No.-
Among the surgical managements of injured parotid duct, the end-to-end anastomosis of the parotid duct is the most advocating method. But, occasionally the situation arises, where it is necessary to replace a length of the parotid duct because of partial defect. This experimental study was carried out to assess the feasibility of using a free, autogenous, vein graft and submandibular duct graft to replace a short length of the parotid duct in comparision with the parotid duct re-anastomosis and intraoral cannulation. The study was carried out in 10 male mongrel dogs. The parotid duct re-anastomosis, autogenous vein graft, submandibular duct graft, and intraoral cannulation wer done to restore the continuity of partially excised segments of parotid ducts. And their subsequent fates for up to 12 weeks were studied macroscopically, radiologically, and histologically. And the results were as follows: 1. The parotid ducts in which the excised segments of the ducts were re-anastomosed, showed mildly atrophic ductal epithelia, moderate stricture at the anastomosis sites and mild dilation of the proximal duct, but the patency of the parotid ducts and salivary secretion were maintained. The parotid glands showed local and minimal atrophic changes. 2. In the parotid ducts which autogenous vein grafts were applied to , the lumens of veins were obliterated by fibrosis and scar formation. The patency of the parotid ducts and salivary secretion were not maintained. The proximal ducts were severely dilated and the parotid glands showed severe atrophic changes. 3. The parotid ducts which autogenous submandibular ducts were grafted in, showed normal appearance but mildly atropic ductal epithelia. The patency of the parotid ducts and salivary secretion were maintained weel. The parotid glands and the submandibular glands of which ducts were excised, had normal microscopic findings. 4. In the parotid ducts which intraoral cannulations were applied to only with polyethylene catheters, the proximal ducts were seperated from the distal duct by fibrous tissue due to contracture of surrounding tissue, and severely dilated. The patency and salivary secretion were not maintained. The parotid galnds showed severe atrophic changes.
김재승,Umirzakova Sabina,황보택근 차세대컨버전스정보서비스학회 2019 차세대컨버전스정보서비스기술논문지 Vol.8 No.1
In this paper, we propose a model that can automatically analyze the degree of left / right symmetry of the face and both arms. The proposed model analyzes the patient's facial image and motion video of the arm to determine whether it is an early symptom of stroke and provides this information to the physician to assist in the diagnosis of stroke requiring quick judgment. The results of experiments on 100 subjects showed detection accuracy of more than 90% 본 논문에서는 초기 뇌졸중 증상을 판단하기 위하여 얼굴의 좌/우 대칭 정도와 양 팔의 움직임을 시진 정보를 통하여 자동으로 분석할 수 있는 모델을 제안한다. 본 논문에서 제안하는 모델은 환자의 얼굴 영상과 팔의 움직임 동영상을 분석하여 뇌졸중 초기 증상 여부를 판단하고 의사에게 이러한 정보를 제공 하여 빠른 판단이 필요한 뇌졸중 진단에 보조적인 도움을 줄 수 있으며, 뇌졸중 환자 100명을 대상으로 한 실험 결과 90%이상의 검출 정확도를 보였다.