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위 십이지장 내압검사상 동시성 반복성 수축을 보인 되새김 증후군 1 예
류권호(Kwon Ho Ryu),이준성(Joon Seong Lee),임희혁(Hee Hyuk Lim),유창범(Chang Bum Yoo),김진오(Jin Oh Kim),조주영(Joo Young Cho),이문성(Moon Sung Lee),심찬섭(Chan Sup Shim),김부성(Boo Sung Kim) 대한소화기기능성질환·운동학회 2001 Journal of Neurogastroenterology and Motility (JNM Vol.7 No.2
Rumination syndrome is defined as a regurgitation of recently ingested food into the mouth with subsequent remastication and reswallowing or spitting out, and absence of structural disease. This is infrequent in adults of normal mental capacity. The true prevalence of rumination syndrome is unknown because few people have medical attention and most of physicians do not recognize this syndrome as a disease. Upper gastrointestinal manometry has been reported to show a characteristic pattern that confirms the diagnosis, namely, the occurrence of synchronous pressure spikes termed R waves at all levels in the stomach and small intestine. We assessed a 49-year-old male patient who complained of frequent effortless regurgitation of food. Ambulatory short-segment antroduodenal manometry with pH-metry showed simultaneous repeatetive contractions in all segments associated with regurgitation. (Korean Journal of Gastrointestinal Motility 2001;7:239-244)
진상문(Sang Mun Jin),양유창(Yoo Chang Yang),금영범(Young Bum Kum),이종현(Jong Hyun Lee),김세훈(Sae Hoon Kim) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The next generation bipolar plates for 100㎾ fuel cell stacks were developed with a concept based on the straight flow patterns to minimize the pressure drop, decrease flooding in the bipolar plate and maximize the stack power simultaneously. Cell performance tests, pressure and temperature distribution measurements were performed for various flow pattern combinations on the air, H2 and coolant sides. Results show that the stack performance and the power are increased by 12% and 400/0, respectively.
이종현(Lee, Jong-Hyun),금영범(Kum, Young-Bum),양유창(Yang, Yoo-Chang),김세훈(Kim, Sae-Hoon) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
Hyundai{cdot}Kia Motors have developed PEMFC stack technologies for passenger car application in 1998. The developed 80kW class stack, which was installed Kia's Sportage FCV in 2005, has been modified for -10?C cold start-up and ensuring the stability and durability by using new technologies such as newly designed separator, manifold block, end plate, and so on. And also, the stack durability has been verified over 1,500hrs with the condition of combined vehicle driving mode. Hyundai{cdot}Kia Motors will keep continuing the stack R&D to reach the goal of FCV commercialization.
조기위암 및 위 편평선종의 내시경적 점막 절제술 및 장기 추적 관찰에 관한 연구
김진오,이문성,고봉민,이준성,심찬섭,천영국,유창범,조주영 대한소화기내시경학회 2000 Clinical Endoscopy Vol.21 No.6
Background/Aims: Endoscopic mucosal resection (EMR) of early gastric cancer (EGC) or gastric flat adenoma bas been widely accepted as a useful method due to its minima1 invasiveness and satisfactory post-procedure results in maintaining a good quality of life for patients. The purpos is to define the long-term effect and usefulness of EMR of EGC and gastric flat adenoma. Methods: We analysed, retrospectively, 101 lesions in 96 cases that could be followed-up were analyzed, Endoscopic surveillance with histological examination was carried out every three months for one year after the treatment, every six months for the second year, and annually thereafter. Results: 1) The mean follow-up period was 17.7 months (1∼78). 2) Of the 101 lesions, there were 6 recurrences (5.9%), the mean period was 17.3 months (2∼37). One of 28 EGC, five of 73 gastric flat adenoma showed recurrence. 3) The recurrence rate tended to be higher in as the size inereased (p=0.06), In the lesions which were resected by planned piecemeal,0% of those lesions recurred (4/40), whiie 3.3% (2/61) of those lesions rccurred in which lesions were resected en bloc (p=0.21). 4) With respect to location of the primary lesions, the recurrence rate was higher in the lesions of the cardia (50%, p<0.05). Conclusions: We concluded that the size and location of the lesions were related to recurrence after EMR, but sex, pathology, and resection methods were not related.
김진오,이문성,이준성,진소영,차상우,심찬섭,유창범,조주영,정인섭,천갑진 대한소화기내시경학회 2000 Clinical Endoscopy Vol.21 No.6
A squamous cell papilloma of esophagus is regarded as a rare tumor, and one of the distal esophagus is known to be not changed into a malignant neoplasm although squamous papilloma of the larynx, cervix and the upper esophagus may be associated with squamous cell carcinoma. We report the first case of a squamous papilloma associated with hig grade dysplasia at the lower esophagus. We think this case may have an important implication in the surveillance and management of esophageal papilloma found at endoscopy.