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구자설(Ja Soul Koo),송치욱(Chi Wook Song),조영직(Young Gik Jo),고동욱(Dong Wook Koh),손수민(Soo Min Shon),김용식(Yong Sik Kim),정록선(Rok Son Choung),진윤태(Yoon Tae Jeen),전훈재(Hoon Jai Chun),김창덕(Chang Duck Kim),류호상(Ho Sang R 대한소화기기능성질환·운동학회 2001 Journal of Neurogastroenterology and Motility (JNM Vol.7 No.2
N/A Backgroud/Aims: The nonspecific esophageal motility disorder (NEMD) has been reported to be related to gastroesophageal reflux disease (GERD) in some cases. However, the pathophysiologic mechanism of NEMD has not been estabilished. The aim of this study was to assess the prevalence of esophagitis and gastric acid reflux following abnormal contractions in patients with NEMD. Methods: 122 NEMD patients were enrolled (76 male and 46 female) and their endoscopic findings and 24 hour esophageal Ph data were compared with 24 healthy subj ects. The abnormal contractions were classified as 1) non-transmitted con-traction, 2) low amplitude contraction, 3) non-transmitted and low amplitude contraction, and 4) others. Results: Among the 122 patients with NEMD, 62 patients (50.8%) had GERD, 53 patients (43.4%) had endoscopic reflux esophagitis, and 41patients (33.6%) had both. Acid exposed time studied by 24 hour Ph monitoring was more increased in NEMD patients than in healthy controls (7.48 ±10.68 vs 1.42 ±1.17), but there were no differences among abnormal contraction patterns. Moderate to severe reflux esophagitis were frequently seen in patients with combined abnormal contractions as the results of endoscopic findings. Pre-existing factors for the gastric acid reflux in NEMD patients were male and esophageal hiatal hernia. Conclusions: Large numbers of NEMD patients were found to have concurrent GERD in our study. However, the esophageal peristaltic dysfunction was more closely related to the severity of esophagitis rather than to the amount of refluexed gastric acid itself. (Korean Journal of Gastrointestinal Motility 2001;7:168-174)
강창돈(Chang Don Kang),송치욱(Chi Wook Song),구자설(Ja Soul Koo),손수민(Soo Min Sohn),김혜랑(Hye Rang Kim),진윤태(Yoon Tae Jeen),전훈재(Hoon Jai Chun),엄순호(Soon Ho Um),김창덕(Chang Duck Kim),류호상(Ho Sang Ryu),현진해(Jin Hai Hyun) 대한소화기기능성질환·운동학회 2001 Journal of Neurogastroenterology and Motility (JNM Vol.7 No.1
N/A Background/Aims: The competency of the gastroesophageal junction (GEJ) holds the key in unlocking pathophysiologic mechanisms of gastroesophageal reflux disease (GERD). However, a relationship between GERD and the incompetent GEJ has not been established. The aim of our study was to assess the relationship between the shape of the GEJ and gastroesophageal acid reflux. Methods: Forty six patients with reflux symptoms underwent an endoscopy, esophageal manometry and 24-hour esophageal pH monitoring. Patients were placed in 3 groups according to the shape of their GEJ, categorized by a retroflex view of the endoscopy; type I - gastroesophageal fold without a pouch, type II - no pouch and no fold, and type III - a pouch without a fold. Results: In type II and III, LESP was reduced. However, %of time with the pH < 4.0 was increased in type III only. There was a significant correlation between the size of a hiatal hernia and the shape of the GEJ. There was a relationship between the grade of esophagitis and the shape of the GEJ. Conclusions: The retroflex endoscopic finding of the GEJ focusing on the presence or absence of a GE fold and hiatal pouch, could be an indicator of whether a patient has GERD.(Korean Journal of Gastrointestinal Motility 2001;7:29-35)
캡슐내시경검사 진단율에 영향을 미치는 인자 분석 -원인 불명의 위장관출혈 환자에서-
이범재 ( Beom Jae Lee ),전훈재 ( Hoon Jai Chun ),구자설 ( Ja Soul Koo ),금보라 ( Bo Ra Keum ),박상훈 ( Sang Hoon Park ),김두랑 ( Du Rang Kim ),권용대 ( Yong Dae Kwon ),김용식 ( Yong Sik Kim ),진윤태 ( Yoon Tae Jean ),이홍식 ( Hong 대한소화기학회 2007 대한소화기학회지 Vol.49 No.2
목적: 원인 불명의 위장관출혈은 대부분 소장 병변으로 전체 위장관출혈의 5-10%를 차지한다. 캡슐내시경은 원인 불명의 위장관출혈을 비롯한 소장질환의 진단에 매우 유용한 진단 방법으로 기존 검사에 비해 높은 진단율을 보고하고 있다. 이번 연구에서는 원인 불명의 위장관출혈 환자에서 진단율에 영향을 미치는 인자를 분석하여 캡슐내시경 시행에서 세분화된 적응증을 규명하고자 하였다. 대상 및 방법: 2002년 9월부터 2004년 9월까지 원인 불명의 위장관출혈을 주소로 고려대학교 안암병원에 내원하여 캡슐내시경 검사를 시행받은 116명을 대상으로 후향 연구를 진행하였다. 캡슐내시경 소견에 따라 비정상군과 정상군으로 환자를 분류하여 임상 특성, 검사 방법에 의한 진단율 차이를 분석하였다. 결과: 원인 불명의 위장관출혈 환자에서 캡슐내시경 진단율은 69%였고, 비스테로이드 항염증 약물에 유발된 궤양 병변이 19예, 혈관형성이상이 15예로 가장 흔한 소견이었다. 단변량 분석 및 다변량 분석에서 활동 출혈이 유의하게 진단을 예측할 수 있는 인자였다(p<0.05). 결론: 원인 불명의 위장관출혈을 진단할 때 캡슐내시경의 진단율은 69%였으며, 현성 출혈 환자군에서 진단율이 유의있게 높았다. 반복적인 검사에 따른 불편감 등을 고려할 때, 캡술내시경의 시행 시기와 대상은 혈변 및 흑색변의 증상이 있는 환자를 대상으로 시행하는 것을 우선적으로 고려해야 한다. Background/Aims: Capsule endoscopy (CE) has become a valuable modality for the detection of small bowel lesions. The usefulness of CE for obscure gastrointestinal (GI) bleeding has been established with an overall diagnostic yield of 60%. It is unknown whether CE is of equal value in all the patients or of greater benefit in selected groups in Korea. We evaluated the factors that affect the diagnostic yields of CE in patients with obscure GI bleeding. Methods: CE was performed in 126 consecutive patients [74 men and 52 women mean age:52.5 years (25-75 yrs), 23 with active bleeding] with obscure GI bleeding between September 2002 and July 2004. Patients were divided into two groups: those with documented bleeding lesions and those with non specific CE findings. We analyzed the clinical characteristics and other parameters that influenced the diagnostic yields of CE. Results: A definite or probable cause for obscure GI bleeding was found in 69% (80/116) of the patients. NSAID induced ulcer (16.4%) and angiodysplasia (12.1%) were the most common diagnoses. In patients with active bleeding, the diagnostic yield was significantly greater than that of the patients with occult bleeding (80% vs. 68.3%, p<0.05). However, there was no significant difference in parameters between patients with abnormal CE and those with normal CE in respect to gender, age, previous bleeding history, need for transfusion, cecum imaging, and bowel preparation. Conclusions: The diagnostic yield of CE in patients with obscure GI bleeding is 69%. It is significantly higher in patients with active bleeding. (Korean J Gastroenterol 2007;49:79-84)
손수민(Soo Min Shon),송치욱(Chi Wook Song),구자설(Ja Soul Koo),정록선(Rok Son Choung),신정호(Jeong Ho Shin),김윤배(Yun Bae Kim),전훈재(Hoon Jai Chun),이상우(Sang Woo Lee),최재현(Jai Hyun Choi),김창덕(Chang Duck Kim),류호상(Ho Sang Ry 대한소화기기능성질환·운동학회 2001 Journal of Neurogastroenterology and Motility (JNM Vol.7 No.2
N/A Aims: Gastroesophageal reflux disease (GERD) is known to be one of the contributing factors to cause epigastric soreness, which we often experience after intake of flour-based meals. The aim of this study was to evaluate gastroesophgeal reflux (GER) and its mechanism according to intake of different ingredients of meals. Methods: We investigated the effect of meals of different ingredients on the lower esophageal sphincter (LES) pressure, the frequency of transient LES relaxation (Tlesr) and GER in seven healthy volunteers. The meals used in this study were either rice cakes or flour cakes, which were isocaloric and isovolumetric. A mylohyoid electromyogram, LES pressure and esophageal Ph were simultaneously recorded for 3 hours after ingestion of each meal on two different occasions. Results: There was no significant difference in incidence of GER between two meals. Conclusion: The intake of isocaloric and isovolumetric meals of either flour or rice cake did not result in significant discrepancies in frequency of GER. The increase in the frequency of swallow- and strain-associated GER observed in the case of a flour cake may be caused by reduced LES pressure after ingestion. (Korean Journal of Gastrointestinal Motility 2001;7:181-187)