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JYMS : Journal of Yeungnam Medical Science

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Young Hoon Choi 3 Articles
Massive bleeding from a rectal Dieulafoy lesion in a patient with alcoholic cirrhosis
Young Hoon Choi, Jong Ryeol Eun, Jae Ho Han, Hyun Lim, Jung A Shin, Gun Hwa Lee, Seung Hee Lee
Yeungnam Univ J Med. 2017;34(1):88-90.   Published online June 30, 2017
DOI: https://doi.org/10.12701/yujm.2017.34.1.88
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AbstractAbstract PDF
Although Dieulafoy lesion can occur in any part of the gastrointestinal tract, its occurrence in the rectum is rare. Rectal Dieulafoy lesions have been associated with advanced age, renal failure, burns, liver transplantation and cirrhosis. Here, we report on a case of massive bleeding from a rectal Dieulafoy lesion after lung decortication surgery in a 57-year-old male patient with alcoholic cirrhosis. Although rare, a rectal Dieulafoy lesion should be included in the differential diagnosis of massive lower gastrointestinal bleeding in a patient with cirrhosis.
High levels of carcinoembryonic antigen and smoking might be markers of colorectal adenoma in Korean males aged 40-49 years.
In Cheol Yoon, Jeong Hyeon Cho, Heejin Choi, Young Hoon Choi, Kyu Min Lim, Sung Hwa Choi, Jae Ho Han, Hyeon Ju Jeong, Hong Sub Lee
Yeungnam Univ J Med. 2016;33(1):13-20.   Published online June 30, 2016
DOI: https://doi.org/10.12701/yujm.2016.33.1.13
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AbstractAbstract PDF
BACKGROUND
Prevalence of adenoma in males aged 40-49 years in Korea was higher than expected. The aim of this study was to investigate the prevalence and risk factors of colorectal adenoma in males aged 40-49 years. METHODS: Total 1,902 asymptomatic subjects with a mean age of 47.9±6.7 years, who underwent a screening colonoscopy in a health promotion center of Myongji Hospital from 2010 to 2013 were enrolled in this study. We conducted a case-control study to determine the risk factors for adenoma. The subjects were classified into two groups (adenoma vs. controls). To validate the diagnostic value of carcinoembryonic antigen (CEA) for adenoma, area under the receiver operating characteristic curve (AUROC) was calculated. RESULTS: At least one colorectal adenoma was identified in 385 subjects (20.2%). Among these 385 subjects, 372 subjects were found to have a non-advanced adenoma, 13 subjects had an invasive adenoma. One subject had cancer. Male sex, age, smoking, metabolic syndrome, and elevated CEA level were significantly associated with a colorectal adenoma in univariate analysis. However, metabolic syndrome was not significant in multivariate analysis. In the male group, the AUROC of CEA for colorectal adenoma was 0.600 (0.543 to 0.656) in non-smokers under 50 years of age, and 0.615 (0.540 to 0.690) in smokers under 50 years of age. CONCLUSION: Male sex, smoking, and high levels of CEA seem to be associated with colorectal adenoma. High levels of CEA and smoking may be diagnostic markers for any colorectal adenoma in Korean males aged 40-49 years.
Coronary artery vasospasm after atrial septal defect surgery.
Jin Won Yoon, Young Soo Lee, Dong Keun Kim, Young Hoon Choi, Dong Ju Kim, Jae Jin Lee, Hyo Seung Ahn, Wook Hyun Cho
Yeungnam Univ J Med. 2014;31(2):122-126.   Published online December 31, 2014
DOI: https://doi.org/10.12701/yujm.2014.31.2.122
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AbstractAbstract PDF
Coronary vasospasm is one of the fatal complications that may occur in patients undergoing open heart surgery. To date, however, there are not many cases in this series and no definite pathophysiology has been documented. We experienced a case of coronary artery vasospasm after atrial septal defect (ASD) surgery and then successfully treated it with both transbrachial intra-aortic balloon pump and percutaneous cardiopulmonary support. Only several hours after ASD surgery, the patient exhibited the cardiovascular collapse, the ST-segment elevation, followed by ventricular fibrillation and normal coronary angiography findings. It is important to make a differential diagnosis of coronary artery vasospasm in patients presenting with ST-segment elevation who had no notable coronary artery diseases. This case indicates that clinicians should be aware of the possibility that the coronary artery vasospasm may also occur in patients undergoing ASD surgery.

JYMS : Journal of Yeungnam Medical Science