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RISS 인기검색어
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- 저자 : 정은행 ( Eun Haeng Jeong ) (검색결과 3 건)
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위장관 , 입원환자에서 Polyethylene Glycol 용액을 이용한 대장내시경 전처치 시 Bisacodyl을 병행하여 복용했을 경우의 효과 비교: 전향적 무작위 비교연구
방기배 ( Ki Bae Bang ),정은행 ( Eun Haeng Jeong ),정우신 ( Woo Shin Jeong ),채현범 ( Hyun Beom Chae ),김남희 ( Nam Hee Kim ),이태훈 ( Tae Hoon Lee ),김지연 ( Ji Yeon Kim ),정윤숙 ( Yoon Suk Jung ),박정호 ( Jung Ho Park ),손정일 ( 대한소화기학회 2014 대한소화기학회지 Vol.64 No.5
Background/Aims: Inpatient status can cause inadequate bowel preparation. The majority of previous studies regarding bowel preparation have focused on comparing the effects of different purgative regimens in outpatients. However, data on bowel preparation for inpatients are lacking. The aim of this study was to investigate whether bisacodyl plus polyethylene glycol (PEG) can improve bowel preparation in hospitalized patients. Methods: A prospective, randomized and observer-blind study was performed. A total of 196 hospitalized patients undergoing colonoscopy were randomized to receive 4 L PEG (PEG only group) or 4 L PEG+bisacodyl 10 mg (bisacodyl added group). The adequacy of bowel preparation was scored using the Ottawa bowel preparation scale. Results: One hundred and eighty-three subjects completed the study, 96 in the bisacodyl added group and 87 in the PEG only group. There were no significant differences between the bisacodyl added group and the PEG only group with respect to the score of bowel cleansing (3.59±2.81 vs. 3.82±3.03, p=0.607), quality of bowel cleansing (adequate preparation 89.6% vs. 85.1%, p=0.380), and overall adverse events (66.7% vs. 52.9%, p=0.057). However, a larger proportion of patients in the PEG only group were able to ingest the entire solution as prescribed than in the bisacodyl added group (98.9% vs. 75.0%, p<0.001). Conclusions: In hospitalized patients, the quality of bowel preparation did not differ depending on whether bisacodyl is added or not. In addition, patient compliance based on consumption of cleansing agent was better in the PEG only group. (Korean J Gastroenterol 2014,64:268-277)
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원관 주위의 대류 열전달에 대한 원둘레 방향의 열전도의 영향
이승홍,이억수,정은행 釜山大學校生産技術硏究所 1997 生産技術硏究所論文集 Vol.53 No.-
원관축의 수직방향으로 유체가 유동하는 경우에, 가열되는 수평 원관 주위에서 원둘레 (θ)방향으로 비대칭적으로 균일하지 않게 온도가 분포하기 때문에 원둘레 방향으로의 전도 열전달이 존재하고 비균일 대류 열전달 현상이 생긴다. 본 연구에서는 공기와 물을 작동유체로 하고 직교 유동내에 있는 수평 원관의 열전달 실험에서 국소 대류 열전달에 대한 원둘레 방향 열전도의 영향에 대하여 연구하였다. 에너지 방정식에서 유도된 무차원 수가 반경방향에 대한 원둘레 방향의 열전도의 영향을 나타내는 무차원 수로 사용되었다. 4가지 모델을 직접 전기저항 가열방식으로 가열하고, 원관 표면의 온도를 직접 측정하여 2차원 온도분포의 경계조건으로 사용하여 원관의 단면 내부에서 2차원 온도분포 T(r,θ) 를 보여준다. With uniform heat generation in a horizontal cylindrical heater placed in a cross flow boundary condition, heat flow that is conducted along the wall of the heater creates a non-isothermal surface temperature and heat flux distribution. In the present investigation, the effects of circumferential wall heat conduction on convection heat transfer is investigated for the case of forced convection around horizontal cylinder in cross flow of air and water. Non-dimensional conjugation parameter which can be deduced from the governing energy differential equation should be used to express the effect of circumferential wall conduction heat transfer. Two-dimensional temperature solutions T(r,θ) distribution is presented. The influence of circumferential wall heat conduction is demonstrated on graph of local Nusselt number.
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이상혁,김병익,전창욱,방기배,정은행,서정연,박은혜,설지수 영남대학교 의과대학 2012 Yeungnam University Journal of Medicine Vol.29 No.1
Hepatocellular carcinoma(HCC) is the second leading cause of cancer-related deaths in South Korea. To decrease its mortality rate, its early detection is very important. Screening for HCC detection has been accepted as the management modality for patients with chronic liver disease. Reported herein is a case involving the marked rapid growth of HCC detected at an advanced stage in a screening test with a 3 months interval. A 49-year-old male patient with chronic hepatitis B was admitted to the hospital due to a liver mass detected on CT scan. The patient underwent a first CT scan 3 months earlier, and no tumor was detected. Follow-up CT scan was performed and showed a 9.1cm HCC with portal vein thrombosis. Percutaneous liver biopsy was performed, and the diagnosis of hepatocellular carcinoma was confirmed. In the pertinent guidelines, the recommended screening interval for HCC is 6-12 months, but the screening interval and additional diagnostic methods should be considered due to the variation in the HCC growth rate according to the patient’s clinical characteristics.
KISS
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