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김양수,박재호,홍중락,길효욱,양종오,이은영,홍세용 대한의학회 2006 Journal of Korean medical science Vol.21 No.2
Diseases of the peripheral nervous system are the most prevalent in patients with end-stage renal disease (ESRD). Although increased blood levels of lead in ESRD have been reported, the role of lead remains to be elucidated. The purpose of this study was to determine the connection of blood lead concentration with peripheral nerve conduction velocity. One hundred ninety-eight healthy subjects (control group) and 68 patients with ESRD undergoing hemodialysis (ESRD group) were enrolled. Nerve conduction was measured within two hours after hemodialysis. Orthodromic sensory nerve action potentials and compound muscle action potentials were recorded on the median, ulnar, and radial nerves. Hemoglobin-corrected blood lead was significantly higher in ESRD patients than in controls (9.1+/-2.8 microgram/dL vs. 5.9+/-2.3 microgram/dL, p<0.001). 32.4% of 68 ESRD patients with diabetes mellitus were significantly related to poorer motor and sensory nerve conduction velocity (p<0.001). However, blood lead was not a significant predictor of the nerve conduction velocity (p>0.05). Our result suggested that even though the blood lead levels were high in ESRD, they were not associated with the decline of peripheral nerve function. Diabetes mellitus is a primary independent risk of neuropathy in ESRD patients.
간내담관암으로 오인된 간세포암종과 담관상피암종의 중간형
복진현 ( Gene Hyun Bok ),홍중락 ( Zoong Rock Hong ),노미오 ( Mi Oh Roh ),장재영 ( Jae Young Jang ),심찬섭 ( Chan Sup Shim ),김정훈 ( Jung Hoon Kim ),진소영 ( So Young Jin ) 대한내과학회 2008 대한내과학회지 Vol.75 No.3
Primary liver cancer has traditionally been classified as either hepatocellular carcinoma (HCC) or cholangiocarcinoma (CCC). However, primary liver cancer occasionally consists of elements from both HCC and CCC. Intermediate hepatic carcinoma and primary liver cancer of the intermediate type are extremely rare subtypes of primary liver cancer that show features intermediate between HCC and CCC. First reported in 1998, the clinical, radiologic, and histopathologic characteristics of this entity remain unclear. In this case report, we describe the clinical, magnetic resonance imaging, histopathological, and immunohistochemical findings in a patient with intermediate hepatic carcinoma who was initially thought to have intrahepatic cholangiocarcinoma. (Korean J Med 75:327-332, 2008)
관상동맥 성형술에서 일반 스텐트와 약물방출 스텐트 사용에 따른 혈청 sCD40L 및 neopterin의 농도변화
윤진아,박승훈,류지원,전창균,홍중락,방덕원,현민수,김성구,권영주 순천향의학연구소 2007 Journal of Soonchunhyang Medical Science Vol.13 No.1
Drug-eluting stents(DES) had decreased the frequency of coronary restenosis. We therefore hypothesized that DES would be associated with reductions in serum levels of soluble CD40L and neopterin after percutaneous coronary intervention(PCI). We studied 40 patients who underwent PCI and who had repeated angiograms at 6-month follow-up. Plasma sCD40L and neopterin were measured before and 6-munth after PCI. Patients treated with DESs(n=20) did not differ in baseline characteristics, sex, age and risk factors. Both DES and BMS(bare metal stents) groups did not show difference between before and after PCI in serum levels of sCD40L and neopterm (mean 2.72±4.32ng/mL vs 1.26±1.45ng/mL, p = 0.141 in BMS and 4.05±5.22ng/mL vs 2.73±4.34ng/mL, p = 0.411 in DES for sCD40L, mean 6.69±5.66nmol/L vs 5.38±4.52nmol/L, p = 0.079 in BMS and 6.84±6.93nmol/L vs 7.41±6.41nmol/L, p = 0.715 in DES for neopterin). Patients treated with DES did not show diffrence in changes of sCD40L and neopterin (mean -1.31±7.00ng/mL vs -1.451±4.23ng/mL, p = 0.940 for sCD40L, 0.578±6.99 nmol/L vs -1.31±3.16nmol/L, p = 0.278 for neopterin). Serum levels of sCD40L and neopterin were not associated with late restenosis after PCI. Also both of sCD40L and neoptehn did not differ by DES use.
Evaluation of Characteristic for Groundwater, Stream and Land Use in Haean basin, Yanggu Country
윤성찬(Sung Chan Yoon),박창현(Chang Hyun Park),조인형(In hyeong Jo),이재훈(Jae hoon Lee),박준완(Jun Wan Park),홍중락(Jung Rak Hong),이호건(Ho Geon Lee),전우현(Woo-Hyun Jeon),윤상웅(Sang Woong Yun),이진용(Jin-Yong Lee) 대한지질학회 2018 지질학회지 Vol.54 No.2