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홍수민;박경식;박일권;손형래;구호석;고행일 인제대학교 2011 仁濟醫學 Vol.32 No.-
Hepatitis A is a mild, self-limiting disease of the liver, critical complications of which, such as acute kidney injury, are rare. Two cases of patients with acute hepatitis A who had an acute renal failure complication are reported herein. The first case is that of a 30-year-old man who showed up at the author’s hospital complaining of fever and myalgia. His laboratory tests upon his admission showed 9,520 lU/L of aspartate transaminase, 5,600 lU/L of alanine transaminase, 31.9 mg/dL of blood urea nitrogen, and 5.5 mg/dL of creatinine, and he was positive for the Anti-HAV IgM antibody. Upon his admission, supportive treatment was started, which included fluid therapy. The laboratory tests on the next day showed 53 mg/dL of blood urea nitrogen, 9.9 mg/dL of creatinine, and lower urine output per day. Renal replacement therapy was performed only once. A renal biopsy was performed and the result was Acute Tubular Necrosis (ATN). The patient recovered from acute renal failure without sequela. In the second case, a 35-year-old man complained of fever and abdominal pain. His laboratory tests upon his admission showed 8,570 lU/L of aspartate transaminase, 4,510 lU/L of alanine transaminase, 16 mg/dL of blood urea nitrogen, and 1.19 mg/dL of creatinine, and he was positive for the Anti-HAV IgM antibody. He experienced acute renal failure and recovered after two-time renal replacement therapy. The result of the renal biopsy was Acute Tubular Necrosis and C1q nephropathy.
육안적 혈뇨로 내원한 환자에서 발견된 방광 유전분증 : 증례보고
김은진;성 현;홍수민;정성연;박경식;손형래;박일권;구호석;고행일 인제대학교 백병원 2011 仁濟醫學 Vol.32 No.-
Amyloidosis is a disease resulting in deposition of amyloid in the body. The disease can be either primary or secondary. The amyloidosis of urinary bladder is more usually affected by primary amyloidosis and also very rare. The patient with primary amyloidosis of the bladder usually presents with gross hematuria. The amyloidosis resembles bladder cancer in cystoscopy. It can be confirmed by biopsy. The treatment consists of medication (e.g., steroid, antitumor agent, cholchicine, DMSO) and/or transurethral resection. The standard treatment is mephalan and prednisolone. A 49-year-old man complained of recently developed gross hematuria without abdominal pain. We examined urinary bladder cystoscope for gross hematuria. It revealed small bulging mass on trigone are a of bladder. Therefore we did bladder biopsy. Finally, it revealed bladder amyloidosis. The patient was improved by medication (mephalan 2mg and prednisolone 1 mg/kg po daily). We report an unusual case of amyloidosis involving bladder.
다양한 형태의 양자암호망 제공을 위한 QKD 결합 IPSec(Q-IPSec) 장비 개발연구
손일권(Sohn Il Kwon),이은주(Lee Eunjoo),심규석(Shim Kyu-Seok),김용환(Yong-hwan Kim),배광일(Kwangil Bae),김현진(Hyunjin Kim),이원혁(Lee Wonhyuk) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.2
현재 양자 키 분배 장치는 기존의 광통신에서 고려하지 않는 물리계층 보안을 추가적으로 제공하기 위하여 사용되고 있다. 하지만 양자컴퓨터에 취약한 보안 프로토콜들은 모두 상위계층에서 사용되고 있기 때문에, 양자 키 분배 장치를 물리계층 보안만을 위하여 사용하는 것은 양자컴퓨터의 위협으로부터 안전하지 않을 수 있다. 따라서 본 논문에서는 양자 키 분배 프로토콜을 IPSec의 IKE에 적용하여 디피-헬먼 키 교환이 사용되는 부분을 대체하는 방법을 제시하였다. 또한, 실제 제작한 시작품을 통하여 보완한 프로토콜의 동작을 확인하였다.
Long-Term Changes in Post-Stroke Depression, Emotional Incontinence, and Anger
Boseong Kwon,Eun-Jae Lee,박성호,Ji Sung Lee,Min Hwan Lee,Daeun Jeong,Dongwhane Lee,Hyuk Sung Kwon,Dae-Il Chang,Jong-Ho Park,Jae-Kwan Cha,허지회,Sung-Il Sohn,Dong-Eog Kim,Smi Choi-Kwon,Jong S. Kim 대한뇌졸중학회 2021 Journal of stroke Vol.23 No.2
Background and Purpose Long-term changes in post-stroke depression (PSD), post-stroke emotional incontinence (PSEI), and post-stroke anger (PSA) have rarely been studied. Methods This is a sub-study of EMOTION, a randomized, placebo-controlled trial, that examined the efficacy of escitalopram on PSD, PSEI, and PSA in patients with stroke. We interviewed patients at the long-term period (LTP) using predefined questionnaires: Montgomery-Åsberg depression rating scale (MADRS) for PSD, modified Kim’s criteria for PSEI, and Spielberger trait anger scale for PSA. Additionally, the ENRICHD Social Support Instrument (ESSI) for the social support state and the modified Rankin Scale (mRS) were measured. We investigated the changes in and factors behind PSD, PSEI, and PSA at LTP. Results A total of 222 patients were included, and the median follow-up duration was 59.5 months (interquartile range, 50 to 70). Compared to the data at 6 months post-stroke, the prevalence of PSEI (11.7% at 6 months, 6.3% at LTP; P=0.05) and mean anger score (21.62, 16.24; P<0.01) decreased, while the prevalence of PSD (35.6%, 44.6%; P=0.03) and mean MADRS (6.16, 8.67; P<0.01) increased at LTP. ESSI was associated with PSD and PSA, but not with PSEI. The effect of the baseline National Institutes of Health Stroke Scale score on PSD decreased over time. The effect of low social support on PSD was greater than that of mRS at LTP. Conclusions The prevalence and degree of PSD significantly increased, while those of PSEI and PSA decreased at LTP. PSD in this stage appeared to be more closely associated with a lack of social support than patients' physical disabilities.
( Hyun Il Seo ),( Dae Sung Lee ),( Eun Mi Yoon ),( Min Jung Kwon ),( Hyosoon Park ),( Yoon Suk Jung ),( Jung Ho Park ),( Chong Il Sohn ),( Dong Il Park ) 대한장연구학회 2016 Intestinal Research Vol.14 No.2
Background/Aims: To prevent the transmission of pathogens by endoscopes, following established reprocessing guidelines is critical. An ideal reprocessing step is simple, fast, and inexpensive. Here, we evaluated and compared the efficacy and safety of two disinfectants, a tertiary amine compound (TAC) and ortho-phthalaldehyde (OPA). Methods: A total of 100 colonoscopes were randomly reprocessed using two same automated endoscope reprocessors, according to disinfectant. The exposure time was 10 minutes for 0.55% OPA (Cidex® OPA, Johnson & Johnson) and 5 minutes for 4% TAC (Sencron2®, Bab Gencel Pharma & Chemical Ind. Co.). Three culture samples were obtained from each colonoscope after reprocessing. Results: A total of nine samples were positive among the 300 culture samples. The positive culture rate was not statistically different between the two groups (4% for OPA and 2% for TAC, P =0.501). There were no incidents related to safety during the study period. Conclusions: TAC was non-inferior in terms of reprocessing efficacy to OPA and was safe to use. Therefore, TAC seems to be a good alternative disinfectant with a relatively short exposure time and is also less expensive than OPA. (Intest Res 2016;14:178-182)
Ik Je Choi,Taeman Han,Jeong-Dal Sohn,IL-Kwon Kim,Jong Woo Nam,Young Min Shin,Jongok Lim 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
A predatory genus Cryptalaus Ôhira, 1967 (Coleoptera: Elateridae) in Korea is taxonomically reviewed in this study. Up to date, two species of the genus Cryptalaus, C. berus Candèze, 1865 and C. larvatus pini Lewis, 1894, have been reported from Korea. From the present study, C. yamato Nakane, 1957 which has been regarded as an endemic to Japan, is reported from the Korean peninsula for the first time. A key to the Korean species of the genus Cryptalaus, diagnosis, illustrations of diagnostic characteristics are provided.