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강우헌,안병훈,정만표,김호중,권오정,이종헌,김진국,한정호,이경수,Kang, Woo-Heon,Ahn, Byung-Hoon,Chung, Man-Pyo,Kim, Ho-Joong,Kwon, O-Jung,Rhee, Chong-H.,Kim, Jhin-Gook,Han, Jung-Ho,Lee, Kyung-Soo 대한결핵및호흡기학회 1998 Tuberculosis and Respiratory Diseases Vol.45 No.1
We report a rare case of primary tracheal malignent melanoma documented by careful clinical examination. Differentiation between primary and metastatic malignant melanoma is very difficult We conclude that this tracheal tumor is a primary malignant melanoma based on characteristic pathologic features and the exclusion of the possibility of spontaneous regression of the primary site by patient's history and physical examination.
CAPD 환자에서 발생한 투석액의 흉강 누출에 의한 흉수 - 비디오 흉강경 ( VATS ) 과 Talc 를 이용한 흉막 유착술 1 예
강우헌(Woo Heon Kang),김정아(Jung Ah Kim),김대중(Dae Joong Kim),여호명(Ho Myoung Yeo),임영환(Young Hwan Lim),김범(Beom Kim),윤수진(Su Jin Yoon),이현희(Hyun Hee Lee),이영기(Young Ki Lee),오하영(Ha Young Oh) 대한신장학회 2002 Kidney Research and Clinical Practice Vol.21 No.5
Continuous ambulatory peritoneal dialysis (CAPD) is an effective renal replacement therapy for end-stage renal disease. Hydrothorax secondary to leakage of dialysate via pleuroperitoneal communication is a rare complication of CAPD. Earlier treatments of CAPD-induced hydrothorax have included pleurodesis with tetracycline, talc, fibrin, or autologous blood and surgical treatment. These procedure have made many patients switch to hemodialysis, because of the high relapse rate of the former and the invasiveness and morbidity of the latter. The talc pleurodesis with video-assisted thoracic surgery (VATS) allows not only direct visualization of potential diaphragmatic defect but also direct application of the talc to the visceral or parietal pleura. This procedure is less invasive than thoracotomy and can perform more accurate poudrage of talc than conventional methods. We have recently managed a patient CAPD-induced massive hydrothorax using thoracoscopic talc pleurodesis. This patient was successfully returned to CAPD.
신장내과 조기의뢰가 혈액투석 예후에 미치는 영향 : 단일 임상 기관 연구
강우헌 ( Woo Heon Kang ),오하영 ( Ha Young Oh ),신유정 ( You Jung Shin ),설정숙 ( Jeong Sook Seol ),강문자 ( Moon Ja Kang ),탁은영 ( Eun Young Tak ),이남선 ( Nam Sun Lee ),이미경 ( Mi Kyoung Lee ),류로사 ( Ro Sa Ryu ),송영혜 ( You 대한신장학회 2006 Kidney Research and Clinical Practice Vol.25 No.2
금식유발 다뇨 및 요농축력 감소 병인으로 신장 수분통로 및 나트륨 운반체 조절 변화
박병석 ( Byoung Seok Park ),배은희 ( Eun Hui Bae ),강우헌 ( Woo Heon Kang ),박정우 ( Jeong Woo Park ),마성권 ( Seong Kwon Ma ),김남호 ( Nam Ho Kim ),최기철 ( Ki Chul Choi ),이종은 ( Jong Un Lee ),김수완 ( Soo Wan Kim ) 대한신장학회 2007 Kidney Research and Clinical Practice Vol.26 No.1
Purpose: Starvation causes impairment in the urinary concentration ability. However, the molecular basis for the impaired urinary concentration and polyuria remains undefined. We examined the effects of food deprivation on the water handling by the kidney and it`s regulatory mechanism. Methods: Sprague-Dawley rats were used. They were placed in metabolic cages and deprived of food but had free access to water for 24 hours. Control rats had free access to both water and food. Protein expression of aquaporin-2 (AQP2) and Na(+)-K(+)-2Cl(-) cotransporter (NKCC2) was determined in the kidney by Western blot analysis. Protein expression of type VI adenylyl cyclase and prostaglandin E2 synthase (PGES) was determined. Urinary PGE2 excretion was also determined by radioimmunoassay. Results: Food deprivation (FD) resulted in impaired urinary concentration associated with decreased tubular water reabsorption and increased urine output. The expression of AQP2 proteins was significantly decreased in the inner stripe of the outer medulla (ISOM). The expression of NKCC2 was not affected in ISOM. The adenylyl cyclase VI expression was increased in ISOM in FD rats. The protein expression of PGES was decreased in the cortex/OSOM and ISOM. The 24 hr urinary excretion of PGE2 was significantly decreased in FD rats compared with controls. Conclusion: These findings indicate that FD-induced urinary concentration defect may related to a reduced abundance of AQP2 in the kidney. It is also suggested that the primary impairment in the pathway to the activation of AQP2 in food deprivation is independent of vasopressin/cAMP or prostaglandin activity.
신동맥 스텐트 삽입술로 치료한 섬유근성 이형성증에 병발한 자발성 신동맥 박리
백현정 ( Hyun Jeong Baek ),김대중 ( Dae Joong Kim ),서현주 ( Hyun Joo Suh ),김민옥 ( Min Ok Kim ),여호명 ( Ho Myoung Yeo ),김정아 ( Jung Ah Kim ),김현진 ( Hyun Jin Kim ),강우헌 ( Woo Heon Kang ),김범 ( Beom Kim ),허우성 ( Woo Seo 대한신장학회 2004 Kidney Research and Clinical Practice Vol.23 No.5
최소변화콩팥병증에서 합병된 정맥 혈전증의 전신적 혈전용해술
이형석 ( Hyung Seok Lee ),김진택 ( Jin Taek Kim ),민주원 ( Joo Won Min ),권기영 ( Gi Young Kwon ),김봉수 ( Bong Soo Kim ),최국명 ( Guk Myung Choi ),강우헌 ( Woo Heon Kang ) 대한내과학회 2007 대한내과학회지 Vol.73 No.4
Nephrotic syndrome has been considered a hypercoagulable state because thromboembolic events of the venous or the arterial circulations occur on occasion. There are various risk factors for thromboembolism in patients with nephrotic syndrome (membranous nephropathy, severe hypoalbuminemia, hemoconcentration and medications such as steroid and diuretics). As thromboembolism is often fatal, early detection and proper management are important. Although anticoagulation is the preferred therapy, thrombolysis may be considered for an extensive thrombosis, for inferior vena cava (IVC) thrombosis, for recurrent pulmonary thromboembolism and for bilateral renal vein thrombosis in conjunction with acute renal failure. We report here on a case of renal vein and IVC thrombosis in a 24-year-old male with nephrotic syndrome, and this patient was treated with intravenous thrombolytics rather than anticoagulation and local thrombolytic infusion. He complained of left flank pain and his CT scan revealed left renal vein thrombosis and IVC thrombosis. After urokinase infusion, his thrombi were resolved successfully without bleeding complications.(Korean J Med 73:448-452, 2007)
오하영,오동진,김대중,강우헌,이방훈,김범,이숭구,허우성 대한신장학회 1999 Kidney Research and Clinical Practice Vol.18 No.3
Elevated serum leptin concentration can contribute to anorexia and poor nutrition in patients with chronic renal failure, since leptin is elevated in chronic renal failure patients with or without dialysis, especially in chronic ambulatory peritoneal dialysis(CAPD) patients. The aim of this study to find whether leptin can be removed by peritoneal dialysis(PD) and to analyze factors that can affect serum leptin concentration after start of CAPD by observing the changes of serum leptin shortly after start of CAPD and their correlations with body mass index(BMI), serum insulin concentration and residual renal function(Creatinine clearance+Urea clearance/2). Twenty patients who started CAPD during the observation periods were studied. Serum leptin concentration was measured before start of CAPD, 3-5 days and 1, 3 months after start of CAPD by RIA method. Simultaneously, body weight, serum insulin concentration and residual renal function were measured. Removal of leptin was assessed by measuring dialysate leptn concentration divided by average serum leptin concentration before and after peritoneal equilibration test(PET) to compensate for the circardian rhythm of leptin. Leptin was eliminated by PD with dialysate to serum ratio of leptin to be 0.16±0.07 which was comparable to removal of β2-microglobulin(0.14±0.06). The mean serum leptin concentration did not decrease after 3-5 days of CAPD(8.4±13.1±11.9±18.0) despite its removal by PD and increased markedly 189%, 260% of basal serum leptin concentration on 1 month and 3 months after start of PD, respectively. Correlation coefficients(Spearmann's) between changes of serum leptin concentration and changes of BMI, serum insulin concentration, residual renal function were 0.267(P$gt;0.05, n=20), 0441(P$gt;0.05, n= 16), 0.706(P$gt;0.05, n=8) respectively. Leptin was removed by peritoneal dialysis. Serum leptin concentration did not decrease in 5 days after start of PD despite its removal by PD, and increased markedly 3 months after start of PD. We could not find signi correlation between changes of serum leptin concentration and changes of BMI. Factors other than fat mass gain can stimulate leptin increase shortly after start of PD.
설사와 관련된 성인 용혈성 요독 증후군 환자의 임상상과 혈장교환술의 치료 경과
이윤하,김혜영,김범,오하영,허우성,김대중,김윤구,강우헌 대한신장학회 1998 Kidney Research and Clinical Practice Vol.17 No.6
Diarrea-associated hemolytic uremic syndrome (HUS) is very rare in adults. Few reports are available on clinical features and plasma exchange in adult patients with diarrhea-associated HUS in Korea. We retrospectively examined the records of five adult patients with diarrhea-associated HUS admitted to Samsung Seoul Hospital between January 1995 and December 1997. If the patient had neurologic abnormalities, or there was rapid clinical deterioration, with the hematocrit decreasing below 20%, the platelet count falling below 10,000/mm3, the creatinine concentration increasing above 5.0mg/dl, plasma exchange was begun. There were 4 females and 1 male. Patients ranged in age from 16 to 61 years. All patients presented with diarrhea and abdominal pain, and 3 patients had bloody diarrhea. The mean time between the onset of diarrhea and thrombocytopenia was 4.4?1.9 days(range, 1 to 6). All patients received 7 to 24 plasma exchanges. The mean exchanged plasma volume was 1.1?0.2 times of patients own plasma volume. e pattern of clinical response to plasma exchange was initial normalization of platelet count (8.0?3.8 days), followed by normalization of LDH level(20.2?14.5 days) and creatinine concentration (25.8?13.8 days). Metabolic alkalosis developed in two patients undergoing daily plasma exchange. We successfully managed the metabolic alkalosis with continuous venovenous hemofiltration. The mean duration of hospitalization was 28.8?11.2days(range, 20 to 42). All patients successfully recovered without any sequale. Although this study is based on small case series, we suggested that plasma exchange may improve the outcome in adult diarrhea-associated HUS.