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Jang H, Park EK, Han DS, Kim CJ, Lee YS. Bladder stone formation on permanent suture material ten years after laparoscopic high uterosacral ligament suspension. CLIN EXP OBSTET GYN 2017; 44:472-474. [PMID: 29949298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The present authors describe an uncommon case of iatrogenic bladder stone formation in a patient who underwent surgery for pelvic organ prolapse. A female patient who underwent high uterosacral ligament suspension ten years ago presented with pyuria and irritable bladder symptoms that did not respond to treatment. She had not experienced any specific urinary symptoms during the previous ten years. Patient evaluation revealed bladder stone formation on the non-absorbable suture material used during the previous operation. Cystoscopy during the previous operation did not find the suture material, and the suture knot that was tied extravesically during the operation was found inside the bladder. These strongly suggest delayed migration and rotation of the'suture knot after surgery rather than direct penetration of the bladder during operation. Delayed suture migration is a long-term complication that clinicians should consider in a patient who suffers from recurrent urinary symptoms after pelvic surgery around the bladder.
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Chang KV, Hung CY, Han DS, Chen WS, Wang TG, Chien KL. Corrigendum. Early versus delayed passive range of motion exercise for arthroscopic rotator cuff repair: a meta-analysis of randomized controlled trials. Am J Sports Med 2015; 43:NP26. [PMID: 26232461 DOI: 10.1177/0363546515596940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Chang KV, Hung CY, Han DS, Chen WS, Wang TG, Chien KL. Early versus delayed passive range of motion exercise for arthroscopic rotator cuff repair: a meta-analysis of randomized controlled trials. Am J Sports Med. 2015;43(5):1265-1273. (Original DOI: 10.1177/0363546514544698 )
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Miyazaki N, Matsumoto J, Alberici F, Palmisano A, Maritati F, Oliva E, Buzio C, Vaglio A, Mjoen G, Norby GE, Vikse BE, Svarstad E, Rune B, Knut A, Szymczak M, Kuzniar J, Kopec W, Marchewka Z, Klinger M, Arrizabalaga P, Silvarino R, Sant F, Espinosa G, Sole M, Cervera R, Gude D, Chennamsetty S, Demin A, Kozlov V, Lisukov I, Kotova O, Sizikov A, Sergeevicheva V, Demina L, Borjesson O, Wendt M, Avik A, Qureshi AR, Bratt J, Miller EJ, Gunnarsson I, Bruchfeld A, Sugiyama K, Hasegawa M, Yamamoto K, Hayashi H, Koide S, Murakami K, Tomita M, Yoshida S, Yuzawa Y, Yew S, Jayne D, Westman K, Hoglund P, Flossman O, Mahr A, Luqmani R, Robson J, Thervet E, Levi C, Guiard E, Roland M, Nochy D, Daniliuc C, Guillevin L, Mouthon L, Jacquot C, Karras A, Kimura Y, Morita H, Debiec H, Yamada H, Miura N, Banno S, Ronco P, Imai H, Shin DH, Famee D, Koo HM, Han SH, Choi KH, Yoo TH, Kang SW, Fofi C, Fofi C, Scabbia L, Festuccia F, Stoppacciaro A, Mene' P, Shimizu A, Fukui M, MII A, Kaneko T, Masuda Y, Iino Y, Katayama Y, Fukuda Y, Kuroki A, Matsumoto K, Akizawa T, Jurubita R, Ismail G, Bobeica R, Rusu E, Zilisteanu D, Andronesi A, Motoi O, Ditoiu V, Copaci I, Voiculescu M, Irazabal MV, Eirin A, Lieske JC, Beck LH, Dillon JJ, Nachman PH, Sethi S, Erickson SB, Cattran DC, Fervenza FC, Svobodova B, Hruskova Z, Janatkova I, Jancova E, Tesar V, Seo MS, Kwon SH, Lee EB, You JY, Hyun YK, Woo SA, Park MY, Choi SJ, Jeon JS, Noh H, Kim JG, Han DC, Hwang SD, Choi TY, Jin SY, Kwon SH, Loiacono E, Loiacono E, Defedele D, Puccinelli MP, Camilla R, Gallo R, Peruzzi L, Rollino C, Beltrame G, Ferro M, Vergano L, Campolo F, Amore A, Coppo R, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Teranishi J, Yamamoto R, Nagasawa Y, Shoji T, Iwatani H, Okada N, Moriyama T, Yamauchi A, Tsubakihara Y, Imai E, Rakugi H, Isaka Y, Koo HM, Doh FM, Kim SJ, Kang SW, Choi KH, Han DS, Han SH, Suzuki Y, Matsuzaki K, Suzuki H, Okazaki K, Yanagawa H, Maiguma M, Muto M, Sato T, Horikoshi S, Novak J, Hotta O, Tomino Y, Gutierrez* E, Zamora I, Ballarin J, Arce Y, Jimenez S, Quereda C, Olea T, Martinez-Ara J, Segarra A, Bernis C, Garcia A, Goicoechea M, Garcia de Vinuesa S, Rojas J, Praga M, Ristovska V, Petrushevska G, Grcevska L, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Satake K, Shimizu Y, Mugitani N, Suzuki H, Suzuki Y, Horikoshi S, Honda S, Shibuya K, Shibuya A, Tomino Y, Papale M, Rocchetti MT, DI Paolo S, Suriano IV, D'apollo A, Vocino G, Montemurno E, Varraso L, Grandaliano G, Gesualdo L, Huerta A, Bomback AS, Canetta PA, Radhakrishnan J, Herlitz L, Stokes B, D'agati V, Markowitz G, Appel GB, Ristovska V, Grcevska L, Mouna H, Nasr BD, Mrabet I, Ahmed L, Sabra A, Mohamed Ammeur F, Mezri E, Habib S, Innocenti M, Pasquariello A, Pasquariello G, Mattei P, Bottai A, Fumagalli G, Bozzoli L, Samoni S, Cupisti A, Caldin B, Hung J, Repizo L, Malheiros DM, Barros R, Woronik V, Giammarresi C, Bono L, Ferrantelli A, Tortorici C, Licavoli G, Rotolo U, Huang X, Wang Q, Shi M, Chen W, Liu Z, Scarpioni R, Cantarini L, Lazzaro A, Ricardi M, Albertazzi V, Melfa L, Concesi C, Vallisa D, Cavanna L, Gungor G, Ataseven H, Demir A, Solak Y, Biyik M, Ozturk B, Polat I, Kiyici A, Ozer Cakir O, Polat H, Martinez-Ara J, Castillo I, Carreno V, Aguilar A, Madero R, Hernandez E, Bernis C, Bartolome J, Gea F, Selgas R, El Aggan HAM, El Banawy HS, Wagdy E, Tchebotareva N, LI O, Bobkova I, Kozlovskaya L, Varshavskiy V, Golicina E, Chen Y, Gong Z, Chen X, Tang L, Zhou J, Cao X, Wei R, Koo EH, Koo EH, Park JH, Kim HK, Kim MS, Jang HR, Lee JE, Huh W, Kim DJ, Oh HY, Kim YG, Tchebotareva N, Bobkova I, Kozlovskaya L, LI O, Eskova O, Shvetsov M, Golytsina E, Varshavskiy V, Popova O, Quaglia M, Monti S, Fenoglio R, Menegotto A, Airoldi A, Izzo C, Rizzo MA, Dianzani U, Stratta P, Vaglio A, Vaglio A, Alberici F, Gianfreda D, Buzio C. Primary and secondary glomerulonephritis I. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Liu J, Liu J, Liu Y, Xu Y, Zhao X, Qian J, Sun B, Xing C, Kanda R, Hamada C, Nakano T, Wakabayashi K, Io H, Horikoshi S, Tomino Y, Ishimatsu N, Miyamoto T, Morimoto H, Nakamata J, Baba R, Kanegae K, Serino R, Kabashima N, Otsuji Y, Doi Y, Tamura M, Nakamata J, Morimoto H, Baba R, Ishimatsu N, Miyamoto T, Kanegae K, Serino R, Kabashima N, Otsuji Y, Doi Y, Tamura M, Kusumoto T, Fukami K, Yamagishi SI, Ueda S, Kaida Y, Hazama T, Nakayama Y, Ando R, Obara N, Okuda S, Tamura M, Matsumoto M, Miyamoto T, Kanegae K, Furuno Y, Serino R, Kabashima N, Otsuji Y, Bang-Gee H, Mazzotta L, Rosati A, Carlini A, Henriques VT, Zangiacomi Martinez E, Divino-Filho JC, Pecoits-Filho R, Cardeal Da Costa JA, Henriques VT, Henriques VT, Gama Axelsson T, Lindholm B, Carrero JJ, Heimburger O, Stenvinkel P, Qureshi AR, Akazawa M, Uno T, Kanda E, Maeda Y, Aktsiali M, Aktsiali M, Antonopoulou S, Tsiolaki K, Bakirtzi N, Patrinou A, Georgopoulou M, Liaveri P, Afentakis N, Tsirpanlis G, Hasegawa T, Nishiwaki H, Hirose M, Komukai D, Tayama H, Koiwa F, Yoshimura A, Lui SL, Lui S, Yung S, Tang C, Ng F, Lo WK, Chan TM, Koo HM, Doh FM, Yoo DE, Oh HJ, Yoo TH, Choi KH, Kang SW, Han DS, Han SH, Fernandes N, Fernandes N, Bastos MG, Gianotti Franco MR, Chaoubah A, Gloria Lima MD, Pecoits-Filho R, Divino-Filho JC, Qureshi AR, Kang S, Do J, Cho K, Park J, Yoon K, Chen JB, Cheng BC, Chen TC, Su YJ, Wu CH, Park Y, Jeon J, Tsikeloudi M, Pateinakis P, Patsatsi K, Manou E, Sotiriadis D, Tsakiris D, Teixeira L, Rodrigues A, Carvalho MJ, Cabrita A, Mendonca D, Kang S, Do J, Park J, Cho K, Yoon K, Bruschi M, Candiano G, Santucci L, Luzio S, Cannavo R, Ghiggeri GM, Verrina E, Varadarajan Y, Raju B, Cho KH, Do J, Kang S, Park JW, Yoon KW, Kim TW, Kimmel M, Braun N, Latus J, Alscher MD, Struijk D, Van Esch S, Krediet RT, Fernandes N, Van den Beukel T, Hoekstra T, Tirapani L, De Andrade Bastos K, Pecoits-Filho R, Qureshi AR, Bastos M, Dekker F, Divino-Filho JC, Yasuhisa T, Kanai H, Harada K, Kawai Y, Sugiyama H, Ito Y, Tsuruya K, Yoshida H, Maruyama H, Goto S, Nakayama M, Nakamoto H, Morinaga H, Matsuo S, Makino H, DI Gioia MC, Gallar P, Laso N, Rodriguez I, Cobo G, Oliet A, Hynostroza J, Herrero JC, Mon C, Ortiz M, Vigil A, Tomo T, Portoles J, Uta S, Uta S, Tato AM, Lopez-Sanchez P, Rivera M, Rodriguez-Pena R, Del Peso G, Ortega M, Felipe C, Tsampikaki E, Aperis G, Kaikis A, Paliouras C, Karvouniaris N, Maragaki M, Alivanis P, Kortus-Gotze B, Hoferhusch T, Hoyer J, Martino F, Kaushik M, Rodighiero MP, Creapldi C, Ronco C, Lacquaniti A, Lacquaniti A, Donato V, Fazio MR, Lucisano S, Cernaro V, Lupica R, Buemi M, Aloisi C, Uno T, Akazawa M, Kanda E, Maeda Y, Bavbek Ruzgaresen N, Secilmis S, Yilmaz H, Akcay A, Duranay M, Akalin N, Akalin N, Altiparmak MR, Trabulus S, Yalin AS, Ataman R, Serdengecti K, Schneider K, Bator B, Niko B, Braun N, Peter F, Ulmer C, Joerg L, Martin K, Dagmar B, German O, Fabian R, Juergen D, Stephan S, Dominik A, Latus J, Latus J, Ulmer C, Fritz P, Rettenmaier B, Hirschburger S, Segerer S, Biegger D, Lang T, Ott G, Kimmel M, Alscher MD, Braun N, Habib M, Korte M, Hagen M, Dor F, Betjes M, Habib M, Hagen M, Korte M, Zietse R, Dor F, Betjes M, Latus J, Latus J, Ulmer C, Fritz P, Rettenmaier B, Biegger D, Lang T, Ott G, Scharpf C, Kimmel M, Alscher MD, Braun N, Habib M, Korte M, Zietse R, Betjes M, Chang TI, Shin DH, Oh HJ, Kang SW, Han DS, Yoo TH, Han SH, Choi HY, Lee YK, Kim BS, Han SH, Yoo TH, Park HC, Lee HY, Horimoto N, Tuji K, Kitamura S, Sugiyama H, Makino H, Isshiki R, Isshiki R, Iwagami M, Tsutsumi D, Mochida Y, Ishioka K, Oka M, Maesato K, Moriya H, Ohtake T, Hidaka S, Kobayashi S, Higuchi C, Tanihata Y, Ishii M, Sugimoto H, Sato N, Kyono A, Ogawa T, Nishimura H, Otsuka K, Cho KH, Do JY, Kang S, Park JW, Yoon KW, Kim TW, Du Halgouet C, Latifa A, Anne Sophie V, Emmanuel D, Christine R, Francois V, Grzelak T, Czyzewska-Majchrzak L, Kramkowska M, Witmanowski H, Czyzewska K, Janda K, Krzanowski M, Dumnicka P, Sulowicz W, Rroji M, Seferi S, Barbullushi M, Likaj E, Petrela E, Thereska N, Cabiddu G, Dessi E, Arceri A, Laura P, Manca E, Conti M, Cao R, Pani A, Liao CT, Vega Vega O, Mendoza de la Garza A, Correa-Rotter R, Ueda A, Nagai K, Morimoto M, Hirayama A, Owada S, Tonozuka Y, Saito C, Saito C, Yamagata K, Matsuda A, Tayama Y, Ogawa T, Iwanaga M, Noiri C, Hatano M, Kiba T, Kanozawa K, Katou H, Hasegawa H, Mitarai T, Ros-Ruiz S, Ros-Ruiz S, Fuentes-Sanchez L, Jironda-Gallegos C, Gutierrez-Vilches E, Garcia-Frias P, Hernandez-Marrero D, Kang S, Lee S, Cho K, Park J, Yoon K, Do J, Lai X, Chen W, Guo Z, Braide M, Cristina V, Popa SG, Maria M, Eugen M, Martino F, DI Loreto P, DI Loreto P, Ronco C, Rroji M, Seferi S, Barbullushi M, Petrela E, Spahia N, Likaj E, Thereska N, Sanchez Macias LO, Sanchez Macias LO, Lares Castellanos KI, Hernandez Pacheco JA, Vega Vega O, Correa Rotter R, Pedro Ventura A, Olivia S, Teixeira L, Joana V, Francisco F, Maria Joao C, Antonio C, Rodrigues AS, Atas N, Erten Y, Erten Y, Onec K, Inal S, Topal S, Akyel A, Celik B, Okyay GU, Tavil Y, Zeiler M, Monteburini T, Agostinelli RM, Marinelli R, Santarelli S, Erten Y, Erten Y, Inal S, Onec K, Atas N, Okyay GU, Yaylaci C, Sahin G, Tavil Y, Guz G, Sindel S, Pinho A, Cabrita A, Malho Guedes A, Fragoso A, Carreira H, Pinto I, Bernardo I, Leao P, Janda K, Janda K, Krzanowski M, Kusnierz-Cabala B, Dumnicka P, Krasniak A, Chowaniec E, Tabor-Ciepiela B, Sulowicz W, Turkmen K, Ozbek O, Kayrak M, Samur C, Guler I, Tonbul HZ, Rusai K, Herzog R, Kratochwill K, Kuster L, Aufricht C, Meier CM, Fliser D, Schilling MK, Klingele M, Fukasawa M, Fukasawa M, Takeda M, Kamiyama M, Song YR, Kim HJ, Kim SG, Kim JK, Noh JW, Lee YK, Yoon JW, Koo JR. Peritoneal dialysis. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kim DK, Nam BY, Li JJ, Park JT, Lee SH, Kim DH, Kim JY, Kang HY, Han SH, Yoo TH, Han DS, Kang SW. Translationally controlled tumour protein is associated with podocyte hypertrophy in a mouse model of type 1 diabetes. Diabetologia 2012; 55:1205-17. [PMID: 22311416 DOI: 10.1007/s00125-012-2467-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 12/31/2011] [Indexed: 02/06/2023]
Abstract
AIMS/HYPOTHESIS Translationally controlled tumour protein (TCTP) is thought to be involved in cell growth by regulating mTOR complex 1 (mTORC1) signalling. As diabetes characteristically induces podocyte hypertrophy and mTORC1 has been implicated in this process, TCTP may have a role in the pathogenesis of diabetes-induced podocyte hypertrophy. METHODS We investigated the effects and molecular mechanisms of TCTP in diabetic mice and in high glucose-stimulated cultured podocytes. To characterise the role of TCTP, we conducted lentivirus-mediated gene silencing of TCTP both in vivo and in vitro. RESULTS Glomerular production of TCTP was significantly higher in streptozotocin induced-diabetic DBA/2J mice than in control animals. Double-immunofluorescence staining for TCTP and synaptopodin revealed that podocyte was the principal cell responsible for this increase. TCTP knockdown attenuated the activation of mTORC1 downstream effectors and the overproduction of cyclin-dependent kinase inhibitors (CKIs) in diabetic glomeruli, along with a reduction in proteinuria and a decrease in the sizes of podocytes as well as glomeruli. In addition, knockdown of TCTP in db/db mice prevented the development of diabetic nephropathy, as indicated by the amelioration of proteinuria, mesangial expansion, podocytopenia and glomerulosclerosis. In accordance with the in vivo data, TCTP inhibition abrogated high glucose-induced hypertrophy in cultured podocytes, which was accompanied by the downregulation of mTORC1 effectors and CKIs. CONCLUSIONS/INTERPRETATION These findings suggest that TCTP might play an important role in the process of podocyte hypertrophy under diabetic conditions via the regulation of mTORC1 activity and the induction of cell-cycle arrest.
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Kong SH, Suh YS, Han DS, Lee HJ, Kim HH, Yang HK. Stomach hanging technique using gauze during laparoscopic gastrectomy. Asian J Endosc Surg 2012; 5:38-41. [PMID: 22776342 DOI: 10.1111/j.1758-5910.2011.00116.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Lifting the stomach using laparoscopic instruments during laparoscopic gastrectomy is difficult and increases the risk of crushing the tumor. In this study, we present a stomach hanging technique using gauze pieces that reduces the risk to the tumor. MATERIALS AND SURGICAL TECHNIQUE After a partial omentectomy and the opening of the lesser sac, the antrum was wrapped with a 15-20-cm gauze piece. Next, a straight needle with 2-0 monofilament suture material pierced the abdominal cavity through the right subcostal area on the mid-clavicular line, and the gauze was then sutured twice in a figure of eight manner. The needle was removed percutaneously through the right middle quadrant of the abdomen. Another suture was applied to wrap the left side of the stomach. The stomach was easily lifted and positioned by pulling the four suture strings in different directions. After the suture materials were fastened to the abdominal wall using hemostat forceps, the surgical field was sufficiently exposed, facilitating lymph node dissection on the superior surface of the pancreas. This method freed the assistant from holding the stomach and enabled this individual to assist the operation in other ways. DISCUSSION This stomach lifting technique using gauze is a good option for exposing the surgical field, enables the assistant to perform other tasks, and reduces the risk of crushing the tumor during laparoscopic gastrectomy.
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Park CH, Cheon JH, Kim JO, Shin JE, Jang BI, Shin SJ, Jeen YT, Lee SH, Ji JS, Han DS, Jung SA, Park DI, Baek IH, Kim SH, Chang DK. Criteria for decision making after endoscopic resection of well-differentiated rectal carcinoids with regard to potential lymphatic spread. Endoscopy 2011; 43:790-5. [PMID: 21735371 DOI: 10.1055/s-0030-1256414] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND STUDY AIM Rectal carcinoids are low-grade malignancies that are usually treated by endoscopic resection. However, on pathologic examination, resection margins that are positive for carcinoid cells are frequently found. Patient outcomes were reviewed after endoscopic resection of rectal carcinoids and the clinical significance of possible residual disease, as defined by pathologic and endoscopic examination, was evaluated. PATIENTS AND METHODS The medical records and endoscopic findings of 347 patients presenting with rectal carcinoids to 14 university hospitals in Korea between January 1999 and June 2007 were retrospectively analyzed. RESULTS A total of 304 patients were treated with endoscopic resection, and 43 patents were treated with surgery. In the endoscopic resection group, the complete resection rate was 88.2% based on endoscopic appearance (CR-E) and 60.2% based on pathologic evaluation (CR-P). The agreement between CR-E and CR-P was low (κ=0.192). No residual tumors were found in 77 of 85 patients (90.6%) who were CR-E but not CR-P and who had endoscopic biopsy taken at 24-month follow-up. The receiver-operating characteristic curve identified an optimal cut-off value of 10.5 mm, at which the sensitivity and the specificity for metastasis were 100% and 89%, respectively. The risk factors for metastasis by multivariate analysis were tumor size, increased mitotic rate, and lymphovascular invasion. CONCLUSIONS Endoscopic resection is a safe and effective modality for treating well-differentiated rectal carcinoids smaller than 10 mm in diameter. Discrepancies were observed between CR-E and CR-P. The risk factors for metastasis were tumor size, increased mitotic rate, and lymphovascular invasion.
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Hyun YS, Han DS, Lee HL, Bae JH, Eun CS. Gastric emphysema after endoscopic submucosal dissection. Endoscopy 2011; 43 Suppl 2 UCTN:E83-4. [PMID: 21425021 DOI: 10.1055/s-0030-1255805] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Hyun YS, Han DS, Kim TY, Eun CS, Jeon YC, Sohn JH. Education and imaging. Gastrointestinal: Sigmoidocecal fistula diagnosed with colonoscopy. J Gastroenterol Hepatol 2011; 26:208. [PMID: 21175817 DOI: 10.1111/j.1440-1746.2010.06556.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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Byun TJ, Han DS, Ahn SB, Cho HS, Eun CS, Ryu JS, Oh YH. Multiple colonic aphthoid ulcers caused by Diphyllobothrium latum infection. Endoscopy 2009; 41 Suppl 2:E181-2. [PMID: 19629946 DOI: 10.1055/s-0029-1214733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Chung YW, Choi JH, Oh TY, Eun CS, Han DS. Lactobacillus casei prevents the development of dextran sulphate sodium-induced colitis in Toll-like receptor 4 mutant mice. Clin Exp Immunol 2007; 151:182-9. [PMID: 18005362 DOI: 10.1111/j.1365-2249.2007.03549.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Probiotics, defined as live or attenuated bacteria or bacterial products, confer a significant health benefit to the host. Recently, they have been shown to be useful in the treatment of chronic inflammatory bowel disease and infectious colitis. In this study, we investigated the effect of probiotics on the development of experimental colitis using Toll-like receptor 4 (TLR-4) mutant (lps-/lps-) mice. TLR-4(lps-/lps-) and wild-type (WT) mice were given 2.5% dextran sulphate sodium (DSS) in drinking water to induce colitis with or without Lactobacillus casei pretreatment. Clinical and histological activity of DSS-colitis was attenuated markedly both in TLR-4(lps-/lps-) and WT mice pretreated with L. casei. Interestingly, histological activity was less severe in TLR-4(lps-/lps-) mice than in WT mice. The levels of myeloperoxidase activity and interleukin (IL)-12p40 were attenuated in pretreated TLR-4(lps-/lps-) mice after DSS administration. By contrast, transforming growth factor (TGF)-beta and IL-10 mRNA and protein expressions were increased markedly in pretreated TLR-4(lps-/lps-) mice. The current results suggest that L. casei has a preventive effect in the development of acute DSS-induced colitis and its action depends largely upon TLR-4 status. L. casei modulates the expression of inflammatory cytokines and down-regulates neutrophilic infiltration in the case of incomplete TLR-4 complex signalling.
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Chung YW, Han DS, Yoo KS, Park CK. Patient factors predictive of pain and difficulty during sedation-free colonoscopy: a prospective study in Korea. Dig Liver Dis 2007; 39:872-6. [PMID: 17652041 DOI: 10.1016/j.dld.2007.04.019] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2007] [Revised: 03/28/2007] [Accepted: 04/27/2007] [Indexed: 12/11/2022]
Abstract
BACKGROUND Successful colonoscopy depends on insertion of the instrument to the cecum, precise observation, and minimal patient discomfort during the procedure. This prospective study was designed to identify factors, apart from the endoscopist's skill, that predict patient pain and technical difficulty during sedation-free colonoscopy. METHODS A total of 426 sedation-free colonoscopies performed by one experienced endoscopist were evaluated in a prospective manner. Factors were recorded, including patient pain level, intubation time, demographic data, history of abdominal surgery, bowel preparation status, diverticular disease, bowel habits, anxiety level, and number of previous colonoscopies. These factors were analysed to determine their association with difficulty and pain during the procedure. RESULTS Four hundred six colonoscopies were completed to the cecum (95.3%). Mean insertion time for complete colonoscopy was 6.5+/-3.5 min. Multivariate logistic regression analyses revealed that older age, lower body mass index, previous hysterectomy, diarrhoea, 1st time colonoscopy and anxiety were predictors of patient pain. Older age, lower body mass index and previous hysterectomy were predictors of difficulty of intubation. CONCLUSIONS This prospective study identified several factors that may predict patient pain and technical difficulty associated with the procedure. These findings have implications for the practice and teaching of colonoscopy.
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Li JJ, Kwak SJ, Jung DS, Kim JJ, Yoo TH, Ryu DR, Han SH, Choi HY, Lee JE, Moon SJ, Kim DK, Han DS, Kang SW. Podocyte biology in diabetic nephropathy. Kidney Int 2007:S36-42. [PMID: 17653209 DOI: 10.1038/sj.ki.5002384] [Citation(s) in RCA: 145] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Glomerular visceral epithelial cells, namely podocytes, are highly specialized cells and give rise to primary processes, secondary processes, and finally foot processes. The foot processes of neighboring podocytes interdigitate, leaving between them filtration slits. These are bridged by an extracellular substance, known as the slit diaphragm, which plays a major role in establishing size-selective barrier to protein loss. Furthermore, podocytes are known to synthesize matrix molecules to the glomerular basement membrane (GBM), including type IV collagen, laminin, entactin, and agrin. Because diabetic nephropathy is clinically characterized by proteinuria and pathologically by glomerular hypertrophy and GBM thickening with foot process effacement, podocytes have been the focus in the field of research on diabetic nephropathy. As a result, many investigations have demonstrated that the diabetic milieu per se, hemodynamic changes, and local growth factors such as transforming growth factor-beta and angiotensin II, which are considered mediators in the pathogenesis of diabetic nephropathy, induce directly and/or indirectly hypertrophy, apoptosis, and structural changes, and increase type IV collagen synthesis in podocytes. This review explores some of the structural and functional changes of podocytes under diabetic conditions and their role in the development and progression of diabetic nephropathy.
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Yoo TH, Li JJ, Kim JJ, Jung DS, Kwak SJ, Ryu DR, Choi HY, Kim JS, Kim HJ, Han SH, Lee JE, Han DS, Kang SW. Activation of the renin-angiotensin system within podocytes in diabetes. Kidney Int 2007; 71:1019-27. [PMID: 17361112 DOI: 10.1038/sj.ki.5002195] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The autocrine and paracrine activation of the renin-angiotensin system (RAS) within cells of the kidney plays a role in the overall pathophysiology of the renal disease due to diabetes. In this study, we focus on components of the RAS in the podocyte as these cells are important in the pathogenesis of glomerulosclerosis and proteinuria. Immortalized mouse podocytes were exposed to media containing normal glucose (NG) or high glucose (HG) for in vitro studies. In vivo studies utilized kidney tissue obtained from rats treated for 3 months with streptozotocin to induce diabetes. Angiotensinogen (AGT) and the angiotensin II (AII) type 1 receptor mRNA and protein were significantly increased in the podocytes cultured under the high glucose conditions. Both angiotensins I and II levels were significantly higher in cell lysates and the conditioned media of cells grown in high glucose. There were no differences in renin activity, angiotensin-converting enzyme level, or AII type 2 receptor level. Glomerular AGT and AII type 1 receptor assessed by means of immunohistochemistry were increased in diabetic rats compared with the control rats. Other measured components of the RAS within the glomeruli were not different. We suggest that increased AGT, an attendant increase in AII and increased AII type 1 receptor in podocytes experiencing diabetic conditions play an important role in the pathogenesis of diabetic nephropathy.
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MESH Headings
- Angiotensinogen/genetics
- Angiotensinogen/metabolism
- Animals
- Cells, Cultured
- Diabetes Mellitus/metabolism
- Diabetes Mellitus/pathology
- Diabetes Mellitus, Experimental/metabolism
- Immunohistochemistry/methods
- Kidney Glomerulus/metabolism
- Male
- Mice
- Peptidyl-Dipeptidase A/genetics
- Peptidyl-Dipeptidase A/metabolism
- Podocytes/metabolism
- RNA, Messenger/metabolism
- Rats
- Rats, Sprague-Dawley
- Receptor, Angiotensin, Type 1/genetics
- Receptor, Angiotensin, Type 1/metabolism
- Receptor, Angiotensin, Type 2/genetics
- Receptor, Angiotensin, Type 2/metabolism
- Renin-Angiotensin System
- Staining and Labeling
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Park MS, Choi SR, Song YS, Yoon SY, Lee SY, Han DS. New insight of amino acid-based dialysis solutions. Kidney Int 2006:S110-4. [PMID: 17080099 DOI: 10.1038/sj.ki.5001925] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Malnutrition is a major complication of peritoneal dialysis (PD) and is associated with increased morbidity and mortality. Daily losses of proteins and amino acids (AAs) into dialysate contribute to this problem. Previous metabolic balance study demonstrated that treatment with 1.1% AA-based dialysis solution is safe and may improve protein malnutrition in continuous ambulatory peritoneal dialysis (CAPD) patients ingesting low protein intake. Other prospective studies also showed that AA solution can provide nutritional benefit for malnourished PD patients resulting in a significant improvement in some biochemical and/or anthropometric nutritional parameters. However, there are other studies showing no particular improvement in nutritional parameters after long-term use of AA solution. This may be related to the differences in the study design, sample size, methods used to assess nutritional status, and other factors such as dietary intake and comorbidities of study subjects. Published data will be reviewed to further emphasize the nutritional benefit of long-term use of AA solution in malnourished PD patients along with a brief discussion on the various reasons that may partly explain the different study results. We will also present the results of a longitudinal observational study evaluating changes in nutritional parameters following use of one exchange of 1.1% AA solution in malnourished Korean PD patients. A significant improvement of somatic protein status such as lean body mass (LBM) and hand grip strength was observed. No significant change in serum albumin level was noted. Patients with a positive estimated coefficient for LBM in the fitted regression model to the repeated observations over 1 year were classified as responders and patients with neutral or negative coefficient were considered as non-responders. Thirty-one out of 43 malnourished patients (72%) showed nutritional benefit based on the change of LBM. Hand grip strength and back lift strength were significantly higher in responders at baseline. Other baseline parameters did not differ between the two groups.
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Chung YW, Han DS, Park YK, Son BK, Paik CH, Lee HL, Jeon YC, Sohn JH. Association of obesity, serum glucose and lipids with the risk of advanced colorectal adenoma and cancer: a case-control study in Korea. Dig Liver Dis 2006; 38:668-72. [PMID: 16790371 DOI: 10.1016/j.dld.2006.05.014] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2005] [Revised: 04/03/2006] [Accepted: 05/12/2006] [Indexed: 12/11/2022]
Abstract
BACKGROUND Previous studies on colorectal cancer risk suggest that obesity, serum lipids and glucose might be related to colorectal carcinogenesis. This case-control study was conducted to investigate the association between obesity, serum lipids and glucose, and the risk of advanced colorectal adenoma and cancer. METHODS Patients with histologically confirmed colorectal cancers (n=105), same number of patients with advanced colorectal adenomas matched by age and sex, and the same number of controls matched by age and sex were selected in Hanyang University Guri Hospital between January 2002 and June 2004. RESULTS Adenoma and cancer group showed significantly higher levels of mean body mass index and serum glucose. Cancer group also showed significantly lower mean serum lipids levels than controls. We used an unordered polytomous logistic model to calculate multivariate odds ratios for advanced adenoma and cancer relative to controls. Higher serum glucose level was more strongly associated with increased risk of cancer relative to controls (odds ratio, 3.0; 95% confidence interval, 0.9-9.8) than with increased risk of advanced adenoma (odds ratio, 2.1; 95% confidence interval, 0.9-5.4). Higher body mass index was strongly associated with increased risk of advanced adenoma (odds ratio, 10.8; 95% confidence interval, 4.6-25.3), but associated with attenuated risk of cancer (odds ratio, 2.3; 95% confidence interval, 0.9-5.8). Serum triglycerides and cholesterol levels were strongly associated with reduced risk of cancer (odds ratio, 0.3; 95% confidence interval, 0.1-0.8 and odds ratio, 0.2; 95% confidence interval, 0.1-0.6, respectively). CONCLUSIONS Obesity and hyperglycaemia are positively related to advanced colorectal adenoma formation. Furthermore, hyperglycaemia plays an important role in progression to cancer. Findings on an inverse relationship between serum triglyceride and cholesterol levels and the risk of colorectal cancer may be the secondary results from metabolic or nutritional changes in advanced colorectal cancer patients and should be clarified in further studies.
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Chung YW, Han DS, Park YK, Son BK, Paik CH, Jeon YC, Sohn JH. Huge gastric diospyrobezoars successfully treated by oral intake and endoscopic injection of Coca-Cola. Dig Liver Dis 2006; 38:515-7. [PMID: 16330268 DOI: 10.1016/j.dld.2005.10.024] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2005] [Revised: 10/13/2005] [Accepted: 10/27/2005] [Indexed: 12/11/2022]
Abstract
A diospyrobezoar is a type of phytobezoar that is considered to be harder than any other types of phytobezoars. Here, we describe a new treatment modality, which effectively and easily disrupted huge gastric diospyrobezoars. A 41-year-old man with a history of diabetes mellitus was admitted with lower abdominal pain and vomiting. Upper gastrointestinal endoscopy revealed three huge, round diospyrobezoars in the stomach. He was made to drink two cans of Coca-Cola every 6 h. At endoscopy the next day, the bezoars were partially dissolved and turned to be softened. We performed direct endoscopic injection of Coca-Cola into each bezoar. At repeated endoscopy the next day, the bezoars were completely dissolved.
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Park DI, Kim YH, Kim HS, Kim WH, Kim TI, Kim HJ, Yang SK, Byeon JS, Lee MS, Jung IK, Chung MK, Jung SA, Jeen YT, Choi JH, Choi H, Han DS, Song JS. Diagnostic yield of advanced colorectal neoplasia at colonoscopy, according to indications: an investigation from the Korean Association for the Study of Intestinal Diseases (KASID). Endoscopy 2006; 38:449-55. [PMID: 16767578 DOI: 10.1055/s-2006-925227] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND AND STUDY AIMS The factors that more accurately predict the detection of colorectal cancers and adenomas at colonoscopy are different. We conducted a prospective multicenter study to evaluate which indications were most closely associated with advanced colorectal neoplasm (CRN), including colorectal cancer, in a group of patients undergoing colonoscopy. PATIENTS AND METHODS The 17 468 patients were enrolled in this study between July 2003 and March 2004, from 11 tertiary medical centers in Korea. They were recruited according to 11 itemized colonoscopic indications. The term "advanced adenoma" refers here to tubular adenomas of diameter of 11 mm or more, or to tubulovillous, villous, or severely dysplastic adenomas, irrespective of their size. Cancer was defined as the invasion of malignant cells beyond the muscularis mucosa. Advanced CRN was defined as advanced adenoma or invasive cancer. RESULTS Advanced CRN was found in 1227/17 307 patients (1176 advanced adenomas plus 51 carcinomas, 7.1 %). According to univariate and multivariate analysis, the factors associated with advanced CRN included age >60 years (odds ratio (OR) 2.1, 95 % confidence interval (CI) 1.8 - 2.4, P < 0.0001), male gender (OR 2.1, 95 %CI 1.7 - 2.7, P < 0.0001), referral for colonoscopy from primary care physician (OR 3.1, 95 %CI 2.5 - 3.7, P < 0.0001), and several other indications (OR 1.8, 95 %CI 1.5 - 2.3, P < 0.001). The yield of colonoscopy for advanced CRN was lower (2.2 %) than expected in patients with iron-deficiency anemia (OR 0.5, 95 %CI 0.2 - 0.9, P = 0.03). CONCLUSIONS Age, gender, and referral for colonoscopy from primary care physician constituted important independent predictors of advanced CRN in patients undergoing colonoscopy.
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Kim J, Kim Y, Cho OK, Rhim H, Koh BH, Kim YS, Han DS, Baek HK. Omental torsion: CT features. ACTA ACUST UNITED AC 2004; 29:502-4. [PMID: 15136892 DOI: 10.1007/s00261-003-0155-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2003] [Accepted: 12/17/2003] [Indexed: 12/21/2022]
Abstract
A 33-year-old male presented to the emergency department complaining of right upper quadrant pain and was initially diagnosed with acute cholecystitis. Abdominal computed tomography showed a whirling pattern of fatty streaks and vessels within the greater omentum, and surgery confirmed infarction of the omentum secondary to torsion. We report a case of surgically and pathologically proven omental torsion that demonstrated the typical whirling appearance on computed tomography.
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Hong SW, Jeong HJ, Kim YS, Kim SI, Choi KH, Lee HY, Han DS, Park K. Nuclear factor kappa B activation in glomeruli of posttransplant IgA nephropathy using southwestern histochemistry. Transplant Proc 2003; 35:179-80. [PMID: 12591356 DOI: 10.1016/s0041-1345(02)03944-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Jeong HJ, Hong SW, Kim YS, Kim SI, Kim MS, Choi KH, Lee HY, Han DS, Park K. Histologic factors associated with nephrotic-range proteinuria in recurrent IGA nephropathy. Transplant Proc 2003; 35:291. [PMID: 12591405 DOI: 10.1016/s0041-1345(02)04011-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Park HC, Kang SW, Choi KH, Ha SK, Han DS, Lee HY. Clinical outcome in continuous ambulatory peritoneal dialysis patients is not influenced by high peritoneal transport status. Perit Dial Int 2002; 21 Suppl 3:S80-5. [PMID: 11887869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
OBJECTIVES We undertook this study to examine the influence of demographics, peritoneal membrane transport characteristics, nutrition indices, dialysis adequacy, and comorbid diseases on patient survival on continuous ambulatory peritoneal dialysis (CAPD), and to identify whether high peritoneal membrane transport is an independent risk factor for mortality on CAPD. DESIGN Our retrospective study was carried out in CAPD patients in a large tertiary care teaching hospital. METHODS Until December 2000, we followed 212 patients who started CAPD between 1994 and 1997 and who underwent a peritoneal equilibration test (PET) within 3 months of CAPD initiation. RESULTS By univariate analysis, comorbid diseases, old age, high peritoneal transport, and serum albumin predicted patient mortality. Independent predictors of mortality as determined by the Cox proportional hazard model included diabetes mellitus, cardiovascular disease, serum albumin, and old age. High peritoneal transport failed to independently influence mortality in our CAPD patients.
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Hong SH, Kim MS, Lee JY, Hwang CY, Baek SH, Han DS, Jung WY, Seo SB, Kajiuchi T, Kim HM. Novel findings in inhibition of mast cell-dependent immediate-type cutaneous reactions by Gahmi-Shini-San. Clin Chim Acta 2001; 309:85-90. [PMID: 11408009 DOI: 10.1016/s0009-8981(01)00532-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This report describes an inhibitory effect of Gahmi-Shini-San (GSS) on mast cell-mediated immediate-type allergic reactions. GSS is an Oriental herbal medication, which has been successfully used in Korea for the treatment of allergic disorders, mainly skin anaphylactic diseases. GSS inhibited the ear swelling response induced by intradermal injection of compound 48/80 in a mouse model on a concentration-dependent basis. The mast cells in mouse ear tissue were stained by alcian blue/nuclear fast red. GSS significantly inhibited the compound 48/80-induced degranulation from mast cells in ear tissue. GSS dose-dependently inhibited the histamine release from the rat peritoneal mast cells by compound 48/80. We also studied the effect of GSS on mast cell-dependent passive cutaneous anaphylaxis activated by dinitrophenyl IgE antibody. GSS showed inhibition of passive cutaneous anaphylaxis following oral administration. These results indicated that GSS has inhibitory effect on mast cell-dependent immediate type cutaneous reactions.
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Choi KH, Kim SI, Yoon SY, Kim JH, Kang SW, Ha SK, Lee HY, Han DS, Kim YS, Park K, Jeong HJ, Kim DK. Long-term outcome of kidney transplantation in adult recipients with focal segmental glomerulosclerosis. Yonsei Med J 2001; 42:209-14. [PMID: 11371109 DOI: 10.3349/ymj.2001.42.2.209] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Focal segmental glomerulosclerosis (FSGS) is an important cause of nephrotic syndrome and end-stage renal disease. FSGS recurrence after renal transplantation has a potentially detrimental course leading to the loss of renal function. In order to establish FSGS recurrence rates and evaluate the course of the disease on living-related-donor renal transplantation in ethnic Korean adults (> or = 18 years), we reviewed our experiences of 27 kidney transplantations with FSGS over the last 15 years. Of the 27 renal allografts, 13 were found to have recurrent FSGS by graft biopsy. In comparison with background data upon patients with and without recurrence of FSGS, the donor age of patients with recurrent FSGS was significantly higher than that of those without recurrence (median, 39 years vs 26, p < 0.05). In terms of, age at transplantation, length of dialysis period, and mode of dialysis no differences were found between recurrent and nonrecurrent cases. The graft survival rate of recipients from a kidney donor of age less than 40 years was significantly higher than that of recipients from a kidney donor of age more than 40 years, at 5 and 10 years, respectively (87% vs 33%, 41% vs 0%, p < 0.05). The association between clinical variables and recurrence was assessed by multiple logistic regression analysis, and donor age was found to be a risk factor of FSGS recurrence (p<0.05). Variables such as HLA-mismatch numbers and immunosuppression were not found to be associated. In conclusion, the recurrence rate of FSGS in adult recipients with FSGS was 48% and patients that received kidney from an older donor appear to be at higher risk of developing recurrence. The use of a renal graft from a younger donor is considered advisable for adult recipients with FSGS.
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Choi IJ, Jeong HJ, Han DS, Lee JS, Choi KH, Kang SW, Ha SK, Lee HY, Kim PK. An analysis of 4,514 cases of renal biopsy in Korea. Yonsei Med J 2001; 42:247-54. [PMID: 11371115 DOI: 10.3349/ymj.2001.42.2.247] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
To evaluate the distribution and changing patterns of renal diseases in Korea, a total of 4,514 cases of renal biopsy collected over a 23-year period between 1973 and 1995 were reviewed. Of 4,200 cases excluding 314 unsatisfactory biopsies, adult cases comprised 59.5% and pediatric cases, 40.5%. The male to female ratio was 1.5:1 in adults and 2.2:1 in children. Glomerulonephritis (GN) comprised 80.0% of the total. The most common primary GN in adults was minimal change disease (MCD) (26.6%), followed by IgA nephropathy (IgAN) (22.1%), membranous GN (MGN) (11.8%), and membranoproliferative GN (MPGN) (5.9%). In children, the primary GN incidence rates were MCD (24.8%), IgAN (10.3%), poststreptococcal (including postinfectious) GN (PSGN) (8.6%), and focal segmental glomerulosclerosis (FSGS) (4.0%). The most common secondary GN in adults was lupus nephritis and in children Henoch-Schonlein purpura nephritis. The most common cause of nephrotic syndrome was MCD in both adults and children, followed by MGN and FSGS. The elderly, aged sixty years and older, comprised 2.7% of cases and recorded equal numbers of MCD and MGN. The proportion of the biopsies found to be seropositive for HBs antigen was 27.9%, and these showed either MGN or MPGN pattern. Repeat biopsy was performed in 168 patients, due to previous biopsy failure in 15.5%. When the primary GN cases were analyzed at 5-year intervals, the prevalence of PSGN, which was greater than 25% during the 1973-1982 period, decreased abruptly in children thereafter, whereas the prevalence of FSGS increased slowly since the 1988-1992 period in both adults and children. The decrease of PSGN and the increase of FSGS suggest a role for socioeconomic and environmental factors in Korea.
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