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Retrograde endoscopic laser therapy for transitional cell carcinoma of the upper urinary tract 总被引:7,自引:0,他引:7
SOICHI MUGIYA SATOSHI MARUYAMA MASAO NAGATA SHINSUKE HADANO HIROSHI NAGAE 《International journal of urology》2003,10(7):371-376
AIM: The aim of the present study was to investigate the safety and efficacy of endoscopic laser therapy for transitional cell carcinoma (TCC) of the upper urinary tract. METHODS: Tumors of the renal pelvis and ureteropelvic junction were detected by ureteroscopy. The tumors were subjected to biopsy, and after TCC was diagnosed, endoscopic laser therapy (Neodymium-YAG and Holmium-YAG) was conducted using a 6.9 Fr. flexible ureterorenoscope. RESULTS: From January 1997 to April 2002, six patients underwent ureteroscopic treatment. Tumor grade was 1 in four patients and 2 in two patients. Average tumor size was 1.45 cm. Endoscopic treatment was chosen for two patients because of the high medical risk associated with open surgery. Another patient underwent diagnostic ureteroscopy, followed immediately by endoscopic treatment. A further three patients elected to undergo ureteroscopic treatment. One patient with large (3 cm), multifocal and incompletely treated tumors died of metastatic disease 22 months after the initial operation. One patient requested nephroureterectomy one month after endoscopic treatment, and pathological examination of the resected specimen revealed no tumor. The other four patients have been followed up for a mean period of 14 months after initial treatment. Recurrence occurred in one patient, and was successfully treated by repeat endoscopic resection. None of the patients required blood transfusion or emergency open surgery. CONCLUSION: Ureteroscopic treatment of small, localized, low-grade TCC of the upper urinary tract is now a safe and feasible alternative to nephroureterectomy in selected patients. 相似文献
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TOSHIFUMI OHKUSA ISAO OKAYASU SHINSUKE TOKOI YOSHINORI OZAKI 《Journal of gastroenterology and hepatology》1993,8(1):116-118
Abstract This study investigated interactions between mucosal lesions and bacterial invasion in ulcerative colitis using the acridine-orange staining method. In all 16 cases of ulcerative colitis, the mucosa was found to be invaded by small rods and cocci. In five of 10 controls, bacteria were seen only adhering to the mucosa and no bacteria were detected in the five remaining cases. It is suggested that the presence of bacteria in the colonic mucosa may be a factor responsible for the persistence or aggravation of ulcerative colitis. 相似文献
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SHINSUKE MIYAZAKI M.D. TAISHI KUWAHARA M.D. ATSUSHI KOBORI M.D. YOSHIHIDE TAKAHASHI M.D. ASUMI TAKEI M.D. AKIRA SATO M.D. MITSUAKI ISOBE M.D. ATSUSHI TAKAHASHI M.D. 《Journal of cardiovascular electrophysiology》2010,21(11):1193-1198
AF Ablation in Patients With Valvular Heart Disease . Background: The purpose of this study is to evaluate the efficacy of atrial fibrillation (AF) ablation in patients with moderate valvular heart disease (VHD). Methods: In total, 534 consecutive patients who underwent AF ablation were enrolled. Patients with a history of valve surgery or other structural heart disease were excluded. Patients with clinically moderate VHD (group‐1, n = 45) were compared with those without VHD (control group‐2, n = 436). Ipsilateral pulmonary vein antrum isolation (PVAI) was performed with a double Lasso technique in all the patients. Left atrial (LA) linear ablation was undertaken in persistent AF patients, if AF was inducible after PVAI. Results: Patients in group‐1 were significantly older and had a larger LA. PVAI was successfully achieved in all the patients. Patients in group‐1 received LA linear ablation more frequently during the index procedure. After a median of 26 months from the index procedure, the freedom from AF was significantly lower in group‐1 than group‐2 off antiarrhythmic drugs (AADs) (47% vs 69%, P = 0.002). Although there were more number of total procedures in group‐1 than group‐2, the freedom from AF was lower at median 24 months after the last procedure (78% vs 87%, P = 0.038). There was no significant difference in the freedom from AF on AADs (91% vs 95%, P = 0.356) or complication rate between the 2 groups. Atrial tachycardia following the index procedure was observed more frequently in group‐1 (P = 0.001). Conclusion: The patients with VHD undergoing AF ablation are less likely to remain in sinus rhythm at long term without AADs than those without VHD. (J Cardiovasc Electrophysiol, Vol. 21, pp. 1193‐1198, November 2010) 相似文献
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TAISHI KUWAHARA M.D. ATSUSHI TAKAHASHI M.D. YOSHIHIDE TAKAHASHI M.D. ATUSHI KOBORI M.D. SHINSUKE MIYAZAKI M.D. ASUMI TAKEI M.D. TADASHI FUJINO M.D. KENJI OKUBO M.D. KATSUMASA TAKAGI M.D. AKIRA FUJII M.D. MASATERU TAKIGAWA M.D. YUJI WATARI M.D. HIROYUKI HIKITA M.D. AKIRA SATO M.D. KAZUTAKA AONUMA M.D. 《Journal of cardiovascular electrophysiology》2013,24(5):510-515
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RUKSHEN WEERASOORIYA M.B.B.S. † PIERRE JAIS M.D. NICOLAS LELLOUCHE M.D. MATTHEW WRIGHT M.D. SEBASTIEN KNECHT M.D. ISABELLE NAULT M.D. SHINSUKE MIYAZAKI M.D. FREDERIC SACHER M.D. MELEZE HOCINI M.D. CHRISTOPHE SCAVEE M.D. LAURENT MACLE M.D. MICHEL HAISSAGUERRE M.D. 《Journal of cardiovascular electrophysiology》2009,20(3):349-351