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Query: UMLS:C0403608 (ureter)
 9,655 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Wistar male rats were fed from weaning a methyl-deficient diet (groups I and II) or a standard commercial diet (groups III and IV). At the day 3 the left ureter was tied and divided in animals of groups I and III, while those in groups II and IV were sham operated. Rats of all groups were killed on days 8 and 10 to evaluate the incidence and extent of tubular necrosis (day 8) and tubular and cortical necrosis (day 10). The results of this study show that unilateral ureteric obstruction diminishes the incidence, severity and extent of necrosis in the same kidney.
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PMID:Effects of unilateral ureteric occlusion on renal necrosis occurring in rats fed a methyl-deficient diet. 317 96

Analysis of early and late post-surgical complications in 44 cases of Studer's type bladder replacement due to carcinoma of the bladder performed over a 6-year period. Follow-up ranges between 6 months and 6 years. 4 patients died during the post-operative (9.09%): 1 myocardial infarction, 1 pulmonary embolism and 2 intestinal fistula. 28 patients (63.64%) had post-operative complications: 4 GI fistula (9.09%) 5 ileus (11.36%), 2 GI bleeding (4.54%), 1 ureteral fistula (2.27%), 1 ureteral stenosis, 6 urethro-intestinal fistula (13.36%), 1 tubular necrosis, 1 ruptured ureteral catheter, 5 wound infections (11.36%), 12 urine infections (27.27%), 6 sepsis (13.63%), 1 lymphocele, 1 evisceration and 2 eventrations. Repeat surgery was required in 6 cases. Within 6 months from discharge, 7 of 40 patients (17.5%) had some complication: 3 acute pyelonephritis, 4 episodes of acidosis-dehydration and 1 ureter stenosis. After 6 months, 7 of 38 patients (18.4%) had complications: 1 acidosis, 3 vesical lithiasis, 2 ureteral stenosis and 1 urethro-intestinal, plus 2 cases of chronic urinary retention. Daytime continence was 97.2% and nighttime continence 30%; after 6 months evolution, no further changes were seen.
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PMID:[Studer's type ileal neobladder. Study of complications and continence]. 994 71

Ten cases of hematuria in Grant's gazelle (Gazella granti) (two male and eight female) from five institutions were examined and the clinicopathologic data summarized. Five gazelles died spontaneously and five were euthanized. All gazelles had marked hematuria without pyuria. Mean age at the onset of clinical signs and time of euthanasia or death was 5.0 +/- 1.4 yr and 8.2 +/- 3.7 yr, respectively. The severity of clinical signs with hematuria ranged from episodes of chronic intermittent hematuria to marked dysuria, with urinary bladder rupture secondary to obstructive blood clots in one case. Submandibular edema was the most common associated clinical sign (five of 10 cases). Serum chemistries from eight gazelles obtained during hematuria episodes revealed hypocalcemia (8/8), hypoproteinemia (7/8), hypoalbuminemia (7/8), and hyperphosphatemia (6/8). Fifty percent of the gazelles (4/8) developed anemia over the course of hematuria episodes. Prothrombin times and partial thromboplastin times were presumed increased in two of four animals evaluated. The predominant histologic lesions in seven of 10 gazelles reviewed were vascular necrosis, vasculitis, and perivasculitis in the urinary tract. Lesions in necropsied gazelles were identified in the urinary bladder (7/10 gazelles), kidney (3/10), and ureter (3/10). Additional urinary tract lesions included tubulointerstitial nephritis (5/10 gazelles), hemorrhagic cystitis (4/10), renal tubular necrosis (4/10), and subacute renal infarcts (2/10). Polymerase chain reaction testing on paraffin-embedded urinary tract tissue for alcelaphine herpesvirus-1 and -2, ovine herpesvirus-2, bluetongue virus, and epizootic hemorrhagic disease virus was negative for the six cases tested. One gazelle that had been vaccinated for Leptospira interrogans had a titer to serovar icterohaemorrhagiae, but serum from the six other gazelles tested was negative for all L. interrogans serovars. No exposure to any toxic agent was identified. An underlying cause for vascular lesions associated with episodic hematuria in Grant's gazelles remains to be determined.
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PMID:Retrospective evaluation of idiopathic hematuria and associated pathology in Grant's gazelles (Gazella granti): 10 cases. 2006 9