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

Urodynamic diagnostic procedure have provided new concepts with consequent advantages for urological patients. The postoperative evaluation of renal pelvic surgery, the detection of functional stenosis of the ureter, stress incontinance, prostatic hypertrophy and postoperative incontinence are typical examples of conditions ideally suited to urodynamic assessment. Urodynamic investigation represents a very important contribution towards the prevention of postoperative failure and enables the achievement of higher diagnostic accuracy.
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PMID:[Effective urodynamic evaluation in hospital and general practice (author's transl)]. 7 93

The possibility of ureteric duplication should always be considered in children presenting with urinary infection. A high degree of suspicion should be present during X-ray investigation. Surgery is nearly always required to cure the problem, vesicoureteric reflux requiring reimplantation and a ureterocoele involving both uncapping and reimplantation techniques. Heminephroureterectomy is rarely required except in cases of bizarre ectopic opening in which incontinence is the presenting feature and the associated renal segment is dysplastic. Ureteropyelostomy is required for the rare situation of saddle reflux in the bifid ureter of incomplete duplication. It is occasionally employed for complete duplication, but it must be stressed that the primary defect is always at the lower end of the ureter and such bypass surgery must be combined with a ureterectomy and, when necessary, reimplantation of the remaining ureters.
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PMID:Duplication of the upper urinary tract. 47 71

A review is made of the most outstanding, clinical facts in the U.P.R.D. with extravesical, ectopic, ureteral anastomosis, with special reference being made to the radiological diagnosis. The authors recall those stated in Weigert and Meyer's Law, as well as the deformities and deviations which may appear in the twin excretory systems as a result of their duplicity. They defend the subtotal heminephroureterectomy as the best means of therapy for correcting incontinence, providing that there is no ther concomitant anomaly or illness in the opposite kidney as well as in that of the duplicity itself. Two kinds of cases are presented: one bilateral with widening of the right, superior ureter in the urethra and the same on the left side in the vulva; the other left, unilateral with ectopia of the supernumerary ureter in the urethra.
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PMID:[Renopyeloureteral duplications with extravesicular dilatation of the ureters (bilateral case and unilateral case)]. 56 59

Smooth muscle preparations of the urethra, bladder, and ureter were obtained from patients undergoing operations for various urological disorders. The urethral preparations were contracted by noradrenaline (0.1-3 microgram . ml-1), prostaglandin F2alpha (1-10 microgram . ml-1), and potassium (127 mM), the bladder preparations by carbacholine (0.004-1 microgram . ml-1), prostaglandin F2alpha (1-10 microgram . ml-1), potassium (127 mM), and barium chloride (3 mM), and the ureter preparations by potassium (127 mM), and barium chloride (3 mM). Irrespective of the mode of activation, pretreatment with nifedipine (0.1 microgram . ml-1) for 10 min. reduced the responses. Nifedipine also relaxed preparations contracted by the contractile agents used. In 19 female patients, aged 20 to 73 years, undergoing investigation because of urgency and/or urge incontinence, simultaneous urethrocystometry at rest was performed before and after oral administration of 20 to 40 mg nifedipine. Bladder capacity and residual urine were also determined. Nifedipine did not affect the pressures within the bladder and urethra, nor did it increase the bladder capacity. However, after nifedipine intake there was a statistically significant increase in residual urine. The results suggest that nifedipine can inhibit contractile activity induced by drugs with different modes of action; the drug does not affect the tone in bladder and urethra.
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PMID:Effects of nifedipine on the smooth muscle of the human urinary tract in vitro and in vivo. 69 40

In the light of a case of right triple ureter in a 5 month old girl, the authors review the embryology of the ureter and describe the different types of triplication. A general review of the literature including 70 cases gives an indication of the circumstances of discovery and the contribution of radiology. The complications of complete ureteral triplication are the same but greater than those of complete duplication and are related to the ectopic position of the ureteral orifices with regard to the trigone. They are dominated by reflux and stasis in the case of high ectopia and by false incontinence (20% of cases) in low ectopia.
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PMID:[Triple ureter. One case. Diagnostic problem and review of the literature (author's transl)]. 87 25

The authors report five new cases of unilateral implantation of the ureter into the posterior urethra in boys. Study of these cases confirms the classical data, i.e.: --The chief presenting symptom is infection. There is no urinary incontinence. --The principle examinations useful in diagnosis are the I.V.P. and urethroscopy. --The ectopic termination is in most cases associated with a double ureter, arising from the upper pelvis. However, the ureter may be single (1/5). --In three cases out of five the upper kidney was dysplasic, necessitating partial nephrectomy. In two cases out of five the kidney corresponding to the ectopic ureter was functional, making possible conservatrice surgery with reimplantation of the pathological ureter into the bladder.
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PMID:[Unilateral implantation of the ureter into the posterior urethra in boys. 5 cases (author's transl)]. 91 99

A 16-week-old male cat with urinary incontinence was initially diagnosed as having a right ectopic ureter. Other abnormalities of the urinary system included phimosis, hydronephrosis, and localized right megaloureter. Surgical removal of the right kidney and right ureter was partially successful in stopping the urinary incontinence. Further radiographic studies and retrospective examination of initial radiographs revealed that the left ureter was also ectopic.
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PMID:Ectopic ureters in a male cat. 92 45

A rare case of urethral ectopic ureter without urinary incontinence is reported. Urinary continence was preserved because of the ectopic ureter passing through the external sphincter.
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PMID:Ectopic ureter passing through the external urethral sphincter: report of a case. 94 57

32 cases of single ectopic ureter have been reviewed. The more remote the ectopic orifice opens from its normal position the more severe were the associated renal anomalies. In the great majority of cases, the corresponding kidney was dysplastic and radiographically functionless. An embryological explanation is proposed to account for the association of single ectopic ureter with a dysplastic kidney. Clinical symptomatology was dribbling incontinence in most female cases and various urogenital complaints in male. An accurate preoperative diagnosis is usually reached with a pyelogram and micturating cystogram. In some female cases a vaginogram or direct puncture and opacification of a vaginal cystic mass may be contributive. In the male, a radiological non-functioning kidney on one side of the urogram associated with a cystic mass palpated above the prostate is pathognomonic of an ectopic ureter opening in the seminal tract. Deferentography may confirm this diagnosis. Treatment of the condition is surgical. In the great majority of cases nephroureterectomy is required. In the male, the abnormal seminal tract involved in this complex malformation should also be removed.
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PMID:The single ectopic ureter. 97 75

Presentation is made of a clinical case of paradojical urinary incontinence due to ectopic ureter in Gartner's duct. Diagnosis was made almost entirely from the patient's history, the child voids normally but she was always damp. Embryological, radiological and pathophysiological considerations are made; the patient showed sudden and positive continence after heminephrectomy.
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PMID:[Ectopic ureter in Gartner's duct. Report of a clinical case]. 100 26


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