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  • 1
    Electronic Resource
    Electronic Resource
    Pelvic congestion syndrome caused by inferior vena cava reflux (2000)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 7 (2000), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We present a female patient who had pelvic congestion syndrome caused by inferior vena cava reflux associated with tricuspid regurgitation, but without other symptoms or signs related to her tricuspid regurgitation. Bladder pumping therapy was effective in improving her symptoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2000.00157.x
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  • 2
    Electronic Resource
    Electronic Resource
    Transitional cell carcinoma of the renal pelvis forming tumor thrombus in the vena cava (2001)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 8 (2001), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract A 47-year-old man presented with a left renal incidentaloma without hematuria. The tumor was complicated by inferior vena cava (IVC) thrombus extending from Th11 to L4. A temporary IVC filter was introduced prior to surgery. A midline incision was used to perform a left radical nephrectomy and en bloc lymphadenectomy with excision of the inferior vena cava from above the level of the left renal vein to 2.5 cm above the confluence of the common iliac veins. The pathological diagnosis was invasive transitional cell carcinoma. The tumor thrombus consisted of transitional cell carcinoma that histologically invaded the walls of the IVC. He died of cancer 17 months after the operation for the liver metastases. This is the 18th case report of such a presentation in the literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2001.00373.x
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  • 3
    Electronic Resource
    Electronic Resource
    Glyoxylate determination in rat urine by capillary electrophoresis (2001)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 8 (2001), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Oxalate is important in the study of renal stone formation and is derived from the endogenous metabolism of glyoxylate. The aim of this study was to determine urinary glyoxylate levels by capillary electrophoresis (CE). Urine specimens were obtained from 25 male Wistar rats (16 rats intravenously injected with 10 mg or 20 mg glyoxylate and nine controls) by bladder puncture 1 h after administration of glyoxylate or saline. Urinary glyoxylate was measured by CE using an electrolyte composed of 5 mmol/L pyridinedicarboxylic acid and 0.5 mmol/L cetyltrimethylammonium bromide (pH 5.6 and 11.0). The mean ± SD urinary glyoxylate concentration was 43.1 ± 14.7 μmol/L in control rats, 722.8 ± 165.5 μmol/L in rats given 10 mg of glyoxylate and 1290.0 ± 470.8 μmol/L in rats given 20 mg of glyoxylate. The mean ± SD recovery after spiking 675.7 μmol/L of glyoxylate into 16 urine specimens was 98.82 ± 12.81%. When the reproducibility of urinary glyoxylate determination was assessed, the intra-assay coefficient of variation (CV) ranged from 1.38 to 2.59% and the inter-assay CV ranged from 2.94 to 6.69%. Capillary electrophoresis enables sensitive and reproducible determination of urinary glyoxylate levels in rats. This method appears to be suitable for laboratory use and has the advantage of determining glyoxylate and several other urinary anions simultaneously.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2001.00337.x
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  • 4
    Electronic Resource
    Electronic Resource
    Distal ureteral atresia: Recovery of renal function after relief of obstruction at ten months old (2005)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 12 (2005), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  A large cystic mass that occupied more than half of the abdomen was identified by ultrasound in a 10-month-old boy. Intravenous pyelography failed to visualize the right kidney, so we created a loop ureterocutaneostomy followed by temporary nephrostomy to improve renal function. Exploratory surgery revealed complete atresia of the distal right ureter. A ureteral stricture developed after ureteroneocystostomy and undiversion of the loop, so a second reconstruction procedure was required (pelvi-ureteroplasty and reimplantation of the right ureter with a psoas hitch) to free the patient from dependence on catheters. Despite the occurrence of giant hydronephrosis secondary to complete ureteral obstruction at the age of 10 months, the function of the right kidney could be preserved. Accordingly, aggressive attempts to promote functional recovery may be justified even when patients have advanced hydronephrosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1442-2042.2005.01103.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of KMD-3213, an α1A-adrenoceptor antagonist, on the prostatic urethral pressure and blood pressure in male decerebrate dogs (2001)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 8 (2001), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: KMD-3213 is an α1A-adrenoceptor-selective antagonist currently being developed for the treatment of urinary outlet obstruction in patients with benign prostatic hyperplasia. In the present study, the uroselectivity of KMD-3213 was evaluated and compared with that of prazosin and tamsulosin in a decerebrate dog model.Methods: Intercollicular decerebration was carried out in male mongrel dogs under anesthesia. The inhibitory effects of intravenously and intraduodenally administered compounds on the increase in intraurethral pressure (IUP) induced by electrical stimulation of the hypogastric nerve were estimated. Systemic blood pressure was measured simultaneously.Results: The α1-antagonists tested produced a dose-dependent inhibition of the induced IUP response and decreased mean blood pressure (MBP). The ID50 of KMD-3213, tamsulosin and prazosin for IUP (dose required to inhibit the increase in IUP by 50%) was 3.15, 1.73 and 11.8 μg/kg i.v., respectively, and the ED20 for the hypotensive effect (dose required to reduce MBP by 20%) was 8.03, 0.59 and 2.46 μg/kg i.v., respectively. The data indicate that uroselectivity (ED20/ID50) of KMD-3213 is 12- and 7.5-fold higher than that of prazosin and tamsulosin, respectively. When the drugs were administered intraduodenally, KMD-3213 was sufficiently absorbed from the digestive tract and continued to demonstrate at least 3.8-fold higher uroselectivity than tamsulosin.Conclusion: Based on these findings, KMD-3213 appears to be an effective orally active compound for decreasing urethral resistance during micturition that does not induce any negative cardiovascular effects in patients with benign prostatic hyperplasia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2001.00277.x
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  • 6
    Electronic Resource
    Electronic Resource
    Poorly differentiated sarcoma of the prostate causing obstructive acute renal failure: A case report (1999)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 6 (1999), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 12-year-old boy presented to the Naha Municipal Hospital complaining of back pain. After intravenous pyelography, computed tomography, magnetic resonance imaging, ultrasonography and biopsy, he was suspected to have sarcoma of the prostate and was referred to the University of the Ryukyus Hospital. Acute renal failure of the post renal type was evident, accompanied by minimal hydronephrosis. Emergency hemodialysis and right ureterostomy were performed, as was a transurethral prostate biopsy. The specimen showed a poorly differentiated sarcoma not otherwise classifiable. After recovery from surgery, chemotherapy was attempted over 2 months, but the patient died of tumor 250 days after admission.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.1999.00123.x
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  • 7
    Electronic Resource
    Electronic Resource
    Impact of citrate therapy on the circadian rhythm of urinary magnesium ammonium phosphate saturation in normal individuals (2000)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 7 (2000), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Alkaline citrate has been used widely in the prevention of stone formation. However, the risk of struvite stone during the alkalinizing therapy has not been adequately studied in terms of magnesium ammonium phosphate saturation. Methods : The circadian rhythm of the urinary saturation of magnesium ammonium phosphate was estimated by using the differential Gibbs' free energy values of magnesium ammonium phosphate before and during 5 days of treatment with sodium–potassium citrate (1 g t.i.d., 1 g q.i.d. or 3 g t.i.d.) in five healthy male volunteers. Results : The magnesium ammonium phosphate saturation varied during the day, peaking far below the solubility product between 08.00 and 10.30 h and between 13.00 and 18.00 h. The mean peak levels were increased by each treatment regimen in comparison with the control day. The mean increase on day 1 was significant between 10.30 and 23.00 h with the 3 g t.i.d. regimen, but the mean saturation still remained below the solubility product throughout the day. Conclusions : The urinary magnesium ammonium phosphate saturation appeared hard to exceed the solubility product with a high dose of alkaline citrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2000.00196.x
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of hypertension on lower urinary tract symptoms in benign prostatic hyperplasia (2003)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 10 (2003), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aim:  To clarify the influence of hypertension on lower urinary tract symptoms (LUTS) we examined the relationship between blood pressure, LUTS, and the effect of terazosin on LUTS in patients with benign prostatic hyperplasia (BPH).Methods:  The subjects were patients who had LUTS and BPH. They were treated with terazosin (1 mg, twice-a-day) for 12 weeks. Calculation of the International Prostate Symptom Score (IPSS), measurement of blood pressure, and uroflowmetry were performed before and after 12 weeks of therapy. Patients were divided into a normotensive (NT) group and a hypertensive (HT) group at the time of first examination.Results:  The IPSS for urinary frequency and nocturia in BPH-HT patients (n = 21; mean age, 71 years) were significantly higher than those in the BPH-NT patients (n = 21; mean age, 69 years) before the administration of terazosin. The total IPSS the BPH-HT patients was also significantly higher than that of the BPH-NT patients. There were no differences of uroflowmetric parameters between the two groups. After 12 weeks of therapy, systolic and diastolic blood pressure decreased in the BPH-HT patients, but not in the BPH-NT patients. However, the systolic pressure of the BPH-HT patients was still significantly higher than that of the BPH-NT patients. The score for each IPSS parameter decreased in both groups, but the difference of the score between the two groups increased.Conclusion:  Hypertension may worsen LUTS and may decrease the improvement of symptoms by terazosin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2003.00707.x
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  • 9
    Electronic Resource
    Electronic Resource
    Transabdominal vesical sonography of urethral syndrome and stress incontinence (2003)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 10 (2003), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Transabdominal ultrasonography was used to study the bladder neck morphology in women with urethral syndrome or stress urinary incontinence, in order to determine the ultrasonographic findings of these conditions.Methods: A total of 210 female patients with a normal bladder, asymptomatic trigonitis, urethral syndrome, and stress incontinence were studied. The mucosal thickness around the bladder neck, the length of the anterior base plate of the bladder, and the anteroposterior vesical wall angle (APVA) at the bladder neck were measured on sagittal transabdominal vesical ultrasonograms with the patient in the supine position.Results: Patients with asymptomatic trigonitis or urethral syndrome had thicker mucosa around the bladder neck than the subjects with a normal bladder, and the subjects with stress incontinence had normal mucosa. The APVA was 158 ± 17 (mean ± SD) degrees in the subjects with a normal bladder. It was smaller in symptomatic patients and decreased to 109 ± 10 degrees in those with conservative therapy-resistant incontinence. The anterior edge of the vesical base plate was visible approximately 2 cm from the bladder neck in subjects without incontinence, while it tended to be absent in patients with incontinence and an APVA of less than 126 degrees.Conclusion: A small APVA appears to reflect bladder neck descent, while a small APVA without a visible anterior base plate edge may reflect hypotonia of the vesical base plate. Transabdominal vesical ultrasonography with the patient in the supine position provides useful information and can be carried out as a routine examination in female patients with micturition disorders.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2003.00556.x
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  • 10
    Electronic Resource
    Electronic Resource
    Oxalate-degrading Providencia rettgeri isolated from human stools (2005)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 12 (2005), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  Background:  Oxalate-degrading bacteria are thought to metabolize intestinal oxalate and thus decrease the urinary excretion of oxalate by reducing its intestinal absorption.Methods:  We have isolated several novel oxalate-degrading bacteria from human stools. Oxalate degrading bacteria were investigated to characterize their protein profiles with antibodies against oxalyl-coenzyme A decarboxylase (65 kDa) and formyl-coenzyme A transferase (48 kDa) purified from Oxalobacter formigenes.Results:  One of these isolates was identified as Providencia rettgeri, which showed two proteins (65 kDa and 48 kDa) on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) that were not found in non-oxalate-degrading P. rettgeri. Antibodies reacted with the 65 and 48 kDa proteins from the P. rettgeri strain on Western blotting. An Oxalobacter formigenes formyl-coenzyme A transferase gene probe reacted with chromosomal DNA from P. rettgeri on Southern blotting under high stringency conditions, while an Oxalobacter formigenes oxalyl-coenzyme A decarboxylase gene probe did not react under the same conditions.Conclusions:  The mechamism of oxalate degradation by P. rettgeri appears to be similar to that of Oxalobacter formigenes. This is the first report of a facultative oxalate-degrading organism that is one of the Enterobacteriaceae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1442-2042.2005.01083.x
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