Publications by authors named "Osama M Elgamal"

Purpose: The purpose of this study is to investigate the efficacy and safety of mirabegron versus solifenacin in the treatment of newly diagnosed overactive bladder (OAB) in children.

Methods: We conducted a prospective randomized controlled study on pediatric patients with newly diagnosed OAB. Patients were randomized into 3 groups: mirabegron (50 mg once daily) in group I, solifenacin (5 mg) in group II, and placebo in group III.

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Objective: To evaluate the efficacy of our simply designed trainer for junior urologists to acquire the initial skills for percutaneous renal access (PRA).

Subjects And Methods: Three sponge sheets (60 × 50 × 10 cm) were arranged horizontally over each other. A rectangular groove was made in the middle sheet to accommodate an inflated balloon of a Foley catheter, radio-opaque metal balls, metal rings, or a plastic tube that were sequentially placed for the four training tasks.

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Objective: To evaluate the efficacy of intermittent percutaneous tibial nerve stimulation (PTNS) as a treatment modality for patients with refractory interstitial cystitis/bladder pain syndrome (IC/BPS).

Patients And Methods: Twenty female patients with IC/BPS (mean symptom duration of 4.5 ± 2.

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Objective: To determine the incidence of symptomatic and 'silent' obstruction after ureteroscopic procedures.

Patients And Methods: In all, 1980 patients underwent ureteroscopy for ureteric calculi in two large centres. The methods of disintegration, auxiliary procedures used and type of stenting were considered.

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Purpose: To assess the impact of short-term treatment with cyproterone acetate (CPA) on intraoperative and early postoperative complications of transurethral resection of relatively large prostate.

Patients And Methods: We recruited patients with prostate size of 60-90 g and randomized them into two equal groups. The first one had 50 mg of CPA orally twice a day (bds) for 2 weeks before the operation and maintained it for an extra week postoperatively.

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We describe a simple modification in Hautmann neobladder that involves an elongation of its left chimney to advance it through the pelvic mesocolon in order to reach the left ureter in its original place. This technique was carried out on 27 patients who had Hautmann pouch after radical cystectomy, and we reported the outcome and complications that occurred at the site of urteteroileal anastomosis in the first 3 years after surgery. The modification was applied easily without any perioperative complications that were related to this step in particular.

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Unlabelled: Abstract Purpose: We describe an extended training program using the pelvitrainer to improve the basic laparoscopic skills of the junior urologists.

Materials And Methods: Ten junior residents were involved in our program that consisted of an hour of training every other day; every 3 hours represented one training session. This curriculum started with 4 inanimate tasks that included peg transfer, disc cutout, extracorporeal, and intracorporeal knot tying.

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Purpose: Vesicovaginal fistula is a socially debilitating problem with important psychological and medicolegal implications. Complicated fistulas include large fistulas or those with failed prior repair attempts. The key to successful closure of such fistulas is the use of adjuncts such as a Martius, peritoneal or omental flap.

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Objectives: The objective of this study was to evaluate the results of internal urethrotomy with endoscopically placed small intestinal submucosa (SIS) graft for treatment of selected cases of recurrent urethral stricture.

Patients And Methods: This prospective study included 10 patients with recurrent inflammatory bulbar urethral stricture of 0.5-2 cm in length with no dense spongiofibrosis.

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Many risk factors have been implicated in the pathogenesis of erectile dysfunction (ED), but it is not clearly evident which of these factors are more relevant among the young population. The aim of this project was to find the most significant risk factors for this disease in young patients. We included 434 patients with organic ED younger than 40 years and 272 age-matched controls.

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Objective: To assess the influence of glutathione S-transferases M1 and T1 (GSTM1 and T1) genotype on the risk of bladder cancer in patients with urinary bilharziasis.

Materials And Methods: This study was designed as a case-control study that involved 60 individuals who were enrolled into 3 equal groups. The first one included patients with bilharzial bladder cancer, the second one had those with nonmalignant urinary bilharziasis, and the last one was the control group.

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Objective: To evaluate the 5-year results of the following trimodal therapy for treatment of some selected cases of muscle invasive bladder cancer.

Materials And Methods: In this prospective study, we included 104 patients with transitional cell carcinoma (TCC) (T2 and T3a, N0, M0) who were amenable to complete transurethral resection. All patients received adjuvant chemo-radiotherapy (CRT) in the form of gemcitabine and cisplatin and conventional radiotherapy after the maximum resection of their tumors.

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Objective: To investigate the pharmacology and functionality of alpha(1)-adrenoceptors in human corpus cavernosum, and to determine the predominant subtype.

Materials And Methods: Cavernosal tissue specimens were obtained from the penises of 22 men (mean age 37.4 years) removed during gender re-assignment surgery.

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