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Fayad, A., M. G. El-Sheikh, H. El-Fayoumy, and R. El-Sergany, "Effect of Extracorporeal Shock Wave Lithotripsy on Kidney Growth in Children", THE JOURNAL OF UROLOGY, vol. 188, issue 3, pp. 928-931, 2012. Abstract1-s2.pdf

We investigated whether shock wave lithotripsy affects kidney growth in children.

Materials and Methods
This prospective controlled study included 150 children with renal stones who presented for shock wave lithotripsy between March 2005 and February 2010 (group A). The control arm included 100 children without any urological problems who were enrolled in the study after obtaining written maternal consent (group B). All children in both groups underwent abdominal ultrasound to assess renal size (bipolar renal length), which was repeated after 6 months for group A and after 1 year for both groups.

Bipolar renal size in group A increased significantly at 6 months and 1 year after shock wave lithotripsy. Renal growth did not differ based on patient age at shock wave lithotripsy (p = 0.472), number of shock wave lithotripsy sessions (p = 0.65) or number of stones (p = 0.405). There was no significant difference between the rate of kidney growth in children who underwent shock wave lithotripsy during the year of the study and normal controls.

Shock wave lithotripsy has no deleterious effect on the normal rate of renal growth in children. This outcome is not affected by either the number of stones or the age of the child at shock wave lithotripsy.

Fayad, A., M. G. Elsheikh, T. Zakaria, H. A. Elfettouh, and R. Alsergany, "Holmium laser enucleation versus Bipolar resection of the prostate: A prospective randomized. Which to choose? ", Journal of endourology, vol. 25, issue 8, pp. 1347-1352, 2011. holmium_laser_enucleation_versus_bipolar_resection_of_the_prostate.pdf
M.G.Elsheikh, and A. Fayad, "A Two-Stage Buccal Mucosal Graft (BMG) for Managing Recurrent Proximal Penile Hypospadias in Pediatric & Adolescent Populations", Open Journal of Urology,, vol. 1, pp. 4-7, 2011. AbstractCU-PDF

Introduction: The presence of a recurrent proximal penile hypospadius represents a surgical challenge to the urologist due to the presence of excessive scarring and fibrosis of the tissues. This problem is more pronounced in circumcised patients, in whom there is no enough skin for one stage procedures. Buccal mucosal grafts represent a good surgical option. The aim of this study was to evaluate the results of two stages buccal mucosal urethroplasty in pediatric & adolescent patients, presenting with recurrent proximal penile hypospadias who are circumcised. Methods: Thirty seven pediatric & adoles-cent patients underwent two stages buccal mucosal urethroplasty for recurrent proximal penile hypospadius. In all cases the buccal graft was placed dorsally followed by the second stage closure after 6 months. Results: The mean age was 17.7 (14-20) years. With a mean follow-up of 28.3 months, 33 patients (89.2%) had a final successful outcome. Of the 4 cases that were considered as failure, 3 patients (8.1%) developed urethra-cutaneous fistula that required closure after 3 months. The remaining patient developed meatal stenosis. Conclusion: Although buccal mucosal urethroplasty is a two staged procedure, it is feasible option for pediatric & adolescent patients presenting with recurrent proximal penile hypospadius, who had no skin available for penile flaps, with a success rate approaching 89.2%.

Fayad, A., M. G. El-Sheikh, M. AbdelMohsen, and H. AbdelRaouf, "Evaluation of Renal Function in Children Undergoing Extracorporeal Shock Wave Lithotripsy", THE JOURNAL OF UROLOGY, vol. Vol. 184,, pp. 1111-1115, 2010. Abstractevaluation_of_renal_function_in_children_undergoing.pdf

The effect of extracorporeal shock wave lithotripsy on the growing kidneys of young children has always been a concern. We determined whether shock wave lithotripsy causes renal parenchymal scarring or affects glomerular filtration rate in children.
This prospective study included 100 children with renal stones who presented to the shock wave lithotripsy unit at our institution between March 2005 and March 2008. A total of 28 children had multiple stones in the same kidney. All children with bilateral renal stones had 1 kidney cleared of stones by percutaneous nephrolithotomy before undergoing shock wave lithotripsy. A total of 138 stones were subjected to shock wave lithotripsy. All children underwent radionuclide scan of the renal parenchyma using dimercapto-succinic acid, and glomerular filtration rate was estimated using diethylenetriamine pentaacetic acid before extracorporeal shock wave lithotripsy and 6 months afterward. Children with renal scarring due to previous surgery or vesicoureteral reflux were excluded from the study. The number of shock wave lithotripsy sessions to achieve stone-free status and the dose of shock waves used were recorded for each patient.
No patient demonstrated renal parenchymal scarring on dimercapto-succinic acid scan or any statistically significant change in glomerular filtration rate on diethylenetriamine pentaacetic acid scan up to 6 months after shock wave lithotripsy.
Shock wave lithotripsy is a safe modality for treating renal calculous disease in children up to 16 years old, with no impact on long-term kidney function.

Mohamed, M. A., A. S. Fayad, Mohamed G ElShiekh, H. M. ElFayoumy, and A. R. E. Hegazy, "Impact of Inguinal Varicocele Ligation on Testicular Volume, Sperm Parameters, and Pregnancy Rates", UroToday International Journal, vol. 4, 2010.
Elgamarawy, H., A. Fayad, and M. G. Elsheikh, "5. Polypropylene Mesh used as a pubovaginal sling in the treatment of female stress urinary incontinence –Preliminary Experience.", African Journal of Urology, vol. 15, issue 1, 2009.
El-Sheikh, M. G., A. M. Ziada, S. Z. Sadek, and I. Shoukry, "Pediatric and adolescent transperineal anastomotic urethroplasty", Journal of Pediatric Urology , , vol. 4, pp. 333-336, 2008. pediatric_and_adolescent_transperineal_anastomotic_urethroplasty.pdf