الفهرس 
The UrethraOnly 14 pages are availabe for public view
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Abstract
Background: Urethral stricture is one of the most difficult urological problems to cure adequately and is known to mankind since ages as it has been documented in ancient literature of Egyptians and Greeks.
Aim of the Work: The aim of our study is to evaluate and compare the outcomes of Ho: YAG laser urethrotomy with the conventional cold-knife technique as regards treatment outcomes, efficacy and complications.
Patients and Methods: A total of 20 male patients presented to the Urology department at El Maadi Military Hospitals and Ain Shams University Hospitals with diagnosed urethral strictures requiring optical internal urethrotomy were included in this study. Patients were randomized into two groups: In group A (Holmium group); 10 patients underwent internal urethrotomy with Holmium laser. In group B (Cold knife group): 10 patients underwent internal urethrotomy with Sachse cold knife.
Results: 20 male patients, of age group 18-60 years were randomly divided into Holmium and Cold knife group, 10 patients in each arm. Based upon uroflowmetry, assessment of treatment effectiveness and complications were made at 3 months follow-up. Post-operative fall in the peak flow rate was noted during the follow up in both groups, but the rate of fall was different. Initially, on first post-operative day, peak flow rate in Holmium group was higher than Cold knife group, reached at parallel level at around day 15. Thereafter persistent fall in peak flow rate in uroflowmetry was observed in Holmium group compared to Cold Knife group and at the end of third month, the difference was statistically significant indicating persistent effect of urethrotomy in later group.
Conclusion: In our study, recurrence in Holmium group 1 out of 10 patients and none for Cold knife group, which may be due to shorter duration of follow up.