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1.
Int. braz. j. urol ; 49(4): 452-461, July-Aug. 2023. tab, graf
مقالة ي الانجليزية | LILACS-Express | LILACS | ID: biblio-1506398

الملخص

ABSTRACT Purpose: Sling as a therapeutic option for male stress urinary incontinence (SUI) has been reviewed in the last two decades, as it is a relatively simpliest surgery compared to artificial urinary sphincter and has the ability to modulate urethral compression. This study aims to evaluate the efficacy, rate of complications, quality of life and the effects on bladder emptying of the Argus T® compressive and ajustable sling in moderate and severe male SUI treatment. Materials and Methods: Men eligible for stress urinary incontinence treatment after radical prostatectomy were recruited and prospectively evaluated, from March 2010 to November 2016. It was selected outpatient men with moderate and severe SUI, after 12 months of radical prostatectomy, who have failed conservative treatment. All patients had a complete clinical and urodynamic pre and post treatment evaluation, by means of clinical history, physical examination, urine culture, 1-hour pad test and ICIq-SF questionnaire. The UDS was performed after 12, 18 and 24 months postoperatively. Results: Thirty-seven men underwent sling surgery, 19 patients (51.4%) with moderate and 18 (48.6%) with severe SUI. The minimum follow-up time was 5 years. Overall, we had a success rate of 56.7% at 60 months follow-up. After surgery, we did not observe significant changes in the urodynamic parameters evaluated during the follow-up. No patient had urodynamic bladder outlet obstruction (BOO) after sling implantation. Readjustment of the Argus T® sling was performed in 16 (41%) of the patients and 51% of the patients reported some adverse event. Conclusion: We demonstrate a long-term efficacy and safety of Sling Argus T® as an alternative to moderate and severe male SUI treatment. Furthermore, in our study bulbar urethra compression does not lead to bladder outlet obstruction.

2.
Ciênc. cult. (Säo Paulo) ; 48(1/2): 55-63, Jan.-Apr. 1996.
مقالة ي الانجليزية | LILACS | ID: lil-191243

الملخص

Oxyygen free radicals are highly reactive species that damage several cellular macromolecules and organelles, including membrane lipid peroxidation and produce DNA lesions. We have discussed here; i) The mechanism of radiation-induced cellular damage in bacteria through the intermediation of active oxygen species; ii) the cellular inactivation and the role of bacterial SOS and OxyR systems in the repair of lesions induced by H2O2 under low iron condition; iii) the lethal interaction between H2O2 and o-phenanthroline in E. coli; iv) the biological response induced by near-UV radiation mediated by active oxygen species and finally v) the mutagenic potential of popular plant extracts like guaraná (Paullinia cupana), mate (Ilex paraguariensis) and saiao (Kalanchoe brasiliensis), whose effects are eventually mediated by active oxygen species.


الموضوعات
Bacteria , Cells/radiation effects , DNA Damage , Reactive Oxygen Species , Oxidants/pharmacology , Oxidative Stress , Lipid Peroxidation , Hydrogen Peroxide/pharmacology , Escherichia coli , Free Radicals , Iron , Mutagenesis , Plant Extracts , Plants, Medicinal , Radiation, Ionizing
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