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    The effectiveness of local steroid injection after internal urethrotomy to avoid recurrence
    (PAGEPRESS PUBL, 2015) Yildirim, Mehmet Erol; Kaynar, Mehmet; Ozyuvali, Ekrem; Badem, Huseyin; Cakmak, Muzaffer; Kosem, Bahadir; Cimentepe, Ersin
    Objective: Local steroid injection to the stricture region after internal urethrotomy (IU) is a promising technique to avoid the recurrence, although the effectiveness and safety of this technique is still controversial. We aimed to determine the efficacy and safety of local steroids as applied with the IU procedure. Material-Method: A total of 83 patients data with urethral stricture in men were examined retrospectively. Patients classified in two groups who had steroid injection with internal urethrotomy or not. Metil prednisolone 40 mg was injected with transurethral injection needle in the stricture region at the 5, 7 and 12 o'clock sites at the same session with internal urethrotomy. Procedure was considered successful if patient did not report any voiding difficulty and maximum flow rate > 15 mL/second for a voided volume of at least 150 mL after removal of the catheter. Patient's age, time to recurrence, previous recurrences were evaluated. Results: The mean age was 56.4 (18-83) years. Of those patients 33/83 had recurrent stenosis. Nineteen out of these 33 recurrent stenosis patients were treated with local steroid injection and 14/33 had no injection. Only two patients of the steroid treated group had recurrence. Despite that 12 patients had recurrence in the steroid non-treated group. Also the primary stenosis patients showed no recurrence at the steroid+ IU group. Conclusions: The use of local steroids with IU seems to decrease the high stricture recurrence rate following IU. When local steroids were administered with complementary intention, the disease control outcomes are encouraging. Further robust comparative effectiveness studies are now required.
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    What is harmful for male fertility: Cell phone or the wireless internet?
    (WILEY, 2015) Yildirim, Mehmet Erol; Kaynar, Mehmet; Badem, Huseyin; Cavis, Mucahit; Karatas, Omer Faruk; Cimentepe, Ersin
    In this study, we aimed to assess the potential harmful effects of radiofrequency-electromagnetic radiation on sperm parameters. We requested semen for analyses from the male patients coming to our infertility division and also asked them to fill out an anonymous questionnaire. We queried their mobile phone and wireless internet usage frequencies in order to determine their radiofrequency-electromagnetic radiation exposure. A total of 1082 patients filled the questionnaire but 51 of them were excluded from the study because of azoospermia. There was no significant difference between sperm counts and sperm morphology excluding sperm motility, due to mobile phone usage period, (p = 0.074, p = 0.909, and p = 0.05, respectively). The total motile sperm count and the progressive motile sperm count decreased due to the increase of internet usage (p = 0.032 and p = 0.033, respectively). In line with the total motile sperm count, progressive motile sperm count also decreased with wireless internet usage compared with the wired internet connection usage (p = 0.009 and p = 0.018, respectively). There was a negative correlation between wireless internet usage duration and the total sperm count (r = -0.089, p = 0.039). We have also explored the negative effect of wireless internet use on sperm motility according to our preliminary results. Copyright (C) 2015, Kaohsiung Medical University. Published by Elsevier Taiwan LLC. All rights reserved.