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    Are the urology operating room personnel aware about the ionizing radiation?
    (Brazilian Soc Urol, 2015) Tok, Adem; Akbas, Alparslan; Aytan, Nimet; Aliskan, Tamer; Cicekbilek, Izzet; Kaba, Mehmet; Tepeler, Abdulkadir
    Purpose: We assessed and evaluated attitudes and knowledge regarding ionizing radiation of urology surgery room staff. Materials and Methods: A questionnaire was sent by e-mail to urology surgery room personnel in Turkey, between June and August 2013. The questionnaire included demographic questions and questions regarding radiation exposure and protection. Results: In total, 127 questionnaires were answered. Of them, 62 (48.8%) were nurses, 51 (40.2%) were other personnel, and 14 (11%) were radiological technicians. In total, 113 (89%) participants had some knowledge of radiation, but only 56 (44.1%) had received specific education or training regarding the harmful effects of radiation. In total, 92 (72.4%) participants indicated that they used a lead apron and a thyroid shield. In the subgroup that had received education about the harmful effects of radiation, the use ratio for all protective procedures was 21.4% (n = 12); this ratio was only 2.8% (n = 2) for those with no specific training; the difference was statistically significant (p = 0.004). Regarding dosimeters, the use rates were 100% for radiology technicians, 46.8% for nurses, and 31.4% for other hospital personnel; these differences were statistically significant (p < 0.001). No significant relationship between working period in the surgery room, number of daily fluoroscopy procedures, education, task, and use of radiation protection measures was found. Conclusions: It is clear that operating room-allied health personnel exposed to radiation do not have sufficient knowledge of ionizing radiation and they do not take sufficient protective measures.
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    Effect of percutaneous nephrolithotomy on renal functions in children: assessment by quantitative SPECT of 99mTc-DMSA uptake by the kidneys
    (Taylor & Francis Ltd, 2015) Cicekbilek, Izzet; Resorlu, Berkan; Oguz, Ural; Kara, Cengiz; Unsal, Ali
    Objective: To determine the impact of percutaneous nephrolithotomy (PNL) on global and regional renal function in children. Methods: In total, 40 children (41 renal units) undergoing PNL were included in this prospective study. All patients were evaluated using quantitative single-photon emission computed tomography (QSPECT) with technetium-99 m-dimercaptosuccinic acid (Tc-99m-DMSA) examinations before and 3 months after surgery. Results: The mean age was 9.5 years (range, 3-16), and the mean stone size was 3.4 cm (range, 2-6.5). Of the cases, 39 (95%) were managed as being stone-free after a single session of PNL. After additional treatment procedures, 40 (97.5%) of the cases were managed as being stone-free. Of the 41 renal units, new focal cortical defects on Tc-99m-DMSA scans were seen in 4 (9.7%) patients. Total relative uptake in the treated kidneys increased from 42.3% to 44.1%. The mean creatinine level before PNL was 1.18 +/- 0.45 (0.8-1.6) mg/dL compared with 1.16 (0.7-1.5) mg/dL by the end of the follow-up period (not statistically significantly different, p>0.05). Conclusions: PNL in children is a safe and feasible method for the maximal clearance of stones. QSPECT of Tc-99m-DMSA confirmed that renal function is preserved or even improved after percutaneous stone removal.