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    Comparison of Retrograde Intrarenal Surgery and Micro-percutaneous Nephrolithotomy for Kidney Stones 5-10 mm in Diameter
    (Galenos Yayincilik, 2020) Guner, Bayram; Gunaydin, Bilal
    Aim: To compare the results of micro-percutaneous nephrolithotomy (micro-PNL) and retrograde intrarenal surgery (RIRS) for symptomatic renal stones 5-10 mm in diameter. Methods: A total of 86 patients, who underwent RIRS (n=53) and micro-PNL (n=23), were evaluated retrospectively. Urine analysis, serum creatinine level, urine culture and non-contrast computed tomography scan were performed in all patients preoperatively. Kidney stones were opaque in all cases. Unresolved coagulopathy, active urinary infection, morbid obesity, missing data and pregnancy were considered the criteria for exclusion. The groups were compared in terms of operative time, Visual analogue scale score, analgesic requirement, retreatment, transition to other treatment, complication and stone-free rates and length of hospital stay. Results: Both surgical techniques were similar for all parameters except need for analgesics, which was higher in the micro-PNL group (p=0.026). The stone-free rate was 85.7% in the RIRS group and 78.2% in the micro-PNL group (p=0.43). Conclusion: Both methods can be administered as alternative modalities with high success and low complication rates. However, analgesics requirement was higher in micro-PNL group.
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    Using Polidocanol in Treatment of Simple Renal Cyst
    (Springer India, 2020) Guner, Bayram; Gunaydin, Bilal
    The aim of this study was to assess the efficacy of polidocanol in patients with simple renal cysts who were not eligible for surgery due to comorbidities. Twenty-nine patients with Bosniak type 1 or 2 were assessed retrospectively. All of the cysts were exophytic. All of the patients were injected a maximum 20 mL 3% polidocanol as a sclerosing agent following cyst aspiration. Vanishing of symptoms and decrease in size to 10% of the initial size were accepted as complete remission, decrease in size to 10-50% of the initial size was accepted as partial remission, and a return to the initial size of the cyst in a short time or decrease in size > 50% of the initial size was accepted as failure. The results of an average of 14 months' follow-up are reported. Complete remission was seen in 18 (62%) patients, partial remission was seen in 5 (17.2%) patients, and failure was observed in 6 (20.68%) patients during an average of 14 months' follow-up. Percutaneous sclerotherapy using polidocanol can be used safely and with low complication rates in the elderly population with comorbidities.