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Introduction: Cannabis is the most widely used illegal psychoactive substance worldwide. Although there are clinical studies examining the differences between psychotic symptoms emerging after cannabis use and non-cannabis-related psychotic symptoms, data are limited in the scientific literature. We aimed to investigate the effects of cannabis use on psychotic symptoms and compare the cognitive function differences between the cannabis-user and non-user groups., Methods: First-episode psychotic patients were included in the study and divided into two groups based on cannabis use. Participants with cannabis use and without cannabis use were compared in terms of socio-demographic factors, psychotic symptoms, cognitive functions, and childhood trauma. All patients were assessed twice, during recruitment and after treatment for psychotic symptoms., Results: A total of 38 patients comprising of 18 patients with a history of cannabis use and 20 patients without a history of cannabis use were included. There were significant correlations between cannabis use, and living apart from family and family history of substance abuse. Negative psychotic symptoms were higher in the non-user group. The negative psychotic symptoms improved more significantly after treatment in the non-user group. There was a significant correlation between cannabis use and Stroop Color-Word Test scores., Conclusion: Our results give us a chance to argue that psychosis has different features in people with and without a history of cannabis use. These two phenomena could differ in many ways, so different prevention strategies and treatment options should be considered., Competing Interests: Conflict of Interest: The authors declared that there is no conflict of interest., (Copyright: © 2023 Turkish Neuropsychiatric Society.)

Percutaneous nephrolithotomy (PNL) is the primary treatment option for renal stones > 20 mm in diameter. Mini-PNL gained popularity with its minimally invasive nature. The aim of this study was to compare the efficiency of ballistic and laser lithotripsy with the combined use of both techniques. Data of 312 patients underwent mini-PNL for renal stones with Hounsfield Unit > 1000 was investigated retrospectively. We identified 104 patients underwent combined ballistic and laser lithotripsy. Propensity score technique was used to create the laser and ballistic lithotripsy groups. Groups were matched on stone size, stone density, and Guy's stone score. Primary end point of the study was to compare the stone free rate (SFR), complication rates, and duration of surgery. Mean age of the population was 49.4 ± 6.1, stone size was 24.6 ± 6.3 mm, and stone density was 1215 ± 89 HU. The groups were similar for age, stone size, stone density, and Guy's stone score. The SFR and the complication rates of the 3 groups were similar (p = 0.67). The duration of the surgery was shorter in the combined group (46.1 ± 6.3 min) compared to the laser lithotripsy (54.5 ± 6.6 min) and ballistic lithotripsy (57.2 ± 6.9 min) groups. Both laser and ballistic lithotripsy are effective methods for stone fragmentation during mini-PNL. Combined use of both methods has the potential to improve the fragmentation rates and diminish the operative times in case of high density stones.

Introduction: Invasive diagnostic and therapeutic procedures in pediatric urology may generally cause distress and pain in children. As a result, it may have a negative effect on adult and child behaviors. The anxiety, depression levels or distress and fear status caused by recurrent diseases or repetitive medical interventions in adult patients or the parents of pediatric patients have been investigated previously., Objective: To the best of our knowledge, we have not found a study evaluating the effects of primary or recurrent pediatric urological operations on parental anxiety. Our main aim was to compare the effects of primary and repetitive pediatric urological surgeries on the anxiety levels of both mothers and fathers. We also aimed to investigate the effects of other factors related to parents and children on parental anxiety., Design: A total of 163 patients under 14 years old who had undergone primary or recurrent pediatric urological operations and also their parents were included in a prospective, cross-sectional study. Demographic and clinical data of the patients and their parents were recorded. Before the surgeries, the Children's Fear Scale was applied to all patients over 3 years old and the State-Trait Anxiety Inventory was applied to all parents. The participants were divided into two main groups: primary surgery group (n:84) and recurrent surgery group (n:79). A subgroup analysis was performed according to surgery type (day surgery, minor surgery and major surgery)., Results: We found that repetitive surgeries, higher fear scores of children, parents' being younger, having low education level, not having enough information about the surgeries and presence of someone in the immediate vicinity who previously experienced the same surgery increased parental anxiety levels. Day surgeries did not affect fathers' state anxiety levels as much as minor and major surgeries, whereas mothers' state anxiety levels were higher than fathers' regardless of the surgery type. Children's fear level was not affected by child age, gender, surgery type or previous history of surgery., Discussion: The majority of studies in the literature show no significant difference in terms of pain and fear levels in pediatric patients undergoing repeated diagnostic interventions but there are contradictory results about parental anxiety levels. There is also a lack of studies on the effects of recurrent surgeries., Conclusion: According to our findings, repetitive surgeries and presence of someone who previously experienced the same surgery are the most significant predictive factors increasing parental anxiety levels., Competing Interests: Conflicts of interest The authors declare that they have no conflict of interest., (Copyright © 2020 Journal of Pediatric Urology Company. Published by Elsevier Ltd. All rights reserved.)

Objective: To determine the possible role of potassium sensitivity test (PST) in predicting the success of hydrodistention (HD) in patients with bladder pain syndrome/interstitial cystitis (BPS/IC)., Material and Methods: Patients who underwent PST before diagnostic cystoscopy and HD were evaluated to collect data regarding the visual analog score (VAS) to assess pain, the voiding diary for frequency of urination/nocturia, mean urine volume per void, interstitial cystitis symptom index, and problem index before HD. Patients were requested to provide the VAS of pain at 1 month and 6 months post-HD. A reduction 2 or more on the VAS of pain was considered as a response adequate to be noted., Results: The median age of the patients was 46 years. The PST was positive for 27 patients (27/39; 69.2%). At 1 month post-HD, out of the 27 patients with positive PST, 23 (85.2%) were found to have been responsive to HD and 4 (14.8%) were non-responsive. Of the 12 (12/39; 30.8%) patients who showed a negative PST, 7 (58.3%) were non-responsive and 5 (41.7%) were responsive to HD. A logistic regression analysis revealed that PST (p=0.009) was the only parameter that was able to predict HD efficacy at 1 month post-HD., Conclusion: PST was found to be a predictive factor for the short-term efficacy of HD. BPS/IC patients with positive PST are likely to be more susceptible to the damage of mucosal afferent nerve endings, which results in them benefiting from HD to a greater degree.