Urolitiasis

OBJECTIVE: In this study, we present our extracorporeal shock wave lithotripsy (ESWL) outcomes in urolithiasis patients under the age of two. MATERIALS AND METHODS: The procedure was performed with patients < 2 years of age sedated, under anesthesia using ketamine and Dormicum (midazolam), in the supine position. Fragmentation was evaluated by fluoroscopy after the procedure. RESULTS: A total of 74 procedures were performed on 65 kidneys...

OBJECTIVES: This study evaluates the impact of using an access sheath (AS) during flexible ureteroscopy (fURS) for urolithiasis treatment, focusing on outcomes such as stone-free rate, operation time, and complications. METHODS: This prospective, randomized study was carried out at Badr Hospital, Helwan University, and Ain Shams University hospitals from August 2021 to August 2022. Patients were systematically randomized into two groups (fURS with AS: 33 patients and without AS: 31 patients) and underwent preoperative and postoperative assessments, including lab tests and imaging...

INTRODUCTION: Lithiasis in renal graft recipients might be a dangerous condition with a potential risk of organ function impairment. EVIDENCE ACQUISITION: A systematic literature search was conducted through February 2023. The primary objective was to assess the incidence of lithiasis in kidney transplant (KT) recipients. The secondary objective was to assess the timing of stone formation, localization and composition of stones, possible treatment options, and the incidence of graft loss...

INTRODUCTION: The use of extracorporeal shock wave lithotripsy (ESWL) for lower calyx stones is associated with a high rate of residual fragments. Our aim is to analyse the effectiveness and complications of ESWL for lower calyx stones. METHODS: Retrospective review of patients with lower renal calyx stones treated with ESWL between January-2014 and December-2020. Measurement of infundibular length, infundibular width and infundibulopelvic angle in lower renal pole to determine favourable anatomy...

INTRODUCTION AND OBJECTIVES: Ureteral stricture is a chronic condition that can result in the obstruction of urinary drainage from the affected renal unit, leading to loss of renal function. reatment methods can be categorized into two main headings: endourological and reconstructive procedures. We aimed to investigate the efficacy and safety of the self-expandable Allium® ureteral stent, which has been used in the minimally invasive treatment of ureteral stenosis in recent years...

INTRODUCTION AND OBJECTIVES: As well established flexible ureteroscopy (RIRS). There is still no evidence if gender can have any influence on the outcomes and complication when performing. This study aims to evaluate the role that gender has in performing flexible ureteroscopy from a large series of patients. METHODS: This study retrospectively analyzed patients who underwent RIRS for renal stones from January 2018 to August 2021 within the multicentric FLEXOR registry...

Percutaneous nephrolithotomy (PCNL) is the gold standard of treatment for large renal calculi. Papillary puncture is the mainstay of treatment for large renal calculi, but the non-papilary has been introduced and gained some interest. The aim of this study is the investigation of trends of non-papillary access for PCNL over the years. A review of the literature took place and 13 publications were included in the study. Two experimental studies investigating the feasibility of non-papillary access were found...

INTRODUCTION: Radiation via the use of imaging is a key tool in management of kidney stones. Simple measures are largely taken by the endourologists to implement the 'As Low As Reasonably Achievable' (ALARA) principle, including the use of fluoroless technique. We performed a scoping literature review to investigate the success and safety of fluoroless ureteroscopy (URS) or percutaneous nephrolithotomy (PCNL) procedures for the treatment of KSD. METHODS: A literature review was performed searching bibliographic databases PubMed, EMBASE and Cochrane library, and 14 full papers were included in the review in accordance with the PRISMA guidelines...

OBJECTIVE: To determine the relation between ureteral stone impaction and ureteral stricture formation and associated factors. MATERIAL AND METHODS: We retrospectively analyzed the medical records of all patients who underwent endoscopic ureteral stone surgery for impacted ureteral stone at three academic institutions in Turkey, United Kingdom and Spain between June 2019 and January 2022. Examined parameters included patient demographics, stone side, size and localization, time between initiation of symptoms and surgery, type of ureteroscopy (rigid/flexible), presence of nephrostomy or double-J stent prior to URS, intraoperative complications (avulsion/perforation, stone-free status, number of procedures required for stone-free status, postoperative imaging results...

BACKGROUND AND OBJECTIVES: Individuals with cystinuria can experiment recurrent lithiasis events due to the relative insolubility of cystine at physiological urine pH, resulting in renal function decline. The Lit-Control® pH Meter is a medical device that accurately allows urine pH self-monitoring. The main objective of this study was to compare the usability of the Lit-Control® pH Meter with the reactive strips for self-monitoring of urinary pH at home by patients with cystinuria, and their overall satisfaction with each tool...

BACKGROUND: The aim was to determine the impact of COVID-19 pandemic on urolithiasis presentation and management. METHODS: In this retrospective study, we comparatively evaluated urgent and elective procedures due to urolithiasis during the early eight months of the COVID-19 pandemic (March 1, 2020, to October 31, 2020) compared to the same period a year before, and between waves. The student's t-test, chi-square test, Mann-Whitney U test and Fisher's exact test were used to compare the patients' characteristics and outcomes between the two periods and waves...

OBJECTIVE: Our primary aim is to perform the external validation of the current scoring systems in predicting stone-free status (SFS) after retrograde intrarenal surgery (RIRS) for renal stones 2-4 cm and develop a novel scoring system by re-examining possible predictive factors related to SFS. METHODS: Patients who underwent RIRS due to renal stones with a cumulative stone diameter of 2-4 cm between January 2017 and March 2021 were retrospectively screened...

BACKGROUND: The prevalence of urolithiasis is 7-10% and has increased over the past years. Simple nephrectomy is, therefore, indicated when renal exclusion is associated with recurrent urinary tract infections and/or chronic pain. OBJECTIVE: The aim of the study was to describe the surgical experience of laparoscopic nephrectomy (LPN) due to urolithiasis in Mexican South-east and which factors can predispose conversion to open surgery. METHODS: This was a retrospective study including patients with renal exclusion secondary to urolithiasis, who underwent laparoscopic simple nephrectomy between 2016 and 2019...

INTRODUCTION AND OBJECTIVES: To investigate factors affecting SWL outcomes, validate three current nomograms (Kim JK, Triple D and S3HoCKwave) and compare the predictive ability of the nomograms for SWL outcomes in upper urinary tract stones. PATIENTS AND METHODS: Medical records of patients with renal and proximal ureteral stones treated with SWL between March 2013 and October 2020 were retrospectively reviewed. Factors affecting SWL success were analyzed with multivariate logistic regression analysis and the three predictive scoring systems compared with the area under the curve (AUC)...

BACKGROUND:  The aim was to determine the impact of COVID-19 pandemic on urolithiasis presentation and management. METHODS:  In this retrospective study we comparatively evaluated urgent and elective procedures due to urolithiasis during the early eight months of the COVID-19 pandemic (March 1, 2020 to October 31, 2020) compared to the same period a year before, and between waves. The student's t-test, chi-square test, Mann-Whitney U test and Fisher's exact test were used to compare the patients' characteristics and outcomes between the two periods and waves...

OBJECTIVE: Given the challenges involved in diagnosis and treatment of pregnant women with urolithiasis, we aim to review the imaging modalities and current endourological management of these patients. MATERIALS AND METHODS: We performed a review of the available literature on urolithiasis in pregnancy. This included evaluation, diagnostic imaging, and therapeutic options. The databases we searched from included Google Scholar and PubMed. A total of 346 abstracts were screened...

INTRODUCTION: Non-traumatic ruptureof the pyeloureterocaliceal system (PUC) is anuncommon clinical entity. The most frequent cause isureteral obstruction due to lithiasic pathology, whichis present in up to 75%. To our knowledge, there isno description in the literature of the possible factorsassociated with this event. Our objective is to analyzethe variables associated with intravenous contrastextravasation in patients with renal colic due to singleureteral lithiasis. MATERIALS AND METHODS: We performed aretrospective, descriptive analysis of a series ofpatients who, in the context of renal colic, presentedendovenous contrast extravasation throughthe urinary system in computed tomography (CT)...

INTRODUCTION AND OBJECTIVES: This study aimed to evaluate the role of two widely distributed natural phenolic compounds, gallic acid (GA) and methyl gallate (MG), in an in vitro model of urolithiasis, by using the methodology of calcium oxalate (CaOx) crystals formation, which is the most common type of urinary or kidney stones. MATERIAL AND METHODS: The compounds GA and MG were subjected to anti-crystallization activities in different concentrations (0.003-0.03 mg/mL), and the quantity and morphology of crystals were determined by microscopy after 60 min...

BACKGROUND: Chronic kidney disease (CKD) and end-stage renal disease (ESRD) are among the important causes of mortality and morbidity in childhood. Early diagnosis and treatment of the underlying primary disease may prevent most of CKD patients from progressing to ESRD. There is no study examining chronic kidney diseases and dialysis modalities in Syrian immigrant children. We aimed to retrospectively research the etiologic, sociodemographic, and clinical factors in CKD among Syrian refugee children, and at the same time, to compare the clinical characteristics of patients with ESRD on peritoneal dialysis and hemodialysis...

OBJECTIVES: Patients with viral infection areat risk for secondary infections and/or co-infections. Ourstudy aims to describe coronavirus-disease-19 (COVID-19) associated with acute renal failure (ARF) secondary to fungalbezoar in urinary tract in two patients. METHODS: A chart review of two patients with COVID-19 associated pneumonia admitted to an education and training hospital Istanbul, Turkey were evaluated. RESULTS: On the first day of hospitalization, ARF was developed in both of them...