The incidence of nephrolithiasis in children ranges from 5 to 10% in developing countries. Etiology of nephrolithiasis in children remains largely unknown, so metabolic evaluation is indicated in all case, because of potential morbidity and recurrence. We report a case of 2,8-Dihydroxyadenine nephrolithiasis present as bilateral staghorn stone in 11 years old boy with chronic kidney disease. 2,8-Dihydroxyadenine nephrolithiasis is the result of a metabolic abnormality due to the deficiency of the enzyme adenine phosphoribosyltransferase (APRT), it is not only promote stone formation, but also induced nephropathy. Early diagnosis ensure appropriate treatment and favorable prognosis for kidney function and stone management.
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http://dx.doi.org/10.1016/j.eucr.2023.102623 | DOI Listing |
Urolithiasis
January 2025
Urology Department, Benha University, Benha, Qalubia, Egypt.
Studies in literature discussed the drawbacks of the ureteral access sheath use in flexible ureteroscopy and in the same time mentioned the benefits of ureteral access sheath in decreasing the incidence of urosepsis and better stone free rate. In the current study we aim to compare between percutaneous nephrostomy tube (PCN) insertion before flexible ureteroscopy and conventional ureteral access sheath (UAS) flexible ureteroscopy in terms of safety, efficacy and perioperative outcomes. In all, 100 Patients aged 20 to 67 years with upper ureteric stones and mild hydronephrosis or renal pelvic stones less than 20 mm with mild hydronephrosis were randomized into 2 groups; patients undergoing PCN insertion before flexible ureteroscopy, and patients undergoing the conventional UAS flexible ureteroscopy.
View Article and Find Full Text PDFUrolithiasis
January 2025
Department of Urology, The First Affiliated Hospital of Anhui Medical University, 100 Huaihai Road, Hefei, Anhui, 230000, China.
Retrograde intrarenal surgery (RIRS) is recognized as an effective intervention for renal stones measuring less than 20 mm. This study aims to assess the efficacy and safety of a novel flexible kidney-fixed position compared to the conventional lithotomy position, focusing on lithotripsy efficiency and stone-free rates (SFR). A total of 100 patients undergoing unilateral RIRS between January 2023 and September 2024 were randomly allocated to either the conventional lithotomy position group or the kidney-fixed position group.
View Article and Find Full Text PDFBMC Urol
January 2025
Department of Urology, Xijing Hospital, Air Force Medical University, Xi'an, 710032, China.
Background: There is still controversy about the best minimally invasive surgical method for the treatment of calyceal diverticulum calculi. We conducted meta-analysis to evaluate the effectiveness and safety of PCNL and FURL in the treatment of calyceal diverticulum calculi.
Methods: We searched Pubmed, Cochrane Library, Web of Science, Embase, Clinical trial platform, CNKI, VIP until April 2024.
World J Urol
January 2025
Faculty of Medicine, Department of Urology, İstanbul Cerrahpaşa University, Istanbul, Turkey.
Purpose: Postoperative fever (POF)/urinary tract infection (UTI) is one of the most unpleasant and undesirable conditions for surgeons after retrograde intrarenal surgery (RIRS). RIRS is not recommended for any patient with a positive urine culture to avoid POF and UTI, but some patients may develop postoperative UTI even if the urine culture is sterile. This study investigated the predictive factors of fever and UTIs after RIRS.
View Article and Find Full Text PDFIntroduction: Free radical-mediated oxidative renal tubular injury secondary to hyperoxaluria is a proposed mechanism in the formation of calcium oxalate stones. Vitamin E, an important physiologic antioxidant, has been shown in rat models to prevent calcium oxalate crystal deposition. Our objective was to determine if low dietary vitamin E intake was associated with a higher incidence of stones.
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