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  • Title: Early clean intermittent catheterization may not prevent dimercaptosuccinic acid renal scan abnormalities in children with spinal dysraphism.
    Author: Woo J, Palazzi K, Dwek J, Kaplan G, Chiang G.
    Journal: J Pediatr Urol; 2014 Apr; 10(2):274-7. PubMed ID: 24095688.
    Abstract:
    OBJECTIVES: To determine whether early initiation of clean intermittent catheterization is associated with increased renal preservation in children with spinal dysraphism based on dimercaptosuccinic acid (DMSA) renal scans. METHODS: A retrospective review was performed of 100 patients from a pediatric spinal defects clinic from June 2007 to October 2011 who were followed with routine studies including DMSA scans, voiding cystourethrograms, renal/bladder ultrasounds, and urodynamics. DMSA scans were reviewed for evidence of renal cortical loss as defined by presence of scarring or difference in differential function greater than 15%. Multivariate analysis was performed for risk factors for upper tract damage. RESULTS: Renal cortical loss on DMSA scan was found in 43/100 (43%) of patients. CIC was started at birth in 17/100 (17%) of patients with the rest starting at a median age of 5 years (IQR 3-9). Upon multivariate regression analysis, age at DMSA scan (OR 1.21; 95% CI 1.08-1.36), history of VUR (OR 8.64; 95% CI 2.52-29.57), history of hydronephrosis (OR 3.44; 95% CI 1.12-10.5), and CIC from birth (OR 9.26; 95% CI 1.99-43.18) were statistically significant predictors of kidney damage. CONCLUSION: Early initiation of CIC may not reduce the incidence of DMSA abnormalities in pediatric patients with spinal dysraphism.
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