alexa A predictive model of chronic kidney disease in patients with congenital anomalies of the kidney and urinary tract.
Microbiology

Microbiology

Clinical Microbiology: Open Access

Author(s): Quirino IG, Dias CS, Vasconcelos MA, Poggiali IV, Gouvea KC, , Quirino IG, Dias CS, Vasconcelos MA, Poggiali IV, Gouvea KC, , Quirino IG, Dias CS, Vasconcelos MA, Poggiali IV, Gouvea KC, , Quirino IG, Dias CS, Vasconcelos MA, Poggiali IV, Gouvea KC,

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Abstract BACKGROUND: The antenatal detection of congenital anomalies of the kidney and urinary tract (CAKUT) has permitted early management of these conditions. The aim of this study was to identify predictive factors associated with chronic kidney disease (CKD) in CAKUT. We also propose a risk score of CKD. METHODS: In this cohort study, 822 patients with prenatally detected CAKUT were followed up for a median time of 43 months. The primary outcome was CKD stage III or higher. A predictive model was developed using the Cox proportional hazards model and evaluated by using c statistics. RESULTS: Chronic kidney disease occurred in 49 of the 822 (6 \%) children with prenatally detected CAKUT. The most accurate model included bilateral hydronephrosis, oligohydramnios, estimated glomerular filtration rate and postnatal diagnosis. The accuracy of the score was 0.95 [95 \% confidence interval (CI) 0.89-0.99] and 0.92 (95 \% CI 0.86-0.95) after a follow-up of 2 and 10 years, respectively. Based on survival curves, we estimated that at 10 years of age, the probability of survival without CKD stage III was approximately 98 and 58 \% for the patients assigned to the low-risk and high-risk groups, respectively (p < 0.001). CONCLUSIONS: Our predictive model of CKD may contribute to an early identification of a subgroup of patients at high risk for renal impairment. It should be pointed out, however, that this model requires external validation in a different cohort. This article was published in Pediatr Nephrol and referenced in Clinical Microbiology: Open Access

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