alexa Autosomal recessive polycystic kidney disease: outcomes from a single-center experience.


Biochemistry & Physiology: Open Access

Author(s): Capisonda R, Phan V, Traubuci J, Daneman A, Balfe JW,

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Abstract Autosomal recessive polycystic kidney disease (ARPKD) is a relatively common form of pediatric polycystic kidney disease with an incidence of 1:20,000 live births. Previous reports, primarily from populations of European origin, indicate that the clinical presentation and disease course are quite variable. Using a retrospective study design, we sought to determine whether the clinical course and outcome of our multi-ethnic patient cohort differs from the published literature. A 10-year (1990-2000) retrospective study was conducted in which we reviewed the clinical, histopathological, and imaging records of our 31 ARPKD patients. Patients were diagnosed between 0 and 14 years of age, with 17 (55\%) presenting within the 1st month of life. The mean follow-up was 67 months and age at last follow-up ranged from 0.5 to 16 years. Of the 17 patients diagnosed as neonates, 11 (65\%) had respiratory insufficiency complicated by pneumothoraces. Two died shortly after birth and 2 died within the 1st year of life due to respiratory failure. Among the 13 neonatal survivors, 7 (54\%) developed progressive renal insufficiency, whereas 6 of 14 (43\%) of those children who presented beyond 1 month of age developed renal insufficiency. Hypertension was present in 55\% of our patients, with nearly all neonatal survivors requiring antihypertensive management. Evidence of portal hypertension was found in 10 (37\%) of the 27 patients who survived the 1st year of life. In our multi-ethnic ARPKD cohort, the 1-year survival rate (87\%) and the clinical variability are comparable to those previously reported. With the recent identification of the PKHD1 gene, characterization of disease-causing mutations should provide new insights into the molecular basis for this phenotypic variability. This article was published in Pediatr Nephrol and referenced in Biochemistry & Physiology: Open Access

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