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1.
Clin J Am Soc Nephrol ; 18(3): 363-373, 2023 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-36722361

RESUMO

BACKGROUND: Childhood kidney failure is a rare condition with worldwide clinical variability. We used a nationwide multicenter analysis to study the pretransplant course of the entire Israeli pediatric kidney failure population over 30 years. METHODS: In this nationwide, population-based, historical cohort study, we analyzed medical and demographic data of all children treated with KRT and reported to the Israeli kidney failure registry in 1990-2020. Statistical analysis was performed with incidence rate corrected for age, ethnicity, and calendar year, using the appropriate age-related general population as denominator. RESULTS: During the last 30 years, childhood incidence of kidney failure decreased. Average incidence in 2015-2019 was 9.1 cases per million age-related population (pmarp). Arab and Druze children exhibited higher kidney failure incidence rates than Jewish children (18.4 versus 7.0 cases pmarp for minorities versus Jews). The most common kidney failure etiologies among Arab and Jewish children were congenital anomalies of the kidney and urinary tract (approximately 27%), followed by cystic kidney diseases among Arab children (13%) and glomerulonephritis among Jewish children (16%). The most common etiology among Druze children was primary hyperoxaluria type 1 (33%). Israel's national health insurance provides access to primary health care to all citizens. Accordingly, waiting time for deceased-donor transplantation was equal between all ethnicities. Living-donor kidney transplantation rates among minority populations remained low in comparison with Jews over the entire study period. Although all patient groups demonstrated improvement in survival, overall survival rates were mainly etiology dependent. CONCLUSIONS: In Israel, Arab and Druze children had a higher incidence of kidney failure, a unique etiological distribution, and a lower rate of living-donor kidney transplantations compared with Jewish children.


Assuntos
Diálise Renal , Insuficiência Renal , Humanos , Criança , Israel/epidemiologia , Estudos de Coortes , Etnicidade
3.
Am J Nephrol ; 25(3): 269-75, 2005.
Artigo em Inglês | MEDLINE | ID: mdl-15961946

RESUMO

BACKGROUND/AIMS: Primary hyperoxaluria type 1 (PH1) is caused by the deficiency of the liver enzyme alanine:glyoxylate aminotransferase which results in increased synthesis and excretion of oxalate. The clinical manifestations of PH1 are heterogeneous with respect to the age of onset and rate of progression. The aim of this study was to investigate possible relationships between a given genotype, the biochemical profile and the clinical phenotype. METHODS: We conducted a study of 56 patients from 22 families with PH1 from Israel. The clinical and biochemical data were compiled and the genotype was determined for each family. RESULTS: The prevalent phenotype was of early onset with progression to end-stage renal disease during the first decade of life. Fifteen PH1-causing mutations were detected in 21 families: 10 were first described in this patient population. Marked intra-familial clinical heterogeneity was noted, meaning that there was no correlation between a given genotype and the phenotype. CONCLUSIONS: The clinical course of patients with PH1 is not dictated primarily by its genotype. Other genetic and/or environmental factors play a role in determining the ultimate phenotype.


Assuntos
Heterogeneidade Genética , Hiperoxalúria Primária/genética , Criança , Pré-Escolar , Progressão da Doença , Feminino , Genótipo , Humanos , Hiperoxalúria Primária/complicações , Hiperoxalúria Primária/enzimologia , Lactente , Israel , Falência Renal Crônica/etiologia , Falência Renal Crônica/mortalidade , Fígado/enzimologia , Masculino , Mutação , Linhagem , Fenótipo , Transaminases/metabolismo
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