Publication year
2013Source
Nephrology, Dialysis, Transplantation, 28, 7, (2013), pp. 1844-55ISSN
Annotation
01 juli 2013
Publication type
Article / Letter to editor
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Organization
Paediatrics - OUD tm 2017
Journal title
Nephrology, Dialysis, Transplantation
Volume
vol. 28
Issue
iss. 7
Page start
p. 1844
Page end
p. 55
Subject
IGMD 9: Renal disorderAbstract
BACKGROUND: Unilateral renal agenesis (URA) is associated with other congenital anomalies of the kidney and urinary tract (CAKUT) and extra-renal anomalies. However, the reported prevalences of these anomalies are highly variable. We estimated the prevalence of associated CAKUT and extra-renal anomalies in patients with URA. Furthermore, we determined the prevalence of renal injury in URA patients. METHODS: We conducted a systematic review of English and non-English articles using PubMed and Embase.com. Included studies reported at least one of the following items: incidence of URA, gender, side of URA, prenatal diagnosis, performance of micturating cystourethrogram, associated CAKUT, urinary tract infection or extra-renal anomalies. Studies that described a mean/median glomerular filtration rate (GFR) and proportions of patients with hypertension, micro-albuminuria or a decreased GFR were also included. RESULTS: Analyses were based on 43 included studies (total number of patients: 2684, 63% male). The general incidence of URA was 1 in approximately 2000. Associated CAKUT were identified in 32% of patients, of which vesicoureteral reflux was most frequently identified (24% of patients). Extra-renal anomalies were found in 31% of patients. Hypertension could be identified in 16% of patients, whereas 21% of patients had micro-albuminuria. Ten per cent of patients had a GFR<60 mL/min/1.73 m2;. CONCLUSIONS: These aggregate results provide insight in the prevalence of associated anomalies and renal injury in patients with URA. Our systematic review implicates that URA is not a harmless malformation by definition. Therefore, we emphasize the need for clinical follow-up in URA patients starting at birth.
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- Academic publications [238586]
- Faculty of Medical Sciences [90409]
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