ArticlePediatric nephrology (Berlin, Germany)2005
Plasma and urinary adrenomedullin levels in children with renal parenchymal scar and vesicoureteral reflux.
Article in Pediatric nephrology (Berlin, Germany), 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- A Review of Adrenomedullin in Pediatric Patients: A Useful Biomarker.Children (Basel, Switzerland) · 2022Review
- MR-Proadrenomedullin as biomarker of renal damage in urinary tract infection in children.BMC pediatrics · 2021Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Adrenomedullin (AM) is a strong vasodilator peptide with proven antimitogenic and antiproliferative effects in renal mesangial cells, as well as diuretic and natriuretic actions. Its gene expression is stimulated by endotoxins (lipopolysacharides) and cytokines. Consequently, its plasma and urinary levels are known to deviate from normal levels in many renal diseases. The purpose of this study is to determine plasma and urinary AM levels in children with renal parenchymal scar (RPS) and vesicoureteral reflux (VUR). The study was carried out on 74 children with recurrent urinary tract infections, arranged in groups: 25 patients with RPS with VUR (group I), 16 patients with RPS without VUR (group II), 12 patients with VUR without RPS (group III) and 21 healthy children as the control group. Plasma and urinary AM concentrations were both determined by high performance liquid chromotography (HPLC). Plasma AM was measured as picomoles per milliliter (pM/ml) and urinary AM as pM/mg urinary creatinine. In addition, serum creatinine, creatinine clearance and fractional sodium excretion (FE(Na)) were measured. All cases with RPS and VUR had normal blood pressure levels. The plasma AM levels were higher, although not significantly, in the control group (56.2+/-14.0 pM/ml) than in group I (50.6+/-4.2 pM/ml), group II (49.6+/-3.7 pM/ml) and group III (50.6+/-3.6 pM/ml) ( P =0.162). The urinary AM levels were higher in the control group (80.1+/-33.9 pM/mg) than in the three study groups (52+/-7.6 pM/mg, 58.6+/-7.5 pM/mg and 44.2+/-6.4 pM/mg; P =0.003, P =0.002 and P =0.002, respectively). There were no differences among the 4 groups (group I, group II, group III and the control group) in terms of FE(Na) and creatinine clearance ( P >0.05 and P >0.05, respectively). The finding that diminished urinary AM levels in patients with RPS and VUR implies that AM can be a prognostic factor in the long-term follow-up of cases with these diseases.
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