Evidence map›Paper›PMID 23417278›Full record

ReviewPediatric nephrology (Berlin, Germany)2014

Methods of assessing renal function.

Guido Filler, Abeer Yasin, Mara Medeiros

Abstract readReview
PubMed Publisher
In one paragraph

Review in Pediatric nephrology (Berlin, Germany), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
6.9field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed, 1 synthesis or guideline pooled it, 105 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Observational
  4. Observational
  5. Creatinine's hidden compartments: why cystatin C "Gets there first".Pediatric nephrology (Berlin, Germany) · 2026
    Article
  6. Article
  7. Article
  8. The need for validation of eGFR formulae in different populations.Pediatric nephrology (Berlin, Germany) · 2024
    Article
  9. Article
  10. Investigation ofACS omega · 2023
    Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Still trouble with serum creatinine measurements.Pediatric nephrology (Berlin, Germany) · 2022
    Article
  16. Review
  17. Low agreement between kidney volume and kidney length z-scores.Pediatric nephrology (Berlin, Germany) · 2021
    Article
  18. Article
  19. Article
  20. Observational
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 2 countries.

Guido FillerDepartment of Pediatrics, Children's Hospital, London Health Science Centre, University of Western Ontario, 800 Commissioners Road East, London, Ontario, Canada, N6A 5W9, guido.filler@lhsc.on.ca.
Abeer Yasin
Mara Medeiros
Western University · CAHospital Infantil de México Federico Gómez · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Accurate assessment of renal function is critical for appropriate drug dosing of renally excreted compounds. Glomerular filtration rate (GFR) is considered the best marker of kidney function. Inulin clearance forms the gold standard for measuring GFR, both in adults and in children. The method is invasive, cumbersome, and smaller children require urinary catheterization for accurate timed urine collections. Nuclear medicine methods replaced inulin clearance in the 1970s after (51)Cr EDTA clearance was introduced. Inulin has no plasma protein binding, whereas all commonly used radioisotopes have a small amount of plasma protein binding that leads to lower values. Only iohexol does not have significant plasma protein binding. The underestimation due to plasma protein binding is partially offset by overestimation due to the use of non-compartmental pharmacokinetic modeling of the plasma disappearance of the radioisotope. The problem could be overcome with a urinary nuclear medicine clearance method, but these have not been validated in children. Endogenous markers of GFR include serum creatinine and low molecular weight proteins such as cystatin C and beta-trace protein. Of these, estimation of GFR using cystatin C appears to be the most promising, although its accuracy in pregnancy and in the neonatal period may be limited.

Indexed as

ChildHumansKidney Function TestsPediatrics

Identifiers

PMID23417278
OpenAlexW2091615363

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.