Evidence mapPaperPMID 41249709Full record

ArticleHeart and vessels2026

Impact of red cell distribution width in school-age children with congenital heart disease.

Kota Nagaoka, Daishiro Yamaoka, Mariko Saito, Yoko Ishii, Takeshi Shimizu, Nobuo Oyama, Hiroaki Kise, Takanari Fujii, Hideshi Tomita

Abstract read
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In one paragraph

Article in Heart and vessels, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
field-weighted citation impact
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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

9 authors.

Kota NagaokaPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan. kotanagaoka@yahoo.co.jp.ORCID http://orcid.org/0000-0002-7847-0040
Daishiro YamaokaPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Mariko SaitoPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Yoko IshiiPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Takeshi ShimizuPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Nobuo OyamaPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Hiroaki KisePediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Takanari FujiiPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.
Hideshi TomitaPediatric Heart Disease and Adult Congenital Heart Disease Center, Showa Medical University Hospital, 1-5-8, Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Red cell distribution width is a prognostic marker of adverse outcomes in adults with heart disease, including congenital heart disease. However, its significance has not been clarified in pediatric patients. We investigated the relationship between red cell distribution width and cardiovascular events in school-age children with congenital heart disease and uniform reference intervals. We performed a retrospective cohort study of pediatric patients with congenital heart disease between January 2018 and March 2023. Children aged 7-15 years were included, and the results of the first blood test during the study period were considered as baseline data. Cardiovascular events were defined as all-cause mortality, non-scheduled hospitalizations for cardiovascular reasons, heart failure, arrhythmias, thromboembolism, and unplanned intervention. In total, 101 children were included. The median red cell distribution width was 12.3% (interquartile range 11.9-12.8%). Cardiovascular events occurred in 15 patients (14.9%) during follow-up. The Kaplan-Meier analysis showed significantly worse cardiovascular event-free survival in the higher red cell distribution width group. Univariate Cox regression revealed that a higher red cell distribution width group (p < 0.001), Fontan circulation (p < 0.001), oxygen saturation (p < 0.001), aspartate aminotransferase (p < 0.001), alanine aminotransferase (p < 0.001), and gamma-glutamyl transpeptidase (p < 0.001) were associated with cardiovascular events. When adjusted for other variables respectively, only a higher red cell distribution width group and Fontan circulation remained independently significant. The red cell distribution width and Fontan circulation were independently associated with cardiovascular events in school-age children with congenital heart disease.

Indexed as

Erythrocyte IndicesHeart Defects, CongenitalAdolescentBiomarkersChildFemaleFollow-Up StudiesHumansMalePrognosisRetrospective StudiesRisk FactorsBiomarkersCardiovascular eventCongenital heart diseaseOutpatientRed cell distribution widthSchool-age children

Identifiers

PMID41249709

What Socratic holds

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Registered trials

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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 Socratic graph.