Evidence map›Paper›PMID 29664198›Full record

ArticleTransfusion2018

Hemoglobin A clearance in children with sickle cell anemia on chronic transfusion therapy.

Marianne E M Yee, Cassandra D Josephson, Anne M Winkler, Jennifer Webb, Naomi L C Luban, Traci Leong, Sean R Stowell, John D Roback, Ross M Fasano

Open access · greenAbstract read
In one paragraph

Article in Transfusion, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.6field-weighted citation impact, top 16% 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

11 citing papers in PubMed, 17 citations in OpenAlex.

  1. Trial
  2. Article
  3. Analysis of Biotinylated Red Blood Cells Following Transfusion.Methods in molecular biology (Clifton, N.J.) · 2026
    Article
  4. Observational
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Challenges in preventing and treating hemolytic complications associated with red blood cell transfusion.Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine · 2019
    Review
  11. Article
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 at 2 institutions in 1 country.

Marianne E M YeeAflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics and Hematology/Oncology, Emory University School of Medicine and the.ORCID 0000-0001-6082-8385
Cassandra D JosephsonAflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics and Hematology/Oncology, Emory University School of Medicine and the.
Anne M WinklerCenter for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia; the.
Jennifer WebbCenter for Cancer and Blood Disorders, Children's National Medical Center, Departments of Hematology and Laboratory Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC.
Naomi L C LubanCenter for Cancer and Blood Disorders, Children's National Medical Center, Departments of Hematology and Laboratory Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC.
Traci LeongDepartment of Biostatistics and Bioinformatics, Emory University, Rollins School of Public Health, Atlanta, Georgia.
Sean R StowellCenter for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia; the.
John D RobackCenter for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia; the.
Ross M FasanoCenter for Transfusion and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia; the.
Emory University · USChildren's National · US

Funding

Serious Hazards of Transfusion & Cellular Therapies: Mechanisms and InterventionP01HL086773 · NHLBI · EMORY UNIVERSITY · PI ROBACK, JOHN D · 2008 to 2019
$17.9M
Institute for Clinical and Translational ResearchUL1TR000424 · NCATS · JOHNS HOPKINS UNIVERSITY · PI FORD, DANIEL ERNEST · 2012 to 2012
$6.0M
Adverse effects of RBC transfusions: A unifying hypothesisR01HL095479 · NHLBI · EMORY UNIVERSITY · PI ROBACK, JOHN D · 2009 to 2017
$5.2M
Examination of Initiating Factors that Regulate Red Blood Cell AlloimmunizationR01HL135575 · NHLBI · EMORY UNIVERSITY · PI Sean R Stowell · 2017 to 2026
$2.8M
REGISTRY AND EDUCATION FOR HEMOGLOBINOPATHIES AND HEMOVIGILANCE/TRANSFUSION THERAPYU58DD001138 · DD · GEORGIA STATE UNIVERSITY · PI SYNDER, ANGELA · 2014 to 2014
$470k
NCATS NIH HHS UL1 TR000424NCBDD CDC HHS U58 DD001138NHLBI NIH HHS P01 HL086773NHLBI NIH HHS R01 HL095479NHLBI NIH HHS R01 HL135575
6 · The paper itself

Abstract

backgroundChronic transfusion therapy for sickle cell anemia reduces disease complications by diluting sickle-erythrocytes with hemoglobin A (HbA)-containing erythrocytes and suppressing erythropoiesis. Minor antigen mismatches may result in alloimmunization, but it is unknown if antigen mismatches or recipient characteristics influence HbA clearance posttransfusion. STUDY DESIGN AND

methodsChildren with sickle cell anemia on chronic transfusion therapy were followed prospectively for 12 months. All patients received units serologically matched for C/c, E/e, and K; patients with prior red blood cell (RBC) antibodies had additional matching for Fy

resultsSixty patients received 789 transfusions, 740 with ΔHbA estimations, and 630 with donor Human Erythrocyte Antigen genotyping. In univariate mixed-model analysis, ΔHbA was higher in patients with past RBC antibodies or splenomegaly and lower in patients with splenectomy. RBC antigen mismatches were not associated with ΔHbA. In multivariate linear mixed-effects modeling, ΔHbA was associated with RBC antibodies (2.70 vs. 2.45 g/dL/28 d, p = 0.0028), splenomegaly (2.87 vs. 2.28 g/dL/28 d, p = 0.019), and negatively associated with splenectomy (2.46 vs. 2.70 g/dL/28 d, p = 0.011).

conclusionsHbA decline was increased among patients with sickle cell anemia with prior immunologic response to RBC antigens and decreased among those with prior splenectomy, demonstrating that recipient immunologic characteristics influenced the clearance of transfused RBCs.

Indexed as

Anemia, Sickle CellChildErythrocyte TransfusionHemoglobin AHumansIsoantibodiesIsoantigensSplenectomySplenomegalyHemoglobin AIsoantibodiesIsoantigens

Identifiers

PMID29664198
PMCPMC6021219
OpenAlexW2800479850

What OpenQuestion holds

Textmetadata
LicenceTDM
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.