Evidence map›Paper›PMID 22089616›Full record

ReviewThe Indian journal of medical research2011

Hb E/beta-thalassaemia: a common & clinically diverse disorder.

Nancy F Olivieri, Zahra Pakbaz, Elliott Vichinsky

Abstract readReview
In one paragraph

Review in The Indian journal of medical research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 1 pooled it
0.9field-weighted citation impact, top 25% 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

52 citing papers in PubMed, 1 synthesis or guideline pooled it, 86 citations in OpenAlex.

  1. Pooled it
  2. Trial
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  9. Article
  10. Predisposing Factors to Infections in Thalassemia Syndrome Patients.Mediterranean journal of hematology and infectious diseases · 2025
    Article
  11. Article
  12. Article
  13. Detection of HbD Punjab Trait in Saurashtra Region of Gujarat by HPLC Method.Indian journal of clinical biochemistry : IJCB · 2024
    Article
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  16. Article
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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 1 institution in 1 country.

Nancy F OlivieriPediatrics Medicine & Public Health Sciences, University of Toronto & Toronto General Hospital Research Institute, Toronto, Canada. nancy@hemoglobal.org
Zahra Pakbaz
Elliott Vichinsky
Toronto General Hospital · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Haemoglobin E-beta thalassaemia (Hb E/β-thalassaemia) is the genotype responsible for approximately one-half of all severe beta-thalassaemia worldwide. The disorder is characterized by marked clinical variability, ranging from a mild and asymptomatic anaemia to a life-threatening disorder requiring transfusions from infancy. The phenotypic variability of Hb E/β-thalassaemia and the paucity of long-term clinical data, present challenges in providing definitive recommendations for the optimal management of patients. Genetic factors influencing the severity of this disorder include the type of beta-thalassaemia mutation, the co-inheritance of alpha-thalassaemia, and polymorphisms associated with increased production of foetal haemoglobin. Other factors, including a variable increase in serum erythropoietin in response to anaemia, previous or ongoing infection with malaria, previous splenectomy and other environmental influences, may be involved. The remarkable variation, and the instability, of the clinical phenotype of Hb E beta-thalassaemia suggests that careful tailoring of treatment is required for each patient, and that therapeutic approaches should be re-assessed over-time.

Indexed as

alpha-Thalassemiabeta-ThalassemiaBlood TransfusionErythropoietinFetal HemoglobinGenotypeHemoglobin EHumansMalariaPhenotypePolymorphism, GeneticSplenectomyErythropoietinFetal HemoglobinHemoglobin E

Identifiers

PMID22089616
PMCPMC3237252
OpenAlexW2104994791

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.