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Última revisão das evidências: 28 Mar 2026
Última atualização do tópico: 06 Dec 2023

Resumo

Definition

História e exame físico

Principais fatores diagnósticos

  • country of origin or ancestry
  • family history
  • asymptomatic
Detalhes completos

Outros fatores diagnósticos

  • lethargy
  • abdominal distension
  • failure to gain weight
  • low height and weight
  • pallor
  • spinal changes
  • large head
  • chipmunk facies
  • misaligned teeth
  • hepatosplenomegaly
  • jaundice
Detalhes completos

Fatores de risco

  • positive family history
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • FBC
  • peripheral smear
  • reticulocyte count
  • haemoglobin analysis
  • LFTs
  • plain x-rays of skull
  • abdominal ultrasonography
  • plain x-rays of long bones
Detalhes completos

Investigações a serem consideradas

  • genetic testing
  • HLA typing
Detalhes completos

Algoritmo de tratamento

CONTÍNUA

beta-thalassaemia trait

beta-thalassaemia intermedia: non-transfusion-dependent

beta-thalassaemia intermedia: transfusion-dependent

beta-thalassaemia major

Colaboradores

Autores

Sujit Sheth, MD

Professor of Clinical Pediatrics

Weill-Cornell Medical College

New York

NY

Declarações

SS is a consultant for Bristol Myers Squibb (formerly Celgene), manufacturer of luspatercept; for Bluebirdbio, developer of a gene therapy product for transfusion dependent beta-thalassaemia; and for Agios, related to mitapivat for thalassaemia. Steering committee member for CTX001, gene editing product by CRISPR/Vertex. Participation in multicentre trials conducted by LaJolla, Bristol Myers Squibb, Terumo, Novartis, Dispersol. SS is also an author of references cited in this topic.

Revisores

Christoph Pechlaner, MD

Associate Professor of Medicine

Innsbruck Medical University

Innsbruck

Austria

Declarações

CP declares that he has no competing interests.

Michael R. Jeng, MD

Associate Professor

Pediatric Hematology & Oncology

Stanford University School of Medicine

Palo Alto

CA

Disclosures

MRJ declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Bain BJ, Daniel Y, Henthorn J, et al. Significant haemoglobinopathies: A guideline for screening and diagnosis: A British Society for Haematology guideline. Br J Haematol. 2023 Jun;201(6):1047-65.Full text  Abstract

Farmakis D, Angastiniotis M, Eleftheriou, A. A short guide for the management of transfusion dependent thalassaemia. 2017 [internet publication].Full text

Sharma A, Easow Mathew M, Puri L. Splenectomy for people with thalassaemia major or intermedia. Cochrane Database Syst Rev. 2019 Sep 17;9:CD010517.Full text  Abstract

Taher A, Musallam K, Cappellini MD. Guidelines for the management of non transfusion dependent thalassaemia (NTDT) 2nd Edition. 2017 [internet publication].Full text

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Differentials

    • Congenital dyserythropoietic anaemia (CDA)
    • Pyruvate kinase (PK) deficiency
    • Mild iron deficiency anaemia
    More Differentials
  • Guidelines

    • Significant haemoglobinopathies: a guideline for screening and diagnosis
    • Carrier screening for genetic conditions
    More Guidelines
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