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Aneurisma da aorta abdominal

Last reviewed: 20 Aug 2025
Last updated: 20 May 2025

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • massa abdominal pulsátil e palpável
Full details

Other diagnostic factors

  • dor abdominal, dorsalgia ou na virilha
  • hipotensão
Full details

Risk factors

  • tabagismo
  • história familiar/hereditária
  • envelhecimento
  • sexo masculino (prevalência)
  • sexo feminino (ruptura)
  • distúrbios congênitos/do tecido conjuntivo
  • hiperlipidemia
  • doença pulmonar obstrutiva crônica (DPOC)
  • aterosclerose (ou seja, doença arterial coronariana [DAC], doença arterial oclusiva periférica)
  • hipertensão
  • obesidade central
  • não diabético
  • uso de antibióticos fluoroquinolonas
  • aneurismas em qualquer outra parte do corpo
Full details

Diagnostic investigations

1st investigations to order

  • ultrassonografia abdominal
Full details

Investigations to consider

  • angiotomografia (ATG)/TC
  • tomografia por emissão de pósitrons/tomografia computadorizada (PET-CT)
  • velocidade de hemossedimentação (VHS)/proteína C-reativa
  • Hemograma completo
  • hemoculturas
Full details

Treatment algorithm

ACUTE

aneurisma da aorta abdominal (AAA) roto

aneurisma da aorta abdominal (AAA) sintomático não roto

ONGOING

achado incidental: AAA assintomático pequeno

achado incidental: AAA grande assintomático

vazamento de reparo endovascular que requer tratamento

Contributors

Authors

Professor Anahita Dua, MBCHB, MS, MBA, FACS

Associate Professor of Surgery

Massachusetts General Hospital/Harvard Medical School

Department of Vascular and Endovascular Surgery

Boston

MA

Disclosures

AD declares that she has no competing interests.

Acknowledgements

Professor Anahita Dua would like to gratefully acknowledge Professor Matt Bown, Mr Andrew Duncan, Dr Maureen K. Sheehan, Dr Dawn M. Barnes, and Dr Gilbert R. Upchurch, previous contributors to this topic.

Disclosures

MKS, DMB, and GRU declare that they have no competing interests.

Peer reviewers

Ross Naylor, MBBS

Professor of Vascular Surgery

Vascular Surgery Group

Division of Cardiovascular Sciences

Leicester Royal Infirmary

UK

Disclosures

RN declares that he has no competing interests.

William Pearce, MD

Chief of Division of Vascular Surgery

Department of Surgery

Northwestern Memorial Hospital

Chicago

IL

Disclosures

WP 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

Wanhainen A, Van Herzeele I, Bastos Goncalves F, et al. Editor's choice -- European Society for Vascular Surgery (ESVS) 2024 clinical practice guidelines on the management of abdominal aorto-iliac artery aneurysms. Eur J Vasc Endovasc Surg. 2024 Feb;67(2):192-331.Full text  Abstract

Owens DK, Davidson KW, Krist AH, et al; US Preventive Services Task Force. Screening for abdominal aortic aneurysm: US Preventive Services Task Force recommendation statement. JAMA. 2019 Dec 10;322(22):2211-8.Full text  Abstract

Isselbacher EM, Preventza O, Hamilton Black J 3rd, et al. 2022 ACC/AHA guideline for the diagnosis and management of aortic disease: a report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. Circulation. 2022 Dec 13;146(24):e334-e482.Full text  Abstract

Chaikof EL, Dalman RL, Eskandari MK, et al. The Society for Vascular Surgery practice guidelines on the care of patients with an abdominal aortic aneurysm. J Vasc Surg. 2018 Jan;67(1):2-77.e2.Full text  Abstract

Reference articles

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