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Pneumotórax

Last reviewed: 13 Sep 2025
Last updated: 01 May 2024

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • dor torácica
  • dispneia
  • hemitórax ipsilateral hiperexpandido
  • hemitórax ipsilateral com hiper-ressonância
  • murmúrios vesiculares ipsilaterais ausentes ou diminuídos
  • dispneia extrema
  • traqueia desviada para o lado contralateral
Full details

Risk factors

  • tabagismo
  • história familiar de pneumotórax
  • estrutura corporal alta e magra
  • idade <40 anos
  • procedimento médico invasivo recente
  • trauma torácico
  • asma aguda grave
  • doença pulmonar obstrutiva crônica (DPOC)
  • tuberculose
  • infecção por Pneumocystis jirovecii relacionada à síndrome de imunodeficiência adquirida (AIDS)
  • fibrose cística
  • linfangioleiomiomatose
  • Síndrome de Marfan
  • homocistinúria
  • câncer de pulmão primário e câncer metastático nos pulmões
  • síndrome de Birt-Hogg-Dube
  • histiocitose pulmonar das células de Langerhans
  • doença de Erdheim-Chester
Full details

Diagnostic investigations

1st investigations to order

  • radiografia torácica
  • ultrassonografia do tórax
Full details

Investigations to consider

  • tomografia computadorizada (TC) do tórax
  • broncoscopia
Full details

Treatment algorithm

INITIAL

pneumotórax hipertensivo

ACUTE

pneumotórax espontâneo primário E paciente ≤ 50 anos de idade

pneumotórax espontâneo primário OU paciente > 50 anos de idade

pneumotórax traumático

pneumotórax ex-vacuo

pneumotórax catamenial

Contributors

Authors

Christopher Kapp, MD

Assistant Professor of Medicine, Interventional Pulmonologist

Division of Pulmonary and Critical Care, Section of Interventional Pulmonary

Northwestern Memorial Hospital

Chicago

IL

Disclosures

CK declares that he has no competing interests.

Acknowledgements

Dr Christopher Kapp would like to gratefully acknowledge Dr Lonny Yarmus, Dr Jason Akulian, Dr Ryland P. Byrd Jr, Dr Thomas M. Roy, and Dr Anita Alwani, previous contributors to this topic.

Disclosures

LY, JA, RPB, TMR, and AA declare that they have no competing interests.

Peer reviewers

Marc Noppen, MD

Professor and Chief Executive Officer of Respiratory Division

Interventional Endoscopy Clinic

University Hospital Brussels

Brussels

Belgium

Disclosures

MN declares that he has no competing interests.

Steve A. Sahn, MD

Professor of Medicine

Division of Pulmonary Critical Care, Allergy and Sleep Medicine

Medical University of South Carolina

Charleston

SC

Disclosures

SAS 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

British Thoracic Society. Guidelines: pleural disease​. Jul 2023 [internet publication].Full text

British Thoracic Society. Clinical statements:​ pleural procedures. Jul 2023 [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.
  • Pneumotórax images
  • Differentials

    • Exacerbação aguda da asma
    • Exacerbação aguda da doença pulmonar obstrutiva crônica (DPOC)
    • Embolia pulmonar
    More Differentials
  • Guidelines

    • BTS Guidelines on Pleural Disease
    • ACR appropriateness criteria: intensive care unit patients
    More Guidelines
  • Patient information

    Pneumotórax

    Inserção de dreno torácico

    More Patient information
  • Videos

    Descompressão por agulha de um pneumotórax hipertensivo – Vídeo de demonstração

    Inserção de dreno intercostal, técnica de Seldinger: vídeo de demonstração

    More videos
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