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Lesão cerebral traumática leve

Last reviewed: 4 May 2025
Last updated: 01 Nov 2023

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • golpe direto na cabeça ou desaceleração da cabeça por uma força impulsiva
  • trauma cerebral anterior, uso de substâncias ou abuso de álcool
Full details

Other diagnostic factors

  • cefaleia
  • sensação de confusão/lentidão
  • tontura/problemas de equilíbrio
  • dificuldades de memória
  • vômitos/náuseas
  • dor cervical
  • exame neurológico físico normal
  • anormalidades nos exames neuropsicológicos
Full details

Risk factors

  • traumatismo cranioencefálico
  • trauma cerebral prévio
  • uso indevido de bebidas alcoólicas e drogas
  • pouca força no pescoço
Full details

Diagnostic tests

1st tests to order

  • tomografia computadorizada (TC) do crânio
Full details

Tests to consider

  • ressonância nuclear magnética (RNM) de crânio
Full details

Emerging tests

  • tomografia por emissão de pósitrons (PET), TC por emissão de fóton único (SPECT)
  • tecnologias de RNM multimodais

Treatment algorithm

ACUTE

todos os pacientes

Contributors

Authors

Luke C. Henry, PhD
Luke C. Henry

Assistant Professor

Department of Neurological Surgery

Senior Clinical Neuropsychologist

University of Pittsburgh

Pittsburgh

PA

Disclosures

LCH declares that he has no competing interests.

Maria Twichell, MD

Assistant Clinical Professor

Director

General Rehabilitation Unit

UPMC Physical Medicine and Rehabilitation

University of Pittsburgh Medical Center

Pittsburgh

PA

Disclosures

MT declares that she has no competing interests.

Acknowledgements

Dr Luke C. Henry and Dr Maria Twichell would like to gratefully acknowledge Dr Jeffrey Bazarian and Dr Maryse Lassonde, previous contributors to this topic.

Disclosures

JB has been reimbursed by Roche, the manufacturer of an automated assay for serum S-100B, to attend a conference, and has been reimbursed by Banyan Biomarkers and Neuren Pharmaceuticals to help develop their research protocols. JB is also an author of a reference cited in this topic. ML is an author of several references cited in this topic.

Peer reviewers

Eirik Helseth, MD, PhD

Professor and Consultant

Department of Neurosurgery

Ulleval University Hospital

Oslo

Norway

Disclosures

EH declares that he has no competing interests.

Margot Putukian, MD

Director of Athletic Medicine

Princeton University

Princeton

NJ

Disclosures

MP is an author of a reference cited in this topic.

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

Maas AIR, Menon DK, Manley GT, et al. Traumatic brain injury: progress and challenges in prevention, clinical care, and research. Lancet Neurol. 2022 Nov;21(11):1004-60.Full text  Abstract

Harmon KG, Clugston JR, Dec K, et al. American Medical Society for Sports Medicine position statement on concussion in sport. Br J Sports Med. 2019 Feb;53(4):213-25.Full text  Abstract

Patricios JS, Schneider KJ, Dvorak J, et al. Consensus statement on concussion in sport: the 6th International Conference on Concussion in Sport-Amsterdam, October 2022. Br J Sports Med. 2023 Jun;57(11):695-711.Full text  Abstract

American College of Emergency Physicians. Mild traumatic brain injury​. May 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.
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    • Concussion/mild traumatic brain injury and persistent symptoms: for adults over 18 years of age
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