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Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins...
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Related Experiment Video

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Author Spotlight: Minimally Invasive Relief for Occipital Neuralgia at the Nuchal Line
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Understanding cervicogenic headache.

Nicholas H L Chua1, Hans V Suijlekom, Oliver H Wilder-Smith

  • 1Department of Anesthesiology, Intensive Care and Pain Medicine, Tan Tock Seng Hospital, Singapore ; Department of Anesthesiology, Pain and Palliative Medicine, Radboud University, Nijmegen Medical Center, Nijmegen, The Netherlands.

Anesthesiology and Pain Medicine
|November 14, 2013
PubMed
Summary
This summary is machine-generated.

Cervicogenic headache (CEH) develops from sensory input convergence at the trigeminocervical nucleus, explaining pain patterns and triggers. Understanding this mechanism improves treatment and patient care for recurrent headaches.

Keywords:
Chronic PainHeadacheNeckPost-Traumatic HeadacheSecondaryTrigeminal Nucleus, Spinal

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Area of Science:

  • Neurology
  • Pain Medicine
  • Headache Disorders

Background:

  • Cervicogenic headache (CEH) is characterized by pain referred from the neck.
  • The trigeminocervical nucleus is implicated in processing head and neck pain signals.

Purpose of the Study:

  • To elucidate the neural mechanisms underlying cervicogenic headache development and progression.
  • To correlate neural connectivity with symptomatic presentations and treatment outcomes.

Main Methods:

  • Review of the purported mechanism involving sensory input convergence at the trigeminocervical nucleus.
  • Analysis of pain referral patterns and triggers related to neck posture and pressure.
  • Consideration of evidence from eyeblink reflex and quantitative sensory testing (QST).

Main Results:

  • Sensory input convergence at the trigeminocervical nucleus is the proposed mechanism for CEH.
  • This mechanism explains pain radiation to the oculo-fronto-temporal region and recurrent headaches from neck issues.
  • Neural connectivity findings support the role of the trigeminal nucleus in CEH.

Conclusions:

  • Understanding the trigeminocervical nucleus mechanism is crucial for effective CEH treatment.
  • Knowledge of these mechanisms aids in appreciating the diverse symptomatic presentations of CEH patients.