SUNCT and SUNA: an Update and Review

Karissa N. Arca, Rashmi B Halker Singh

Research output: Contribution to journalReview article

3 Citations (Scopus)

Abstract

Purpose of Review: The purpose of this review is to provide an update on the clinical features, diagnosis, pathogenesis, epidemiology, and treatment of the rare primary headache disorders short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) and short-lasting unilateral neuralgiform headache attacks with autonomic symptoms (SUNA). Together these entities are known as short-lasting unilateral neuralgiform headache attacks (SUNHA). Recent Findings: Recent case reports of secondary SUNCT and SUNA due to medullary infarcts support the theory that the trigeminohypothalamic pathway is involved in the pathophysiology of SUNHA. While medical therapy for SUNHA has not significantly changed, surgical therapy for refractory SUNCT and SUNA has made advancements with a recent case series demonstrating the efficacy of deep brain stimulation. Summary: We will discuss the pathophysiology of both the pain and the autonomic symptoms experienced in SUNCT and SUNA attacks as well the medical, procedural, and surgical options for treatment with emphasis on recent advances. Specific secondary causes reported in the recent literature will be discussed in brief.

Original languageEnglish (US)
Article number56
JournalCurrent Pain and Headache Reports
Volume22
Issue number8
DOIs
StatePublished - Aug 1 2018

Fingerprint

Headache
Primary Headache Disorders
Deep Brain Stimulation
Therapeutics
Epidemiology
Pain
Injections

Keywords

  • SUNA
  • SUNCT
  • SUNHA
  • TAC
  • Trigeminal autonomic cephalalgia

ASJC Scopus subject areas

  • Clinical Neurology
  • Anesthesiology and Pain Medicine

Cite this

SUNCT and SUNA : an Update and Review. / Arca, Karissa N.; Halker Singh, Rashmi B.

In: Current Pain and Headache Reports, Vol. 22, No. 8, 56, 01.08.2018.

Research output: Contribution to journalReview article

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