Combined evaluation of pupillary and cardiovascular responses to cold pressor test in cluster headache patients

C. Tassorelli, G. Micieli, V. Osipova, S. Marcheselli, F. Rossi, G. Nappi

Research output: Contribution to journalArticle

Abstract

Little is known about the structures and mechanisms involved in the pathophysiology of cluster headache (CH). In this study, pupillary and cardiovascular responses to the cold pressor test (CPT) were monitored in CH patients during either an active phase of disease or a remission period in order to evaluate the oculocephalic and cardiovascular functioning of the autonomic nervous system in this form of idiopathic headache. CH patients showed a specific pattern of pupillary response on both sides during both phases of the disease. This response differed from that of controls because of an absent miosis. The pressor response to CPT was more marked in CH patients than in controls. Naloxone pretreatment caused specific and selective changes in both the pupillary and cardiovascular responses of CH patients. These data suggest a systemic sympathetic hyperactivation in response to CPT in CH patients. An oculocephalic sympathetic hypofunction is possibly associated as well as an altered opioid neuromodulation.

Original languageEnglish
Pages (from-to)668-674
Number of pages7
JournalCephalalgia
Volume18
Issue number10
DOIs
Publication statusPublished - 1998

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Cluster Headache
Miosis
Tension-Type Headache
Autonomic Nervous System
Naloxone
Opioid Analgesics

Keywords

  • Blood pressure
  • Naloxone
  • Pain
  • Pupil
  • Stress

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Combined evaluation of pupillary and cardiovascular responses to cold pressor test in cluster headache patients. / Tassorelli, C.; Micieli, G.; Osipova, V.; Marcheselli, S.; Rossi, F.; Nappi, G.

In: Cephalalgia, Vol. 18, No. 10, 1998, p. 668-674.

Research output: Contribution to journalArticle

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