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Headaches - cluster - Introduction

Description

An in-depth report on the causes, diagnosis, treatment, and prevention of cluster headaches.

Introduction:

Most people have had headaches. There are many different kinds of headaches, and they range from being an infrequent annoyance to a persistent, severe, and disabling medical condition.

The brain is insensitive to pain, so that is not what hurts when you have a headache. Rather, the pain occurs in the following locations:

  • The tissues covering the brain
  • The attaching structures at the base of the brain
  • Muscles and blood vessels around the scalp, face, and neck

Doctors categorize headaches as either primary or secondary. The category helps to distinguish the many different kinds of headaches and to determine right treatments for each.

Primary Headaches

A headache is considered primary when a disease or other medical condition does not cause it. Most primary headaches fall into three main types: tension-type, migraine, and cluster headaches.

  • Tension headache is the most common primary headache and accounts for 90% of all headaches.
  • Migraines are the second most frequently occurring primary headaches. Migraine is referred to as a neurovascular headache because it is most likely caused by an interaction between blood vessel and nerve abnormalities.
  • Cluster headache is a less common type of primary headache. Although it is sometimes referred to as a neurovascular headache, evidence now suggests that its cause lies in the hypothalamus, a region deep in the brain that regulates, among other functions, the biologic rhythms of the body.
Headaches are usually caused by muscle tension, vascular problems, or both. Migraines are vascular in origin, and may be preceded by visual disturbances, loss of peripheral vision, and fatigue. Most headaches can be relieved by over-the-counter pain medications.
Headache

Secondary Headaches

Secondary headaches are caused by other medical conditions, such as sinus infections, neck injuries, and strokes. About 2% of headaches are secondary to abnormalities or infections in the nasal or sinus passages, and they are commonly referred to as sinus headaches.

Chronic Daily Headaches

The International Headache Society has developed a classification system that includes a category called chronic daily headaches. They may originate as tension headaches, migraines, or a combination of these or other headache types. Chronic daily headaches affect 4 - 5% of the population.

Chronic daily headaches are defined as any benign headache that occurs at least 15 days a month and is not associated with a serious neurologic abnormality. Most people with these headaches have them daily or almost daily and they can be quite debilitating.

Chronic daily headaches are, in turn, subdivided into two categories:

  • Short-duration headaches, or those lasting fewer than 4 hours. The most common short-acting chronic headaches are cluster headaches.
  • Long-duration headaches, which last more than 4 hours. Tension-type headaches are the most common type of long-duration chronic (recurring) headaches and, in fact, the most common type of chronic headaches in general.


Click the icon to see an image of the different types of headache.

Resources

References

Beck E, Sieber WJ, Trejo R. Management of cluster headaches. Am Fam Physician. 2005; 71(4): 717-24.

Burns B, Watkins L, Goadsby PJ. Treatment of medically intractable cluster headache by occipital nerve stimulation: long-term follow-up of eight patients. Lancet. 2007 Mar 31;369(9567):1099-106.

Cittadini E, May A, Straube A, Evers S, Bussone G, Goadsby PJ. Effectiveness of intranasal zolmitriptan in acute cluster headache: a randomized, placebo-controlled, double-blind crossover study. Arch Neurol. November 2006. [Epub ahead of print 11 September 2006]

Magis D, Allena M, Bolla M, De Pasqua V, Remacle JM, Schoenen J. Occipital nerve stimulation for drug-resistant chronic cluster headache: a prospective pilot study. Lancet Neurol. 2007 Apr;6(4):314-21.

May A. Cluster headache: pathogenesis, diagnosis, and management. Lancet. 2005; 366(9488): 843-55.

Rapoport AM, Mathew NT, Silberstein SD, Dodick D, Tepper SJ, Sheftell FD, Bigal ME. Zolmitriptan nasal spray in the acute treatment of cluster headache: a double-blind study. Neurology. 2007 Aug 28;69(9):821-6.

Rose KM, Wong TY, Carson AP, Couper DJ, Klein R, Sharrett AR. Migraine and retinal microvascular abnormalities: the Atherosclerosis Risk in Communities Study. Neurology. 2007 May 15;68(20):1694-700.

Schurks M, Kurth T, de Jesus J, Jonjic M, Rosskopf D, Diener HC. Cluster headache: clinical presentation, lifestyle features, and medical treatment. Headache. 2006 Sep;46(8):1246-54.

Silberstein SD, Young WB. Headache and facial pain. In: Goetz CG, eds. Textbook of Clinical Neurology. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 53.

Sostak P, Krause P, Forderreuther S, Reinisch V, Straube A. Botulinum toxin type-A therapy in cluster headache: an open study. J Headache Pain. 2007 Sep 24; [Epub ahead of print]

Van Vliet JA, Eekers PJ, Haan J, Ferrari MD; Dutch RUSSH Study Group. Evaluating the IHS criteria for cluster headache -- a comparison between patients meeting all criteria and patients failing one criterion. Cephalalgia. 2006 Mar;26(3):241-5.

  • Reviewed last on: 9/9/2008
  • Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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