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Cutaneous allodynia (CA), the perception of pain when a non-noxious stimulus is applied to normal skin, has been described in various pain syndromes. The pathophysiology of CA in headache is thought to be related to central sensitization of brainstem, and possibly thalamic, neurons. The recognition
Background: Cluster headache (CH) is clinically associated with considerable psychosocial burden. However, instruments to assess and characterize psychosocial factors in cluster headache more specifically are lacking. This study aimed to develop a self-report
The present study concerns the possible relationship between hypoxia and the generation of cluster headache attacks. Fifteen controls and 25 cluster headache patients were studied. The patients were allocated into two groups according to cluster headache stage, i.e. cluster or remission period.
Ten episodic cluster headache patients in their active cluster period, ten patients in remission and five control subjects were monitored for minute to minute changes in oxygen saturation (SaO2) and pulse rate before and after nitroglycerin (NTG) administration. A transient but significant decrease
Cluster headache is described here as having three distinct and contiguous clinical phases. Evidence of the pathophysiological changes associated with each phase is reviewed. The first phase, the cluster period, is characterized by chronobiological aberrations and impaired sympathetic nervous system
Cluster headache (CH) pain is the most severe of the primary headache syndromes. It is characterized by periodic attacks of strictly unilateral pain associated with ipsilateral cranial autonomic symptoms. The majority of patients have episodic CH, with cluster periods that typically occur in a
Cluster headache is a strictly unilateral headache that is associated with ipsilateral cranial autonomic symptoms and usually has a circadian and circannual pattern. Prevalence is estimated at 0.5 to 1.0/1,000. The diagnosis of cluster headache is made based on the patient's case history. There are
Pulsed radiofrequency treatment has been described as a nonablative alternative to radiofrequency thermocoagulation for the management of certain chronic pain syndromes. We present our first three patients with long-standing cluster headaches who were treated with pulsed radiofrequency to the
Cluster headache (CH) is characterized by a series of sudden attacks of short-lasting severe headache pain with ipsilateral autonomic features, including lacrimation, rhinorrhea, localized sweating, eyelid edema, and partial or complete Horner's syndrome. Just like in migraine, brush allodynia has
Cluster headache is characterized by recurrent unilateral attacks of headache of great intensity and brief duration (15-180 minutes), accompanied by local signs and symptoms of autonomic dysfunction including conjunctival injection, lacrimation, nasal congestion, rhinnorrhea, forehead and facial
BACKGROUND
Cluster headache (CH) is a primary headache by definition not caused by any known underlying structural pathology. However, symptomatic cases have been described. The evaluation of CH is an issue unresolved.
METHODS
A 41-year-old man presented with a 3-month history of side-locked attacks
Cluster headache (CH) is characterized by attacks of severe, strictly unilateral pain that is orbital, supraorbital, temporal, or any combination of these, lasts 15-180 min, and occurs from once every other day to eight times a day. The pain is associated with ipsilateral conjunctival injection,
OBJECTIVE
Cluster headache (CH) is a severe unilateral and periorbital facial pain syndrome that is often associated with autonomic symptoms, including ipsilateral lacrimation, nasal congestion, conjunctival injection, miosis, ptosis, and eyelid edema. We evaluated the treatment of medically
Cluster headaches are characterized by attacks of strictly unilateral severe pain which is orbital, supraorbital, temporal or in any combination of these sites associated with one or more of the following, ipsilateral conjunctival injection, lacrimation, nasal congestion, rhinorrhea, forehead and
Cluster headache has been defined by the International Headache Society (IHS) as one of the primary headaches. A primary headache is a headache that has no other known cause, such as infection or trauma. Cluster headache is also listed as one of the trigeminal autonomic cephalalgias. These headaches