Pesquisa no site: 'cluster headache'


30/01/2017

Practical management of main primary headaches in emergency care units: Neurological Institute of Curitiba Approach


Headache is the most frequent complaint in Neurology, and the principal types are the tension-type headache, and migraine. In addition to the high prevalence in the population, migraine especially has a significant impact on quality of life. It is estimated that headaches comprise 5% of all com...




28/02/2012

Episodic paroxismal hemicrania: a new case (?)


Background: Episodic paroxysmal hemicrania (EPH) is a rare headache characterized by bouts of hemicranial pain with cranial autonomic symptoms separated by periods of pain-free remissions, very similar to episodic cluster headache (ECS). Objectives: To describe a n...




28/02/2012

The investigation of sleep disorders in patients with cluster headache


Introduction: Recent findings regarding cluster headache (CH) have led to studies of the relationship between the hypothalamic and respiratory systems and the correlation between this relationship and sleep apnea as a comorbidity. Objectives: This study aimed to det...




28/02/2012

The role of caffeine in the headaches: Attenuating or aggravating factor?


Introduction: Caffeine is often used in the treatment of headaches, either on its own or with other medications. Its constrictor effect in cerebral vessels is well known, but the extent to which it aggravates or improves other mechanisms is still unknown. Objectives




26/03/2012

Functional anatomy of headache: hypothalamus


There is now compelling evidence that the hypothalamus exerts a major role in the mechanism of headache triggering. Pain and concomitant changes in the hormonal secretory pattern occur during an attack of headache when hypothalamic structures are involved. During spontaneous migraine or cluster head...




26/02/2012

Lithium-responsive headaches


Introduction: Lithium-responsive headaches are primary and they have beginning nocturnal or on awakening. They are classified in three groups: Nocturnal Migraine, Cluster Headache, and Hypnic Headache. All three types show a positive therapeutic response to lithium and the average ...




26/02/2012

Why cluster headache is also called "suicide headache"?


Introduction: The cluster headache (CH) is characterized by attacks of excruciating unilateral headache, affecting mainly the fronto-orbital region associated with autonomic signs like lacrimation and conjunctival injection, eventually leading the patient to suicide. Object...




25/05/2012

Cluster headache: review of current understandings


Cluster headache (CH) is the trigeminal autonomic cephalalgia whose pain is considered to be one of the most severe known to man. Although diagnosed less frequently than migraine and tension-type headaches, CH is nonetheless an important clinical entity, particularly given our evolving understanding...




25/05/2012

Intravenous lidocaine for inducing remission of cluster period


Cluster headache is a rare clinical condition, classified by the IHS as a trigeminal autonomic cephalalgia. Some known abortive treatments are inhaled oxygen, subcutaneous sumatriptan, intravenous dihydroergotamine and intranasal lidocaine. However, previous case reports suggest that intravenous lid...




21/08/2012

Melatonin in headache disorders


Melatonin have diverse physiological functions, including the control of circadian rhythms, sleep regulation, enhancement of immunological functioning, free radical scavenging and antioxidant effects, inhibition of oncogenesis, mood regulation, vasoregulation, regulation of seasonal reproductive act...




19/03/2013

Cluster headache and the hypothalamus – causal relationship or epiphenomenon?


Typical clinical features of cluster headache (CH) include trigeminal distribution of pain, circadian/circannual rhythmicity, and ipisilateral cranial autonomic features. This presentation led to the assumption that the hypothalamus plays a pivotal role in this primary headache disorder. Several stu...




19/03/2012

Pathophysiology of cluster headache


Cefaléia em salvas é definida como cefaléia primária com dor de grande intensidade, unilateral, acompanhada por fenômenos disautonômicos ipsilaterais à dor os quais, aliados à periodicidade e à sazonalidade das salvas e à ritmicidade circadiana das crises, transformam-na numa fascinante e ...




19/03/2012

Clinical features of cluster headache


O quadro clínico da cefaléia em salvas como habitualmente vem sendo descrito na literatura e pode se depreender dos critérios emitidos para seu diagnóstico pela Sociedade Internacional de Cefaléia parece ser uniforme, estereotipado, quando na realidade não o é. A cefaléia em salvas, esta int...




19/03/2012

Naratriptan. Suggestions for its clinical use


Authors propose prophylactic administration of naratriptan for those patients presenting with migrane or cluster headache attacks that can be foreseen both relative to time (cluster headache occurring in the same hour of the night or day) or life period (menstrual headache). They also suggest naratr...




12/02/2012

Allodynia in cluster headache: a review


Allodynia is defined as the experience of pain due to nonpainful stimuli, and occurs in several clinical contexts, including primary headaches. Cluster headache is a primary cephalalgia which is more common in males, characterized by excruciating pain, and autonomic trigeminal dysfunction. The preva...




02/03/2012

The transcranial Doppler and the primary headaches


The transcranial Doppler (TCD) is an important noninvasive resource to evaluate cerebral blood flow by using ultrasound waves. It was first described by Aaslid, in 1982, and since then it’s applications have become considerably wider. The first studies using TCD in patients presenting primary heada...




02/03/2012

Cluster headache – Clinical features and pathophysiology - a brief review


Introduction: Cluster headache, the most painful of the primary headaches, is a strictly unilateral headache that occurs in association with cranial autonomic features and, in most patients, has a striking circannual and circadian periodicity. Its pathophysiology is cloudy and compl...




02/03/2012

Botulinum Toxin Type A for Refractory Cluster Headache


Introduction: Botulinum Toxin Type A has shown some promise for the treatment of migraine. At times, therapies that have proven helpful for migraine are also useful for Cluster headache as well. We evaluated this therapy in 5 patients. Material and methods: There we...




02/03/2012

Sodium warfarin as a therapeutic option for Chronic Cluster Headache: report of three cases


Introduction: There is no satisfactory therapy for the chronic form of Cluster Headache. Since of the incapacitating condition resulting from the repetitive episodes of Cluster Headache, to reduce the frequency of the cluster periods or even the length of the periods could be seen ...




02/03/2012

Cluster headache and sleep apnea coexistence


This study of sleep changes in patients with cluster headache (CH) was conducted in view of the nocturnal predominance of this condition, the efficacy of oxygen and the fact that the attacks follow oxygen desaturation. Proposed mechanisms include impairment of carotid body activity secondary to hypo...




01/06/2017

Editorial - Muitas formas diferentes de tratar uma crise de cefaleia


Uma crise de cefaleia primária é um sintoma autolimitado, mesmo quando não tratada. Nunca teremos certeza se o nosso tratamento prescrito aboliu realmente uma crise de migrânea, ou outro tipo de dor de cabeça. O efeito placebo é muito prevalente em pacientes que sofrem de dor de cabeça. Pode ...




01/06/2017

Síndrome salvas-tic: relato de caso e revisão da literatura


...