Cephalalgia : an international journal of headache
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Headache is a common and persistent symptom following traumatic brain injury (TBI). Headaches following TBI are defined primarily by their temporal association to injury, but have no defining clinical features. To provide a framework for treatment, primary headache symptoms were used to characterize headache. ⋯ Our data show that most headache after TBI may be classified using primary headache criteria. Migraine/probable migraine described the majority of headache after TBI across one year post-injury. Using symptom-based criteria for headache following TBI can serve as a framework from which to provide evidence-based treatment for these frequent, severe, and persistent headaches.
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Various animal and human studies have contributed to the idea of cortical structural-functional alterations in migraine. Defining concurrent cortical alterations may provide specific insights into the unfolding adaptive or maladaptive changes taking place in cortex in migraine. ⋯ These results suggest differential response patterns in the sensory vs. affective processing regions in the brain that may be an adaptive response to repeated migraine attacks.
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Case Reports
Headache attributed to airplane travel ('airplane headache'): clinical profile based on a large case series.
The 'headache attributed to airplane travel', also named 'airplane headache' (AH), is a recently described headache disorder that appears exclusively in relation to airplane flights, in particular during the landing phase. Based on the stereotypical nature of the attacks in all reported cases, we proposed provisional diagnostic criteria for AH in a previously published paper. Up to now 37 cases have been described in the literature. ⋯ This is by far the largest AH case series ever reported in the literature. The diagnostic criteria that we previously proposed proved to be valid when applied to a large number of patients suffering from this condition. We support its recognition as a new form of headache, to be included in the forthcoming update of the International Headache Society Classification, within '10. Headache attributed to disorder of homoeostasis'. Its formal validation would favour further studies aimed at improving the understanding of its pathophysiology and implementing preventative measures.
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Hypnic headache (HH) is a rare primary headache that occurs exclusively during sleep. Drug therapy of HH is often associated with side effects. In a few cases, antiepileptic drugs have been useful in preventing HH attacks. ⋯ To our knowledge, the response to lamotrigine in HH cases has never been reported. Because of its safety profile and availability, lamotrigine can be an effective alternative treatment in HH.
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Cluster headache (CH) is the most common of the trigeminal autonomic cephalalgias (TAC), presenting with excruciatingly severe, short-lasting, unilateral headache accompanied by cranial autonomic symptoms. Chronic CH occurs in 10-15% of patients. Deep brain stimulation in the posterior hypothalamic region (hDBS) is successful in treating about 60% of patients otherwise refractory to medical treatment. ⋯ Stimulation of the brain in the region of the posterior hypothalamus could produce sneezing from activation of facial nerve parasympathetic or trigeminal afferent pathway activation through the trigeminohypothalamic tract, or through other central mechanisms. DBS in general offers the opportunity to illuminate our understanding of brain function and for CH offers particular opportunities to understand a devastating primary headache syndrome.