Short latency trigemino-sternocleidomastoid response in patients with migraine

Nardone, Raffaele; Tezzon, Frediano

doi:10.1007/s00415-003-1073-5

Cited by 16 publications

(14 citation statements)

References 20 publications

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“…Similar results were obtained in our previous study in different patient groups with headache [15]. Our findings confirmed the data reported by Nardone et al [16,17], who found abnormalities in latency and amplitude of the response in patients with migraine [16] and in patients with chronic tensiontype headache [17].…”

Section: Discussionsupporting

confidence: 93%

Trigeminal Nerve Reflexes in Chronic Pain Syndromes

Reshkova¹,

Bogdanova²,

Milanov³

2015

J Neurol Neurosci

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Section: Discussionsupporting

confidence: 93%

Trigeminal Nerve Reflexes in Chronic Pain Syndromes

Reshkova¹,

Bogdanova²,

Milanov³

2015

J Neurol Neurosci

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“…The results of the controls were similar to those previously reported studies [9, 11–14]. However, the effect of hormonal change on with neurophysiologic studies of trigeminal system of controls has not been studied extensively so far.…”

Section: Discussionsupporting

confidence: 89%

“…Milano et al [12] studied long latency of TCR of migraine patients during headache-free period and found that the mean onset TCR after ipsi- and contralateral stimulation was significantly shortened on the painful side of migraine patients ( P < 0.01). Recently, the recovery curve of the TCR was found to be significantly faster in migraine patients than in controls, suggesting that the pain-free period in migraine patients was characterized by a hyperexcitability of the trigeminal pathways [14]. In our study, the long latency of TCR was of shortened latency in all patients with headache during the perimenstrual period, compared with headache-free and the controls ( P < 0.01).…”

Section: Discussionsupporting

confidence: 53%

Altered trigeminal system excitability in menstrual migraine patients

Varlibas

Erdemoğlu

2009

J Headache Pain

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To evaluate brainstem excitability in menstrual migraine (MM) patients and compare the electrophysiological parameters of the trigeminocervical reflex (TCR) during the perimenstrual (headache period) and follicular (headache-free) periods with those in healthy controls. Thirty-one patients with MM and 22 volunteer age- and sex-matched healthy women were included in the study. The TCR was studied bilaterally with stimulation of the supraorbital branch of the trigeminal nerve during the perimenstrual period and follicular phase. The electrophysiological parameters of the TCR were compared between MM patients and controls. In controls, there was no statistically significant difference in the mean reflex latencies recorded during the perimenstrual and follicular phases (P > 0.05). In MM patients, the mean reflex latencies recorded during the perimenstrual (headache period) and follicular phase (headache-free) periods were significantly different from each other and from those in controls. The latencies of MM patients during the follicular (headache-free) period were significantly longer than those of controls. Brainstem excitability differed significantly between the perimenstrual (headache period) and follicular phase (headache-free) periods in MM. Furthermore, trigeminal excitability in MM patients was significantly different from that in healthy controls in both phases of the menstrual period.

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“…Two separate groups found reduced latencies of the trigemonocervical reflex in patients with chronic TTH [129-131]. Using a nociception-specific electrode lower values of the normalized root mean square and area under the curve of the blink with control subjects [132].…”

Section: Reviewmentioning

confidence: 99%

Habituation and sensitization in primary headaches

et al. 2013

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The phenomena of habituation and sensitization are considered most useful for studying the neuronal substrates of information processing in the CNS. Both were studied in primary headaches, that are functional disorders of the brain characterized by an abnormal responsivity to any kind of incoming innocuous or painful stimuli and it’s cycling pattern over time (interictal, pre-ictal, ictal). The present review summarizes available data on stimulus responsivity in primary headaches obtained with clinical neurophysiology. In migraine, the majority of electrophysiological studies between attacks have shown that, for a number of different sensory modalities, the brain is characterised by a lack of habituation of evoked responses to repeated stimuli. This abnormal processing of the incoming information reaches its maximum a few days before the beginning of an attack, and normalizes during the attack, at a time when sensitization may also manifest itself. An abnormal rhythmic activity between thalamus and cortex, namely thalamocortical dysrhythmia, may be the pathophysiological mechanism subtending abnormal information processing in migraine. In tension-type headache (TTH), only few signs of deficient habituation were observed only in subgroups of patients. By contrast, using grand-average responses indirect evidence for sensitization has been found in chronic TTH with increased nociceptive specific reflexes and evoked potentials. Generalized increased sensitivity to pain (lower thresholds and increased pain rating) and a dysfunction in supraspinal descending pain control systems may contribute to the development and/or maintenance of central sensitization in chronic TTH. Cluster headache patients are chrarcterized during the bout and on the headache side by a pronounced lack of habituation of the brainstem blink reflex and a general sensitization of pain processing. A better insight into the nature of these ictal/interictal electrophysiological dysfunctions in primary headaches paves the way for novel therapeutic targets and may allow a better understanding of the mode of action of available therapies.

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Short latency trigemino-sternocleidomastoid response in patients with migraine

Cited by 16 publications

References 20 publications

Trigeminal Nerve Reflexes in Chronic Pain Syndromes

Trigeminal Nerve Reflexes in Chronic Pain Syndromes

Altered trigeminal system excitability in menstrual migraine patients

Habituation and sensitization in primary headaches

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