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Titolo:
REDUCTION OF TEMPORALIS EXTEROCEPTIVE SUPPRESSION BY PERIPHERAL ELECTRICAL-STIMULATION IN MIGRAINE AND TENSION-TYPE HEADACHES
Autore:
WANG W; SCHOENEN J;
Indirizzi:
UNIV LIEGE,CHR CITADELLE,DEPT NEUROL B-4000 LIEGE BELGIUM UNIV LIEGE,CHR CITADELLE,DEPT NEUROL B-4000 LIEGE BELGIUM
Titolo Testata:
Pain
fascicolo: 3, volume: 59, anno: 1994,
pagine: 327 - 334
SICI:
0304-3959(1994)59:3<327:ROTESB>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
JAW-OPENING REFLEX; NUCLEUS RAPHE MAGNUS; TOOTH-PULP STIMULATION; ANTERIOR PRETECTAL NUCLEUS; PERIAQUEDUCTAL GRAY-MATTER; MASSETER INHIBITORY REFLEX; MUSCLE-ACTIVITY; PARKINSONS-DISEASE; SILENT PERIOD; NEURONS;
Keywords:
EXTEROCEPTIVE SUPPRESSION; TEMPORALIS; PERIPHERAL MODULATION; MIGRAINE; TENSION-TYPE HEADACHE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
56
Recensione:
Indirizzi per estratti:
Citazione:
W. Wang e J. Schoenen, "REDUCTION OF TEMPORALIS EXTEROCEPTIVE SUPPRESSION BY PERIPHERAL ELECTRICAL-STIMULATION IN MIGRAINE AND TENSION-TYPE HEADACHES", Pain, 59(3), 1994, pp. 327-334

Abstract

Inhibition of the second exteroceptive suppression of temporalis muscle activity (ES2) produced by a preceding electrical stimulus applied at the index was studied in patients suffering from migraine without aura (MO), chronic (CTH) or episodic (ETH) tension-type headache. Each patient group comprised of 12 subjects was compared to a group of healthy controls. Mean duration of unconditioned ES2, measured on 10 averaged rectified responses after labial stimulation at a 0.1 Hz frequency, was reduced in CTH only. From stimulation intensities of 20 mA onward, peripheral-induced inhibition of temporalis ES2 was significantly more pronounced in both subtypes of tension-type headache compared to migraineurs or controls. After an index finger stimulus of 20 mA, temporalis ES2 was abolished in 83% of CTH, 67% of ETH, 25% of MO patients and 8% of controls, whereas unconditioned ES2 was present in all patients. Among 9 ETH patients with normal (greater than or equal to 32 msec) unconditioned ES2, 5 had total disappearance of ES2 after a 20 mA index stimulation. These results demonstrate that peripheral conditioning at 20 mA increases the diagnostic sensitivity of ES2 studies. They suggest that the changes observed in tension-type headache are due to hyperexcitability of the reticular nuclei which inhibit the medullary inhibitory interneurons mediating ES2.

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Documento generato il 27/11/20 alle ore 22:20:37