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Titolo:
THE REPRODUCIBILITY OF CEPHALIC PAIN PRESSURE THRESHOLDS IN CONTROL SUBJECTS AND HEADACHE PATIENTS
Autore:
SAND T; ZWART JA; HELDE G; BOVIM G;
Indirizzi:
UNIV TRONDHEIM HOSP,DEPT NEUROL TRONDHEIM NORWAY
Titolo Testata:
Cephalalgia
fascicolo: 7, volume: 17, anno: 1997,
pagine: 748 - 755
SICI:
0333-1024(1997)17:7<748:TROCPP>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
TENSION-TYPE HEADACHE; CERVICOGENIC HEADACHE; MUSCLE TENDERNESS; TEMPORAL REGION; RELIABILITY; ALGOMETRY; MIGRAINE; POPULATION; VALIDITY;
Keywords:
ALGOMETRY; HEADACHE; PAIN; PRESSURE PAIN THRESHOLD; RELIABILITY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
T. Sand et al., "THE REPRODUCIBILITY OF CEPHALIC PAIN PRESSURE THRESHOLDS IN CONTROL SUBJECTS AND HEADACHE PATIENTS", Cephalalgia, 17(7), 1997, pp. 748-755

Abstract

Pain pressure thresholds (PPT) were measured at 13 cephalic points bilaterally in 30 headache patients (la with tension-type headache, 10 with migraine and 10 with cervicogenic headache) and 10 central subjects on three different days, During the sessions, the subjects reported their pain intensity on the right and left sides of the head on a visual analogue scale (VAS). The variability between daps was estimated asa coefficient of repeatability (CR=2 standard deviations of intraindividual differences). The mean CR across all 13 locations was larger inheadache patients (2.0 kg/cm(2)) than in controls (1.68 kg/cm(2)). Variability (CR) was larger in headache patients as compared to control subjects for II of the 13 paints (p=0.02). Reliability tvas better in controls (intraclass correlation coefficients (ICC) ranging from 0.55 to 0.85) than in headache patients (ICC ranging from 0.43 to 0.78). A moderate negative association between PPT and pain intensity was demonstrated. The intraindividual PM difference (PPT on the most painful occasions-PPT on the least painful occasions) was negative at 12 of 13 cephalic points (p=0.003, across-location mean difference: -0.20 kg/cm(2)). The PPT differed significantly from one day to the next, A part of this variation tvas presumably related to the circumstances around the procedure; thresholds were lower then the subjects came directly toalgometry without any:preceding medical examination at all 13 points (p=0.0002). These results have implications fe; the planning of futurealgometer studies. The sample size that is required in studies of headache patients is greater than that in studies of healthy subjects, especially when patients suffer from pain during the PPT session. Particular attention should be paid to circumstances (e.g. preceding medicalinvestigations) around the algometry procedure in order to reduce variability.

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Documento generato il 26/09/20 alle ore 11:57:23