Abstract:
OBJECTIVES:Increased cerebral blood flow during processing of acute pain has repeatedly been observed in fibromyalgia syndrome. The study investigated the time dynamics of the pain-related hemodynamic response in fibromyalgia using transcranial Doppler sonography. METHODS:In 25 women with fibromyalgia and 25 healthy participants, blood flow velocities in the anterior and middle cerebral arteries of both hemispheres were recorded, while heat stimuli of 45°C were applied to their forearms. Thermal pain threshold and subjective pain experience during stimulation were assessed, and the participants completed the McGill Pain Inventory, Beck Depression Inventory, and State-Trait Anxiety Inventory. RESULTS:The early component of the blood flow response in both anterior cerebral arteries, that is, the steep flow increase during the initial stimulation period, was more pronounced in the patients than in the controls (mean [standard deviation] = 1.28% [1.85%] versus 0.24% [1.58%], p = .04). The patients showed lower pain threshold (p = .018), stronger sensory and affective pain experience (p < .001), and increased values on all questionnaire scales (all p values < .001). Although higher scores on each of the scales were associated with a stronger early blood flow response (r values ranging from 0.17 to 0.36), clinical pain severity proved to be the best predictor (β = .33, p = .02). CONCLUSIONS:The increased blood flow response in the anterior cerebral arteries reflects hyperactivity of medial structures of the neuromatrix of nociception, structures involved in the processing of affective and cognitive aspects of pain. Aberrances in cerebral blood flow related to fibromyalgia and its clinical characteristics become particularly apparent in the enhancement of the initial component of the hemodynamic response.
journal_name
Psychosom Medjournal_title
Psychosomatic medicineauthors
Duschek S,Mannhart T,Winkelmann A,Merzoug K,Werner NS,Schuepbach D,Montoya Pdoi
10.1097/PSY.0b013e3182676d08subject
Has Abstractpub_date
2012-10-01 00:00:00pages
802-9issue
8eissn
0033-3174issn
1534-7796pii
PSY.0b013e3182676d08journal_volume
74pub_type
杂志文章abstract:OBJECTIVE:The present investigation was designed to provide the first empirical examination of the effects of clonidine, a selective alpha 2-adrenergic agonist, on sexual arousal in women with and without prior sympathetic nervous system [SNS] stimulation by exercise. The purpose was to help elucidate the influence of ...
journal_title:Psychosomatic medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00006842-199707000-00010
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journal_title:Psychosomatic medicine
pub_type: 杂志文章
doi:10.1097/PSY.0b013e3181990fff
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abstract:OBJECTIVE:To investigate the association between vitamin D deficiency and depressive symptoms in a national community sample of older people. Vitamin D deficiency is common in older people with potential effects on mood. METHODS:Data were analyzed from 2070 participants aged ≥65 years who had participated in the 2005 ...
journal_title:Psychosomatic medicine
pub_type: 杂志文章
doi:10.1097/PSY.0b013e3181e9bf15
更新日期:2010-09-01 00:00:00
abstract::Despite advances in HIV treatment, there continues to be great variability in the progression of this disease. This paper reviews the evidence that depression, stressful life events, and trauma account for some of the variation in HIV disease course. Longitudinal studies both before and after the advent of highly acti...
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doi:10.1097/PSY.0000000000000187
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doi:10.1097/01.psy.0000040950.22044.10
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doi:10.1097/00006842-199905000-00009
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journal_title:Psychosomatic medicine
pub_type: 评论,杂志文章
doi:10.1097/PSY.0000000000000682
更新日期:2019-04-01 00:00:00
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journal_title:Psychosomatic medicine
pub_type: 杂志文章,评审
doi:10.1097/00006842-199207000-00011
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doi:10.1097/00006842-199809000-00011
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doi:10.1097/PSY.0b013e3181fd944c
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pub_type: 临床试验,杂志文章,随机对照试验
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doi:10.1097/PSY.0b013e3181646753
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
doi:10.1097/00006842-198011000-00003
更新日期:1980-11-01 00:00:00
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更新日期:2005-01-01 00:00:00
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pub_type: 杂志文章
doi:10.1097/00006842-197507000-00004
更新日期:1975-07-01 00:00:00
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journal_title:Psychosomatic medicine
pub_type: 杂志文章
doi:10.1097/PSY.0b013e3181d2f0dd
更新日期:2010-05-01 00:00:00