Document Detail


Quantitative sensory testing in vulvodynia patients and increased peripheral pressure pain sensitivity.
MedLine Citation:
PMID:  15229011     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To assess both regional (vulvar) and overall (generalized) pain sensitivity in women with vulvodynia to determine whether both are increased, suggestive of altered central pain processing. METHODS: Seventeen patients (aged 18-60 years) with vulvodynia and 23 age-matched control subjects were included in this cross-sectional study. Pressure pain thresholds in the vulvar area were evaluated in 23 defined locations using a newly developed vulvodolorimeter. Peripheral pressure pain sensitivity was assessed by applying 1) continuously ascending pressures to 3 bilateral locations (thumb, deltoid, and shin), and 2) discrete pressure stimuli to the thumb using both an ascending and random sequence of varying pressures. RESULTS: Pain thresholds at all vulvar locations were lower in the women with vulvodynia than in pain-free control subjects. Similarly, peripheral pain thresholds were lower at the thumb in women with vulvodynia when obtained by discrete ascending or random staircase paradigms, as well as at the thumb, deltoid, and shin when tested by dolorimeter (P <.05). Findings were similar in both those with generalized vulvar dysesthesia and those with localized vestibulodynia. The quantitative results obtained with the vulvodolorimeter and with the more subjective cotton-tipped swab testing routinely used in diagnosis were strongly correlated. CONCLUSION: Women with vulvodynia displayed significantly increased pressure pain sensitivity in both the vulvar region and in peripheral body regions, suggesting a "central" component to the mechanisms mediating this disorder. Both the novel vulvodolorimeter and the thumb pressure stimulator may assist in future experimental tests of this and related hypotheses.
Authors:
Jutta Giesecke; Barbara D Reed; Hope K Haefner; Thorsten Giesecke; Daniel J Clauw; Richard H Gracely
Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  104     ISSN:  0029-7844     ISO Abbreviation:  Obstet Gynecol     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-07-01     Completed Date:  2004-07-30     Revised Date:  2009-10-26    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  126-33     Citation Subset:  AIM; IM    
Affiliation:
Chronic Pain and Fatigue Research Program, Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, Michigan 48109-0708, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Cross-Sectional Studies
Female
Humans
Middle Aged
Pain / physiopathology*
Pain Measurement / methods
Pain Threshold / physiology*
Pressure
Vulva / physiopathology*
Vulvar Diseases / physiopathology*
Grant Support
ID/Acronym/Agency:
R01 HD40112/HD/NICHD NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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