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Allodynia and Dysmenorrhea
John Jarrell1, Lars Arendt-Nielsen2
1Department of Obstetrics and Gynaecology, University of Calgary, Calgary AB.
Journal of Obstetrics and Gynaecology Canada : JOGC = Journal D'Obstetrique Et Gynecologie Du Canada : JOGC
|April 24, 2016
Summary
Women with chronic pelvic pain often experience allodynia, a heightened pain sensitivity. Severe dysmenorrhea significantly increases the likelihood and duration of this condition, suggesting early management is key.
Area of Science:
- Gynecology
- Pain Medicine
- Neurology
Background:
- Cutaneous allodynia, pain from non-painful stimuli, is observed in women with chronic pelvic pain.
- Dysmenorrhea is a frequent cause of chronic pelvic pain in women.
- This study investigates the link between allodynia and severe dysmenorrhea.
Purpose of the Study:
- To determine the frequency of allodynia in women with chronic pelvic pain.
- To explore the relationship between allodynia and the severity/duration of dysmenorrhea.
- To assess pain pressure thresholds in relation to dysmenorrhea severity.
Main Methods:
- 181 women with chronic pelvic pain (>6 months) were enrolled.
- Data collected on chronic pelvic pain, menstrual function, and dysmenorrhea severity.
- Gynaecological assessment, allodynia testing, and pain pressure threshold measurements were performed.
Main Results:
- Abdominal allodynia was present in 62.1% of participants.
- Women with allodynia reported significantly higher rates and longer durations of severe dysmenorrhea.
- Decreased pain pressure thresholds correlated with increased duration of severe dysmenorrhea.
Conclusions:
- Severe dysmenorrhea is linked to a higher incidence of chronic pain and allodynia.
- Prolonged severe dysmenorrhea increases pain sensitivity, indicated by reduced pain pressure thresholds.
- Early management of dysmenorrhea, potentially by suppressing menstrual function, is supported by these findings.
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