Cotton-tipped applicator test: validity and reliability in chronic pelvic pain

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• 作者：Maryam Nasr-Esfahani ; MD ; ^{Maryam.nasr-esfahani@albertahealthservices.ca} ; John Jarrell ; MD ; MSc
• 关键词：chronic pelvic pain ; cotton-tipped applicator test ; cutaneous allodynia ; visceral disease
• 刊名：American Journal of Obstetrics and Gynecology
• 出版年：2013
• 出版时间：January, 2013
• 年：2013
• 卷：208
• 期：1
• 页码：52.e1-52.e5
• 全文大小：473 K

文摘

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Objective

We sought to assess the concurrent validity and interrater reliability of the cotton-tipped applicator (CTA) test as a screening tool for diagnosis of cutaneous allodynia in patients with viscerally related chronic pelvic pain (CPP).

Study Design

We performed a prospective cohort comparative observational study of referred patients to a gynecology clinic with CPP. A total of 22 females with CPP were compared to 23 pain-free controls and 12 cyclic pain patients. Participants were evaluated by 2 clinicians. The CTA test was performed to detect the appearance of pain in dermatomes of T10-L1.

Results

Interrater reliability resulted in 98 % agreement for the 3 study groups. CTA test showed 73 % sensitivity and 100 % specificity for differentiating patients with CPP from pain-free patients.

Conclusion

The CTA test had excellent interrater reliability and concurrent validity for diagnosis of cutaneous allodynia in CPP patients with visceral diseases versus controls.