Pathophysiology of Pain Perception

Lautenbacher, Stefan; Fillingim, Roger B.

doi:10.1007/978-1-4419-9068-6

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Cited by 25 publications

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Relationship Between Dry Eye Symptoms and Pain Sensitivity

et al. 2013

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RESULTS Of the 1622 participants included, 438 (27.0%) were categorized as having DED. Women with DED showed a significantly lower HPT (P = .03) and HPST (P = .003)-and hence had higher pain sensitivity-than those without DED. A strong significant association between the presence of pain symptoms on the OSDI and the HPT and HPST was found (P = .008 for the HPT and P = .003 for the HPST). In addition, participants with an HPT below the median had DED pain symptoms almost twice as often as those with an HPT above the median (31.2% vs 20.5%; odds ratio, 1.76; 95% CI, 1.15-2.71; P = .01). CONCLUSIONS AND RELEVANCE High pain sensitivity and low pain tolerance are associated with symptoms of DED, adding to previous associations of the severity of tear insufficiency, cell damage, and psychological factors. Management of DED symptoms is complex, and physicians need to consider the holistic picture, rather than simply treating ocular signs.

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