Differential efficiency of transcutaneous electrical nerve stimulation in dominant versus nondominant hands in fibromyalgia: placebo-controlled functional near-infrared spectroscopy study

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dc.contributor.authorEken, Aykut
dc.contributor.authorKara, Murat
dc.contributor.authorBaskak, Bora
dc.contributor.authorBaltacı, Ayşegül
dc.contributor.authorGökçay, Didem
dc.date.accessioned2020-05-01T09:11:25Z
dc.date.available2020-05-01T09:11:25Z
dc.date.issued2018
dc.departmentDÜ, Mühendislik Fakültesi, Biyomedikal Mühendisliği Bölümüen_US
dc.descriptionEken, Aykut/0000-0002-7023-7930en_US
dc.descriptionWOS: 000429587200005en_US
dc.descriptionPubMed: 28894759en_US
dc.description.abstractUsing functional near-infrared spectroscopy (fNIRS), modulation of hemodynamic responses by transcutaneous electrical nerve stimulation (TENS) during delivery of nociceptive stimulation was investigated in fibromyalgia (FM) patients and healthy controls for both hands. Two experiments were conducted: (1) median nerve stimulation with TENS and (2) painful stimulation using electronic von Frey filaments with TENS/placebo TENS. Mean Delta HbO(2) brain activity was compared across groups and conditions using factorial ANOVA. Dominant (right) hand stimulation indicated significant interactions between group and condition in both hemispheres. Post hoc results revealed that FM patients showed an increased activation in "pain + TENS" condition compared to the "pain + placebo TENS" condition while the brain activity patterns for these conditions in controls were reversed. Left-hand stimulation resulted in similar TENS effects (reduced activation for "pain + TENS" than " pain + placebo TENS") in both groups. TENS effects in FM patients might be manipulated by the stimulation side. While the nondominant hand was responsive to TENS treatment, the dominant hand was not. These results indicate that stimulation side might be an effective factor in FM treatment by using TENS. Future studies are needed to clarify the underlying mechanism for these findings. (c) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).en_US
dc.description.sponsorshipHigher Education Council of Turkey (YOK-Yuksekogretim Kurumu)en_US
dc.description.sponsorshipThe authors express their gratitude to the Ankara University BAUM Center for data acquisition and Cemre Topcu for assistance with stimulus delivery. This study was funded by Higher Education Council of Turkey (YOK-Yuksekogretim Kurumu).en_US
dc.identifier.doi10.1117/1.NPh.5.1.011005en_US
dc.identifier.issn2329-423X
dc.identifier.issn2329-4248
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1117/1.NPh.5.1.011005
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5580
dc.identifier.volume5en_US
dc.identifier.wosWOS:000429587200005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpie-Soc Photo-Optical Instrumentation Engineersen_US
dc.relation.ispartofNeurophotonicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectfibromyalgiaen_US
dc.subjectfunctional near-infrared spectroscopyen_US
dc.subjectvon Frey filamentsen_US
dc.subjecttranscutaneous electrical nerve stimulationen_US
dc.subjecthandednessen_US
dc.titleDifferential efficiency of transcutaneous electrical nerve stimulation in dominant versus nondominant hands in fibromyalgia: placebo-controlled functional near-infrared spectroscopy studyen_US
dc.typeArticleen_US

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