Sympathetic skin response and RR interval variation in patients with cardiac syndrome X

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dc.authoridAltun, Armagan/0000-0002-3233-8263
dc.authorwosidAltun, Armagan/ABB-5844-2020
dc.contributor.authorAltun, Armagan
dc.contributor.authorTurgut, Nilda
dc.contributor.authorTatli, Ersan
dc.contributor.authorUgur-Altun, Betul
dc.contributor.authorBalci, Kemal
dc.date.accessioned2024-06-12T11:18:39Z
dc.date.available2024-06-12T11:18:39Z
dc.date.issued2007
dc.departmentTrakya Üniversitesien_US
dc.description.abstractSympathetic skin response (SSR) and R-R interval variation (RRIV) are noninvasive electrophysiological tests used in the assessment of sympathetic and parasympathetic nervous system function, respectively. Cardiac syndrome X (CSX) is usually diagnosed in the presence of typical angina pectoris, a positive response to exercise testing, and normal-appearing coronary angiograms without spasm induced by hyperventilation or ergonovine. Alterations of autonomic nervous system control of cardiac function have been described in CSX. The aim of the study was to investigate autonomic nervous system function in patients with CSX. Nine patients with CSX (2 men, 7 women) and healthy controls (11 men, 19 women) were included in the study. SSRs were recorded from palm of hands by stimulation of the median nerve. RRIV recordings were taken from precordium during both rest position (R%) and deep inspiration of 6 times per minute (D%). In addition D%-R% and D%/R% values were calculated. SSR amplitude of CSX was lower than in controls (3.64 +/- 4.78 vs 6.36 +/- 3.4 mV, p = 0.017). There was no difference between groups for SSR latency values (CSX: 1,366 99; controls: 1,383 85 msec). Also, R% (CSX: 13.04 +/- 63; controls: 12.92 +/- 3.91) and D% (CSX: 16.63 +/- 8.88; controls: 21.43 +/- 73) values were similar in the 2 groups. However, D%-R% (CSX: 3.59 +/- 10.11; controls: 8.51 +/- 7.01) and D%/R% (CSX: 1.45 +/- 0.93; controls: 1,78 +/- 0.69) values were slightly lower in patients with CSX but were not statistically significant. A linear correlation was found between SSR amplitude and D%/R% (r = 0.336, p = 0.036). The authors conclude that, among patients with CSX, there are alterations of autonomic nervous control of skin as well as of other organs ie, heart). SSR and RRIV testing can be done easily in the neurophysiology laboratory to assess the sympathetic and parasympathetic system, respectively.en_US
dc.identifier.doi10.1177/0003319707309117
dc.identifier.endpage750en_US
dc.identifier.issn0003-3197
dc.identifier.issue6en_US
dc.identifier.pmid18216382en_US
dc.identifier.scopus2-s2.0-37849016113en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage747en_US
dc.identifier.urihttps://doi.org/10.1177/0003319707309117
dc.identifier.urihttps://hdl.handle.net/20.500.14551/24889
dc.identifier.volume58en_US
dc.identifier.wosWOS:000251982900014en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSage Publications Incen_US
dc.relation.ispartofAngiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectConductionen_US
dc.subjectSudomotoren_US
dc.subjectDiseaseen_US
dc.subjectHearten_US
dc.titleSympathetic skin response and RR interval variation in patients with cardiac syndrome Xen_US
dc.typeArticleen_US

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