Effect of percutaneous transluminal coronary angioplasty on QT dispersion and heart rate variability parameters

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dc.contributor.buuauthorAydınlar, Ali
dc.contributor.buuauthorŞentürk, Tunay
dc.contributor.buuauthorÖzdemir, Bülent
dc.contributor.buuauthorKaderli, Aysel Aydın
dc.contributor.buuauthorAydın, Özlem
dc.contributor.departmentUludağ Üniversitesi/Tıp Fakültesi/Kardiyoloji Anabilim Dalı.tr_TR
dc.contributor.orcid0000-0002-8974-8837tr_TR
dc.contributor.researcheridAAI-6632-2021tr_TR
dc.contributor.researcheridC-1517-2017tr_TR
dc.contributor.scopusid6603131517tr_TR
dc.contributor.scopusid8342098300tr_TR
dc.contributor.scopusid7004168959tr_TR
dc.contributor.scopusid7801322152tr_TR
dc.contributor.scopusid57197050271tr_TR
dc.date.accessioned2022-02-25T11:24:21Z
dc.date.available2022-02-25T11:24:21Z
dc.date.issued2009
dc.description.abstractBackground: The aim of the study was to analyse parameters reflecting the sympathovagal control of ventricular depolarisation and repolarisation [heart rate variability (HRV) and QT interval dispersion (QTd)] in patients undergoing elective percutaneous transluminal coronary angioplasty (PTCA), and determine whether HRV correlates with QT dispersion parameters. Methods: The study consisted of 26 consecutive patients (16 men, 10 women) with single-vessel coronary artery disease (CAD) who underwent elective coronary angioplasty. HRV analyses of all subjects were obtained with the time-and frequency-domain methods. For frequency-domain analysis, low-frequency HRV (LF), high-frequency HRV (HF) and the LF: HF ratio were measured. For time-domain analysis, standard deviations of the normal-to-normal QRS intervals (SDNN) and square roots of the mean squared differences of successive N-N intervals (rMSSD) were obtained. QT intervals were also corrected for heart rate using the Bazett's formula, and the corrected QT interval dispersion (QTcd) was then calculated. All measurements (HRV parameters and QTcd) were made before and immediately after PTCA. Results: QTcd was significantly decreased after PTCA (52.2 +/- 3.5 vs 42 +/- 3.9 ms). SDNN (94.1 +/- 22 vs 123.9 +/- 35.2 ms), rMSSD (43.7 +/- 20.1 vs 73.4 +/- 14.5 ms) and HF (51.1 +/- 48.8 vs 64.2 +/- 28.6 ms(2)) were significantly higher after PTCA, whereas LF (142 +/- 41.5 vs 157.2 +/- 25.9 ms(2)) and the ratio of LF: HF (3.3 +/- 1.9 vs 2.1 +/- 1.2) were significantly decreased after PTCA. We observed a significant negative correlation after PTCA between QTcd and LF (r = -0.87, p = 0.01) and between QTcd and the ratio of LF: HF (r = -056, p < 0.05). Conclusion: Among the patients with CAD undergoing PTCA, QTcd significantly decreased after PTCA, and negatively correlated with LF, the parameter reflecting the sympathetic system.en_US
dc.identifier.citationAydınlar, A. vd. (2009). "Effect of percutaneous transluminal coronary angioplasty on QT dispersion and heart rate variability parameters". Cardiovascular Journal of Africa, 20(4), 240-244.en_US
dc.identifier.endpage244tr_TR
dc.identifier.issn1995-1892
dc.identifier.issue4tr_TR
dc.identifier.pubmed19701536tr_TR
dc.identifier.scopus2-s2.0-69949090504tr_TR
dc.identifier.startpage240tr_TR
dc.identifier.urihttp://hdl.handle.net/11452/24657
dc.identifier.volume20tr_TR
dc.identifier.wos000270300700011tr_TR
dc.indexed.pubmedPubmeden_US
dc.indexed.scopusScopusen_US
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherClinics Cardive Publ Ptyen_US
dc.relation.journalCardiovascular Journal of Africaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectInterval-dispersionen_US
dc.subjectStimulationen_US
dc.subjectOcclusionen_US
dc.subjectResponsesen_US
dc.subjectHumansen_US
dc.subjectCardiovascular system & cardiologyen_US
dc.subject.emtreeAdrenergic systemen_US
dc.subject.emtreeAdulten_US
dc.subject.emtreeAgeden_US
dc.subject.emtreeArticleen_US
dc.subject.emtreeClinical articleen_US
dc.subject.emtreeCoronary artery diseaseen_US
dc.subject.emtreeCorrelation analysisen_US
dc.subject.emtreeFemaleen_US
dc.subject.emtreeHeart depolarizationen_US
dc.subject.emtreeHeart rate variabilityen_US
dc.subject.emtreeHeart repolarizationen_US
dc.subject.emtreeHumanen_US
dc.subject.emtreeMaleen_US
dc.subject.emtreeQRS complexen_US
dc.subject.emtreeQT dispersionen_US
dc.subject.emtreeQT intervalen_US
dc.subject.emtreeTransluminal coronary angioplastyen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAngioplasty, transluminal, percutaneous coronaryen_US
dc.subject.meshCoronary artery diseaseen_US
dc.subject.meshFemaleen_US
dc.subject.meshHeart conduction systemen_US
dc.subject.meshHeart rateen_US
dc.subject.meshHeart ventriclesen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle ageden_US
dc.subject.scopusRepolarization; Prolongation; Heart Ventricle Arrhythmiaen_US
dc.subject.wosCardiac & cardiovascular systemsen_US
dc.titleEffect of percutaneous transluminal coronary angioplasty on QT dispersion and heart rate variability parametersen_US
dc.typeArticle

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