Clinical Significance of Positive Isovolumetric Relaxation Velocity of Pulsed-Wave Tissue Doppler Imaging

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dc.authorwosidAKTOZ, MERYEM/M-9023-2018
dc.contributor.authorSueruecue, Hueseyin
dc.contributor.authorTatli, Ersan
dc.contributor.authorDegirmenci, Ali
dc.contributor.authorOkudan, Selnur
dc.contributor.authorAktoz, Meryem
dc.contributor.authorBoz, Hakki
dc.date.accessioned2024-06-12T11:07:36Z
dc.date.available2024-06-12T11:07:36Z
dc.date.issued2009
dc.departmentTrakya Üniversitesien_US
dc.description.abstractObjective: Among the pulsed-wave tissue Doppler imaging (pw-TDI) parameters, there are two different pw-TDI velocities (IVRa and IVRb) after systolic velocity, but before Ea velocity. In our study, we investigated the clinical importance of these two velocities in left ventricular diastolic dysfunction (LVDDF) evaluation. Methods: One hundred and eighty cases without exclusion criteria were included in the study. Cases with a transmitral E to A flow (E/A) ratio below 1 were assigned to group 2. In cases with an E/A ratio between 1 and 2, the pw-TDI parameters were taken into consideration. Cases with an Ea/Aa ratio above 1 were assigned to group 1 and cases with an Ea/Aa ratio 1 or below than 1 were assigned to group 3. Group 1 (n: 68) represented normal diastolic left ventricular (LV) inflow while group 2 (n = 87) represented impaired relaxation and group 3 (n = 25) represented pseudonormal LV inflow. Results: In our study, we found that IVRa velocity was lower in group 1 compared to group 2 and group 3 (P < 0.001 and P = 0.038, respectively). Similarly, this velocity was significantly different in group 3 and group 2 such as it was higher in group 2 compared to group 3 (P = 0.022). There was no difference in IVRb velocity and IVRa/IVRb ratio among the groups. A negative correlation was found between IVRa velocity and Ea velocity (r = 44%, P < 0.001). Positive correlation was found between IVRa velocity and isovolumetric relaxation time (r = 18%, P = 0.014) and also between IVRa velocity and Aa velocity (r = 19%; P = 0.010). Conclusion: Based on the results of our study, we concluded that IVRa velocity is an important pw-TDI parameter in the evaluation of LVDDF, especially in differentiating pseudonormal LVDDF type from normal LV inflow. (ECHOCARDIOGRAPHY, Volume 26, January 2009).en_US
dc.identifier.doi10.1111/j.1540-8175.2008.00749.x
dc.identifier.endpage27en_US
dc.identifier.issn0742-2822
dc.identifier.issn1540-8175
dc.identifier.issue1en_US
dc.identifier.pmid19125806en_US
dc.identifier.scopus2-s2.0-58149204423en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage21en_US
dc.identifier.urihttps://doi.org/10.1111/j.1540-8175.2008.00749.x
dc.identifier.urihttps://hdl.handle.net/20.500.14551/22095
dc.identifier.volume26en_US
dc.identifier.wosWOS:000262047600004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofEchocardiography-A Journal Of Cardiovascular Ultrasound And Allied Techniquesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLeft Ventricular Diastolic Dysfunctionen_US
dc.subjectPositive Isovolumetric Relaxation Velocity Of Pulsed-Wave Tissue Doppler Imagingen_US
dc.subjectVentricular Diastolic Functionen_US
dc.subjectFlow Propagation Velocityen_US
dc.subjectPulmonary Venous Flowen_US
dc.subjectMyocardial Performance Indexen_US
dc.subjectCapillary Wedge Pressureen_US
dc.subjectFilling Pressuresen_US
dc.subjectHeart-Failureen_US
dc.subjectNoninvasive Assessmenten_US
dc.subjectAtrial-Fibrillationen_US
dc.subjectEchocardiographyen_US
dc.titleClinical Significance of Positive Isovolumetric Relaxation Velocity of Pulsed-Wave Tissue Doppler Imagingen_US
dc.typeArticleen_US

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