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dc.contributor.author신길자-
dc.date.accessioned2017-08-29T05:36:13Z-
dc.date.available2017-08-29T05:36:13Z-
dc.date.issued2016-
dc.identifier.issn1975-4612-
dc.identifier.otherOAK-20120-
dc.identifier.urihttp://dspace.ewha.ac.kr/handle/2015.oak/234549-
dc.description.abstractBackground: It is important to understand the distribution of 2-dimensional strain values in normal population. We performed a multicenter trial to measure normal echocardiographic values in the Korean population. Methods: This was a substudy of the Normal echOcardiogRaphic Measurements in KoreAn popuLation (NORMAL) study. Echocardiographic specialists measured frequently used echocardiographic indices in healthy people according to a standardized method at 23 different university hospitals. The strain values were analyzed from digitally stored images. Results: Of a total of 1003 healthy participants in NORMAL study, 2-dimensional strain values were measured in 501 subjects (265 females, mean age 47 ± 15 years old) with echocardiographic images only by GE echocardiographic machines. Interventricular septal thickness, left ventricular (LV) posterior wall thickness, systolic and diastolic LV dimensions, and LV ejection fraction were 7.5 ± 1.0 mm, 7.4 ± 1.0 mm, 29.9 ± 2.8 mm, 48.9 ± 3.6 mm, and 62 ± 4%, respectively. LV longitudinal systolic strain (LS) values of apical 4-chamber (A4C) view, apical 3-chamber (A3C) view, apical 2-chamber (A2C) view, and LV global LS (LVGLS) were -20.1 ± 2.3, -19.9 ± 2.7, -21.2 ± 2.6, and -20.4 ± 2.2%, respectively. LV longitudinal systolic strain rate (LVLSR) values of the A4C view, A3C view, A2C view, and LV global LSR (LVGLSR) were -1.18 ± 0.18, -1.20 ± 0.21, -1.25 ± 0.21, and -1.21 ± 0.21-s, respectively. Females had lower LVGLS (-21.2 ± 2.2% vs. -19.5 ± 1.9%, p < 0.001) and LVGLSR (-1.25 ± 0.18-s vs. -1.17 ± 0.15-s, p < 0.001) values than males. Conclusion: We measured LV longitudinal strain and strain rate values in the normal Korean population. Since considerable gender differences were observed, normal echocardiographic cutoff values should be differentially applied based on sex. © 2016 Korean Society of Echocardiography.-
dc.languageEnglish-
dc.publisherKorean Society of Echocardiography-
dc.subjectEchocardiography-
dc.subjectNormal population-
dc.subjectReference value-
dc.subjectStrain-
dc.titleNormal 2-dimensional strain values of the left ventricle: A substudy of the normal echocardiographic measurements in Korean population study-
dc.typeArticle-
dc.relation.issue4-
dc.relation.volume24-
dc.relation.indexSCOPUS-
dc.relation.indexKCI-
dc.relation.startpage285-
dc.relation.lastpage293-
dc.relation.journaltitleJournal of Cardiovascular Ultrasound-
dc.identifier.doi10.4250/jcu.2016.24.4.285-
dc.identifier.scopusid2-s2.0-85007574690-
dc.author.googlePark J.-H.-
dc.author.googleLee J.-H.-
dc.author.googleLee S.Y.-
dc.author.googleChoi J.-O.-
dc.author.googleShin M.-S.-
dc.author.googleKim M.-J.-
dc.author.googleJung H.O.-
dc.author.googlePark J.R.-
dc.author.googleSohn I.S.-
dc.author.googleKim H.-
dc.author.googlePark S.-M.-
dc.author.googleYo N.J.-
dc.author.googleCho J.H.-
dc.author.googleKim H.-K.-
dc.author.googleCho G.-Y.-
dc.author.googleLee M.-R.-
dc.author.googlePark J.-S.-
dc.author.googleShim C.Y.-
dc.author.googleKim D.-H.-
dc.author.googleShin D.-H.-
dc.author.googleShin G.J.-
dc.author.googleShin S.H.-
dc.author.googleKim K.H.-
dc.author.googleKim W.-S.-
dc.author.googlePark S.W.-
dc.contributor.scopusid신길자(7005722647)-
dc.date.modifydate20190301081000-
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