{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T16:45:53Z","timestamp":1745426753397},"reference-count":28,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2015,6,29]],"date-time":"2015-06-29T00:00:00Z","timestamp":1435536000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Two\u2010dimensional speckle tracking (2<jats:styled-content style=\"fixed-case\">DST<\/jats:styled-content>) stress echocardiography detects postischemic myocardial diastolic stunning. However, the use of 2<jats:styled-content style=\"fixed-case\">DST<\/jats:styled-content> at rest for detecting diastolic stunning in ischemia is unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Thirty\u2010nine patients (age\u00a0=\u00a065\u00a0\u00b1\u00a012\u00a0years; male\/female\u00a0=\u00a034\/5) with effort angina pectoris that was confirmed by stress myocardial perfusion scintigraphy were enrolled. Ischemic area (I) was determined in the middle <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> short axial view using stress myocardial scintigraphy. The area opposite to it was defined as nonischemic area (non\u2010I). Midventricular parasternal short\u2010axis (<jats:styled-content style=\"fixed-case\">SAX<\/jats:styled-content>) radial strains were estimated using 2<jats:styled-content style=\"fixed-case\">DST<\/jats:styled-content> at rest on the following day. <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> diastolic function was evaluated using diastolic index (<jats:styled-content style=\"fixed-case\">DI<\/jats:styled-content>, changes in the regional <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> radial strain during diastole) and radial strain rate (<jats:styled-content style=\"fixed-case\">SR<\/jats:styled-content>) during early diastolic period. These parameters were compared between I and non\u2010I before and 1\u00a0month after percutaneous coronary intervention (<jats:styled-content style=\"fixed-case\">PCI<\/jats:styled-content>) in the I of 3 coronary vessels. For the I, the <jats:styled-content style=\"fixed-case\">DI<\/jats:styled-content> was lower (38\u00a0\u00b1\u00a027 vs. 55\u00a0\u00b1\u00a027; P\u00a0<jats:italic>=<\/jats:italic>\u00a00.003) and <jats:styled-content style=\"fixed-case\">SR<\/jats:styled-content> was higher (\u22121.6\u00a0\u00b1\u00a00.6 vs. \u22121.9\u00a0\u00b1\u00a00.8; P\u00a0=\u00a00.007) than in non\u2010I before <jats:styled-content style=\"fixed-case\">PCI<\/jats:styled-content>. One\u00a0month after <jats:styled-content style=\"fixed-case\">PCI<\/jats:styled-content>, the <jats:styled-content style=\"fixed-case\">DI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SR<\/jats:styled-content> recovered to 53\u00a0\u00b1\u00a027 (P\u00a0=\u00a00.008) and \u22122.1\u00a0\u00b1\u00a00.8 (P\u00a0=\u00a00.006), respectively. Furthermore, the <jats:styled-content style=\"fixed-case\">DI<\/jats:styled-content> of the <jats:styled-content style=\"fixed-case\">LAD<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">LCX<\/jats:styled-content> significantly improved (P\u00a0=\u00a00.0004 and 0.002, respectively); the <jats:styled-content style=\"fixed-case\">RCA<\/jats:styled-content> area showed tendency to improve (P\u00a0=\u00a00.092), and the <jats:styled-content style=\"fixed-case\">SR<\/jats:styled-content> also improved (P\u00a0&lt;\u00a00.05) in all areas after <jats:styled-content style=\"fixed-case\">PCI<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Diastolic stunning in ischemic areas can be detected using 2<jats:styled-content style=\"fixed-case\">DST<\/jats:styled-content> at rest and recover 1\u00a0month after <jats:styled-content style=\"fixed-case\">PCI<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.12999","type":"journal-article","created":{"date-parts":[[2015,6,29]],"date-time":"2015-06-29T12:43:00Z","timestamp":1435581780000},"page":"30-37","source":"Crossref","is-referenced-by-count":2,"title":["Diastolic Stunning as a Marker of Severe Coronary Artery Stenosis: Analysis by Speckle Tracking Radial Strain in the Resting Echocardiogram"],"prefix":"10.1111","volume":"33","author":[{"given":"Hiroyo","family":"Kaseno","sequence":"first","affiliation":[{"name":"Division of Cardiology Gunma Prefectural Cardiovascular Center Maebashi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takuji","family":"Toyama","sequence":"additional","affiliation":[{"name":"Division of Cardiology Gunma Prefectural Cardiovascular Center Maebashi 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