{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T11:20:43Z","timestamp":1785237643453,"version":"3.55.0"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,6,30]],"date-time":"2014-06-30T00:00:00Z","timestamp":1404086400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Physio Funct Imaging"],"published-print":{"date-parts":[[2015,11]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Estimation of left ventricular ejection fraction (<jats:styled-content style=\"fixed-case\">LVEF<\/jats:styled-content>) with 99<jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content>c\u2010<jats:styled-content style=\"fixed-case\">HSA<\/jats:styled-content> equilibrium radionuclide angiography (<jats:styled-content style=\"fixed-case\">RA<\/jats:styled-content>) is frequently used for assessing cardiac function. The purpose of this study was to investigate the interstudy repeatability of left (<jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content>) and right (<jats:styled-content style=\"fixed-case\">RV<\/jats:styled-content>) ventricular volume and ejection fraction estimations, using a cadmium\u2010zinc\u2010telluride (<jats:styled-content style=\"fixed-case\">CZT<\/jats:styled-content>) <jats:styled-content style=\"fixed-case\">SPECT<\/jats:styled-content> camera.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Forty\u2010six patients were scanned twice, interrupted by repositioning. Each acquisition was analysed twice by two experienced technologists. Interstudy and interobserver variations were calculated as the coefficient of variation (<jats:styled-content style=\"fixed-case\">CV<\/jats:styled-content>) and the 95% confidence interval (<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>) for limits of agreement (<jats:styled-content style=\"fixed-case\">LOA<\/jats:styled-content>) between each sequence of analyses for each of the two acquisitions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The Interstudy variations and 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> for <jats:styled-content style=\"fixed-case\">LVEF<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\"> LV<\/jats:styled-content> end systolic (<jats:styled-content style=\"fixed-case\">LVESV<\/jats:styled-content>) and end diastolic (<jats:styled-content style=\"fixed-case\">LVEDV<\/jats:styled-content>) volumes were 4\u00b76% (\u22125\u00b74 to 6\u00b74), 9\u00b73% (\u22126\u00b790 to 5\u00b720) and 7\u00b70% (\u221213\u00b79 to 11\u00b71), respectively. For the right ventricle, the corresponding values were 11\u00b79% (\u22129\u00b740 to 10\u00b78), 9\u00b78% (\u221214\u00b79 to 10\u00b78) and 8\u00b71% (\u221220\u00b77 to 16\u00b73).<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>The <jats:styled-content style=\"fixed-case\">CZT<\/jats:styled-content> detector camera has excellent reproducibility with regard to interstudy variation when assessing <jats:styled-content style=\"fixed-case\">LV<\/jats:styled-content> volumes and <jats:styled-content style=\"fixed-case\">EF<\/jats:styled-content>. Interstudy variation is considerably higher for <jats:styled-content style=\"fixed-case\">RV<\/jats:styled-content> volumes and <jats:styled-content style=\"fixed-case\">EF<\/jats:styled-content>, indicating a lack of consistency in tracing the boarders of the right ventricle.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cpf.12178","type":"journal-article","created":{"date-parts":[[2014,7,2]],"date-time":"2014-07-02T03:22:46Z","timestamp":1404271366000},"page":"418-424","source":"Crossref","is-referenced-by-count":22,"title":["Interstudy repeatability of left and right ventricular volume estimations by serial\u2010gated tomographic radionuclide angiographies using a cadmium\u2010zinc\u2010telluride detector gamma camera"],"prefix":"10.1111","volume":"35","author":[{"given":"Maria M.","family":"Jensen","sequence":"first","affiliation":[{"name":"Department of Clinical Physiology and Nuclear Medicine Herlev Hospital Herlev Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine","family":"Haase","sequence":"additional","affiliation":[{"name":"Department of Clinical Physiology and Nuclear Medicine Herlev Hospital Herlev Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Zerahn","sequence":"additional","affiliation":[{"name":"Department of Clinical Physiology and Nuclear Medicine Herlev Hospital Herlev 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