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024 7 _ |a 10.1007/s12350-019-01830-9
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024 7 _ |a 1071-3581
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024 7 _ |a 1532-6551
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037 _ _ |a DKFZ-2019-01971
041 _ _ |a eng
082 _ _ |a 610
100 1 _ |a Sachpekidis, Christos
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245 _ _ |a Equilibrium radionuclide angiography: Intra- and inter-observer repeatability and reproducibility in the assessment of cardiac systolic and diastolic function.
260 _ _ |a New York, NY
|c 2021
|b Springer
336 7 _ |a article
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500 _ _ |a 2021 Aug;28(4):1304-1314
520 _ _ |a This study aimed to assess intra- and inter-observer agreement in assessing the systolic and diastolic function with equilibrium radionuclide angiography (ERNA).Thirty-two adults underwent baseline and repeat ERNA. An experienced and a trainee operator analyzed the data by assigning regions of interest manually, fully automatically, and semi-automatically. The Bland-Altman statistic (mean ± 1.96 standard deviations of the differences) was used to assess the repeatability (two different assessments of a single acquisition) and reproducibility (assessments of two different acquisitions).Using the semi-automated technique the intraobserver repeatability and reproducibility of left ventricular ejection fraction for the experienced physician were - 0.1 ± 3.7 and 0.0 ± 3.8 and for the trainee 2.2 ± 10.6 and 1.9 ± 8.4, respectively. The inter-observer repeatability and reproducibility were - 1.8 ± 6.4 and 0.4 ± 9.0, respectively. Among the parameters of diastolic function, the intraobserver repeatability and reproducibility of the peak filling rate for the experienced physician were - 0.0 ± 1.1 and - 0.1 ± 1.1 and for the trainee 0.2 ± 3.5 and 0.4 ± 3.7, respectively. The inter-observer repeatability and reproducibility were 0.3 ± 1.5 and 0.5 ± 4.0, respectively. Similar was the pattern for the other diastolic indices. In all cases the limits of agreement varied according to the quantification approach.A good repeatability but a moderate reproducibility was found in the assessment of the LVEF. Less good were the findings in the assessment of diastolic function.
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700 1 _ |a Sachpekidis, Vasileios
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700 1 _ |a Kopp-Schneider, Annette
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700 1 _ |a Arsos, George
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700 1 _ |a Moralidis, Efstratios
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773 _ _ |a 10.1007/s12350-019-01830-9
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|p 1304-1314
|t Journal of nuclear cardiology
|v 28
|y 2021
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909 C O |p VDB
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910 1 _ |a Deutsches Krebsforschungszentrum
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914 1 _ |y 2021
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