AIMS: The study aimed to compare the inter-observer reproducibility of new and traditional measurements of the left ventricular (LV) global and regional function. METHODS AND RESULTS: Two experienced echocardiographers performed 20 complete echo/Doppler examinations and 50 analyses on ten healthy subjects. All recordings were analysed for systolic and diastolic conventional and deformation measurements by both echocardiographers. Inter-observer mean error (absolute difference divided by the mean) was 4% and lowest (P = 0.001) for systolic M-mode annulus excursion. Mean error for the regional deformation indices was significantly higher than for all the global measurements (all P < 0.001). Mean error for analyses of the same recording was 34% (P = 0.002) lower for global systolic indices and 44% (P < 0.001) lower for global diastolic indices than inter-observer mean error for analyses made in separate recordings. CONCLUSION: Systolic M-mode annulus excursion showed better inter-observer reproducibility than other traditional and newer measurements of LV systolic and diastolic function. Repeated analyses of the same recordings underestimate the more clinically relevant inter-observer reproducibility by approximately 40% for most measurements of LV function.
AIMS: The study aimed to compare the inter-observer reproducibility of new and traditional measurements of the left ventricular (LV) global and regional function. METHODS AND RESULTS: Two experienced echocardiographers performed 20 complete echo/Doppler examinations and 50 analyses on ten healthy subjects. All recordings were analysed for systolic and diastolic conventional and deformation measurements by both echocardiographers. Inter-observer mean error (absolute difference divided by the mean) was 4% and lowest (P = 0.001) for systolic M-mode annulus excursion. Mean error for the regional deformation indices was significantly higher than for all the global measurements (all P < 0.001). Mean error for analyses of the same recording was 34% (P = 0.002) lower for global systolic indices and 44% (P < 0.001) lower for global diastolic indices than inter-observer mean error for analyses made in separate recordings. CONCLUSION: Systolic M-mode annulus excursion showed better inter-observer reproducibility than other traditional and newer measurements of LV systolic and diastolic function. Repeated analyses of the same recordings underestimate the more clinically relevant inter-observer reproducibility by approximately 40% for most measurements of LV function.
Authors: William Eysenck; Jet van Zalen; Nick Freemantle; Guy Lloyd; Stephen Furniss; Neil Sulke Journal: J Clin Hypertens (Greenwich) Date: 2019-07-26 Impact factor: 3.738
Authors: James P Howard; Catherine C Stowell; Graham D Cole; Kajaluxy Ananthan; Camelia D Demetrescu; Keith Pearce; Ronak Rajani; Jobanpreet Sehmi; Kavitha Vimalesvaran; G Sunthar Kanaganayagam; Eleanor McPhail; Arjun K Ghosh; John B Chambers; Amar P Singh; Massoud Zolgharni; Bushra Rana; Darrel P Francis; Matthew J Shun-Shin Journal: Circ Cardiovasc Imaging Date: 2021-05-17 Impact factor: 7.792
Authors: Ole Christian Mjølstad; Sten Roar Snare; Lasse Folkvord; Frode Helland; Anders Grimsmo; Hans Torp; Olav Haraldseth; Bjørn Olav Haugen Journal: Fam Pract Date: 2012-02-14 Impact factor: 2.267
Authors: Renate B Schnabel; Stephan Camen; Fabian Knebel; Andreas Hagendorff; Udo Bavendiek; Michael Böhm; Wolfram Doehner; Matthias Endres; Klaus Gröschel; Andreas Goette; Hagen B Huttner; Christoph Jensen; Paulus Kirchhof; Grigorios Korosoglou; Ulrich Laufs; Jan Liman; Caroline Morbach; Darius Günther Nabavi; Tobias Neumann-Haefelin; Waltraud Pfeilschifter; Sven Poli; Timolaos Rizos; Andreas Rolf; Joachim Röther; Wolf Rüdiger Schäbitz; Thorsten Steiner; Götz Thomalla; Rolf Wachter; Karl Georg Haeusler Journal: Clin Res Cardiol Date: 2021-06-18 Impact factor: 5.460