Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics

Bogunovic N, van Buuren F, Esdorn H, Horstkotte D, Bogunovic L, Faber L (2018)
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES 35(12): 1947-1955.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Bogunovic, Nikola; van Buuren, Frank; Esdorn, Hermann; Horstkotte, Dieter; Bogunovic, LukasUniBi; Faber, Lothar
Abstract / Bemerkung
Objective: We investigated physiological systolic left ventricular (LV) myocardial mechanics and gradients to provide a database for later studies of diseased hearts. Methods: The analyses were performed in 131 heart-healthy individuals and included seven parameters of myocardial mechanics using speckle tracking echocardiography (STE). Results: Basal to apical and circumferentially significant physiological intraventricular parameter gradients of myocardial activity were determined. Global mean values and segmental ranges were peak systolic longitudinal strain -21.2 +/- 3.3%, 95% confidence interval [CI] -21.8% to -20.6%), gradient (basal to apical) -16.0% to -26.7%; peak systolic longitudinal strain rate -1.24 +/- 0.31%/s, 95% CI -1.29% to -1.19%/s, gradient (basal to apical) -0.91% to -1.61%/s; post-systolic index 2.6 +/- 3.2%, 95% CI 3.15%-2.05%, gradient (basal/medial/apical) 7.0/1.2/2.4%; pre-systolic stretch index 1.3 +/- 2.7%, 95% CI 1.77%-0.83%, gradient (basal/medial/apical) 6.5/0.2/1.3%; peak longitudinal displacement 12.2 +/- 2.6 mm, 95% CI 12.6-11.8 mm, gradient (basal to apical) 21.0-3.4 mm; time-to-peak longitudinal strain 370 +/- 43 ms, 95% CI 377-363 ms, gradient (basal to apical) 396-361 ms; and time-to-peak longitudinal strain rate 180 +/- 47 ms, 95% CI 188-172 ms, gradient (basal to apical) 150-200 ms. Conclusion: This study generated a database of seven STE-derived parameters of physiological segmental and global myocardial LV mechanics. The resulting sets of three-dimensional intraventricular mappings of the entire LV provide physiological parameter gradients in baso-apical and circumferential direction by applying the 17-segment polar model. This will facilitate comparison of systolic myocardial activity of the healthy LV with diseased or otherwise altered (eg, sports) hearts.
Erscheinungsjahr
2018
Zeitschriftentitel
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES
Band
35
Ausgabe
12
Seite(n)
1947-1955
ISSN
0742-2822
eISSN
1540-8175
Page URI
https://pub.uni-bielefeld.de/record/2932976

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Bogunovic N, van Buuren F, Esdorn H, Horstkotte D, Bogunovic L, Faber L. Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES. 2018;35(12):1947-1955.
Bogunovic, N., van Buuren, F., Esdorn, H., Horstkotte, D., Bogunovic, L., & Faber, L. (2018). Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES, 35(12), 1947-1955. doi:10.1111/echo.14191
Bogunovic, N., van Buuren, F., Esdorn, H., Horstkotte, D., Bogunovic, L., and Faber, L. (2018). Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES 35, 1947-1955.
Bogunovic, N., et al., 2018. Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES, 35(12), p 1947-1955.
N. Bogunovic, et al., “Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics”, ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES, vol. 35, 2018, pp. 1947-1955.
Bogunovic, N., van Buuren, F., Esdorn, H., Horstkotte, D., Bogunovic, L., Faber, L.: Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES. 35, 1947-1955 (2018).
Bogunovic, Nikola, van Buuren, Frank, Esdorn, Hermann, Horstkotte, Dieter, Bogunovic, Lukas, and Faber, Lothar. “Physiological left ventricular segmental myocardial mechanics: Multi-parametric polar mapping to determine intraventricular gradients of myocardial dynamics”. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES 35.12 (2018): 1947-1955.

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