Cited by 604Cardiovascular Function and Risk FactorsCardiac Imaging and DiagnosticsCardiac pacing and defibrillation studies

The DOI matches its Crossref record; 83 of the 83 references it cites were found in a registry or an index.

Twist Mechanics of the Left Ventricle

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Abstract

Left ventricular (LV) twist or torsion represents the mean longitudinal gradient of the net difference in clockwise and counterclockwise rotation of the LV apex and base, as viewed from LV apex. Twist during ejection predominantly deforms the subendocardial fiber matrix, resulting in storage of potential energy. Subsequent recoil of twist deformation is associated with the release of restoring forces, which contributes to LV diastolic relaxation and early diastolic filling. Noninvasive techniques such as magnetic resonance imaging and echocardiography are useful for understanding LV twist dynamics in clinical settings, and data regarding their relative merits and pitfalls are rapidly accumulating. This review is a focused update on the current and evolving applications of LV twist mechanics in clinical cardiology. First, the theoretical framework for understanding the physiological sequence of LV twist during a cardiac cycle is presented. Second, variations in LV twist encountered in different experimental and clinical situations are discussed. Finally, the review presents an algorithm for routine application of LV twist in clinical differentiation of patterns of LV dysfunction encountered in day-to-day practice.

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Crossref · 10.1016/j.jcmg.2008.02.006

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Metadata

Authors
Sengupta, P. P., Tajik, A. J., Chandrasekaran, K., & Khandheria, B. K.
Affiliations
Mayo Clinic in Arizona (US)
Corresponding author
Sengupta, Partho P.
Venue
JACC: Cardiovascular Imaging
Publisher
Elsevier BV
Published
2008-05
Volume
1
Issue
3
Pages
366-376
ISSN
  • 1876-7591 (ISSN-L)
  • 1936-878X
OpenAlex
W1495679923
Cited by
604
References
83
Citations by year
2026: 19 · 2025: 23 · 2024: 42 · 2023: 32 · 2022: 29 · 2021: 34 · 2020: 30 · 2019: 42 · 2018: 36 · 2017: 51 · 2016: 30 · 2015: 37 · 2014: 40 · 2013: 47 · 2012: 45
FWCI
3.33
Type
journal article
Language
en
Open access
Locations
  • JACC. Cardiovascular imaging (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Function and Risk Factors
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Cardiac Imaging and Diagnostics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac pacing and defibrillation studies
Keywords
left ventricular torsion, left ventricular mechanics, diastolic relaxation, early diastolic filling, cardiac cycle, left ventricular dysfunction, echocardiography, magnetic resonance imaging
MeSH terms
Algorithms, Animals, Biomechanical Phenomena, Diagnostic Imaging, Elasticity, Humans, Myocardial Contraction, Predictive Value of Tests, Risk Factors, Rotation, Stress, Mechanical, Stroke Volume, Ventricular Function, Left, Ventricular Dysfunction, Left, Torsion, Mechanical

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