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Clarification on the role of LV untwisting in LV “relaxation” and diastolic filling

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References

  1. Maufrais C, Doucende G, Rupp T, Dauzat M, Obert P, Nottin S, Schuster I (2017) Left ventricles of aging athletes: better untwisters but not more relaxed during exercise. Clin Res Cardiol. doi:10.1007/s00392-017-1133-y

    PubMed  Google Scholar 

  2. Stöhr EJ, Shave RE, Baggish AL, Weiner RB (2016) Left ventricular twist mechanics in the context of normal physiology and cardiovascular disease: a review of studies using speckle tracking echocardiography. Am J Physiol Heart Circ Physiol 311(3):H633–H644

    Article  PubMed  Google Scholar 

  3. Wilkenshoff UM, Sovany A, Wigstrom L, Olstad B, Lindstrom L, Engvall J et al (1998) Regional mean systolic myocardial velocity estimation by real-time color Doppler myocardial imaging: a new technique for quantifying regional systolic function. J Am Soc Echocardiogr 11(7):683–692

    Article  CAS  PubMed  Google Scholar 

  4. Stöhr EJ, Stembridge M, Esformes JI (2015) In vivo human cardiac shortening and lengthening velocity is region-dependent and not coupled with heart rate: ‘longitudinal’ strain rate markedly underestimates apical contribution. Exp Physiol 100(5):507–518

    Article  PubMed  Google Scholar 

  5. Opdahl A, Remme EW, Helle-Valle T, Edvardsen T, Smiseth OA (2012) Myocardial relaxation, restoring forces, and early-diastolic load are independent determinants of left ventricular untwisting rate. Circulation 126:1441–1451

    Article  PubMed  Google Scholar 

  6. Rademakers FE, Buchalter MB, Rogers WJ, Zerhouni EA, Weisfeldt ML, Weiss JL et al (1992) Dissociation between left ventricular untwisting and filling. Accentuation by catecholamines. Circulation 85(4):1572–1581

    Article  CAS  PubMed  Google Scholar 

  7. Notomi Y, Popovic ZB, Yamada H, Wallick DW, Martin MG, Oryszak SJ et al (2008) Ventricular untwisting: a temporal link between left ventricular relaxation and suction. Am J Physiol Heart Circ Physiol 294(1):H505–H513

    Article  CAS  PubMed  Google Scholar 

  8. Dong SJ, Hees PS, Siu CO, Weiss JL, Shapiro EP (2001) MRI assessment of LV relaxation by untwisting rate: a new isovolumic phase measure of tau. Am J Physiol Heart Circ Physiol. 281(5):H2002–H2009

    CAS  PubMed  Google Scholar 

  9. Pasipoularides A (2011) LV twisting and untwisting in HCM: ejection begets filling. Diastolic functional aspects of HCM. Am Heart J 162(5):798–810

    Article  PubMed  Google Scholar 

  10. Stöhr EJ, González-Alonso J, Shave R (2011) Left ventricular mechanical limitations to stroke volume in healthy humans during incremental exercise. Am J Physiol Heart Circ Physiol 301(2):H478–H487

    Article  PubMed  Google Scholar 

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Correspondence to Eric J. Stöhr.

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Samuel, T.J., Stöhr, E.J. Clarification on the role of LV untwisting in LV “relaxation” and diastolic filling. Clin Res Cardiol 106, 935–937 (2017). https://doi.org/10.1007/s00392-017-1143-9

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