Comment on

• Minimally invasive intraoperative estimation of left-ventricular end-systolic elastance with phenylephrine as loading intervention.

  Boly CA, Reesink KD, van den Tol MP, Jansen EK, Westerhof BE, Boer C, Bouwman RA. Boly CA, et al. Br J Anaesth. 2013 Nov;111(5):750-8. doi: 10.1093/bja/aet230. Epub 2013 Jul 9. Br J Anaesth. 2013. PMID: 23838806
• Perioperative non-invasive estimation of left ventricular elastance (Ees) is no longer a challenge; it is a reality.

  Bertini P, Baldassarri R, Simone V, Amitrano D, Cariello C, Guarracino F. Bertini P, et al. Br J Anaesth. 2014 Mar;112(3):578. doi: 10.1093/bja/aeu023. Br J Anaesth. 2014. PMID: 24535511 No abstract available.