Abstract
Takotsubo syndrome, also called apical ballooning syndrome, is a clinical entity characterized by transient hypokinesis, akinesis, or dyskinesis of the left ventricular mid-segments with or without apical involvement, and without obstructive coronary lesions. The contemporary presence of left ventricular outflow tract obstruction (LVOTO), systolic anterior motion of the anterior mitral leaflet, and acute mitral regurgitation might explain the worsening of the heart failure or the occurrence of cardiogenic shock in some patients with apical ballooning syndrome. The use of beta-blockers should improve the LVOTO gradient by reducing basal hypercontractility, increasing left ventricular filling and size, and reducing heart rate. However, clear evidence of the direct haemodynamic effects of beta-blockers is still lacking. We present a case of apical ballooning syndrome complicated by dynamic LVOTO, treated with metoprolol.
References
Dec 25, 2002·Circulation Journal : Official Journal of the Japanese Circulation Society·Michifumi KyumaKazuaki Shimamoto
Aug 1, 2007·Circulation·Anand ChockalingamKevin C Dellsperger
Feb 26, 2008·American Heart Journal·Abhiram PrasadCharanjit S Rihal
Feb 26, 2008·American Heart Journal·Takuji YoshiokaKazuaki Shimamoto
Sep 2, 2008·American Heart Journal·Rami El MahmoudOlivier Dubourg
Citations
Oct 16, 2012·BMJ Open·Luca CacciottiGerardo Ansalone
Jan 1, 2013·Global Cardiology Science & Practice·Veronica SpadottoMartina Perazzolo Marra
Apr 15, 2014·Clínica e investigación en arteriosclerosis : publicación oficial de la Sociedad Española de Arteriosclerosis·Efrén Martínez-QuintanaFayna Rodríguez-González
Dec 3, 2014·International Journal of Cardiology·Marion AngueEric Braunberger
Apr 9, 2013·Heart Failure Clinics·Matthew H TranterAlexander R Lyon
Mar 27, 2012·Clinical Cardiology·Amruth R PallaMark K Warshofsky
May 8, 2013·International Journal of Cardiology·Federico MiglioreGiuseppe Tarantini
Feb 4, 2014·International Journal of Cardiology·John E Madias
Oct 20, 2012·Journal of cardiology·Satoshi Kurisu, Yasuki Kihara
Mar 8, 2016·Cardiovascular Therapeutics·Francesco SantoroNatale Daniele Brunetti
Aug 20, 2016·Future Cardiology·Natale Daniele BrunettiMatteo Di Biase
Sep 18, 2016·Heart Failure Clinics·Elmir Omerovic
Jul 18, 2016·International Journal of Cardiology·Petr A Sarapultsev, Alexey P Sarapultsev
Jan 15, 2020·European Cardiology·Chiara Di FilippoCarlo Di Mario
Mar 16, 2019·Journal of General and Family Medicine·Takuro TakamaMasato Taniuchi
May 20, 2020·Frontiers in Neurology·Tao WangXin Qu
Mar 24, 2018·Current Neurology and Neuroscience Reports·M RanieriA Bersano
Sep 17, 2017·Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society·Shams Y-Hassan, Per Tornvall
Oct 28, 2011·Clinical Cardiology·Bong Gun SongJae K Oh
Aug 8, 2021·Journal of Clinical Medicine·John E Madias