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Dynamic Left Ventricular Outflow Tract Obstruction: Clinical and Echocardiographic Risk Factor Association in Critically Ill Patients

Mayank K Mittal 1 , Youngju Pak 2 , Kevin C Dellsperger 3 and Anand Chockalingam 1 , *
Authors Information
1 Division of Cardiovascular Medicine, Department of Medicine, University of Missouri-Columbia, Missouri, United States
2 Department of Biostatistics, UCLA Clinical and Translational Science Institute, Torrance, CA, United States
3 Georgia Regents Health System, Augusta, GA, United States
Article information
  • Research in Cardiovascular Medicine: , In Press (In Press); e35012
  • Published Online: August 6, 2016
  • Article Type: Research Article
  • Received: November 28, 2015
  • Revised: April 26, 2016
  • Accepted: May 25, 2016
  • DOI: 10.5812/cardiovascmed.35012

To Cite: Mittal M K, Pak Y, Dellsperger K C, Chockalingam A. Dynamic Left Ventricular Outflow Tract Obstruction: Clinical and Echocardiographic Risk Factor Association in Critically Ill Patients, Res Cardiovasc Med. Online ahead of Print ;In Press(In Press):e35012. doi: 10.5812/cardiovascmed.35012.

Copyright: Copyright © 2016, Research in Cardiovascular Medicine. .
1. Background
2. Objectives
3. Methods
4. Results
5. Discussion
  • 1. Chockalingam A, Dorairajan S, Bhalla M, Dellsperger KC. Unexplained hypotension: the spectrum of dynamic left ventricular outflow tract obstruction in critical care settings. Crit Care Med. 2009; 37(2): 729-34[DOI][PubMed]
  • 2. Tafur E, Cohen LS, Levine HD. The Apex Cardiogram in Left Ventricular Outflow Tract Obstruction. Circulation. 1964; 30: 392-9[PubMed]
  • 3. Maron MS, Olivotto I, Betocchi S, Casey SA, Lesser JR, Losi MA, et al. Effect of left ventricular outflow tract obstruction on clinical outcome in hypertrophic cardiomyopathy. N Engl J Med. 2003; 348(4): 295-303[DOI][PubMed]
  • 4. Maron MS, Olivotto I, Zenovich AG, Link MS, Pandian NG, Kuvin JT, et al. Hypertrophic cardiomyopathy is predominantly a disease of left ventricular outflow tract obstruction. Circulation. 2006; 114(21): 2232-9[DOI][PubMed]
  • 5. Hrovatin E, Piazza R, Pavan D, Mimo R, Macor F, Dall'Aglio V, et al. Dynamic left ventricular outflow tract obstruction in the setting of acute anterior myocardial infarction: a serious and potentially fatal complication? Echocardiography. 2002; 19(6): 449-55[PubMed]
  • 6. El Mahmoud R, Mansencal N, Pilliere R, Leyer F, Abbou N, Michaud P, et al. Prevalence and characteristics of left ventricular outflow tract obstruction in Tako-Tsubo syndrome. Am Heart J. 2008; 156(3): 543-8[DOI][PubMed]
  • 7. Dimitrow PP, Bober M, Michalowska J, Sorysz D. Left ventricular outflow tract gradient provoked by upright position or exercise in treated patients with hypertrophic cardiomyopathy without obstruction at rest. Echocardiography. 2009; 26(5): 513-20[PubMed]
  • 8. Chockalingam A, Tejwani L, Aggarwal K, Dellsperger KC. Dynamic left ventricular outflow tract obstruction in acute myocardial infarction with shock: cause, effect, and coincidence. Circulation. 2007; 116(5)-3[DOI][PubMed]
  • 9. Chockalingam A, Xie GY, Dellsperger KC. Echocardiography in stress cardiomyopathy and acute LVOT obstruction. Int J Cardiovasc Imaging. 2010; 26(5): 527-35[DOI][PubMed]
  • 10. Pellikka PA, Oh JK, Bailey KR, Nichols BA, Monahan KH, Tajik AJ. Dynamic intraventricular obstruction during dobutamine stress echocardiography. A new observation. Circulation. 1992; 86(5): 1429-32[PubMed]
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