Mechanical dispersion is associated with poor outcome in heart failure with a severely depressed left ventricular function and bundle branch blocks

References

• Shenkman HJ, Pampati V, Khandelwal AK, et al. Congestive heart failure and QRS duration: establishing prognosis study. Chest. 2002;122:528–534.
   PubMed Web of Science ®Google Scholar
• Iuliano S, Fisher SG, Karasik PE, et al. QRS duration and mortality in patients with congestive heart failure. Am Heart J. 2002;143:1085–1091.
   PubMed Web of Science ®Google Scholar
• Kashani A, Barold SS. Significance of QRS complex duration in patients with heart failure. J Am Coll Cardiol. 2005;46:2183–2192.
   PubMed Web of Science ®Google Scholar
• Wang NC, Maggioni AP, Konstam MA, et al. Clinical implications of QRS duration in patients hospitalized with worsening heart failure and reduced left ventricular ejection fraction. JAMA. 2008;299:2656–2666.
   PubMed Web of Science ®Google Scholar
• Barsheshet A, Goldenberg I, Garty M, et al. Relation of bundle branch block to long-term (four-year) mortality in hospitalized patients with systolic heart failure. Am J Cardiol. 2011;107:540–544.
   PubMed Web of Science ®Google Scholar
• Abdel-Qadir HM, Tu JV, Austin PC, et al. Bundle branch block patterns and long-term outcomes in heart failure. Int J Cardiol. 2011;146:213–218.
   PubMed Web of Science ®Google Scholar
• Ponikowski P, Voors AA, Anker SD, et al. 2016 ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure: The Task Force for the diagnosis and treatment of acute and chronic heart failure of the European Society of Cardiology (ESC) Developed with the special contribution of the Heart Failure Association (HFA) of the ESC. Eur Heart J. 2016;37:2129–2200.
   PubMed Web of Science ®Google Scholar
• Yu C-M, Sanderson JE, Gorcsan J. Echocardiography, dyssynchrony, and the response to cardiac resynchronization therapy. Eur Heart J. 2010;31:2326–2337.
   PubMed Web of Science ®Google Scholar
• Køber L, Thune JJ, Nielsen JC, et al. Defibrillator implantation in patients with nonischemic systolic heart failure. N Engl J Med. 2016;375:1221–1230.
   PubMed Web of Science ®Google Scholar
• Stankovic I, Aarones M, Smith HJ, et al. Dynamic relationship of left-ventricular dyssynchrony and contractile reserve in patients undergoing cardiac resynchronization therapy. Eur Heart J. 2014;35:48–55.
   PubMed Web of Science ®Google Scholar
• Stankovic I, Prinz C, Ciarka A, et al. Relationship of visually assessed apical rocking and septal flash to response and long-term survival following cardiac resynchronization therapy (PREDICT-CRT). Eur Heart J Cardiovasc Imaging. 2016;17:262–269.
   PubMed Web of Science ®Google Scholar
• Ghani A, Delnoy PP, Ottervanger JP, et al. Association of apical rocking with long-term major adverse cardiac events in patients undergoing cardiac resynchronization therapy. Eur Heart J Cardiovasc Imaging. 2016;17:146–153.
   PubMed Web of Science ®Google Scholar
• Doltra A, Bijnens B, Tolosana JM, et al. Mechanical abnormalities detected with conventional echocardiography are associated with response and midterm survival in CRT. JACC Cardiovasc Imaging. 2014;7:969–979.
   PubMed Web of Science ®Google Scholar
• Haugaa KH, Smedsrud MK, Steen T, et al. Mechanical dispersion assessed by myocardial strain in patients after myocardial infarction for risk prediction of ventricular arrhythmia. JACC Cardiovasc Imaging. 2010;3:247–256.
   PubMed Web of Science ®Google Scholar
• Haugaa KH, Grenne BL, Eek CH, et al. Strain echocardiography improves risk prediction of ventricular arrhythmias after myocardial infarction. JACC Cardiovasc Imaging. 2013;6:841–850.
   PubMed Web of Science ®Google Scholar
• Willems JL, Robles de Medina EO, Bernard R, et al. Criteria for intraventricular conduction disturbances and pre-excitation. World Health Organizational/International Society and Federation for Cardiology Task Force Ad Hoc. J Am Coll Cardiol. 1985;5:1261–1275.
   PubMed Web of Science ®Google Scholar
• Stankovic I, Putnikovic B, Janicijevic A, et al. Myocardial mechanical and QTc dispersion for the detection of significant coronary artery disease. Eur Heart J Cardiovasc Imaging. 2015;16:1015–1022.
   PubMed Web of Science ®Google Scholar
• Stankovic I, Kafedzic S, Janicijevic A, et al. T-wave changes in patients with Wellens syndrome are associated with increased myocardial mechanical and electrical dispersion. Int J Cardiovasc Imaging. 2017; [in press] doi: 10.1007/s10554-017-1181-4.
   PubMed Web of Science ®Google Scholar
• Risum N, Jons C, Olsen NT, et al. Simple regional strain pattern analysis to predict response to cardiac resynchronization therapy: rationale, initial results, and advantages. Am Heart J. 2012;163:697–704.
   PubMed Web of Science ®Google Scholar
• Unger PN, Lesser ME, Kugel VH, et al. The concept of masquerading bundle-branch block; an electrocardiographic-pathologic correlation. Circulation. 1958;17:397–409.
   PubMed Web of Science ®Google Scholar
• Richman JL, Wolff L. Left bundle branch block masquerading as right bundle branch block. Am Heart J. 1954;47:383–393.
   PubMed Web of Science ®Google Scholar
• Breithardt OA, Stellbrink C, Herbots L, et al. Cardiac resynchronization therapy can reverse abnormal myocardial strain distribution in patients with heart failure and left bundle branch block. J Am Coll Cardiol. 2003;42:486–494.
   PubMed Web of Science ®Google Scholar
• Szulik M, Tillekaerts M, Vangeel V, et al. Assessment of apical rocking: a new, integrative approach for selection of candidates for cardiac resynchronization therapy. Eur J Echocardiogr. 2010;11:863–869.
   PubMed Web of Science ®Google Scholar
• Parsai C, Bijnens B, Sutherland GR, et al. Toward understanding response to cardiac resynchronization therapy: left ventricular dyssynchrony is only one of multiple mechanisms. Eur Heart J. 2009;30:940–949.
   PubMed Web of Science ®Google Scholar
• Leong DP, Hoogslag GE, Piers SR, et al. The relationship between time from myocardial infarction, left ventricular dyssynchrony, and the risk for ventricular arrhythmia: speckle-tracking echocardiographic analysis. J Am Soc Echocardiogr. 2015;28:470–477.
   PubMed Web of Science ®Google Scholar
• Steelant B, Stankovic I, Roijakkers I, et al. The impact of infarct location and extent on LV motion patterns: implications for dyssynchrony assessment. JACC Cardiovasc Imaging. 2016;9:655–664.
   PubMed Web of Science ®Google Scholar
• Risum N, Strauss D, Sogaard P, et al. Left bundle-branch block: the relationship between electrocardiogram electrical activation and echocardiography mechanical contraction. Am Heart J. 2013;166:340–348.
   PubMed Web of Science ®Google Scholar
• Leeters IP, Davis A, Zusterzeel R, et al. Left ventricular regional contraction abnormalities by echocardiographic speckle tracking in combined right bundle branch with left anterior fascicular block compared to left bundle branch block. J Electrocardiol. 2016;49:353–361.
   PubMed Web of Science ®Google Scholar
• Strauss DG, Selvester RH, Wagner GS. Defining left bundle branch block in the era of cardiac resynchronization therapy. Am J Cardiol. 2011;107:927–934.
   PubMed Web of Science ®Google Scholar
• Zusterzeel R, Curtis JP, Caños DA, et al. Sex-specific mortality risk by QRS morphology and duration in patients receiving CRT: results from the NCDR. J Am Coll Cardiol. 2014;64:887–894.
   PubMed Web of Science ®Google Scholar
• Kutyifa V, Pouleur AC, Knappe D, et al. Dyssynchrony and the risk of ventricular arrhythmias. JACC Cardiovasc Imaging. 2013;6:432–444.
   PubMed Web of Science ®Google Scholar
• Hasselberg NE, Haugaa KH, Bernard A, et al. Left ventricular markers of mortality and ventricular arrhythmias in heart failure patients with cardiac resynchronization therapy. Eur Heart J Cardiovasc Imaging. 2016;17:343–350.
   PubMed Web of Science ®Google Scholar
• Lumens J, Tayal B, Walmsley J, et al. Differentiating electromechanical from non-electrical substrates of mechanical discoordination to identify responders to cardiac resynchronization therapy. Circ Cardiovasc Imaging. 2015;8:e003744.
   PubMed Web of Science ®Google Scholar
• Chung ES, Leon AR, Tavazzi L, et al. Results of the predictors of response to CRT (PROSPECT) trial. Circulation. 2008;117:2608–2616.
   PubMed Web of Science ®Google Scholar
• Ruschitzka F, Abraham WT, Singh JP, et al. Cardiac-resynchronization therapy in heart failure with a narrow QRS complex. N Engl J Med. 2013;369:1395–1405.
   PubMed Web of Science ®Google Scholar