Electrotonic load triggers remodeling of repolarizing current I to in ventricle

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 286, Issue 5 55-5, 2004, Pages

  Libbus, Imad ^a   Wan, Xiaoping ^a   Rosenbaum, David S ^a,b  

^a CASE WESTERN RESERVE UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b CASE WESTERN RESERVE UNIVERSITY   (United States)

Author keywords

Cardiac memory; Electrical remodeling; Optical mapping

Indexed keywords

ANALYTIC METHOD; ANIMAL CELL; ANIMAL TISSUE; ARTERY PERFUSION; ARTICLE; CELL ISOLATION; CONTROLLED STUDY; DOG; DOWN REGULATION; ELECTRIC CURRENT; ENDOCARDIUM; EPICARDIUM; EPICARDIUM MAPPING; HEART ELECTROPHYSIOLOGY; HEART MUSCLE CELL; HEART MUSCLE POTENTIAL; HEART PACING; HEART REPOLARIZATION; HEART STIMULATION; HEART VENTRICLE; MEASUREMENT; NONHUMAN; PRIORITY JOURNAL; SURFACE PROPERTY; TIME;

ACTION POTENTIALS; ANIMALS; DOGS; ELECTROPHYSIOLOGY; OPTICS; PERICARDIUM; VENTRICULAR REMODELING;

EID: 1942501606     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.00581.2003     Document Type: Article

References (37)

1. Akar FG, Laurita KR, and Rosenbaum DS. Cellular basis for dispersion of repolarization underlying reentrant arrhythmias. J Electrocardiology 33, Suppl: 23-31, 2000.
2. Akar FG, Yan G, Antzelevitch C, and Rosenbaum DS. Optical maps reveal reentrant mechanism of torsade de pointes based on topography and electrophysiology of mid-myocardial cells (Abstract). Circulation 96: I-555, 1997.
3. Akar FG, Yan GX, Antzelevitch C, and Rosenbaum PS. Unique topographical distribution of M cells underlies reentrant mechanism of torsades de pointes in the long-QT syndrome. Circulation 105: 1247-1253, 2002.
4. Beaumont J, Davidenko N, Davidenko JM, and Jalife J. Spiral waves in two-dimensional models of ventricular muscle: formation of a stationary core. Biophys J 75: 1-14, 1998.
5. Brandt RR and Shen WK. Bradycardia-induced polymorphic ventricular tachycardia after atrioventricular junction ablation for sinus tachycardia-induced cardiomyopathy. J Cardiovasc Electrophysiol 6: 630-633, 1995.
6. Costard JA, Goetsch B, Antz M, and Franz MR. Slow- and long-lasting modulation of myocardial repolarization produced by ectopic activation in isolated rabbit hearts: evidence for cardiac "memory". Circulation 80: 1412-1420, 1989.
7. Eloff BC, Lerner DL, Yamada KA, Schuessler RB, Saffitz JE, and Rosenbaum DS. High resolution optical mapping reveals conduction slowing in connexin43 deficient mice. Cardiovasc Res 51: 681-690, 2001.
8. Geller JC, Carlson MD, Goette A, Reek S, Hartung WM, and Klein HU. Persistent T-wave changes after radiofrequency catheter ablation of an accessory connection (Wolff-Parkinson-White syndrome) are caused by "cardiac memory". Am Heart J 138: 987-993, 1999.
9. Geller JC and Rosen MR. Persistent T-wave changes after alteration of the ventricular activation sequence: New insights into cellular mechanisms of 'cardiac memory'. Circulation 88: 1811-1819, 1993.
10. Girouard SD, Laurita KR, and Rosenbaum DS. Unique properties of cardiac action potentials recorded with voltage-sensitive dyes. J Cardiovasc Electrophysiol 7: 1024-1038, 1996.
11. Girouard SD, Pastore JM, Laurita KR, Gregory KW, and Rosenbaum DS. Optical mapping in a new guinea pig model of ventricular tachycardia reveals mechanisms for multiple wavelengths in a single reentrant circuit. Circulation 93: 603-613, 1996.
12. Goyal R, Syed ZA, Mukhopadhyay PS, Souza J, Zivin A, Knight BP, Man KC, Strickberger SA, and Morady F. Changes in cardiac repolarization following short periods of ventricular pacing. J Cardiovasc Electrophysiol 9: 269-280, 1998.
13. to1 in shaping action potential morphology and duration. Circ Res 87, 1026-1033, 2000.
14. Kääb S, Nuss HB, Chiamvimonvat N, O'Rourke B, Pak PH, Kass DA, Marban E, and Tomaselli GF. Ionic mechanism of action potential prolongation in ventricular myocytes from dogs with pacing-induced heart failure. Circ Res 78: 262-273, 1996.
15. Krebs ME, Szwed JM, Shinn T, Miles WM, and Zipes DP. Short-term rapid ventricular pacing prolongs ventricular refractoriness in patients. J Cardiovasc Electrophysiol 9: 1036-42, 1998.
16. Kucera JP, Kléber AG, and Rohr S. Slow conduction in cardiac tissue. II: effects of branching tissue geometry. Circ Res 83: 795-805, 1998.
17. Laurita KR, Girouard SD, and Rosenbaum DS. Modulation of ventricular repolarization by a premature stimulus: role of epicardial dispersion of repolarization kinetics demonstrated by optical mapping of the intact guinea pig heart. Circ Res 79: 493-503, 1996.
18. Laurita KR and Libbus I. Optics and detectors used in optical mapping. In: Optical Mapping of Cardiac Excitation and Arrhythmias, edited by Rosenbaum DS and Jalife J. Armonk, NY: Futura, 2001, p. 61-78.
19. Libbus I and Rosenbaum DS. Transmural action potential changes underlying ventricular electrical remodeling. J Cardiovasc Electrophysiol 14: 394-402, 2003.
20. Litovsky S and Antzelevitch C. Rate dependence of action potential duration and refractoriness in canine ventricular endocardium differs from that of epicardium: role of the transient outward current. J Am Coll Cardiol 14: 1053-1066, 1989.
21. Litovsky SH and Antzelevitch C. Transient outward current prominent in canine ventricular epicardium but not endocardium. Circ Res 62: 116-126, 1988.
22. Pastore JM, Girouard SD, Laurita KR, Akar FG, and Rosenbaum DS. Mechanism linking T-wave afternans to the genesis of cardiac fibrillation. Circulation 99: 1385-1394, 1999.
23. Prinzen FW, Hunter WC, Wyman BT, and McVeigh ER. Mapping of regional myocardial strain and work during ventricular pacing: experimental study using magnetic resonance imaging tagging. J Am Coll Cardiol 33: 1735-1742, 1999.
24. Rosenbaum MB, Blanco HH, Elizari MV, Lazzari JO, and Davidenko JM. Electrotonic modulation of the T wave and cardiac memory. Am J Cardiol 50: 213-22, 1982.
25. Rubart M, Lopshire JC, Fineberg NS, and Zipes DP. Changes in left ventricular repolarization and ion channel currents following a transient rate increase superimposed on bradycardia in anesthetized dogs. J Cardiovasc Electrophysiol 11: 652-664, 2000.
26. Satoh T and Zipes DP. Rapid rates during bradycardia prolong ventricular refractoriness and facilitate ventricular tachycardia induction with cesium in dogs. Circulation 94: 217-227, 1996.
27. Shvilkin A, Danilo P, Wang J, Burkhoff D, Anyukhovsky EP, Sosunov EA, Hara M, and Rosen MR. Evolution and resolution of long-term cardiac memory. Circulation 97: 1810-1817, 1998.
28. Spach M, Kootsey M, and Sloan J. Active modulation of electrical coupling between cardiac cells of the dog. Circ Res 51: 347-362, 1982.
29. Spach MS and Barr RC. Effects of cardiac microstructure on propagating electrical waveforms. Circ Res 86: E23-E28, 2000.
30. Spach MS, Heidlage JF, Dolber PC, and Barr RC. Electrophysiological effects of remodeling cardiac gap junctions and cell size-experimental and model studies of normal cardiac growth. Circ Res 86: 302-311, 2000.
31. + current densities and Kv1.5 expression are reduced in chronic human atrial fibrillation. Circ Res 80: 772-781, 1997.
32. Wendt DJ, Starmer CF, and Grant AO. Na channel kinetics remain stable during perforated-patch recordings. Am J Physiol 63: C1234-C1240, 1992.
33. Wijffels MCEF, Kirchhof CJHJ, Dorland R, and Allessie MA. Atrial fibrillation begets atrial fibrillation-a study in awake chronically instrumented goats. Circulation 92: 1954-1968, 1995.
34. + channels in rat atrium-electrical remodeling in paroxysmal atrial tachycardia. Circulation 101: 2007-2014, 2000.
35. to1, is altered in cardiac memory. Circulation 99: 1898-1905, 1999.
36. Yue LX, Feng JL, Gaspo R, Li GR, Wang ZG, and Nattel S. Ionic remodeling underlying action potential changes in a canine model of atrial fibrillation. Circ Res 81: 512-525, 1997.
37. Yue LX, Meinyk P, Gaspo R, Wang ZG, and Nattel S. Molecular mechanisms underlying ionic remodeling in a dog model of atrial fibrillation. Circ Res 84: 776-784, 1999.