Transmural heterogeneity of myocardial contraction and ischemia. Diagnosis and clinical implications

Italian Heart Journal

Volumn 1, Issue 3, 2000, Pages 174-183

  Colonna, P ^a   Cadeddu, C ^a   Montisci, R ^a   Chen, L ^a   Meloni, L ^a   Iliceto, S ^a  

^a UNIVERSITY OF CAGLIARI   (Italy)

Author keywords

Coronary artery disease; Echocardiography; Myocardial ischemia; Ventricular function

Indexed keywords

MICROSPHERE;

CARDIOVASCULAR DISEASE; CONTRAST ECHOCARDIOGRAPHY; CORONARY ARTERY DISEASE; DOPPLER ECHOCARDIOGRAPHY; ECHOCARDIOGRAPHY; HEART LEFT VENTRICLE FUNCTION; HEART MUSCLE BLOOD FLOW; HEART MUSCLE ISCHEMIA; HEART MUSCLE PERFUSION; HUMAN; ISCHEMIC HEART DISEASE; ISOTOPE LABELING; NUCLEAR MAGNETIC RESONANCE IMAGING; REVIEW; STUNNED HEART MUSCLE;

ANIMAL; ECHOCARDIOGRAPHY; ECHOCARDIOGRAPHY, DOPPLER; HEART DISEASES; HUMAN; MICROSPHERES; MYOCARDIAL CONTRACTION; MYOCARDIAL ISCHEMIA; MYOCARDIUM; NECROSIS;

EID: 0033826417     PISSN: 1129471X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review

References (69)

1. Total and regional coronary blood flow measured by radioactive microspheres in conscious and anesthetized dogs
2. Regional differences in myocardial performances in the left ventricle of the dog
3. The relative role of subendocardium and subepicardium in left ventricular mechanics
4. The adequacy of subendocardial oxygen delivery: The interaction of determinants of flow, arterial oxygen content and myocardial oxygen need
5. Determinants of prediction of transmural myocardial perfusion
6. In vivo myocardial kinetics of air-filled albumin microbubbles during myocardial contrast echocardiography. Comparison with radiolabeled red blood cells
7. Contrast echocardiography displays increased subendocardial perfusion after nitroglycerin administration
8. Assessment of regional myocardial perfusion by contrast echocardiography. II: Detection of changes in transmural and subendocardial perfusion during dipyridamole-induced hyperemia in a model of critical stenosis
9. Nonuniformity of the transmural distribution of coronary blood flow during the cardiac cycle. In vivo documentation by contrast echocardiography
10. Visualization of subendocardial myocardial ischemia with myocardial contrast echocardiography in humans
11. Improvement of subendocardial myocardial perfusion after percutaneous transluminal coronary angioplasty: A myocardial contrast echocardiography study with correlation between myocardial contrast reserve and Doppler coronary reserve
12. Myocardial washout of sonicated iopamidol does not reflect the transmural distribution of coronary blood flow
13. Myocardial contrast echocardiography and the transmural distribution of flow: A critical appraisal during myocardial ischemia not associated with infarction
14. Subepicardial segmental function during coronary stenosis and the role of myocardial fiber orientation
15. The relationship between myocardial blood flow and contraction by myocardial layer in the canine left ventricle during ischemia
16. Dissociation between epicardial and transmural function during acute myocardial ischemia
17. Nonuniformity of inner and outer systolic wall thickening in conscious dogs
18. Doppler measurement of myocardial thickening with a single epicardial transducer
19. Validation of a single crystal for measurement of transmural and epicardial thickening
20. Direct measurement of inner and outer wall thickening dynamics with epicardial echocardiography
21. Quantitative ultrasonic imaging: Tissue characterization and instantaneous quantification of cardiac function
22. Changes in myocardial backscatter throughout the cardiac cycle
23. The dependence of myocardial ultrasonic backscatter on contractile performance
24. A relationship between ultrasonic integrated backscatter and myocardial contractile function
25. Influence of heart rate, preload, afterload, and inotropic state on myocardial ultrasonic backscatter
26. Effects of atrial pacing stress test on ultrasonic integrated backscatter cyclic variations in normals and in patients with coronary artery disease
27. Increased echodensity of transiently asynergic myocardium in humans: A novel echocardiographic sign of myocardial ischemia
28. Acute myocardial gray intensity changes detected by transesophageal echocardiography during intraoperative ischemia
29. Intramyocardial variability in integrated backscatter: Effect of coronary occlusion and reperfusion
30. Effects of acute myocardial ischemia on intramyocardial contraction heterogeneity: A study performed with ultrasound integrated backscatter during transesophageal atrial pacing
31. Ultrasonic myocardial tissue characterization in the operating room: Initial results using transesophageal echocardiography
32. Color Doppler myocardial imaging: A new technique for the assessment of myocardial function
33. Myocardial velocity gradient by Doppler imaging
34. Myocardial velocity gradient as a new indicator of regional left ventricular contraction: Detection by a two-dimensional tissue Doppler imaging technique
35. New method for evaluating LV wall motion by color-coded tissue Doppler imaging (TDI): In vitro and in vivo studies
36. Color coded measures of myocardial velocity throughout the cardiac cycle by tissue Doppler imaging to quantify regional left ventricular function
37. Functional recovery of subepicardial myocardial tissue in transmural myocardial infarction after successful reperfusion
38. Regional heterogeneity of human myocardial infarcts demonstrated by contrast-enhanced MRI: Potential mechanisms
39. Breath-hold dobutamine magnetic resonance myocardial tagging: Normal left ventricular response
40. Accurate systolic wall thickening by nuclear magnetic resonance imaging with tissue tagging: Correlation with sonomicrometers in normal and ischemic myocardium
41. Remote noninfarcted region dysfunction soon after first anterior myocardial infarction, a magnetic resonance tagging study
42. Impact of increased infarct transmurality on remodeling and function during healing after anterior myocardial infarction in the dog
43. Analysis of transmural trend of myocardial integrated ultrasound backscatter for differentiation of hypertrophic cardiomyopathy and ventricular hypertrophy due to hypertension
44. Age-related transmural peak mean velocities and peak velocity gradients by Doppler myocardial imaging in normal subjects
45. Effect of perfusion pressure distal to a coronary stenosis on transmural myocardial blood flow
46. Influence of subendocardial ischemia on transmural myocardial function
47. Reduced myocardial perfusion in the presence of pharmacologic vasodilator reserve
48. Regional myocardial perfusion and wall thickening during ischemia in conscious dogs
49. Subendocardial and subepicardial wall thickening during ischemia in exercising dogs
50. Nonuniform transmural recovery of contractile function in stunned myocardium
51. Effects of nontransmural ischemia on inner and outer wall thickening in the canine left ventricle
52. Effect of coronary artery occlusion and reperfusion on cardiac cycle-dependent variation of myocardial ultrasonic backscatter
53. Alterations in ultrasonic backscatter during exercise-induced myocardial ischemia in humans
54. Sensitive detection of the effects of reperfusion on myocardium by ultrasonic tissue characterization with integrated backscatter
55. Early identification with ultrasonic integrated backscatter of viable but stunned myocardium in dogs
56. Recovery of transmural and subepicardial wall thickening after subendocardial infarction
57. The wavefront phenomenon of ischemic cell death. I: Myocardial infarct size vs duration of coronary occlusion in dogs
58. Evidence that ischemic cell death begins in subendocardium independent of variations in collateral flow or wall tension
59. Two-dimensional echocardiography and infarct size relationship of regional wall motion and thickening to the extent of myocardial infarction in the dog
60. Dobutamine echocardiography for determining the extent of myocardial salvage after reperfusion. An experimental evaluation
61. There may be more to myocardial viability than meets the eye!
62. Prolonged impairment of coronary vasodilation after reversible ischemia: Evidence for microvascular 'stunning'
63. Ultrasonic tissue characterization with integrated backscatter. Acute myocardial ischemia, reperfusion, and stunned myocardium in patients
64. Transmural gradient time-course of integrated backscatter cyclic variations during atrial pacing in patients with coronary artery disease
65. Assessment of transmural velocity gradients in hypertrophic hearts - A new diagnostic index for hypertrophic cardiomyopathy
66. A new ultrasonic index of left ventricular function-myocardial velocity gradient in dilated cardiomyopathy
67. Recognition of acute cardiac allograft rejection from serial integrated backscatter analyses in human orthotopic heart transplant recipients. Comparison with conventional echocardiography
68. Quantitative ultrasonic analysis of myocardium in patients with thalassemia major and iron overload
69. Abnormal myocardial acoustic properties in diabetic patients and their correlation with the severity of disease