Quantification of blood echogenicity: Evaluation of a semiquantitative method of grading spontaneous echo contrast

Ultrasound in Medicine and Biology

Volumn 21, Issue 9, 1995, Pages 1191-1198

  Fatkin, D ^a,b   Loupas, T ^a,b   Jacobs, N ^a,b   Feneley, M P ^a,b  

^a ST VINCENT S HOSPITAL   (Australia)

^b CSIRO   (Australia)

Author keywords

Atrial fibrillation; Spontaneous echo contrast; Stroke; Thromboembolism; Transesophageal echocardiography; Videodensitometry

Indexed keywords

CORRELATION METHODS; DENSITY MEASUREMENT (OPTICAL); HEMODYNAMICS; PHYSIOLOGY;

ATRIAL FIBRILLATION; SPONTANEOUS ECHO CONTRAST; THROMBOEMBOLISM; TRANSESOPHAGEAL ECHOCARDIOGRAPHY; VIDEODENSITOMETRY;

ECHOCARDIOGRAPHY;

ACETYLSALICYLIC ACID; ANTICOAGULANT AGENT;

ADULT; AGED; ARTICLE; BLOOD FLOW VELOCITY; CLINICAL ARTICLE; CONTRAST ECHOCARDIOGRAPHY; DIAGNOSTIC IMAGING; DISEASE SEVERITY; FEMALE; HEART ATRIUM FIBRILLATION; HUMAN; MALE; PRIORITY JOURNAL; REPRODUCIBILITY; SCORING SYSTEM; STROKE; THROMBOEMBOLISM; TRANSESOPHAGEAL ECHOCARDIOGRAPHY; VIDEODENSITOMETRY;

ADULT; AGED; AGED, 80 AND OVER; ATRIAL FIBRILLATION; BLOOD; CARDIAC OUTPUT, LOW; DENSITOMETRY; ECHOCARDIOGRAPHY, TRANSESOPHAGEAL; EVALUATION STUDIES; FEMALE; HEART ATRIUM; HUMAN; IMAGE PROCESSING, COMPUTER-ASSISTED; MALE; MIDDLE AGE; OBSERVER VARIATION; PROGNOSIS; REPRODUCIBILITY OF RESULTS; RISK FACTORS; SUPPORT, NON-U.S. GOV'T; THROMBOEMBOLISM; VIDEO RECORDING;

EID: 0028801057     PISSN: 03015629     EISSN: None     Source Type: Journal    
DOI: 10.1016/0301-5629(95)02006-3     Document Type: Article

References (50)

1. Smoke-like echo in the left atrial cavity in mitral valve disease: its features and significance
2. Hematologic correlates of left atrial spontaneous echo contrast and thromboembolism in nonvalvular atrial fibrillation
3. Left atrial spontaneous echo contrast: a clinical and echocardiographic analysis
4. A real-time system for quantifying and displaying two-dimensional velocities using ultrasound
5. The effect of low-dose warfarin on the risk of stroke in nonrheumatic atrial fibrillation
6. Spontaneous echocardiographic contrast in the descending aorta
7. Prevalence and clinical implications of atrial spontaneous contrast in patients undergoing transesophageal echocardiography
8. Change in amplitude distributions of Doppler spectrograms recorded below the aortic valve in patients with valvular aortic stenosis
9. Canadian Atrial Fibrillation Anticoagulation (CAFA) study
10. Left atrial spontaneous echo contrast in mitral valve disease: an indicator for an increased thromboembolic risk
11. Detection of spontaneous echocardiographic contrast within the left atrium by transesophageal echocardiography: spontaneous echocardiographic contrast
12. Warfarin in the prevention of stroke associated with nonrheumatic atrial fibrillation
13. Hematologic correlates of spontaneous echo contrast in patients with atrial fibrillation and implications for thromboembolic risk
14. Relations between left atrial appendage blood flow velocity, spontaneous echocardiographic contrast and thromboembolic risk in vivo
15. Transesophagcal echocardiography before and during direct current cardioversion of atrial fibrillation: evidence for “atrial stunning” as a mechanism of thromboembolic complications
16. Red cells and plasma proteins are required for echocardiographic contrast formation in human blood [abstract]
17. Spontaneous echo contrast and thromboembolic risk in patients with atrial fibrillation: a prospective study [abstract]
18. Spontaneous contrast in the inferior vena cava in a patient with constrictive pericarditis
19. Dynamic intracavitary left atrial echoes in mitral stenosis
20. Ultrasonic evaluation of erythrocyte aggregation dynamics
21. Cyclic changes of blood echogenicity in high frequency ultrasound
22. Prognostic implications of left atrial spontaneous echo contrast in nonvalvular atrial fibrillation
23. The effect of heparin versus citrate on blood echogenicity in vitro: the role of platelet and plateletneutrophil aggregates
24. Red cell aggregation and the echogenicity of whole blood
25. Echocardiographic “smoke” is produced by an interaction of erythrocytes and plasma proteins modulated by shear forces
26. Regional stasis of blood in the dysfunctional left ventricle: echocardiographic detection and differentiation from early thrombosis
27. A unified approach to modeling the backscattered Doppler ultrasound from blood
28. Placebo-controlled, randomised trial of warfarin and aspirin for prevention of thromboembolic complications in chronic atrial fibrillation. The Copenhagen AFASAK study
29. Intracavitary echoes in the aortic arch in Type III aortic dissection
30. Transesophageal echocardiography: technique, anatomic correlations, implementation, and clinical applications
31. Physics of blood echogenicity
32. In vitro experimental results on ultrasonic scattering in biological tissues
33. The effects of hematocrit, shear rate and turbulence on ultrasonic Doppler spectrum from blood
34. Effect of flow disturbance on ultrasonic backscatter from blood
35. Spontaneous echo contrast in massive pericardial effusion with tamponade
36. Ultrasonography of blood during stasis and coagulation
37. Red cell aggregation as a cause of blood-flow echogenicity
38. Stroke prevention in atrial fibrillation study. Final results
39. Effects of instrument adjustments on quantitative echocardiographic grey level texture measures
40. Clinical implications of left atrial spontaneous echo contrast in nonrheumatic atrial fibrillation
41. Low frequency scattering by correlated distributions of randomly oriented particles
42. Viscometric characteristics of blood of the elephant, man, dog, sheep and goat
43. Echocardiographic detection of dynamic intracavitary echoes and right atrial thrombus
44. The relationship between intracardiovascular smoke-like echo and erythrocyte rouleaux formation
45. The direct visualization of blood flow by real-time ultrasound: clinical observations and underlying mechanisms
46. Red cell aggregation and viscoelasticity of blood from seals, swine and man
47. Intravascular ultrasound imaging of blood: the effect of hematocrit and flow on backscatter
48. Ultrasonic backscatter from flowing blood. I: Dependence on shear rate and hematocrit