ECHO 2013 / Contrast for Diagnosis and Therapy
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Contrast Echo is Superior to Tissue
Harmonics for Assessment of LV Function in Mechanically Ventilated Patients
•50 ICU patients, not all limited echos, 100% ventilated
•Fundamental vs harmonics vs contrast
Kornbluth et al: AHJ 2000; 140: 291-296 |
Contrast12:11 |
Contrast Echo is Superior to Tissue
Harmonics for Assessment of LV Function in Mechanically Ventilated Patients
Kornbluth et al: AHJ 2000; 140: 291-296 |
Contrast12:12 |
Daniel et al: JASE 2001; 14: 917-920 |
Contrast12:13 |
Improved Estimation of LV Volumes
No contrast
Contrast
Thomson et al: JACC 2001; 38: 867-75 |
Contrast12:14 |
Can contrast help in stress echocardiography ???
Contrast12:15
Fundamental Imaging
Contrast12:16
Harmonic Imaging
Contrast12:17
Contrast Harmonic Imaging
Contrast12:18
Contrast Improves Agreement
Novice vs Expert Dobutamine Echo Readers
•29 patients imaged in fundamental and harmonic modes with and without Optison
Diagnostic Concordance (%)
100
90
80
70
60
50
p<0.001
91.8
84.3 |
84.7 |
|
79.2 |
F |
F+C |
H |
H+C |
Vlassak et al. Echocardiography 2002; 19: 483-88 |
Contrast12:19 |
Plana et al. JACC Img 2008; 1: 145-52 |
Contrast12:20 |