Identification of hibernating myocardium with quantitative intravenous myocardial contrast echocardiography: Comparison with dobutamine echocardiography and thallium-201 scintigraphy

Sarah Shimoni, Nikolaos G. Frangogiannis, Constadina J. Aggeli, Kesavan Shan, Mario S. Verani, Miguel A. Quinones, Rafael Espada, George V. Letsou, Gerald M. Lawrie, William L. Winters, Michael J. Reardon, William A. Zoghbi, Michael H. Picard

Research output: Contribution to journalArticle

122 Citations (Scopus)

Abstract

Background - There are currently no data on the accuracy of intravenous myocardial contrast echocardiography (MCE) in detecting myocardial hibernation in man and its comparative accuracy to dobutamine echocardiography (DE) or thallium 201 (TI201) scintigraphy. Methods and Results - Twenty patients with coronary artery disease and ventricular dysfunction underwent MCE 1 to 5 days before bypass surgery and repeat echocardiography at 3 to 4 months. Patients also underwent DE (n= 18) and rest- redistribution TI201 tomography (n = 16) before revascularization. MCE was performed using continuous Optison infusion (12 to 16 cc/h) with intermittent pulse inversion harmonics and incremental triggering (1:1 to 1:8). Myocardial contrast intensity (MCI) replenishment curves were constructed to derive quantitative MCE indices of blood velocity and flow. Recovery of function occurred in 38% of dysfunctional segments. MCE parameters of perfusion in hibernating myocardium were similar to segments with normal function and higher than dysfunctional myocardium without recovery of function (P<0.001). The best MCE parameter for predicting functional recovery was Peak MCIXβ, an index of myocardial blood flow (area under the curve, 0.83). MCE parameters were higher in segments with contractile reserve and TI201 uptake ≥60% (P<0.05) and identified viable segments without contractile reserve by DE. The sensitivity of Peak MCIXβ <1.5 dB/s for recovery of function was 90% and was similar to TI201 scintigraphy (92%) and any contractile reserve (80%); specificity was higher than for TI210 and DE (63%, 45%, and 54%, respectively; P<0.05). Conclusions - MCE with intravenous contrast identifies myocardial hibernation in humans. Prediction of viable myocardium with MCE is best using quantification of myocardial blood flow and provides improved accuracy compared with DE and TI210 scintigraphy.

Original languageEnglish (US)
Pages (from-to)538-544
Number of pages7
JournalCirculation
Volume107
Issue number4
DOIs
StatePublished - Feb 4 2003
Externally publishedYes

Fingerprint

Dobutamine
Thallium
Radionuclide Imaging
Echocardiography
Myocardium
Recovery of Function
Myocardial Stunning
Ventricular Dysfunction
Blood Flow Velocity
Reoperation
Area Under Curve

Keywords

  • Cardiovascular diseases
  • Echocardiography
  • Hibernation
  • Ischemia
  • Perfusion

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Identification of hibernating myocardium with quantitative intravenous myocardial contrast echocardiography : Comparison with dobutamine echocardiography and thallium-201 scintigraphy. / Shimoni, Sarah; Frangogiannis, Nikolaos G.; Aggeli, Constadina J.; Shan, Kesavan; Verani, Mario S.; Quinones, Miguel A.; Espada, Rafael; Letsou, George V.; Lawrie, Gerald M.; Winters, William L.; Reardon, Michael J.; Zoghbi, William A.; Picard, Michael H.

In: Circulation, Vol. 107, No. 4, 04.02.2003, p. 538-544.

Research output: Contribution to journalArticle

Shimoni, S, Frangogiannis, NG, Aggeli, CJ, Shan, K, Verani, MS, Quinones, MA, Espada, R, Letsou, GV, Lawrie, GM, Winters, WL, Reardon, MJ, Zoghbi, WA & Picard, MH 2003, 'Identification of hibernating myocardium with quantitative intravenous myocardial contrast echocardiography: Comparison with dobutamine echocardiography and thallium-201 scintigraphy', Circulation, vol. 107, no. 4, pp. 538-544. https://doi.org/10.1161/01.CIR.0000047211.53448.12
Shimoni, Sarah ; Frangogiannis, Nikolaos G. ; Aggeli, Constadina J. ; Shan, Kesavan ; Verani, Mario S. ; Quinones, Miguel A. ; Espada, Rafael ; Letsou, George V. ; Lawrie, Gerald M. ; Winters, William L. ; Reardon, Michael J. ; Zoghbi, William A. ; Picard, Michael H. / Identification of hibernating myocardium with quantitative intravenous myocardial contrast echocardiography : Comparison with dobutamine echocardiography and thallium-201 scintigraphy. In: Circulation. 2003 ; Vol. 107, No. 4. pp. 538-544.
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abstract = "Background - There are currently no data on the accuracy of intravenous myocardial contrast echocardiography (MCE) in detecting myocardial hibernation in man and its comparative accuracy to dobutamine echocardiography (DE) or thallium 201 (TI201) scintigraphy. Methods and Results - Twenty patients with coronary artery disease and ventricular dysfunction underwent MCE 1 to 5 days before bypass surgery and repeat echocardiography at 3 to 4 months. Patients also underwent DE (n= 18) and rest- redistribution TI201 tomography (n = 16) before revascularization. MCE was performed using continuous Optison infusion (12 to 16 cc/h) with intermittent pulse inversion harmonics and incremental triggering (1:1 to 1:8). Myocardial contrast intensity (MCI) replenishment curves were constructed to derive quantitative MCE indices of blood velocity and flow. Recovery of function occurred in 38{\%} of dysfunctional segments. MCE parameters of perfusion in hibernating myocardium were similar to segments with normal function and higher than dysfunctional myocardium without recovery of function (P<0.001). The best MCE parameter for predicting functional recovery was Peak MCIXβ, an index of myocardial blood flow (area under the curve, 0.83). MCE parameters were higher in segments with contractile reserve and TI201 uptake ≥60{\%} (P<0.05) and identified viable segments without contractile reserve by DE. The sensitivity of Peak MCIXβ <1.5 dB/s for recovery of function was 90{\%} and was similar to TI201 scintigraphy (92{\%}) and any contractile reserve (80{\%}); specificity was higher than for TI210 and DE (63{\%}, 45{\%}, and 54{\%}, respectively; P<0.05). Conclusions - MCE with intravenous contrast identifies myocardial hibernation in humans. Prediction of viable myocardium with MCE is best using quantification of myocardial blood flow and provides improved accuracy compared with DE and TI210 scintigraphy.",
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T1 - Identification of hibernating myocardium with quantitative intravenous myocardial contrast echocardiography

T2 - Comparison with dobutamine echocardiography and thallium-201 scintigraphy

AU - Shimoni, Sarah

AU - Frangogiannis, Nikolaos G.

AU - Aggeli, Constadina J.

AU - Shan, Kesavan

AU - Verani, Mario S.

AU - Quinones, Miguel A.

AU - Espada, Rafael

AU - Letsou, George V.

AU - Lawrie, Gerald M.

AU - Winters, William L.

AU - Reardon, Michael J.

AU - Zoghbi, William A.

AU - Picard, Michael H.

PY - 2003/2/4

Y1 - 2003/2/4

N2 - Background - There are currently no data on the accuracy of intravenous myocardial contrast echocardiography (MCE) in detecting myocardial hibernation in man and its comparative accuracy to dobutamine echocardiography (DE) or thallium 201 (TI201) scintigraphy. Methods and Results - Twenty patients with coronary artery disease and ventricular dysfunction underwent MCE 1 to 5 days before bypass surgery and repeat echocardiography at 3 to 4 months. Patients also underwent DE (n= 18) and rest- redistribution TI201 tomography (n = 16) before revascularization. MCE was performed using continuous Optison infusion (12 to 16 cc/h) with intermittent pulse inversion harmonics and incremental triggering (1:1 to 1:8). Myocardial contrast intensity (MCI) replenishment curves were constructed to derive quantitative MCE indices of blood velocity and flow. Recovery of function occurred in 38% of dysfunctional segments. MCE parameters of perfusion in hibernating myocardium were similar to segments with normal function and higher than dysfunctional myocardium without recovery of function (P<0.001). The best MCE parameter for predicting functional recovery was Peak MCIXβ, an index of myocardial blood flow (area under the curve, 0.83). MCE parameters were higher in segments with contractile reserve and TI201 uptake ≥60% (P<0.05) and identified viable segments without contractile reserve by DE. The sensitivity of Peak MCIXβ <1.5 dB/s for recovery of function was 90% and was similar to TI201 scintigraphy (92%) and any contractile reserve (80%); specificity was higher than for TI210 and DE (63%, 45%, and 54%, respectively; P<0.05). Conclusions - MCE with intravenous contrast identifies myocardial hibernation in humans. Prediction of viable myocardium with MCE is best using quantification of myocardial blood flow and provides improved accuracy compared with DE and TI210 scintigraphy.

AB - Background - There are currently no data on the accuracy of intravenous myocardial contrast echocardiography (MCE) in detecting myocardial hibernation in man and its comparative accuracy to dobutamine echocardiography (DE) or thallium 201 (TI201) scintigraphy. Methods and Results - Twenty patients with coronary artery disease and ventricular dysfunction underwent MCE 1 to 5 days before bypass surgery and repeat echocardiography at 3 to 4 months. Patients also underwent DE (n= 18) and rest- redistribution TI201 tomography (n = 16) before revascularization. MCE was performed using continuous Optison infusion (12 to 16 cc/h) with intermittent pulse inversion harmonics and incremental triggering (1:1 to 1:8). Myocardial contrast intensity (MCI) replenishment curves were constructed to derive quantitative MCE indices of blood velocity and flow. Recovery of function occurred in 38% of dysfunctional segments. MCE parameters of perfusion in hibernating myocardium were similar to segments with normal function and higher than dysfunctional myocardium without recovery of function (P<0.001). The best MCE parameter for predicting functional recovery was Peak MCIXβ, an index of myocardial blood flow (area under the curve, 0.83). MCE parameters were higher in segments with contractile reserve and TI201 uptake ≥60% (P<0.05) and identified viable segments without contractile reserve by DE. The sensitivity of Peak MCIXβ <1.5 dB/s for recovery of function was 90% and was similar to TI201 scintigraphy (92%) and any contractile reserve (80%); specificity was higher than for TI210 and DE (63%, 45%, and 54%, respectively; P<0.05). Conclusions - MCE with intravenous contrast identifies myocardial hibernation in humans. Prediction of viable myocardium with MCE is best using quantification of myocardial blood flow and provides improved accuracy compared with DE and TI210 scintigraphy.

KW - Cardiovascular diseases

KW - Echocardiography

KW - Hibernation

KW - Ischemia

KW - Perfusion

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