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Myocardial perfusion echocardiography: A novel use in the diagnosis of sepsis-induced left ventricular systolic impairment on the intensive care unit
Journal article   Peer reviewed

Myocardial perfusion echocardiography: A novel use in the diagnosis of sepsis-induced left ventricular systolic impairment on the intensive care unit

Daniel Sado and Kim Greaves
European Journal of Echocardiography, Vol.12(1), pp.81-84
2011
DOI: https://doi.org/10.1093/ejechocard/jeq093
url
https://doi.org/10.1093/ejechocard/jeq093View
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Abstract

perfusion echocardiography contrast sepsis
Impaired left ventricular systolic function secondary to sepsis can occur in up to 20 of patients with septic shock. The electrocardiogram (ECG) and echocardiographic changes it produces can be very similar to those occurring during acute coronary syndromes (ACS). Myocardial contrast echocardiography (MCE) allows assessment of myocardial perfusion. This technique can be performed at the bedside of the critically unwell patient. We describe a patient presenting with septic shock secondary to pneumonia. While sedated and ventilated in the intensive care unit, the patient developed marked ECG changes, a troponin rise and widespread left ventricular wall motion abnormality. The clinical picture suggested ACS or stress cardiomyopathy was unlikely and was more in keeping with a diagnosis of sepsis-induced left ventricular systolic dysfunction. To support this, resting and flash impulse MCE was performed which revealed normal perfusion in areas of both normal and abnormal wall motion. This suggested that the cardiac presentation was more likely to be due to left ventricular impairment secondary to sepsis and ACS therapy was discontinued. Pre-discharge ECG and transthoracic echocardiogram were normal. Percutaneous coronary angiography 6 weeks later was also normal. This is the first described case of MCE being used to aid in the decision-making process in distinguishing between ACS, stress cardiomyopathy, and left ventricular systolic impairment secondary to sepsis. © The Author 2010.

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