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Resuscitation. 2018 Mar;124:90-95. doi: 10.1016/j.resuscitation.2018.01.019. Epub 2018 Jan 11.

Echocardiographic patterns of postresuscitation myocardial dysfunction.

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Department of Emergency Medicine, Yonsei University, Wonju College of Medicine, Wonju, Republic of Korea.
Department of Emergency Medicine, Yonsei University, Wonju College of Medicine, Wonju, Republic of Korea. Electronic address:



Postresuscitation myocardial dysfunction (PRMD) can develop after successful resuscitation from cardiac arrest. However, echocardiographic patterns of PRMD remain unknown. This study aimed to investigate PRMD manifestations with serial echocardiography during the post-cardiac arrest period.


We enrolled non-traumatic out-of-hospital cardiac arrest patients older than 19 years who underwent successful cardiopulmonary resuscitation (CPR). We excluded patients with myocardial infarction or pre-existing cardiac disease, including heart failure or myocardial disease. Transthoracic echocardiography (TTE) was performed within 24 h, between 24 and 48 h, and between 72 and 96 h after restoration of spontaneous circulation (ROSC).


Of 280 patients, 138 (93 men) were analysed. PRMD was observed in 45 patients (33%), including global dysfunction in 28 patients (20%), regional wall motion abnormalities (RWMA) in 10 (7%), and Takotsubo pattern in 7 (5%). There were no differences in clinical characteristics, laboratory findings, or hospital mortality according to PRMD pattern. Global left ventricular (LV) systolic function gradually improved with time and had recovered to normal by Day 3 in all patients except one with the Takotsubo pattern, which remained on follow-up echocardiography two weeks after ROSC.


PRMD occurs in about one-third of patients resuscitated from cardiac arrest. Echocardiographic patterns of post-cardiac arrest LV dysfunction include global hypokinesia, regional wall motion abnormalities, and Takotsubo pattern.


Cardiopulmonary resuscitation; Heart arrest; Myocardial stunning

[Indexed for MEDLINE]

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