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Heart Lung Circ. 2012 Mar;21(3):143-9. doi: 10.1016/j.hlc.2011.11.010. Epub 2012 Jan 10.

Clinical characteristics and outcome of apical ballooning syndrome in Auckland, New Zealand.

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Department of Cardiology, Middlemore Hospital, Private Bag 933111, Otahuhu, Auckland, New Zealand.



Apical ballooning syndrome (ABS) mimics myocardial infarction but is characterised by transient left ventricular (LV) dysfunction without significant coronary artery obstruction.


We prospectively identified 100 consecutive patients presenting in the Auckland region between March 2004 and July 2010 and obtained clinical, laboratory, electrocardiography, echocardiography, coronary angiography and long-term follow-up data.


Chest pain or dyspnoea were the most common presenting symptom, 95% were women (mean age 65 ± 11 years). An associated stressor was identified in two-thirds of patients, troponin was elevated in all patients, and one-third had ECG ST-elevation. There was a similar range of initial LV ejection fraction (EF), myocardial damage, LV recovery and prognosis in those with and without ST-elevation, and with and without identifiable stressors. One-quarter had a complicated in-hospital course. Lower admission LVEF, but not peak troponin level or ECG ST-elevation, was associated with a complicated in-hospital course. The mean follow-up was 3.0 ± 1.7 years. One patient died in hospital. Four died late after discharge, all from non-cardiac causes. Seven had recurrent ABS.


In this large, prospective, New Zealand ABS cohort a quarter of patients had a complicated in-hospital course, but almost all recovered, recurrence was infrequent and long-term prognosis dependent on associated non-cardiac disease.

[Indexed for MEDLINE]

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