Heart : official journal of the British Cardiac Society
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Recent studies in acute coronary syndrome (ACS) have reported mixed results for trends in ACS subtypes. The All New Zealand Acute Coronary Syndrome Quality Improvement (ANZACS-QI) 31 study evaluated trends in ACS event rates, invasive management and mortality of ST-elevation myocardial infarction (STEMI), non-STEMI (NSTEMI) and unstable angina (UA) in New Zealand. ⋯ We observed declines in the event rates of all ACS subtypes and increases in revascularisation rates. The finding that mortality declined in patients with NSTEMI, but not in patients with STEMI and UA, despite increases in invasive procedures, requires further investigation.
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Limited data are currently available regarding the long-term prognosis of patients with J-wave syndrome (JWS). The aim of this study was to investigate the long-term prognosis of patients with JWS and identify predictors of the recurrence of ventricular fibrillation (VF). ⋯ This multicentre long-term study showed that the presence of global J waves was associated with a higher incidence of VF recurrence in patients with JWS.
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Comparative Study
Comparative trends in coronary heart disease subgroup hospitalisation rates in England and Australia.
Population-based coronary heart disease (CHD) studies have focused on myocardial infarction (MI) with limited data on trends across the spectrum of CHD. We investigated trends in hospitalisation rates for acute and chronic CHD subgroups in England and Australia from 1996 to 2013. ⋯ Since 2004, rates of all CHD subgroups have fallen, with greater declines in acute than chronic presentations. The slower declines and high proportion of chronic CHD admissions undergoing coronary procedures requires greater focus.
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We aimed to identify predictors of left atrial appendage (LAA) thrombus in patients with atrial fibrillation (AF) and to enhance the prognostic value of the CHA2DS2-VASc score. ⋯ In real-world AF patients with majority on oral anticoagulation, LAA thrombus was found in approximately 6%. Two variables not included in the CHA2DS2-VASc score (AF type and renal dysfunction) proved strong, independent predictors of LAA thrombus and might improve thromboembolic risk stratification.