Speckle tracking-vs conventional echocardiography for the detection of myocardial injury: A study on patients with subarachnoid haemorrhage
Acta Anaesthesiologica Scandinavica Feb 28, 2019
Dalla K, et al. - Whether the diagnostic performance of left ventricular (LV) global and regional longitudinal strain (GLS and RLS, respectively) evaluated with speckle tracking echocardiography vs standard echocardiography is better at detecting myocardial injury in SAH was assessed. Participants were 71 unselected patients with verified SAH. A reduced GLS was defined as >−15%. RLS was defined using two cut-off levels, ie when segmental strain was >−15% (liberal) or >−11% (conservative) in ≥2 adjacent segments. A peak hsTnT ≥90 ng/L indicated myocardial injury. Findings revealed a 25% incidence of myocardial injury. Compared to standard echocardiography, the diagnostic performance of GLS by strain imaging was not superior. Regional myocardial injury could not be detected reliably with RLS.
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