Assessment of warranty time for dobutamine stress magnetic resonance imaging in 3138 consecutive patients: a bi-center s
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ORAL PRESENTATION
Open Access
Assessment of warranty time for dobutamine stress magnetic resonance imaging in 3138 consecutive patients: a bi-center study Sebastian Kelle1*, Eike Nagel2, Amedeo Chiribiri2, Rolf Gebker1, Christopher Schneeweis1, Alexander Berger1, Evangelos Giannitsis3, Eckart Fleck1, Hugo A Katus3, Grigorios Korosoglou3 From 15th Annual SCMR Scientific Sessions Orlando, FL, USA. 2-5 February 2012 Summary We aimed to determine the prognostic value of wall motion assessment during high-dose dobutamine stress cardiac magnetic resonance imaging (DCMR) for the prediction of hard cardiac events in a large patient cohort and within a long follow-up duration. DCMR can accurately identify between patients with inducible ischemia who are at increased risk for future hard cardiac events and revascularization procedures. Within the ‘primary warranty time’ of 3 years after DCMR excellent outcomes (annual hard cardiac event rate 90 1 Cardiology, German Heart Institute Berlin, Berlin, Germany Full list of author information is available at the end of the article
days after the MR-scans were prospectively collected at least 6 months after DCMR.
Results Follow-up data were available in 3138 consecutive patients (mean follow-up 3.3±1.7 years, range 0.5 and 9.7 years). Hard cardiac events occurred in 183 (5.8%) patients during the follow-up period. Patients with an inducible wall motion abnormality (WMA) experienced hard cardiac events and late revascularization at significantly higher rates (hazard ratio (HR): 6.9; 95%; confidence interval (CI): 4.9-9.7, and HR=3.8; 95%CI=2.9-5.0, respectively, p
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