Since MRI is an increasingly important means of evaluating patients after cardiac events and interventions, Syed and his co-authors looked at the safety of postimplantation imaging in the largest patient population to date ( Circulation, October 26, 2004, Vol. "I get calls pretty much every day, (asking) 'We've got a patient with a stent, should we do an MRI?'" "That worries people unnecessarily," said Emory University cardiologist Dr. One study reconfirmed the safety of magnetic resonance imaging just after stent implantation the other suggested that computed tomography angiography may be useful in ruling out in-stent restenosis.īased on animal investigations and a trio of clinical studies, imaging specialists have long felt that patients with metallic coronary stents can be safely examined with MRI only days after implantation.īut patients and referring clinicians often still have concerns - and understandably so, since the materials produced by stent manufacturers generally advise waiting at least eight weeks after implantation before performing MRI. Reflecting that demand is a pair of studies presented Tuesday at the American Heart Association scientific sessions. Novem- NEW ORLEANS - With the use of both noninvasive coronary imaging and coronary stenting on the rise, increased demand for imaging of patients with stents - or the stents themselves - seems inevitable. Coronary stents: Safe with MRI, evaluable with CTA By Tracie L.
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