CardioExchange Archive

April 8th, 2014

Assessing the MRI Safety of New Pacemakers and ICDs

Promporn Suksaranjit, M.D.

Promporn Suksaranjit provides an update on the safety of pacemakers and ICDs in an MRI environment.

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February 13th, 2013

FDA Approves Second-Generation MRI-Friendly Pacemaker System from Medtronic

Larry Husten, PHD

Medtronic announced today that the FDA had approved its Advisa DR MRI SureScan, a next-generation pacemaker system specifically designed and tested for use with MRI scanners. The system, which Medtronic said would be launched immediately, includes the Advisa MRI device and two CapSureFix MRI SureScan leads. Medtronic said that more than 100,000 of its first-generation Revo SureScan devices have […]

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September 6th, 2012

Unrecognized MI: More Prevalent and Dangerous Than Previously Suspected

Larry Husten, PHD

Unrecognized myocardial infarction is more prevalent, and is associated with a worse prognosis, than may be generally understood.

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August 29th, 2012

Pilot Study Demonstrates Feasibility of MRI-Guided Catheterization

Larry Husten, PHD

A small pilot study has demonstrated that it may one day be possible to replace x-rays with MRI to guide some cardiac catheterization procedures. As reported in the European Heart Journal, researchers at the National Heart, Lung, and Blood institute (NHLBI) performed x-ray and MRI-guided transfemoral right heart catheterization in 16 patients (4 with shunt, 9 with […]

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March 17th, 2011

Small Study May Help Revive Hope for Stem Cell Therapy

Larry Husten, PHD

Stem cell therapy may help reverse long-term damage after MI, according to a small, preliminary study by a group led by Joshua Hare published in Circulation: Research. Eight patients with LV dysfunction after MI received injections of autologous bone marrow progenitor cells in the LV scar and surrounding area. At one year, as assessed by […]

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