CardioExchange Archive

February 4th, 2015

To Shock or Not to Shock — That Is the Question

Joseph G Akar, MD/PhD and Jehad Al Buraiki, MD

Jehad Al Buraiki and Joseph G. Akar offer differing perspectives, from each side of the Atlantic, on cardiac resynchronization-pacemaker therapy.

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September 11th, 2014

Race and Ethnicity Do Not Affect the Benefits of Device Therapy in Heart Failure

Boback Ziaeian, MD

Boback Ziaeian discusses his observational study exploring the benefits of guideline-recommended cardiac resynchronization therapy and ICD therapy in heart failure patients, according to race and ethnicity.

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April 7th, 2014

Selections from Richard Lehman’s Literature Review: April 7th

Richard Lehman, BM, BCh, MRCGP

This week’s topics include SYMPLICITY HTN-3, CoreValve, MADIT-CRT, and more.

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March 30th, 2014

Long-Term Follow-Up from MADIT-CRT: Guideline Implications

Arthur J. Moss, MD

Arthur J. Moss discusses his research group’s study of long-term survival for patients who received cardiac resynchronization therapy with a defibrillator in the MADIT-CRT trial.

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March 3rd, 2014

Case: Palpitations in a Young Runner with Lamin A/C Deficiency

Anna Catino, MD and James Fang, MD

Anna Catino presents our latest case: A young, male, long-distance runner experiencing palpitations, who has lamin A/C deficiency and a family history of cardiac disease. How would you manage this patient?

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October 14th, 2013

Selections from Richard Lehman’s Literature Review: October 14th

Richard Lehman, BM, BCh, MRCGP

This week’s topics include CRT in HF with a narrow QRS complex, a trial of edoxaban vs. warfarin for symptomatic VTE, and more.

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September 19th, 2013

A Novel Navigation System for CRT Device Implantation

Sergio Richter, MD

Sergio Richter discusses his research group’s study of a non–fluoroscopy-based tracking system that can be used when implanting a CRT device.

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September 3rd, 2013

For CRT, Let ECG — Not Echo — Be Your Guide

Clyde Yancy, MD and John Ryan, MD

Clyde Yancy, coauthor of the NEJM editorial about the EchoCRT Study Group’s randomized trial of echocardiography-guided CRT, provides further insights about the findings.

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August 13th, 2013

Observational Study Lends Support to CRT Guidelines

Larry Husten, PHD

A large observational study published in JAMA suggests that patients with left bundle-branch block (LBBB) and longer QRS duration derive the most benefit from a cardiac resynchronization therapy defibrillator (CRT-D). The findings appear to support current, but often criticized, guidelines from the American College of Cardiology, American Heart Association, and the Heart Rhythm Society, in which a class I […]

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April 26th, 2013

Conflicting Results from Two Trials of Cardiac Resynchronization Therapy

Larry Husten, PHD

Two new trials have ended up reporting conflicting results regarding the expansion of the indication for cardiac resynchronization therapy (CRT) for patients without a wide QRS interval.  The positive results of the smaller trial seem likely to be undermined by the early stopping of the much larger trial. The first trial, NARROW-CRT, published in Circulation: Arrhythmia […]

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