Daily Archive: November 30, 2011

Nov 30

3D Echocardiography: Reaffirming its Utility

Sameer Shrivastava, Vinay K Sharma Development of three dimensional echocardiography (3DE) is an exciting new development in the field of echocardiography. A vast corpus of literature has already proven utility of 3DE in routine clinical practice including of evaluation of cardiac pathologies and during interventional procedures. With more and more availability of 3D capable ultrasound …

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Nov 30

VVI Pacemakers Still Good For Indians

(Arun Ranganathan, Gnanavelu G, Geetha Subramanian, Arunachalam P, Venkatesan Sangareddi) Contrary to the popular belief, VVI pacemaker was not associated with worsening LV function and left atrial dimension in a Chennai based study at Madras Medical College. But there was a marginal deterioration in LV diastolic functional parameter. There was no significant   impact on the …

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Nov 30

The Heart Rhythm Society (HRS) 2011: Key Trials

DISCERN-AF: Asymptomatic atrial-fib recurrence clouds perception of ablation success  ALTITUDE: “Inappropriate” ICD shocks off the hook for mortality increase  PRELUDE: Inducibility in the EP lab a poor risk stratifier in Brugada syndrome  VT Ablation Study: High VT recurrence, mortality, and heart transplantation in VT ablation patients with very low EFs  CONFIRM: Ablating electrical rotors plus …

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Nov 30

Midwall Fibrosis in Aortic Stenosis

Myocardial fibrosis detected by late gadolinium enhancement on MRI is associated with adverse prognosis in ischemic and certain non-ischemic conditions. (J Am Coll Cardiol 2011; 58:1271).

Nov 30

Cardiac resynchronization therapy for functional mitral regurgitation

The impact of CRT on moderate to severe to severe mitral regurgitation was evaluated in a study of 98 patients.  Nearly half showed a significant improvement in mitral regurgitation (reduction by at least one grade). (Circulation 2011; 124:912).

Nov 30

Diastolic dysfunction carries poor prognosis

A study of 36,261 adults with normal LV ejection fraction followed for a mean of six years found that moderate or severe diastolic dysfunction is an independent risk factor for mortality (Arch Intern Med 2011; 171:1082).