A new analysis from the Northern Manhattan Study suggests that insulin resistance in nondiabetics is associated with an increase risk for stroke, independent of blood pressure or obesity. Medscape Medical News
Results of a study show that among high-risk patients with atrial fibrillation admitted for a stroke, 90% were either not receiving warfarin or were in subtherapeutic ranges at the onset of stroke. Medscape Medical News
Long-term results have been reported on the emerging technique of cryoablation--which uses freezing rather than heat to ablate the pulmonary vein for the treatment of atrial fibrillation. Heartwire
In a major trial, baseline fasting plasma glucose levels of more than 5 mmol/L, body mass index, and atenolol plus a diuretic were the predictors of new-onset diabetes in patients with hypertension. Medscape Medical News
Antibiotic prophylaxis in susceptible individuals does not prevent endocarditis enough to justify the downside of using such large quantities of antibiotics, according to new recommendations. Medscape Medical News
AHA 2007: A leading authority discusses whether the ability of the newer generation of beta-blockers to increase NO confers additional benefits for treatment of hypertension and heart failure. Medscape Cardiology
