Cardiology

A coordinated response to cardiac stress

Myocardial hypertrophy, a thickening of the heart muscle, is an adaptation that occurs with increased stress on the heart, such as high blood pressure. As the heart muscle expands, it also requires greater blood flow to maintain ...

Cardiology

Gene therapy may activate stem cells in heart failure patients

(HealthDay)—Delivery of an SDF-1 encoding plasmid (JVS-100) acts a homing signal for stem cells and improves clinical status in patients with symptomatic heart failure due to ischemic cardiomyopathy (IsCM), according to ...

Medical research

Microbubbles improve myocardial remodelling after infarction

German scientists from the Bonn University Hospital successfully tested a method in mice allowing the morphological and functional sequelae of a myocardial infarction to be reduced. Tiny gas bubbles are made to oscillate ...

Cardiology

Discovery spurred by unique twist of fate

(Medical Xpress)—As people age, or as a result of poor nutrition, heart valves can become damaged by the accumulation of calcium deposits within the tissue. This calcification causes a thickening and hardening of the tissue ...

Cardiology

Genes provide clues to gender disparity in human hearts

Healthy men and women show little difference in their hearts, except for small electrocardiographic disparities. But new genetic differences found by Washington University in St. Louis researchers in hearts with disease could ...

Genetics

Diabetic fruit flies support buzz about dietary sugar dangers

Regularly consuming sucrose—the type of sugar found in many sweetened beverages—increases a person's risk of heart disease. In a study published January 10 in the journal PLOS Genetics, researchers at Sanford-Burnham ...

Cardiology

FDA: Pradaxa not for patients with mechanical heart valves

(HealthDay)—The blood thinner Pradaxa should not be used to prevent stroke or blood clots in patients with mechanical heart valves, the U.S. Food and Drug Administration said in a warning issued Wednesday.

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