Physicians at Boston Children's Hospital and Boston-based Brigham and Women's Hospital performed the first successful in-utero surgery to repair an aggressive vascular malformation in the fetus's brain before birth.

A recent study found women 55 and younger have nearly double the risk of rehospitalization in the year after a heart attack compared to men the same age.

Only 54 percent of U.S. counties have a cardiology practice, according to new research by GoodRx.

A former cardiology director has been charged by the Iowa Board of Medicine with professional incompetency and engaging in harmful and misleading medical practices, the Sioux City Journal reported April 29.

Here are the 10 most-read cardiology stories published by Becker's in April:

Los Angeles-based UCLA Health and Children's Hospital of Orange County in Orange, Calif., are collaborating to provide access to pediatric congenital cardiac care to more children across the southern part of the state.

Seattle-based University of Washington researchers discovered why cell transplants used to repair damage after a heart attack cause arrhythmias and found a possible alternative, The Washington Post reported April 28.

Here are 13 heart centers earning recognition, designations and ratings:

The American Heart Association reviewed and scored 10 of the most popular diets for heart-healthy elements.

Miami Transplant Institute at Jackson Memorial Hospital has undergone three investigations by three agencies after it closed its heart transplant program in mid-March, the Miami Herald reported April 23.

Here are four recent heart transplant updates and firsts:

Surgeons at Massachusetts General Hospital recently performed the organization's first heart transplant without the use of outside blood products, the Boston hospital said April 20.

Stanford (Calif.) Medicine surgeons are the first to transplant a beating heart into a patient.

Elias Saadi, MD, a renowned Ohio cardiologist, died April 17 at age 90, The Vindicator reported.

People infected with influenza are six times more likely to have a heart attack within the first week of illness, and a recent study may have identified why, according to an article on Minneapolis-based University of Minnesota's website.

Researchers at Evanston, Ill.-based Northwestern University and University of Texas at Austin have developed the thinnest known cardiac implant: a graphene "tattoo" implant that functions as a pacemaker.

The American Heart Association is calling on physicians to change the way they screen women for heart disease.

Here are 10 recent firsts in cardiology:

A recent study found that wireless pacemakers could be an effective and safe short-term treatment for children with slow heartbeats, U.S. News & World Report reported April 11.

Middletown, N.Y.-based Garnet Health's Peter Frommer, MD, Heart Center launched an open-heart surgery program.