More is not better when it comes to catheter ablation to treat persistent atrial fibrillation. A randomized controlled clinical trial found additional ablation did not improve outcomes, a result that may prompt a revision in guidelines.

Patients with hemorrhagic stroke were significantly more likely to be alive 90 days after the episode if they were admitted to comprehensive stroke centers instead of primary stroke or nonstroke centers, according to an administrative database analysis.

Approximately 10 percent to 15 percent of patients had worsening heart failure or died within five days of being admitted into a hospital for acute heart failure, according to a pooled analysis of clinical trials.

Medtronic plc today announced its schedule of notable clinical studies that will be presented at Heart Rhythm 2015, the Heart Rhythm Society's 36th Annual Scientific Sessions in Boston, including two late-breaking clinical trials featuring the Evera MRI® SureScan® implantable cardioverter-defibrillator (ICD) System and Micra® Transcatheter Pacing System (TPS).

By using an online tool to track central venous catheters (CVCs), physicians reduced the use of CVCs by 46 percent at two internal medicine teaching clinics.

Moderate wine consumption may lighten the outlook for patients with chronic heart failure but it may not make any difference in long-term outcomes, based on results from a large Italian study.

One year after patients underwent PCIs, approximately 1 percent had gastrointestinal bleeding, which was associated with an increased risk for all-cause mortality and the composite of death, MI or stroke.

A systematic review of databases found that off-label use of the Lariat snare device for left atrial appendage exclusion was associated with adverse events, including death and urgent cardiac surgery.