MINNEAPOLIS--(BUSINESS WIRE)--Results of the largest U.S. outpatient heart failure clinical study show that implementation of a process improvement program significantly improved adherence to evidence-based, guideline-recommended cardiac resynchronization therapy (CRT), implantable cardioverter-defibrillator (ICD) and drug therapy. Twenty-four-month findings from IMPROVE HF, (The Registry to Improve the Use of Evidence-Based Heart Failure Therapies in the Outpatient Setting), were made available online and will be formally published in the August 10 issue of Circulation: Journal of the American Heart Association. This study was funded by Medtronic, Inc.