Contact: Katie Glenn, kglenn@acc.org, 2023756472

WASHINGTON (Apr 24, 2018) -

Data from the American College of Cardiology's NCDR was the source of several studies published and presented in recent months, including a study on the role of mitral regurgitation in increased mortality and heart failure hospitalization in patients who have undergone TAVR, implantable cardioverter-defibrillator complications in adults with congenital heart disease and how electronic health records can be used to boost cardiac rehab referral rates.

NCDR Study Examines Link Between Mitral Regurgitation and Mortality, Rehab in TAVR Patients

Moderate or severe mitral regurgitation (MR) may be associated with increased mortality or heart failure (HF) rehospitalization in patients who undergo transcatheter aortic valve replacement (TAVR), according to a study published Sept. 29 in The Annals of Thoracic Surgery. Using data from theSTS/ACC TVT Registry, Kreton Mavromatis, MD, FACC, et al., reviewed 11,104 records of patients who underwent a TAVR procedure for aortic valve stenosis (AS) between Jan. 3, 2012, and Dec. 31, 2013. After dividing MR severity into four groups (none, mild, moderate and severe), the researchers conducted statistical modeling to determine mortality and mortality or HF at 30 days and one year after TAVR. Results showed that at baseline, 36.8 percent of patients had moderate or severe MR. After adjusting for independent predictors of mortality, higher MR severity was associated with 30-day mortality or HF rehospitalization. Similarly, there was a link between higher MR severity and mortality or HF rehospitalization. Read more.

NCDR Research Finds Low ICD Complication Rates in Adults with CHD, LVNC

Adults with congenital heart disease (CHD) and left ventricular noncompaction cardiomyopathy (LVNC) may have low complication rates following implantable cardioverter-defibrillator (ICD) implantation, according to a study published Aug. 8 in The American Journal of Cardiology. Marye J. Gleva, MD, FACC, et al., analyzed data submitted to ACC's ICD Registry between April 2010 and March 2015 to determine characteristics of adult CHD and LVNC patients who underwent ICD implantation, as well as the types and rates of in-hospital complications. Results showed that 2.3 percent of the 3,077 identified patients experienced complications during or after the procedure, while six patients had more than one complication during hospitalization. The most frequent in-hospital complication was lead dislodgement, which occurred in 25 patients. Hematomas were the second most frequent complication, occurring in 14 patients, while five patients developed infections. Read more.

NCDR Research Finds Significant Variations in Pediatric BAV, BPV Procedures

There may be significant hospital-level variations in pediatric balloon aortic valvuloplasty (BAV) and balloon pulmonary valvuloplasty (BPV) that cannot be explained by patient- and procedure-level characteristics, according to research published March 19 in JACC: Cardiovascular Interventions. Andrew C. Glatz, MD, et al., studied BAV and BPV procedures recorded in ACC's IMPACT Registry between January 2011 and September 2015. Researchers collected data on demographics, pre-catheterization clinical history, indication for the procedure, hemodynamics and specific case details for 1,071 BAV cases at 60 hospitals and 2,207 BPV cases at 75 hospitals. For both BAV and BPV, the indication was high-resting gradient for 82 percent of the procedures. In BAV cases, 86 percent were performed in a manner consistent with published guidelines, compared with 66 percent of BPV cases. Researchers noted significant hospital-level variation in the rates of procedures that were consistent with published guidelines. Read more.

NCDR data was also previously highlighted. Read more:

• American College of Cardiology, Saudi Arabian Cardiac Interventional Society Partner on Registries
• Technology-Based Process Boosts Cardiac Rehab Referral Rates

The American College of Cardiology is the professional home for the entire cardiovascular care team. The mission of the College and its more than 52,000 members is to transform cardiovascular care and to improve heart health. The ACC leads in the formation of health policy, standards and guidelines. The College operates national registries to measure and improve care, offers cardiovascular accreditation to hospitals and institutions, provides professional medical education, disseminates cardiovascular research and bestows credentials upon cardiovascular specialists who meet stringent qualifications. For more, visit acc.org.

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