Predictors of Developing Heart Failure in Adults with Congenital Heart Defects

Area of Science:

• Cardiology
• Adult Congenital Heart Disease (ACHD)
• Heart Failure (HF)

Background:

• The population of adults with congenital heart defects (ACHD) is growing, with heart failure (HF) being the leading cause of premature death.
• Limited information exists on predictive factors for HF in ACHD patients, highlighting a critical knowledge gap.

Purpose of the Study:

• To re-examine a cohort of ACHD patients after a 15-year follow-up period.
• To identify and evaluate predictors for the development of HF in ACHD patients.

Main Methods:

• A follow-up study involving 249 adults with repaired or palliated congenital heart defects (CHD) initially studied in 2003.
• Investigated the predictive value of maximum oxygen uptake (VO2 max), N-terminal pro brain natriuretic peptide (NT-proBNP), and QRS complex duration for HF development.

Main Results:

• Significant predictors for HF development included NT-proBNP levels >1.7 times the upper normal limit, VO2 max <73% of predicted values, and QRS duration >120 ms.
• The combination of these three parameters demonstrated a high predictive value (AUC = 0.75) for HF development.

Conclusions:

• The combination of VO2 max, NT-proBNP, and QRS duration effectively predicts HF development in ACHD patients over 15 years.
• Enhanced surveillance of these parameters in ACHD patients may aid in HF prevention and early intervention.