Let the drinks flow in chronic heart failure? Insights from the FRESH-UP study

Area of Science:

• Cardiology
• Clinical Trials
• Heart Failure Management

Background:

• Heart failure (HF) management traditionally includes sodium and fluid restriction due to neurohormonal activation and fluid retention.
• The efficacy of routine fluid restriction in HF lacks robust, high-quality evidence.
• This report analyzes the FRESH-UP trial, evaluating fluid intake strategies in stable chronic HF.

Purpose of the Study:

• To assess the impact of liberal versus restricted fluid intake on quality of life and safety in patients with stable chronic heart failure.
• To challenge the established practice of routine fluid restriction in heart failure management.

Main Methods:

• The FRESH-UP trial was an open-label, randomized controlled study.
• It compared a restricted fluid intake (1500 mL/day) group with a liberal intake group in patients with stable, chronic HF.
• The study duration was 6 weeks.

Main Results:

• A mean difference of 284 mL in daily fluid intake was observed between the groups.
• No significant differences in health-related quality of life were found between the restricted and liberal fluid intake arms.
• Liberal fluid intake did not compromise safety in patients with stable chronic HF.

Conclusions:

• Liberal fluid intake appears to be safe for patients with stable chronic heart failure.
• The findings challenge the longstanding clinical practice of routine fluid restriction in this patient population.
• Optimized guideline-directed medical therapy is crucial for managing stable chronic HF patients on liberal fluid intake.