Key result
Endurance exercise increases peak VO2 by ~24% versus control in elderly patients with stable HFpEF.
Why the study?
Reduced peak oxygen consumption is the primary chronic symptom in HFPEF and improves with endurance training, but the underlying mechanisms were unknown.
Does endurance exercise training improve peak oxygen consumption in elderly patients with stable compensated heart failure and preserved ejection fraction?
RCT (n=40)
Does endurance exercise training improve peak oxygen consumption in elderly patients with stable compensated heart failure and preserved ejection fraction?
Absolute Event Rate: 16.3% vs 13.1%
p-value: p=0.002
Endurance training improves exercise capacity in elderly patients with HFpEF primarily through peripheral mechanisms (increased peak arterial-venous oxygen difference) rather than central cardiac output improvements.
No takes yet. Share an insight, caveat, or question.
May support endurance training to raise peak VO2 in elderly HFpEF; leaves open effects on outcomes or routine adoption.
Haykowsky et al. (2012) conducted an RCT in Heart failure and preserved ejection fraction (HFPEF) (n=40). Endurance exercise training vs. Attention control was evaluated on Peak oxygen consumption (VO2) (p=0.002). Endurance exercise training significantly increased peak oxygen consumption compared to attention control (16.3 vs. 13.1 ml/kg/min; p=0.002) in elderly patients with stable compensated HFPEF.