Key result
A 20-week endurance training program significantly increased left ventricular end-diastolic internal diameter in young men (47.8 to 49.9 mm, P<0.05) but not in middle-aged men.
Why the study?
Does a 20-week endurance training program alter left ventricular dimensions differently in young versus middle-aged men?
Population
n=24 men, comprising 11 young subjects and 13 middle-aged subjects
Comparison
20-week endurance training program vs Pre-training baseline
Design
Cohort
Follow-up
20 weeks
Authors
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May support age-specific LV responses to endurance training; leaves open prospective confirmation of differential remodeling.
Observational (n=24)
Does a 20-week endurance training program alter left ventricular dimensions differently in young versus middle-aged men?
Absolute Event Rate: 49.9% vs 47.8%
p-value: p=<0.05
Endurance training induces left ventricular end-diastolic enlargement in young but not middle-aged men, which may be secondary to training-induced resting bradycardia increasing diastolic filling time.
Perrault et al. (1982) conducted an observational in Healthy men (n=24). Endurance training program vs. Pre-training baseline was evaluated on Left ventricular end-diastolic internal diameter in young subjects (p=<0.05). A 20-week endurance training program significantly increased left ventricular end-diastolic internal diameter in young men (47.8 to 49.9 mm, P<0.05) but not in middle-aged men.
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