What question did this study set out to answer?

To compare central cardiac responses, including stroke volume, myocardial contractility, and left ventricular afterload, between boys and men during exhaustive upright cycling.

March 1, 2002Medicine & Science in Sports & Exercise

Central and peripheral cardiovascular adaptations during a maximal cycle exercise in boys and men

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Why the study?

Are there age-related differences in central and peripheral cardiovascular adaptations during maximal cycle exercise between boys and men?

Population

17 boys and 23 young adult men having a similar aerobic potential

Comparison

Upright cycle test performed until exhaustion vs Comparison between boys and young adult men

Design

Cross-sectional

Authors

SNST PHANE NOTTINUniversité d'Avignon et des Pays de Vaucluse AVAGN S VINETUniversité d'Orléans FSF SteckenUniversité d'Orléans

Discussion

Member takes

Implication

Supports BSA scaling for central hemodynamics during pediatric exercise testing; leaves open mechanisms of peripheral differences.

Key Points

To compare central cardiac responses, including stroke volume, myocardial contractility, and left ventricular afterload, between boys and men during exhaustive upright cycling.
Evaluated 17 boys (mean age 11.7 ± 0.6 years) and 23 young adult men (mean age 21.2 ± 2.7 years) matched for aerobic potential during an incremental cycle test to exhaustion.
Measured stroke volume, cardiac output, and left ventricular dimensions via Doppler and two-dimensional echocardiography, alongside arterial pressure and systemic vascular resistance at rest, during each workload, and at maximal effort.
No significant differences occurred between groups for stroke volume, cardiac output, or left ventricular dimensions when indexed to body surface area, both at rest and across all exercise intensities.
Arteriovenous oxygen uptake was significantly higher and systemic vascular resistance was lower in adults compared with children during exercise.

Structured PICO

Are there age-related differences in central and peripheral cardiovascular adaptations during maximal cycle exercise between boys and men?

Population

17 boys (mean age 11.7 +/- 0.6 years) and 23 young adult men (mean age 21.2 +/- 2.7 years) having a similar aerobic potential

Intervention

Upright cycle test performed until exhaustion

Comparator

Comparison between boys and young adult men

Outcome

Stroke volume, cardiac output, left ventricular dimensions, arterial pressure, and systemic vascular resistance during exercisesurrogate

Central cardiovascular adaptations to maximal exercise are similar between boys and men when scaled to body surface area, though peripheral adaptations such as systemic vascular resistance differ.

Cite This Study

NOTTIN et al. (2002) studied this question.

synapsesocial.com/papers/6a73f80698d77be54ecdeb7d https://doi.org/10.1097/00005768-200203000-00012

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Central and peripheral cardiovascular adaptations during a maximal cycle exercise in boys and men

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Central and peripheral cardiovascular adaptations during a maximal cycle exercise in boys and men

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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Also Consider