June 1, 2000Medicine & Science in Sports & Exercise

Left ventricular volumes and hemodynamic responses to postexercise ischemia in healthy humans

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Why the study?

Does postexercise circulatory occlusion alter left ventricular volumes and hemodynamic responses in healthy humans?

Population

9 healthy volunteers

Comparison

Static exercise at 30% of maximum voluntary… vs Static exercise at 30% of maximum voluntary…

Design

RCT, randomized crossover protocol

Follow-up

3 min

Authors

BBB. G. BastosUniversidade Federal Fluminense JWJ. W. WilliamsonThe University of Texas Southwestern Medical Center THT. N. HarrelsonSouthwestern University

Discussion

Member takes

Implication

Sustains elevated afterload with LV dilation to preserve output; extends mechanistic insight into postexercise hemodynamics in healthy adults.

Structured PICO

Does postexercise circulatory occlusion alter left ventricular volumes and hemodynamic responses in healthy humans?

Population

9 healthy volunteers

Intervention

Static exercise at 30% of maximum voluntary contraction followed by circulatory occlusion (OCCL) for 3 min

Comparator

Static exercise at 30% of maximum voluntary contraction followed by non-OCCL

Outcome

Hemodynamic responses including heart rate (HR), mean arterial pressure (MAP), left ventricular end-diastolic (EDV) and end-systolic volumes (ESV), stroke volume (SV), cardiac output (CO), and total peripheral vascular resistance (TPR)surrogate

Postexercise circulatory occlusion increases mean arterial pressure and total peripheral resistance, with cardiac output maintained via the Frank-Starling mechanism despite increased afterload.

Cite This Study

Bastos et al. (2000) studied this question.

synapsesocial.com/papers/6a107e40e1a472cb5efd04ff https://doi.org/10.1097/00005768-200006000-00012

Topics

Echocardiography

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Implication

Sustains elevated afterload with LV dilation to preserve output; extends mechanistic insight into postexercise hemodynamics in healthy adults.

Left ventricular volumes and hemodynamic responses to postexercise ischemia in healthy humans

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Topics

Left ventricular volumes and hemodynamic responses to postexercise ischemia in healthy humans

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider