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January 1, 1969Circulation ResearchOpen Access

Cardiovascular Performance of Alaska Sled Dogs during Exercise

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Population

Alaska sled dogs

Comparison

Cross-country runs (prolonged exercise) vs Resting state

Design

Preclinical

Authors

RCRobert L. Van CittersNational Institutes of HealthDFDean FranklinUniversity of Leeds

Discussion

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Implication

Sled dog visceral flow preservation during exercise challenges human models of redistribution; leaves open species-specific cardiovascular reserve mechanisms.

Structured PICO

P
Population
Alaska sled dogs
I
Intervention
Cross-country runs (prolonged exercise)
C
Comparator
Resting state
O
Outcome
Regional blood flow distribution (coronary, renal, mesenteric, terminal abdominal aorta) and hemodynamics (heart rate, aortic blood pressure)surrogate

Unlike humans, Alaska sled dogs do not exhibit diminished visceral blood flow during prolonged exercise, suggesting compensatory redistribution is not a significant reserve mechanism in these animals.

Cite This Study

Citters et al. (1969) studied this question.

synapsesocial.com/papers/6a7dcd083fa445558d7d8911https://doi.org/10.1161/01.res.24.1.33
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Also Consider

Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Changes in Peripheral Blood Flow Distribution in Healthy Dogs1961 · 54 citations
  2. 2Variations in Hepatic Blood Flow in Man during Health and Disease1949 · 119 citations