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January 1, 1994Cardiology in the Young

Embryonic ventricular diastolic and systolic pressure-volume relations

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Population

n≥6 stage 16, 18 and 21 white Leghorn chick embryos

Comparison

Infusion of 1-2 microliters of physiologic… vs Baseline

Design

Preclinical

Authors

BKBradley B. KellerCincinnati Children's Hospital Medical CenterJTJoseph P. TinneyUniversity of LouisvilleNHNorman HuUniversity of Utah

Discussion

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Implication

Defines embryonic ventricular mechanics; leaves open translation to human fetal cardiology.

Structured PICO

P
Population
n≥6 stage 16, 18 and 21 white Leghorn chick embryos
I
Intervention
Infusion of 1-2 microliters of physiologic buffer into the venous sinus (sinus venosus) followed by topical application of 2 Molar sodium chloride to induce ventricular tetany
C
Comparator
Baseline
O
Outcome
Ventricular pressure-volume relations (end-diastolic and end-systolic pressure-volume relations, stroke volume, arterial elastance, pressure-volume loop area)surrogate

Embryonic ventricular pressure-volume relations define diastolic and systolic function at rest and in response to altered preload during cardiovascular development.

Cite This Study

Keller et al. (1994) studied this question.

synapsesocial.com/papers/6a910c6dfae915895c361c9fhttps://doi.org/10.1017/s1047951100010829
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Cardiac Mechanics in the Stage-16 Chick Embryo1992 · 41 citations
  2. 2Effect of chronic verapamil treatment on ventricular function and growth in chick embryos1991 · 25 citations
  3. 3Effect of arterial impedance changes on the end-systolic pressure-volume relation.1984 · 182 citations
  4. 4Effects of ryanodine and caffeine on contractility, membrane voltage, and calcium exchange in cultured heart cells.1987 · 32 citations
  5. 5Ventricular pressure-area loop characteristics in the stage 16 to 24 chick embryo.1991 · 61 citations