VENOUS AND VOLUME FACTORS IN WOMEN DURING AND AFTER NORMOTENSIVE PREGNANCY

VENOUS AND VOLUME FACTORS IN WOMEN DURING AND AFTER NORMOTENSIVE PREGNANCY

SUMMARY 1. Venous compliance and plasma volume were measured in thirty‐one continuously normotensive women early (11‐20 weeks) and late (31‐40 weeks) in pregnancy and following delivery. 2. Mathematically fitted pressure/volume curves, obtained by venous occlusion plethysmography, were analysed acco...

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Veröffentlicht in:Clinical and experimental pharmacology & physiology 1982-06, Vol.9 (3), p.315-320
Hauptverfasser: Hunyor, S. N., Saunders, D. M., Bellamy, G. R., Roffe, D., Harford, E., Helfgott, A.
Format: Artikel
Sprache:eng
Schlagworte:
Adult
blood pressure
blood pressure, intravascular volume, pregnancy, postpartum, tilt, venous compliance
Blood Volume
Compliance
Female
Humans
intravascular volume
postpartum
Postpartum Period
Pregnancy
tilt
Veins - physiology
venous compliance
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Zusammenfassung:SUMMARY 1. Venous compliance and plasma volume were measured in thirty‐one continuously normotensive women early (11‐20 weeks) and late (31‐40 weeks) in pregnancy and following delivery. 2. Mathematically fitted pressure/volume curves, obtained by venous occlusion plethysmography, were analysed according to two describing functions (i) the peak of the first derivative dv/dp max and (ii) a work index, ∫2510p dv. 3. The relationship between venous/volume factors seen after delivery, was disturbed during pregnancy, at which time the work index provided evidence for decreased venous compliance. 4. Pregnancy could be regarded as a potentially hypertensive state, brought about by a vascular/volume mismatch.
ISSN:0305-1870
1440-1681
DOI:10.1111/j.1440-1681.1982.tb00813.x