Why the study?
Does rapid plasma volume expansion differentially affect ANP and hemodynamic responses in women with preeclampsia compared to healthy pregnant controls?
Population
16 women with preeclampsia and 16 healthy controls in the third trimester of pregnancy (n=32)
Comparison
Rapid plasma volume expansion with crystalloid… vs Healthy pregnant controls undergoing the same…
Design
Case-control
Follow-up
Acute (during rapid plasma volume expansion)
Authors
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Should not yet change fluid management in preeclampsia; leaves open whether ANP hyperresponsiveness extends understanding of preeclamptic hemodynamics.
Does rapid plasma volume expansion differentially affect ANP and hemodynamic responses in women with preeclampsia compared to healthy pregnant controls?
Preeclampsia is associated with an enhanced ANP response to acute fluid challenge despite a less pronounced increase in plasma volume, reflecting altered hemodynamics and capillary permeability.
Nisell et al. (1993) studied this question.
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