Key result
Maternal cardiac index was higher in the right lateral position compared with sitting and supine positions (by 8.8% and 8.1%) and in the left lateral compared with sitting position (by 7.8%) (P=0.01).
Why the study?
Does lateral positioning improve cardiac index compared to sitting or supine positions in term pregnant women?
Population
n=25 ASA physical status I/II women with uncomplicated pregnancies presenting for elective cesarean delivery…
Comparison
Lateral positions vs Flexed sitting position and supine with a…
Design
Cross-sectional, Positions measured in random order
Authors
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Lateral positioning may support maternal cardiac index in term pregnancy; hypothesis-generating and requires randomized confirmation before practice change.
Observational (n=25)
Random order
Does lateral positioning improve cardiac index compared to sitting or supine positions in term pregnant women?
p-value: p=0.01
In healthy term pregnant women, lateral positioning improves maternal cardiac index compared to sitting or supine positions, without significantly affecting fetal blood flow.
Armstrong et al. (2011) conducted an observational in Uncomplicated pregnancies at term (n=25). Lateral positions (right and left flexed lateral) vs. Sitting and supine-tilt positions was evaluated on Cardiac index (CI) as assessed by suprasternal Doppler (p=0.01). Maternal cardiac index was higher in the right lateral position compared with sitting and supine positions (by 8.8% and 8.1%) and in the left lateral compared with sitting position (by 7.8%) (P=0.01).
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