The effect of mode of delivery on placental chorionic plate vascular reactivity.

Abstract:

OBJECTIVE:To determine whether delivery mode influences placental chorionic plate arterial and venous vascular reactivity. METHODS:Normal term placentas were obtained after vaginal delivery or cesarean section. Chorionic plate arterial and venous function was assessed by wire myography. RESULTS:Sodium nitroprusside-induced arterial relaxation increased post cesarean section at 20% oxygen. Decreased U46619-induced venous contraction was observed in vaginal deliveries at 7% oxygen. Sodium nitroprusside-induced relaxation increased in vaginal delivery at 20% oxygen. CONCLUSION:Delivery mode does not alter chorionic plate arterial vascular reactivity under physiological conditions, however venous reactivity was modified, a factor for consideration when interpreting functional experimental data.

journal_name

Hypertens Pregnancy

authors

Mills TA,Baker PN,Wareing M

doi

10.1080/10601330701274824

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

201-10

issue

2

eissn

1064-1955

issn

1525-6065

pii

777789419

journal_volume

26

pub_type

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