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Created on : 19 Jan 2006
Modified on : 23 Mar 2018

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Bibliographical entry (without author) :

Fetal hemodynamic changes after amniotomy. ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA 84 (2): 166-169 FEB 2005

Author(s) :

Fok WY, Leung TY, Tsui MH, Leung TN, Lau TK

Year of publication :

2005

URL(s) :

http://www.blackwell-synergy.com/doi/abs/10.1111/j…

Résumé (français)  :

Abstract (English)  :

BACKGROUND: The aim of the study was to assess fetal vascular blood flow after amniotomy.

METHODS: This was a prospective observational study. Thirty-five women with singleton pregnancy beyond 36 weeks of gestation, who underwent amniotomy, were recruited. The pulsatility indices of the fetal middle cerebral artery (MCA), the renal artery, and the ductus venosum were measured before and 30 min following amniotomy. The changes in pulsatility index were compared by means of Wilcoxon signed rank test.

RESULTS: There was a significant reduction in pulsatility indices of the MCA (median reduction: 0.23; interquantile range (IQR): -0.04, 0.4) and the renal artery (median reduction: 0.12; IQR: -0.12, 0.54) after amniotomy. However, there was no obvious change in the ductus venosum (median reduction: 0.00; IQR: -0.06, 0.1).

CONCLUSIONS: Amniotomy is associated with significant reduction in the impedance of the fetal MCA and the renal artery. The former may be a result of fetal stress response and the latter could be related to the release of vasoactive substances after amniotomy.

Sumário (português)  :

Resumen (español)  :

Comments :

Argument (français) :

L’amniotomie est associée avec une réduction significative de l’impédance du MCA foetal et de l’artère rénale
Amniotomy is associated with significant reduction in the impedance of the fetal MCA and the renal artery.

Argument (English):

Argumento (português):

Argumento (español):

Keywords :

➡ amniotomy ; active management of labor

Author of this record :

Sandrine Péneau — 19 Jan 2006
➡ latest update : Bernard Bel — 23 Mar 2018