Resumen

APAZA VALENCIA, John  y  DELGADO RENDON, Juan. Currelation uf uterine artery mean velocitv with gestational age as indlcatur uf uterine vascular perfusion. Rev. peru. ginecol. obstet. [online]. 2015, vol.61, n.3, pp.219-225. ISSN 2304-5132.

Objectives: To determine correlation ofthe uterine artery mean velocity with gestational age as indicator of uterine vascular perfusion. Design: Cross-sectional study. Setting: Hospital III Honorio Delgado, Arequipa, Peru. Participants: Pregnant women. Interventions: To pregnant women between 14-41 weeks of gestation admitted to the hospital for routine ultra­ sound evaluation without evidence of pathology both uterine arteries average mean velocity (MnV) was calculated and correlated with gestational age. Correlation of average MnV in the second (14-28 weeks) and third (29-41 weeks) trimesters and MnV Sth percentile were determined. Main outcome measures: 80th uterine arteries mean velocity (MnV) and correlation with gestational age. Results: Average age of the 138 pregnant women was 26.4 years and MnV correlation coefficientto gestational age was r = 0.SS6 (r2 = 0.31). Correlation coefficients were r = 0.634 (r2 = 0.40) and r = 0.32 (r2 = 0.001) respectively in the second and third trimes­ terso MnV Sth percentile average in the third trimester (29-41 weeks) was 67.S0 cm/s. Conclusions: There was MnV correlation with gestational age. Values below the Sth percentile for gestational age could be used as indicators of uterine vascular hypoperfusion in pregnant women in the second and third trimesters.

Palabras clave : Mean velocity; uterine perfusion; uterine blood flow.

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