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Revista Peruana de Ginecología y Obstetricia
versión On-line ISSN 2304-5132
Resumen
REYNA-VILLASMIL, Eduardo et al. Cervical vascularization low he in the prediction of imminent preterm labor. Rev. peru. ginecol. obstet. [online]. 2022, vol.68, n.3, 00004. Epub 22-Sep-2022. ISSN 2304-5132. http://dx.doi.org/10.31403/rpgo.v68i2429.
Objective:
To establish the usefulness of cervical vascularization low he in the prediction of impending preterm labor.
Design:
Case-control study. Institution: “Dr. Urquinaona” Central Hospital, Maracaibo, Venezuela.
Participants:
Patients with preterm delivery within 7 days (group A) and pregnant women with preterm delivery beyond 7 days (group B).
Methods:
Pregnant women were evaluated using transvaginal ultrasound and followed until delivery.
Main outcome measures:
General characteristics, cervical vascularity low he (vascularity index, low index and vascularity / low index), impending preterm delivery, and prognostic efficacy.
Results:
A total of 350 patients were included, 75 women presented imminent preterm labor (group A) and 251 patients were considered as controls (group B). Patients in group A had significantly lower values of vascularization index and low index compared to group B (p = 0.0122 and p < 0.0001, respectively). Patients in group B had significantly higher values of vascularization / low index compared to patients in group A (p = 0.0103). The three low he and the combination of these did not show the ability to discriminate imminent preterm labor.
Conclusions:
Patients with imminent preterm labor showed significant differences in the vascularization low he compared to patients presenting preterm labor beyond 7 days of ultrasound evaluation. However, they are not useful in predicting impending preterm labor.
Palabras clave : Cervix uteri, blood low, Cervical vascularization indexes; Obstetric labor, premature, prediction.