Valoración del flujo arterial del cordón umbilical en fetos caprinos de raza murciano-granadina mediante ecografía doppler espectral

  1. Martínez-Díaz, Sandra 1
  2. García-Vázquez, Francisco Alberto 1
  3. Luongo, Chiara 1
  4. Ruiz López, Salvador 1
  1. 1 Facultad de Veterinaria. Universidad de Murcia
Revue:
Anales de veterinaria de Murcia

ISSN: 0213-5434,  1989-1784

Année de publication: 2022

Número: 36

Pages: 19-35

Type: Article

DOI: 10.6018/ANALESVET.513941 DIALNET GOOGLE SCHOLAR lock_openDIGITUM editor

D'autres publications dans: Anales de veterinaria de Murcia

Résumé

The Murciano-Granadina (M-G) breed is the most representative goat breed in Spain. Ultrasound has proven to be a very useful procedure in animal reproduction for detection and monitoring of pregnancy and Doppler ultrasound has made it possible to obtain non-invasive objective measurements of the vascular supply and the functionality of various organs and structures. The objective of this work has been the evaluation of the hemodynamic characteristics of the umbilical artery in M-G goat fetuses using Doppler parameters and indices to assess the applicability of Doppler ultrasound in the evaluation of fetal vascularization. The study was carried out in 4 pregnant goats M-G, belonging to IMIDA, located in the Veterinary Teaching Farm. Examinations and measurements of Doppler parameters in the umbilical artery were carried out once a week between days 75 and 120 of gestation, assuming a total of 5 to 7 ultrasound sessions in each female. Doppler parameters analyzed were Peak Sistolic Velocity (PSV), End Diastolic Velocity (EDV), Mean Velocity (MV), Resistive Index (RI), Pulsatility Index (PI), Systolic/Diastolic Ratio (S/D) and umbilical artery pulse (AP). PSV increased without significant differences until day 120 of gestation, when it reached its maximum value. EDV progressively increased significantly during pregnancy. MV of umbilical arterial flow remained with similar values, without significant differences between days of pregnancy, reaching its maximum value on day 120. Values of RI, PI and S/D ratio decreased continuously and significantly during the gestational period. AP values varied significantly during pregnancy, reaching the maximum on day 90 and minimum value on day 120 of pregnancy. This study has shown that Doppler ultrasound is an effective, safe and repeatable tool that offers good accuracy to successfully analyze blood flow and velocimetric parameters of the umbilical cord during physiological changes and intrauterine development of the fetus throughout pregnancy in M-G goats. The objective of this work has been the evaluation of the hemodynamic characteristics of the umbilical artery in M-G goat fetuses using Doppler parameters and indices to assess the applicability of Doppler ultrasound in the evaluation of fetal vascularization. The study was carried out in 4 pregnant goats M-G, belonging to IMIDA, located in the Veterinary Teaching Farm. Examinations and measurements of Doppler parameters in the umbilical artery were carried out once a week between days 75 and 120 of gestation, assuming a total of 5 to 7 ultrasound sessions in each female. Doppler parameters analyzed were Peak Sistolic Velocity (PSV), End Diastolic Velocity (EDV), Mean Velocity (MV), Resistive Index (RI), Pulsatility Index (PI), Systolic/Diastolic Ratio (S/D) and umbilical artery pulse (AP). PSV increased without significant differences until day 120 of gestation, when it reached its maximum value. EDV progressively increased significantly during pregnancy. MV of umbilical arterial flow remained with similar values, without significant differences between days of pregnancy, reaching its maximum value on day 120. Values of RI, PI and S/D ratio decreased continuously and significantly during the gestational period. AP values varied significantly during pregnancy, reaching the maximum on day 90 and minimum value on day 120 of pregnancy. This study has shown that Doppler ultrasound is an effective, safe and repeatable tool that offers good accuracy to successfully analyze blood flow and velocimetric parameters of the umbilical cord during physiological changes and intrauterine development of the fetus throughout pregnancy in M-G goats.

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