Spermatic cord torsion

1. Spermatic cord torsion decreases end-diastolic velocity in E. caballus.

   “the contralateral testis (the unaffected testis in stallions with torsion) had a lower EDV than normal testes (P < 0.001).”

   Animalscontralateral testis in stallions with torsiontestismales

   Doppler assessment of testicular arterial blood flow in stallions: influence of age and 180° spermatic cord torsion

   Theriogenology·17 Jan 2026

More on End-diastolic velocity

1. Spermatic cord torsion decreases resistance index in E. caballus.

   “In young stallions, torsed testes had a lower RI in the supratesticular artery compared to normal testes (P < 0.001).”

   Animalssupratesticular arterymales

   Doppler assessment of testicular arterial blood flow in stallions: influence of age and 180° spermatic cord torsion

   Theriogenology·17 Jan 2026

More on Resistance index