The PSV and RI of superior torsional and inferior segments of arteria spermatica interna were not reliable to judge acute experimental incomplete testicular torsion . The decreasing of the PSV and RI of capsular artery and intratesticular artery especially RI have referential value . 4 .

扭转上段、扭转段及扭转下段精索内动脉PSV，RI变化对判断急性期实验性睾丸不全 扭转不可靠，睾丸包膜 动脉及睾丸内动脉PSV，RI降低，特别是RI降低有参考价值。