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PMID:19151740
| Citation |
Chen, L, Zhan, WW, Shen, ZJ, Rui, WB, Lv, C, Chen, M, Zhou, JQ, Zhou, P, Zhou, M and Zhu, Y (2009) Blood perfusion of the contralateral testis evaluated with contrast-enhanced ultrasound in rabbits with unilateral testicular torsion. Asian J. Androl. 11:253-60 |
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| Abstract |
The changes of blood perfusion of contralateral testis after unilateral testicular torsion remain controversial. In this study, 28 New Zealand white male rabbits were randomly divided into five groups. Group A (n = 8), the control group, underwent a sham operation on the unilateral testis without inducing testicular torsion. In groups B, C, and D (n = 5 each), unilateral testicular torsion was induced, and, after 3, 6 or 24 h, respectively, detorsion was performed. In group E (n = 5), permanent unilateral testicular torsion was applied. Contrast-enhanced ultrasound was used to observe the blood perfusion of the contralateral testis at the following stages: pre-torsion (preopration), immediately post-torsion (postopration), pre-detorsion, immediately post-detorsion, and late-stage post-detorsion (6-12 h post-detorsion in groups B-D) or at a similar time point (15-21 h post-torsion in group E). Time-intensity curves were generated, and the following parameters were derived and analyzed: arrival time, time to peak intensity, peak intensity, and half-time of the descending peak intensity. The analysis revealed that blood perfusion of the contralateral testis increased immediately after testicular torsion on the opposite side (P < 0.05), which increased with prolonged testicular torsion of the other testis. This research demonstrated that contrast-enhanced ultrasound was valuable in evaluating blood perfusion of the contralateral testis after unilateral testicular torsion. |
| Links |
PubMed PMC3735025 Online version:10.1038/aja.2008.13 |
| Keywords |
Animals; Contrast Media/diagnostic use; Disease Models, Animal; Male; Rabbits; Regional Blood Flow/physiology; Spermatic Cord Torsion/pathology; Spermatic Cord Torsion/physiopathology; Testis/blood supply; Testis/pathology; Testis/ultrasonography |
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