Ultrasound-guided Auriculopalpebral and Retrobulbar Nerve Blocks in Donkeys | ||
| Journal of Current Veterinary Research | ||
| Volume 6, Issue 2, October 2024, Pages 18-29 PDF (912.66 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jcvr.2024.384905 | ||
| Authors | ||
| Shaaban Gadallah; Ahmed Sharshar; Emad Tageldeen* ; Amal Hammad | ||
| Abstract | ||
| This study aimed to evaluate the usefulness of ultrasound guidance for auriculopalpebral and retrobulbar nerve blocks in donkeys. Hence, this study was carried out in two phases: Phase 1 (cadaveric study); in which the heads of three donkey cadavers were used (one for preliminary anatomical investigation and two for evaluation of ultrasound-guided injection of 1ml of methylene blue 1% around each nerve) and phase 2 (live animal study); in which eight donkeys were randomly assigned for each of ultrasound-guided auriculopalpebral(using 1ml of lidocaine 2%) and retrobulbar nerve (using 6ml of lidocaine 2%) blocks on different eye sides of the same animal. In Phase 1, the landmarks for ultrasound-guided injection of auriculopalpebral and retrobulbar nerve blocks were determined. Staining of the proposed nerves with methylene blue under ultrasound guidance was also assessed. In phase 2, success and complications following nerve blocks were determined. Ear dropping and akinesia were recorded 5±0.5minutes after auriculopalpebral nerve block and lasted for 42±3 minutes. Exophthalmoses of the eyeball, mydriasis, immobility of the globe and corneal anesthesia were evident 6±1 minutes following retrobulbar nerve blocks and lasted for about 100±11 minutes. No complications were recorded following nerve blocks. On conclusion, ultrasound guidance could be useful tool for successful and safe auriculopalpebral and retrobulbar nerve blocks in donkeys. | ||
| Keywords | ||
| Donkey; Retrobulbar; Auriculopalpebral; Nerve block; and Ultrasound-guided | ||
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