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Fig. 2 | Irish Veterinary Journal

Fig. 2

From: Thoracolumbar retrolaminar block in seven dogs undergoing spinal surgery

Fig. 2

Photographic view of a T13 left-sided retrolaminar injection, performed in Case 1. The puncture site is located approximately 1 cm lateral to the midline at the level of the spinous process of T13. The 21G, 1.4-inch hypodermic needle should be advanced at a 45O angle to the skin, in a caudoventral direction through the epaxial muscles until contact with the lamina is achieved and should remain in a strict parasagittal plane to avoid risk of inadvertent pleural (further lateral from the spinous process) or epidural injection (further medial to the spinous process). After contact with the lamina is achieved, the syringe is attached to the needle and bupivacaine is injected once negative blood aspiration is confirmed

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