What is it about?
This manuscript describes the gross and microscopic anatomy of the sciatic nerve paraneural sheath and it describes the development of an ultrasound-guided subparaneural approach to the sciatic nerve in dogs, comparing two different volumes of injectate.
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Why is it important?
The tibial and the common peroneal nerves have historically been described as enfolded by a “common epineural sheath". In humans, we now know that this sheath is an anatomical entity distinct from the epineurium, hence renamed “paraneural sheath”. A local anesthetic injection performed within it results in a faster onset, higher success rate and more uniform blockade of both components of the sciatic nerve. But, such a structure was never described in dogs before.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations.
Dr Ludovica Chiavaccini
North Carolina State University
Read the Original
This page is a summary of: An ultrasound-guided subparaneural approach to the sciatic nerve in the dog: A cadaver study, Veterinary Anaesthesia and Analgesia, October 2020, Elsevier,
DOI: 10.1016/j.vaa.2020.06.008.
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