Paresthesia in Spinal Anesthesia
نویسندگان
چکیده
Spinal anesthesia is induced by injecting small amounts of local anesthetic into the cerebrospinal fluid (CSF), which solution must be capable of blocking nerve paths, and non-toxic, that is, it should not hinder the proper functioning of the bulbar centers, or interfere with the metabolic processes of the more important organs. The injection is usually made in the lumbar spine below the level at which the spinal cord ends (L2). Recently the anatomy of the thoracic spinal canal was investigated with magnetic resonance image (RMI) 19 1 and 50 2 patients, and it has been demonstrated the safety of the segmental spinal anesthesia at T10 by using the combined spinal-epidural technique 3 or single puncture 4.
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