• T Saito, E T Gallagher, S Cutler, K Tanuma, K Yamada, N Saito, K Maruyama, and C Carlsson.
• Department of Anesthesiology, Nippon Medical School, Tama-Nagayama Hospital, Tokyo, Japan.
• Reg Anesth. 1996 Jul 1;21(4):304-7.

Background And ObjectivesThe authors previously reported a case in which injection of local anesthetic posterior to the endothoracic fascia at the T11 vertebral level gave rise to extended analgesia in thoracic and lumbar dermatomes. They now report a study in which this type of anesthesia was used in patients undergoing herniorrhaphy.MethodsA 12-mL dose of 2% mepivacaine was injected at the T11 level posterior to the endothoracic fascia in 15 patients.ResultsOn average, seven dermatomes could be blocked with this dose and with a single injection. Nine patients experienced adequate analgesia and underwent operation with no additional sedation. In three patients the block resulted in inadequate analgesia, and additional sedative drugs were used. Three patients experienced no analgesia and were given general anesthesiaConclusionInjection of local anesthetic posterior to the endothoracic fascia resulted in extended unilateral anesthesia that was adequate for herniorrhaphy in 9 of the 15 patients (60%) studied.

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