British Journal of Anaesthesia, Vol 81, Issue 2 121-125, Copyright © 1998 by The Board of Management and Trustees of the British Journal of Anaesthesia
T. Igarashi, Y. Hirabayashi, R. Shimizu, K. Saitoh and H. Fukuda
We examined the extradural space using a flexible extraduroscope in 113
patients undergoing extradural anaesthesia. Patients were classified into
two groups to receive either thoracic or lumbar extradural anaesthesia as
needed for perioperative analgesia. The extraduroscopy showed that the
thoracic extradural space becomes widely patent after injecting a given
amount of air and that the amount of fatty and fibrous connective tissue is
less in the thoracic extradural space compared with the lumbar extradural
space. We suggest that differences between the structure of these two
vertebral regions may affect the spread of local anaesthetics in the
extradural space.
CLINICAL INVESTIGATIONS
Thoracic and lumbar extradural structure examined by extraduroscope
Department of Anaesthesiology, Jichi Medical School, 3311-1 Yakushiji, Minamikawachi-machi, Kawachi-gun, Tochigi-ken 329-0498, Japan
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