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Extradural analgesia in labour
Author(s) -
ALLEN PHILIP R.,
JOHNSON ROBERT W.
Publication year - 1979
Publication title -
anaesthesia
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/j.1365-2044.1979.tb08532.x
Subject(s) - medicine , anesthesia , blockade , bupivacaine , incidence (geometry) , lumbar , surgery , physics , receptor , optics
Chloroprocaine hydrochloride 2% and bupivacaine hydrochloride 0.375% in 10-ml doses of plain solutions were studied in a randomised blind manner as the agents for continuous lumbar extradural analgesia in labour. Twenty-four patients were assessed for the speed of onset, duration of action, degree of motor blockade, dermatomal spread, arterial hypotension, and the incidence of unblocked segments. Chloroprocaine showed a quicker onset time and a shorter duration of action than bupivacaine. Chloroprocaine exhibited more marked motor blockade and a lower incidence of unblocked segments. The dermatomal spread and effect on arterial pressure were similar in both groups.