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Subjective experiences of anesthesiologists undergoing epidural anesthesia.
Reg Anesth
December 1994
Department of Anesthesiology, Georgetown University School of Medicine, Washington, D.C.
Background And Objectives: This study reports subjective experiences of nine anesthesiologists undergoing three consecutive epidural anesthetics.
Methods: Eight anesthesiologists and one nurse anesthetist, all ASA physical status 1, underwent three lumbar epidural anesthetics as part of another study. Epidural catheters were inserted via a 17-gauge Tuohy needle without sedation after local anesthesia with pH adjusted lidocaine at the second, third, or fourth lumbar interspace.
Back pain after epidural anesthesia with chloroprocaine.
Anesthesiology
March 1993
Hospital for Special Surgery, Cornell University Medical College, New York, New York.
Background: Chloroprocaine has been associated with severe back pain after epidural anesthesia. Factors proposed to contribute to this problem are: 1) the preservative disodium ethylenediaminetetraacetic acid (EDTA), 2) large volumes of chloroprocaine, 3) low pH of chloroprocaine, and 4) local infiltration with chloroprocaine.
Methods: Using a prospective, balanced, randomized study design, 100 patients aged 18-65 yr who were undergoing outpatient knee surgery during continuous epidural anesthesia received one of five local anesthetics (all containing epinephrine 1:200,000).
A randomized, double-blind true experimental design with a post-test only was chosen to determine if the addition of sodium bicarbonate to 2-chloroprocaine would result in a longer duration of epidural analgesia, as well as increase the quality of pain relief in stage I parturients receiving a continuous bupivacaine epidural infusion. The experimental group (number (N) = 16) received sodium bicarbonate and 2-chloroprocaine followed by a continuous bupivacaine epidural infusion. The control group (N = 15) received normal saline and 2-chloroprocaine followed by a continuous bupivacaine epidural infusion.
View Article and Find Full Text PDFpH-adjustment of 2-chloroprocaine quickens the onset of epidural anaesthesia.
Can J Anaesth
September 1989
Department of Anesthesiology, Uniformed Services University of the Health Sciences, Bethesda, MD 20814.
The effect of pH-adjustment of three per cent 2-chloroprocaine (2-CP, Nesacaine MPF) on the onset, duration, and spread of epidural analgesia and anaesthesia was studied in patients undergoing lower extremity surgery. Forty ASA physical status I and II patients were randomized to two groups. In a double-blinded fashion, patients in both groups received an epidural injection of 15 ml of local anaesthetic (LA) solution via a Tuohy needle at the L3-4 interspace.
View Article and Find Full Text PDFThe influence of pH-adjusted 2-chloroprocaine on the quality and duration of subsequent epidural bupivacaine analgesia during labor: a randomized, double-blind study.
Anesthesiology
March 1989
Department of Anesthesia, University of Iowa College of Medicine, Iowa City.
A randomized, double-blind study was performed to determine whether pH-adjustment of 2-chloroprocaine hastens the onset of epidural analgesia, and improves the quality and duration of subsequent epidural bupivacaine analgesia during labor. One milliliter of either 8.4% sodium bicarbonate or normal saline was added to a 30-ml vial of 2% 2-chloroprocaine.
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