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[The effect of the local anesthetic temperature on spinal anesthesia using 0.5% bupivacaine]. 1992

D Mignonsin, and D A Tavares, and M Kane, and A Bondurand
Département d'Anesthésie, Abidjan, RCI.

The aim of this study was to compare spinal anaesthesia with 0.5% bupivacaine at 20 degrees C and 5 degrees C. One hundred two patients ASA I-II were randomized into two groups. After atropine and IV fluid administration, patients of group I received intrathecally at L3-L4 level 0.02 ml.cm-1 of plain 0.5% bupivacaine at 20 degrees C, while patients of group II received the same solution and the same doses but at 5 degrees C. No significant difference was found between the times for installation of sensory and motor blocks nor between the durations of motor block in the two groups. On the other hand significant differences were found between the durations of sensory block in group I (283.33 min +/- 9.40 min) and group II (314.35 +/- 8.80 min) (P < 0.001) and all the more (P < 10(-9)) between the cephalad block extensions in group I (D 7.45 +/- 0.14) and group II (D 4.82 +/- 0.20). Therefore plain bupivacaine 0.5%, isobaric at 20 degrees C, seems to get the properties of an hyperbaric solution when cooled at 5 degrees C.

UI MeSH Term Description Entries
D002045 Bupivacaine A widely used local anesthetic agent. 1-Butyl-N-(2,6-dimethylphenyl)-2-piperidinecarboxamide,Bupivacain Janapharm,Bupivacain-RPR,Bupivacaina Braun,Bupivacaine Anhydrous,Bupivacaine Carbonate,Bupivacaine Hydrochloride,Bupivacaine Monohydrochloride, Monohydrate,Buvacaina,Carbostesin,Dolanaest,Marcain,Marcaine,Sensorcaine,Svedocain Sin Vasoconstr,Bupivacain RPR
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000775 Anesthesia, Spinal Procedure in which an anesthetic is injected directly into the spinal cord. Anesthesias, Spinal,Spinal Anesthesia,Spinal Anesthesias
D013514 Surgical Procedures, Operative Operations carried out for the correction of deformities and defects, repair of injuries, and diagnosis and cure of certain diseases. (Taber, 18th ed.). Surgical Procedures,Ghost Surgery,Operative Procedures,Operative Surgical Procedure,Operative Surgical Procedures,Procedure, Operative Surgical,Procedures, Operative Surgical,Surgery, Ghost,Surgical Procedure, Operative,Operative Procedure,Procedure, Operative,Procedure, Surgical,Procedures, Operative,Procedures, Surgical,Surgical Procedure

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