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[Cervical epidural anesthesia for upper extremity surgery using three different formulations of local anesthetics]
Uriah Guevara-López1, Juan Bárcenas-Olivares, Bernardo Gutiérrez-Sougarret
1División de Investigación, UMAE Magdalena de las Salinas, IMSS, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán. uriahguevara@hotmail.com
Objective:
To evaluate the efficiency and safety of the cervical epidural blockade (CEB) in upper extremity surgery, using lidocaine 2%, bupivacaine 5% and a mixture of both local analgesics.
Material And Methods:
Eighty five patients were submitted to upper limb surgery under CEB. They were assigned into one of three groups: group I received 100 mg of 2% lidocaine; group II received 30 mg of 0.5% bupivacaine, and group III received a mixture of 60 mg of 2% lidocaine and 15 mg of 0.5% bupivacaine. We evaluated their effects on vital signs, blockade quality, adverse effects, and patient comfort.
Results:
Anesthesiologist and surgeon evaluated the technique as "good" in 80% of the patients. Significant differences were found for motor blockade. Group II developed complete motor block (100%). Observed adverse effects were vomiting in groups II and III and dural puncture was present in 6.7% of the cases in group II.
Conclusions:
This study confirms the safety of cervical epidural anesthesia for upper limb surgery using three different formulations of local anesthetics.
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