Impairment of postural stability following perivascular axillary block with mepivacaine.
Perivascular axillary block was performed on 10 patients using a catheter technique. All patients received a standard dose of 50 ml mepivacaine 1% with adrenaline 1:200 000. Using a quantitative Romberg-test performed on a computerized force-plate system, postural stability was tested before and 40 min after the local anesthesia. There was a significant increase in body-sway following axillary block (P less than 0.01). Nine out of 10 patients had an increased sway-tendency, an average of 31%. A proportionate increase in postural imbalance has been found in normal persons after alcohol consumption, when blood levels were 0.8 mg/ml.
D000328:Adult; D001365:Axilla / Q000294:innervation; D005260:Female; D006801:Humans; D008297:Male; D008619:Mepivacaine / Q000009:adverse effects*; D008875:Middle Aged; D009407:Nerve Block / Q000009:adverse effects*; D004856:Postural Balance; D011187:Posture; D013997:Time Factors
D008619:Mepivacaine