title: Effects of epidural needle rotation and different speeds of injection on the distribution of epidural block.
abstract: This prospective, randomised study examined the effect of injection speeds for unilateral epidural anesthesia on block characteristics, hemodynamic parameters, and discharge criteria in 60 patients. Levobupivacaine 5% was administered to Group F over 1 min (fast) and to Group S over 3 min (slow) (n=30 each) with the needle angulated at 5°-10° from the midline. Unilateral epidural block was significantly more successful in Group S than in Group F (70.3% vs. 16%; p<0.001). On the non-operated sides in group S, the maximal sensorial block time was shorter and the regression time for 2 segments was longer (p<0.05). And the walk-out time was longer in group F (p<0.05). We consider that the slow administration of local anesthetic in unilateral epidural anesthesia is more effective than rapid administration.
authors.affiliation: Anaesthesia and Reanimation Department, Ankara Numune Training and Research Hospital, Ankara, Turkey.
authors.forename: Ozlem
authors.initials: O
authors.lastname: Sen
authors.forename: N
authors.initials: N
authors.lastname: Ferah Donmez
authors.forename: Dilsen
authors.initials: D
authors.lastname: Ornek
authors.forename: Dilek
authors.initials: D
authors.lastname: Kalayci
authors.forename: Mahmut
authors.initials: M
authors.lastname: Arslan
authors.forename: Bayazit
authors.initials: B
authors.lastname: Dikmen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural / Q000295:instrumentation* / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009339:Needles; D011446:Prospective Studies; D012399:Rotation; D055815:Young Adult
chemical_list: D000779:Anesthetics, Local