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Papers by Enrique Sierra
Ambulatory Surgery, 1996
Objective: 'To test the hypothesis that local infiltration with buptvacaine at the time of hernio... more Objective: 'To test the hypothesis that local infiltration with buptvacaine at the time of herniorrhaph>i would decrease postoperative pain. Design: Sixty-five patients in whom a polypropylene mesh was implanted to treat an inguinal hernia were included in a random double-blind study. Operative anaesthesia was intrddural with prilocaine 5%. 1.25 mgikg. After the procedure. an ilioinguinal and iliohypogastric block was performed by infiltration of soft tissues with 0.1'; n&kg of either bupivacaine 0.5% or NaCl 9 g/l. Postoperative pain was assessed with an analog pain scale, (range 0 5) in the recovery room. 8 h later and 24 h later. The patient assessed the pain 24 h after surgery (range O-5) and the relationship with the pain hr expected (range O-2). The time when the first dose of analgesia (diclofenac 75 mg i.v.) was given was also noted (range O-6). A score (range O-28) was calculated to quantify postoperative pain. Results: Thirty-three patients were infiltrated with bupivacaine and B2 patients received placebo. Both groups were similar in sex, age, weight and operating time (44 (20 min)). No pain vvas reported for bupivacaine (score 1.4 (0.9)) and minor pain for placebo (score 2.1 (1.0)) in the recovery room (P < 0.05). Further pain assessment was similar in both groups (scores range: 1 .I-1.5). The first dose of analgesia was administered 2-3 h postoperatively (score 4.4 (2.0)) in the placebo group and 4 to 5 h postoperatively (score 2.9 (2.4)) in the bupivacaine group (P < 0.05). The final postoperative pain score was 11.3 (3.9) in the placebo group and 9.2 (4.4) in the bupivacdine group (P < 0.05). Conclusions: Local infiltration of the abdominal wall with bupivacaine reduces immediate postoperative pain and delays the ;tdmmrstration oi postoperative analgesia.
Ambulatory Surgery, 1996
Objective: 'To test the hypothesis that local infiltration with buptvacaine at the time of hernio... more Objective: 'To test the hypothesis that local infiltration with buptvacaine at the time of herniorrhaph>i would decrease postoperative pain. Design: Sixty-five patients in whom a polypropylene mesh was implanted to treat an inguinal hernia were included in a random double-blind study. Operative anaesthesia was intrddural with prilocaine 5%. 1.25 mgikg. After the procedure. an ilioinguinal and iliohypogastric block was performed by infiltration of soft tissues with 0.1'; n&kg of either bupivacaine 0.5% or NaCl 9 g/l. Postoperative pain was assessed with an analog pain scale, (range 0 5) in the recovery room. 8 h later and 24 h later. The patient assessed the pain 24 h after surgery (range O-5) and the relationship with the pain hr expected (range O-2). The time when the first dose of analgesia (diclofenac 75 mg i.v.) was given was also noted (range O-6). A score (range O-28) was calculated to quantify postoperative pain. Results: Thirty-three patients were infiltrated with bupivacaine and B2 patients received placebo. Both groups were similar in sex, age, weight and operating time (44 (20 min)). No pain vvas reported for bupivacaine (score 1.4 (0.9)) and minor pain for placebo (score 2.1 (1.0)) in the recovery room (P < 0.05). Further pain assessment was similar in both groups (scores range: 1 .I-1.5). The first dose of analgesia was administered 2-3 h postoperatively (score 4.4 (2.0)) in the placebo group and 4 to 5 h postoperatively (score 2.9 (2.4)) in the bupivacaine group (P < 0.05). The final postoperative pain score was 11.3 (3.9) in the placebo group and 9.2 (4.4) in the bupivacdine group (P < 0.05). Conclusions: Local infiltration of the abdominal wall with bupivacaine reduces immediate postoperative pain and delays the ;tdmmrstration oi postoperative analgesia.