• Marcio Dias, Norton Moritz Carneiro, Luiz Antônio Vanni Guerra, Guillermo Coca Velarde, Pedro Assaf Teixeira de Souza, Lidiane Luiz Damásio da Silva, Rafael Ramalho de Abreu e Souza, Roberta Nolasco, and Beni Olej.
• Community Health Institute, Fluminense Federal University, Rio de Janeiro, Brazil. mdiasmdias@gmail.com
• Acupunct Med. 2010 Jun 1;28(2):65-70.

ObjectiveTo assess the effect of electroacupuncture (EA), akin to percutaneous electroneurostimulation, on pain and biochemical measures during and after inguinal hernia repair.MethodsThirty-three patients were randomised to EA (n=16) or sham transcutaneous electrical nerve stimulation (TENS) control (n=17). EA was applied at different frequencies, through needles inserted around the incision, over selected peripheral nerve branches and in the ear, from 30 min before surgery until the end of surgery, when needles were removed. All patients also received routine sedation and local anaesthesia.ResultsThere was no difference between the pain scores in the groups receiving EA and sham TENS in the immediate postoperative period, which may be owing to adequate levels of analgesia from conventional techniques. On the fourth and seventh postoperative days, less pain and lower consumption of analgesic drugs were reported in the treatment group. Seroma occurred more frequently in the control group, which also had higher glucose blood levels in the immediate postoperative surgery period. The single case of chronic postoperative pain occurred in the control group.ConclusionsThe sample size was too small to draw any conclusions about the effect of EA on pain and other parameters following inguinal hernia surgery, but our observations suggest that future studies in this area are justified.

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