Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1590/S0034-70942012000600006
Brazilian Journal of Anesthesiology
Scientific Article

Avaliação da eficácia de bupivacaína embebida em Gelfoam® no local do enxerto ósseo de crista ilíaca

Evaluation of the efficacy of bupivacaine soaked in Gelfoam® at the iliac crest bone graft site

Mehmet Gamli; Ali Dalgic; Dilsen Ornek; Eyüp Horasanli; Oya Kilci; Canan Un; Bayazit Dikmen

http://dx.doi.org/10.1590/S0034-70942012000600006 Braz J Anesthesiol, vol.62, n6, p.815-819, 2012
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Resumo

JUSTIFICATIVA E OBJETIVOS: Um número considerável de pacientes relata dor após coleta de enxerto da crista ilíaca anterior. Este estudo avaliou a eficácia da aplicação de bupivacaína embebida em uma esponja de gelatina absorvível (Gelfoam®) no local doador de osso e do uso parenteral de opioides no controle da dor pós-operatória. MÉTODO: Estudo prospectivo, duplo-cego, randomizado e controlado por placebo comparando a infiltração no período intraoperatório de 20 mL de bupivacaína (tratamento, grupo B) versus soro fisiológico (placebo) com Gelfoam embebida no local de coleta óssea da crista ilíaca em pacientes submetidos à cirurgia eletiva de coluna cervical. No período pós-operatório, a administração de cloridrato de hidromorfona (na sala de recuperação pós-anestésica e analgesia controlada pelo paciente) foi padronizada. Um escore de dor com base em escala visual analógica (EVA) com pontuação de zero a 10 foi usado para avaliar a intensidade da dor associada ao local doador. Os escores de dor e uso/frequência de narcóticos foram registrados 24 e 48 horas após a operação. Os médicos, pacientes, a equipe de enfermagem e os estatísticos desconheciam o tratamento usado. RESULTADOS: Os grupos eram semelhantes em idade, gênero e comorbidades. Não houve diferença significativa entre os grupos nos escores da EVA. As doses de narcótico foram significativamente menores no grupo B nos tempos de 24 e 48 horas (p < 0,05). CONCLUSÃO: Este estudo demonstrou que bupivacaína embebida em esponja de gelatina absorvível no local de coleta do enxerto ósseo de crista ilíaca (EOCI) reduziu o uso parenteral de opioides no pós-operatório.

Palavras-chave

ANESTÉSICOS, Local, bupivacaína, CIRURGIA, Transplante, Ortópedica, discotomia, Técnicas Hemostáticas

Abstract

BACKGROUND AND OBJECTIVE: A substantial number of patients report pain after graft harvest from the anterior iliac crest. This study examined the efficacy of local application of bupivacaine soaked in a Gelfoam® at the bone donor site in controlling postoperative pain and parenteral opioid use. METHOD: We performed a prospective, double-blind, randomized, placebo-controlled study comparing intraoperative infiltration of 20 mililiters of bupivacaine (treatment, group B) versus saline (placebo), with Gelfoam® soaked into the iliac crest harvest site for patients undergoing elective cervical spinal surgery. Postoperative administration of dihydromorphinone hydrochloride (post anesthesia care unit and patient-controlled analgesia) was standardized. A pain score based on a 10-point visual analog scale (VAS). was used to assess the severity of pain associated with donor site. Pain scores and narcotic use/frequency were recorded at the twenty-four and forty-eighth hour after the operation. Physicians, patients, nursing staff, and statisticians were blinded to the treatment. RESULTS: The groups were similar in baseline age, gender, and comorbidities. There was no significant difference between groups in VAS scores. Narcotic dosage, were significantly less in the Group B at 24 and 48 hours (p < 0.05). CONCLUSION: This study has demonstrated that bupivacaine soaked in gelfoam at the iliac bone graft harvest site reduced postoperative parenteral opioid usage.

Keywords

Bupivacaine, Bone Transplantation, Diskectomy, Gelatin Sponge, Absorbable

Referências

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