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Evaluation of postoperative residual analgesia of two solutions used for local anesthesia by tumescence in bitches who underwent a unilateral mastectomy / Avaliação da analgesia residual pós-operatória de duas soluções utilizadas para anestesia local por tumescência em cadelas submetidas à mastectomia unilateral

Gomes, Lianna Ghisi; Pytlak, Deborah Braga; Amaral, Ângela Renata Bólico do; Sônego, Dábila Araújo; Monzem, Samuel; Campos, Giulia Maria Dilda; Souza, Marcos de Almeida; Ribeiro, Alexandre Pinto; Flôres, Fabíola Niederauer; Guimarães, Luciana Dambrósio.
Acta Sci. vet.; 46: 1-5, 2018. tab
Artigo em Português | VETINDEX | ID: vti-19143


Background: Breast tumors are common and require surgical treatment. A mastectomy causes edema, inflammation, and moderate to severe pain; therefore, analgesics should be used efficiently during the trans and postoperative periods. Tumescence anesthesia has been studied in veterinary medicine; however, there is limited literature on the comparison of the constituents of the different solutions and the most suitable protocol. The objective of this study was to evaluate the residual postoperative analgesia of two solutions through the Melbourne, Modified Glasgow for dogs (EGM), and Visual Analogue (EVA) scales in bitches who underwent a unilateral mastectomy.Materials, Methods & Results: Twelve bitches, weighing between 5 and 15 kg and aged between 5 and 13 years old, were included in the study. To determine if the animals were medically fit to undergo the procedure, they were evaluated by clinical examination, laboratory testing (complete blood count, serum biochemistry [urea, creatinine and alanine aminotransferase/ALT], and imaging (thorax x-ray and abdominal ultrasonography). Patients were randomly divided into two groups. One group received a lidocaine-containing tumescent solution (GTL) that consisted of 210 mL of lactated Ringers solution (at a temperature between 8 and 12°C), 40 mL of 2% lidocaine hydrochloride without vasoconstrictor, and 0.5 mL of adrenaline (1 mg/mL). The other group received ropivacaine (GTR) with 233.3 mL of lactated Ringers solution (at the same temperature as the previous groups), 16.7 mL of ropivacaine (7.5 mg/mL), and 0.5 mL of adrenaline (1 mg/mL). Both groups received a combination of acepromazine (0.04 mg/kg) and meperidine (2 mg/kg) as preanesthetic medication (MPA), followed by induction using propofol (to effect) and maintenance using isoflurane. The solutions were infused subcutaneously (SC) 5 min after stabilization of the anesthetic plane.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1