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Aplicação intravenosa de metronidazol, ceftriaxona e enrofloxacina em cadelas anestesiadas com isoflurano: repercussão dos parâmetros hemodinâmicos e respiratórios / Intravenous application of metronidazole, ceftriaxone and enrofloxacin in dogs anesthetized with isoflurane: impact of hemodynamic and cardiorespiratory parameters

Gomide, Paula Regina Silva; Prada, Tiago Carmagnani; Filgueira, Fabrícia Geovânia Fernandes; Gering, Ana Paula; Escobar, André; Brondani, Juliana Tabarelli; Santarosa, Bianca Paola; Minto, Bruno Watanabe.
Acta sci. vet. (Impr.); 48: Pub.1753-Jan. 30, 2020. tab
Artigo em Português | VETINDEX | ID: biblio-1458276


Background: The prophylactic use of antimicrobials in patients undergoing surgery is widely performed due to its power to reduce and control infections in the surgical site. Metronidazole, ceftriaxone and enrofloxacin are drugs widely used in veterinary medicine, even during anesthesia, either in healthy patients or under critical conditions. Despite several reports on hemodynamic reactions after intravenous application of antimicrobials in dogs, there are few studies on these effects in dogs undergoing anesthesia. The objective of this study was to evaluate the hemodynamic and cardiorespiratory effects of metronidazole, ceftriaxone and enrofloxacin in dogs anesthetized with isoflurane. Materials, Methods & Results: Forty healthy bitches were used, equally divided into four experimental groups of 10 animals each: placebo group (PG), metronidazole group (MG), ceftriaxone group (CG) and enrofloxacin group (EG). After the experimental phase of data collection, all animals were submitted to ovariohysterectomy using the minimally invasive approach. A catheter was placed in the dorsal metatarsal artery for direct blood pressure monitoring, with systolic (SBP), mean (MBP) and diastolic (DBP) blood pressures were continuously monitored by means of a transducer connected to a multiparametric monitor. The others measured data were heart rate (HR), respiratory rate (RR), body temperature (T°C), carbon dioxide expired fraction (ETCO2), oxygen saturation of hemoglobin (SpO2) in T0 (time immediately before performing the treatment), 5 (T5), 10 (T10), 15 (T15), 20 (T20) and 30 (T30) minutes after administration of the antimicrobial. Anesthetic induction was performed with propofol and anesthetic maintenance was performed with isoflurane. After reaching anesthesia with a surgical plan, all parameters were measured before treatments were performed (T0). Then the...
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