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Year 2018 - Volume 38, Number 7
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Anesthetic complications in diabetic dogs subjected to phacoemulsification, 38(7):1423-1430
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ABSTRACT. - Pacheco P.F., Galeazzi V.S., Patrício G.C.F., Flôr P.B., Safatle A.V. & Cortopassi S.R.G. 2018. Anesthetic complications in diabetic dogs subjected to phacoemulsification. [Complicações anestésicas em cães diabéticos submetidos a facoemulsificação.] Pesquisa Veterinária Brasileira 38(7):1423-1430. Departamento de Cirurgia, Faculdade de Medicina Veterinária e Zooctenia, Universidade de São Paulo, Avenida Prof. Dr. Orlando Marques de Paiva 87, São Paulo, SP 05508-270, Brazil. E-mail: paulafink@usp.br
The aim of this paper was to compare the incidence of anesthetic complications in diabetic and nondiabetic dogs subjected to phacoemulsification. In total, 30 male and female dogs of different breeds were used. The dogs were distributed into two groups: diabetic (DG) (n=15) and control (CG) (n=15). The animals were premedicated with acepromazine (0.03mg/kg) and meperidine (4mg/kg), intramuscularly. After 20 minutes, anesthesia was induced with propofol (2 to 5mg/kg) and maintained with isoflurane. The animals were monitored and the heart rate, respiratory rate, peripheral oxyhemoglobin saturation, end tidal carbon dioxide tension, inspired and expired isoflurane fraction, and invasive arterial pressure were recorded at 10 minute intervals during the surgical procedure. Arterial hemogasometry was performed after anesthetic induction (T0) and at the end of the surgical procedure. Diabetic patients (DG 10±2 years) were older than non-diabetic group (CG 6±2 years). The expired isoflurane fraction after induction was 30% higher in the control group (CG 1.3±0.3%, DG 1.0±0.2%) (p<0.01). The most common anesthetic complication was hypotension. In total, 80% of the diabetic animals (n=12) exhibited mean arterial pressure (MAP) lower than 60mmHg (54±9.6mmHg) after anesthetic induction, and 83% of the hypotensive dogs (n=10) required vasoactive drugs to treat hypotension. Regarding hemodynamic changes, diabetic patients subjected to general anesthesia were more likely to exhibit hypotension which may be due to the response of older animals to the drugs used; however, this change deserves further investigation. |
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