Cardiovascular disturbances related to prolonged anesthesia in dogs | Kardiovaskularni poremećaji indukovani produženom anestezijom kod pasa
2011
Spasojević-Kosić, Lj., Poljoprivredni fakultet, Novi Sad (Serbia) | Trailović, D.R., Fakultet veterinarske medicine, Beograd (Serbia)
As major surgical procedures, which last longer, are associated with signifi cant hemodynamic changes, it is unclear how much the duration of both anesthesia and surgery has an indipendant eff ect on the outcomes. In this work the infl uence of six hours’ anesthesia was studied on 10 dogs, under no surgery. Prolonged anesthesia was evaluated by direct blood pressure measurement, ecg monitoring and urine collection. During prolonged anesthesia in dogs, decreases of systolic (SAP) (p is less than 0.05, p is less than 0,01), mean (MAP) (p is less than 0.05) blood pressure, heart rate (p is less than 0.05, p is less than 0.01, p is less than 0.001) and urine output (p is less than 0.01, p is less than 0.001), were significant, but the regularity of heart rhythm was maintained. Although blood pressure is preserved within autoregulatory range, the coexisting values of mean blood pressure and heart rate, and T wave polarity changes, point out to existence of myocardial ischemia.
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