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KMID : 0893420190200030021
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Journal of Veterinary Science
2019 Volume.20 No. 3 p.21 ~ p.21
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Tidal volume in mechanically ventilated dogs: can human strategies be extrapolated to veterinary patients?
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Donati Pablo A.
Plotnikow Gustavo
Benavides Gloria
Belerenian Guillermo
Jensen MarioVeterinary Clinic Desivet
Londono Leonel
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Abstract
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This paper compares and describes the tidal volume (Vt) used in mechanically ventilated dogs under a range of clinical conditions. Twenty-eight dogs requiring mechanical ventilation (MV) were classified into 3 groups: healthy dogs mechanically ventilated during surgery (group I, n = 10), dogs requiring MV due to extra-pulmonary reasons (group II, n = 7), and dogs that required MV due to pulmonary pathologies (group III, n = 11). The median Vt used in each group was 16 mL/kg (interquartile range [IQR], 15.14?21) for group I, 12.59 mL/kg (IQR, 9?14.25) for group II, and 12.59 mL/kg (IQR, 10.15?14.96) for group III. The Vt used was significantly lower in group III than in group I (p = 0.016). The thoraco-pulmonary compliance was significantly higher in group I than in groups II and III (p = 0.011 and p = 0.006, respectively). The median driving pressure was similar among the groups with a median of 9, 11, and 10 cmH2O in groups I, II, and III, respectively (p = 0.260). Critically-ill dogs requiring MV due to the primary pulmonary pathology received a significantly lower Vt than healthy dogs but with a range of values that were markedly higher than those recommended by human guidelines.
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KEYWORD
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Ventilator-induced lung injury, mechanical ventilation, Compliance, tidal volume
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