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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

Print version ISSN 0102-0935On-line version ISSN 1678-4162

Abstract

RABELO, R.C.; MELO, M.M.; SILVA JUNIOR, P.G.  and  LUCIA, M.. Evaluation of venous and arterial blood pressures in dogs submitted to hypotension. Arq. Bras. Med. Vet. Zootec. [online]. 2005, vol.57, n.6, pp.741-748. ISSN 0102-0935.  http://dx.doi.org/10.1590/S0102-09352005000600006.

The peripheral venous pressure (PVP), the central venous pressure (CVP), the invasive (IAP) and non-invasive blood pressure (NIAP) in dogs submitted to different hypotensive events were studied. Fifteen adult mongrel dogs were randomly divided in three groups with five animals each, and submitted to hypotensive event as follow: GI - xylazine chloride 2%, GII - acute hypovolemic shock and GIII - snake venom (Bothrops moojeni). All animals were evaluated for 30 minutes after starting hypotensive event, treated with yoimbine chloride (GI), colloid hetastarch 6% (GII) and ketoprofen (GIII) and reevaluated for more 30 minutes. Only the group II dogs showed PVP decrease after hypotensive event, and increase 25 minutes after treatment. In animals of groups II and III, the CVP decreased after hypotensive event and only in GII dogs there was mild increase, five minutes after treatment. The groups II and III dogs showed IAP and NIAP decrease after hypotensive event and gradation recuperation immediately after treatment only in IAP.

Keywords : dog; xylazine; yoimbine; hypovolemic shock; colloid; Bothrops; moojeni; ketoprofen.

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