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  • Author or Editor: Elke Rudloff x
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Abstract

Objective—To determine effects of bovine hemoglobin glutamer-200 (Hb-200) solution on systolic arterial blood pressure (SAP) in hypotensive cats and describe potential adverse effects associated with this treatment.

Design—Retrospective case series.

Animals—44 cats.

Procedures—Medical records of hypotensive (Doppler SAP ≤ 80 mm Hg) cats that received Hb-200 treatment were reviewed. Volume and rate of Hb-200 administration, treatments for hypotension given prior to Hb-200 administration, changes in SAP, potential adverse effects, and short-term outcome were evaluated.

Results—44 cats were included in the study. Mean ± SD SAP prior to Hb-200 administration was 52 ± 11 mm Hg, despite other treatments. Forty-three cats received Hb-200 via IV bolus administration (mean ± SD volume, 3.1 ± 2.2 mL/kg [1.41 ± 1.0 mL/lb] over 25.17 ± 17.51 minutes); 1 cat received a continuous rate infusion (CRI) only. The SAP increased to > 80 mm Hg in 33 of 44 (75%) cats. The SAP increased > 20 mm Hg above baseline value in 29 of these 33 cats and in 4 cats in which SAP did not exceed 80 mm Hg. A CRI (mean ± SD rate, 0.8 ± 0.5 mL/kg/h [0.36 ± 0.23 mL/lb/h]) of Hb-200 was administered to 37 cats (after bolus infusion in 36). Mean SAP during the CRI was 92 ± 18 mm Hg. Adverse effects included respiratory changes (n = 8 cats), vomiting (2), and pigmented serum (30). Seventeen (39%) cats survived to discharge from the hospital, 6 died, and 21 were euthanized.

Conclusions and Clinical Relevance—Hb-200 effectively increased SAP in hypotensive cats with few adverse effects.

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in Journal of the American Veterinary Medical Association

Abstract

Objective—To characterize clinical features of tracheal rupture associated with endotracheal intubation in cats and to evaluate the most appropriate treatment for this condition.

Design—Retrospective study.

Animals—20 cats with a history of endotracheal intubation that subsequently developed dyspnea or subcutaneous emphysema.

Procedure—Medical records of cats with a presumptive diagnosis of tracheal rupture associated with intubation were reviewed. Clinical and clinicopathologic data were retrieved.

Results—Cats were evaluated 5 hours to 12 days after a surgical or medical procedure requiring general anesthesia with intubation had been performed. Fourteen (70%) cats were evaluated after dental prophylaxis. All cats radiographed had pneumomediastinum and subcutaneous emphysema. Eighteen of 19 cats were initially treated medically. Duration of medical treatment for cats that did not have surgery ranged from 12 to 72 hours. Cats that had surgery received medical treatment 3 to 24 hours prior to the surgical procedure. Medical treatment alone was administered to 15 cats that had moderate dyspnea, whereas surgical treatment was chosen for 4 cats that had severe dyspnea (open-mouth breathing despite treatment with oxygen) or worsening subcutaneous emphysema. Eighteen cats had improvement of clinical signs, 1 cat died after surgery, and 1 cat died before medical or surgical intervention.

Conclusion and Clinical Relevance—Most cats with tracheal rupture associated with intubation can be treated medically. Cats with worsening clinical signs (severe dyspnea, suspected pneumothorax, or worsening subcutaneous emphysema) should have surgery performed immediately to correct the defect. (J Am Vet Med Assoc 2000;216:1592–1595)

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in Journal of the American Veterinary Medical Association