Effect of intravenous administration of fluids on packed cell volume, blood pressure, and total protein and blood glucose concentrations in healthy halothane-anesthetized dogs

James Scott Gaynor From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Etta Mae Wertz From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Lynne Martha Kesel From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Geri Elizabeth Baker From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Chris Cecchini From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Kathy Rice From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Craig M. Mallinckrodt From the Department of Clinical Sciences (Gaynor, Wertz, Kesel, Baker, Cecchini, Rice), College of Veterinary Medicine and Biomedical Sciences, and Department of Statistics (Mallinckrodt), College of Natural Sciences, Colorado State University, Fort Collins, CO 80523.

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Objective

To determine the effects of IV administration of fluids on PCV, serum total protein and blood glucose concentrations, and systolic arterial pressure in healthy anesthetized dogs undergoing elective surgical procedures.

Design

Prospective, randomized controlled trial.

Animals

70 clinically normal dogs.

Procedure

Dogs received IV administration of 0, 5, 10, or 15 ml/kg of body weight/h of a polyionic crystalloid solution or 5% dextrose in water. Blood samples were collected before and after administration of medication, prior to anesthetic induction, after anesthetic induction, at the end of the surgical procedure, and 2 hours after surgery to determine PCV and serum total protein and blood glucose concentrations. Blood pressure was measured before and after anesthetic induction and at the end of the surgery.

Results

There were not any significant differences in PCV, total protein concentration, or systolic arterial pressure among treatment groups. Hyperglycemia developed in dogs receiving 5% dextrose in water, but resolved 2 hours after discontinuing administration of fluids.

Clinical Implications

Intravenous administration of fluids may not be necessary to maintain normal blood pressure in young, healthy dogs undergoing elective surgery. (J Am Vet Med Assoc 1996;208:2013-2015)

Objective

To determine the effects of IV administration of fluids on PCV, serum total protein and blood glucose concentrations, and systolic arterial pressure in healthy anesthetized dogs undergoing elective surgical procedures.

Design

Prospective, randomized controlled trial.

Animals

70 clinically normal dogs.

Procedure

Dogs received IV administration of 0, 5, 10, or 15 ml/kg of body weight/h of a polyionic crystalloid solution or 5% dextrose in water. Blood samples were collected before and after administration of medication, prior to anesthetic induction, after anesthetic induction, at the end of the surgical procedure, and 2 hours after surgery to determine PCV and serum total protein and blood glucose concentrations. Blood pressure was measured before and after anesthetic induction and at the end of the surgery.

Results

There were not any significant differences in PCV, total protein concentration, or systolic arterial pressure among treatment groups. Hyperglycemia developed in dogs receiving 5% dextrose in water, but resolved 2 hours after discontinuing administration of fluids.

Clinical Implications

Intravenous administration of fluids may not be necessary to maintain normal blood pressure in young, healthy dogs undergoing elective surgery. (J Am Vet Med Assoc 1996;208:2013-2015)

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