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Massive transfusion in dogs: 15 cases (1997–2001)

L. Ari JutkowitzDepartment of Clinical Sciences, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536.

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Elizabeth A. RozanskiDepartment of Clinical Sciences, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536.

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 DVM, DACVIM, DACVECC
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Jennifer A. MoreauDepartment of Clinical Sciences, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536.

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John E. RushDepartment of Clinical Sciences, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536.

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 DVM, MS, DACVIM, DACVECC

Abstract

Objective—To determine clinical characteristics of dogs that received massive transfusion and identify the underlying diseases, complications, and outcomes.

Design—Retrospective study.

Animals—15 dogs.

Procedure—Medical records of dogs receiving a massive blood transfusion were evaluated for transfusion volume, underlying disease process or injury, benefits and complications of transfusion, and outcome. A massive transfusion was defined as transfusion of a volume of blood products in excess of the patient's estimated blood volume (90 ml/kg [40 ml/lb]) in a 24-hour period or transfusion of a volume of blood products in excess of half the patient's estimated blood volume in a 3-hour period.

Results—Six dogs had intra-abdominal neoplasia resulting in hemoabdomen, 3 had suffered a traumatic incident resulting in hemoabdomen, and 6 had nontraumatic, non-neoplastic blood loss. Mean volumes of packed RBC and fresh-frozen plasma administered were 66.5 ml/kg (30 ml/lb) and 22.2 ml/kg (10 ml/lb), respectively. All dogs evaluated developed low ionized calcium concentrations and thrombocytopenia. Transfusion reactions were recognized in 6 dogs. Four dogs survived to hospital discharge.

Conclusions and Clinical Relevance—Results suggest that massive transfusion is possible and potentially successful in dogs. Predictable changes in electrolyte concentrations and platelet count develop. (J Am Vet Med Assoc 2002;220:1664–1669)

Abstract

Objective—To determine clinical characteristics of dogs that received massive transfusion and identify the underlying diseases, complications, and outcomes.

Design—Retrospective study.

Animals—15 dogs.

Procedure—Medical records of dogs receiving a massive blood transfusion were evaluated for transfusion volume, underlying disease process or injury, benefits and complications of transfusion, and outcome. A massive transfusion was defined as transfusion of a volume of blood products in excess of the patient's estimated blood volume (90 ml/kg [40 ml/lb]) in a 24-hour period or transfusion of a volume of blood products in excess of half the patient's estimated blood volume in a 3-hour period.

Results—Six dogs had intra-abdominal neoplasia resulting in hemoabdomen, 3 had suffered a traumatic incident resulting in hemoabdomen, and 6 had nontraumatic, non-neoplastic blood loss. Mean volumes of packed RBC and fresh-frozen plasma administered were 66.5 ml/kg (30 ml/lb) and 22.2 ml/kg (10 ml/lb), respectively. All dogs evaluated developed low ionized calcium concentrations and thrombocytopenia. Transfusion reactions were recognized in 6 dogs. Four dogs survived to hospital discharge.

Conclusions and Clinical Relevance—Results suggest that massive transfusion is possible and potentially successful in dogs. Predictable changes in electrolyte concentrations and platelet count develop. (J Am Vet Med Assoc 2002;220:1664–1669)