OBJECTIVE: To (1) measure C-reactive protein (CRP) and high mobility group box 1 (HMGB1) and (2) evaluate their prognostic value and relationship to severity of systemic inflammatory response syndrome, routine hematological and acid-base parameters in dogs with gastric dilatation volvulus (GDV). DESIGN: Prospective observational study from September 2010 to June 2012. SETTING: Veterinary teaching hospital. ANIMALS: Forty-one client-owned dogs with GDV. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Blood was collected before surgery (baseline), postsurgery, 6-10 hours postsurgery, and 18-22 hours postsurgery. CRP and HMGB1 were measured in all samples, and routine hematological, biochemical, and acid-base analyses were performed. Only baseline and postsurgery samples were used from nonsurvivors (n = 10). CRP increased significantly from postsurgery sampling to 18-22 hours postsurgery, while HMGB1 did not change over time. There was a significant difference in HMGB1 between survivors and nonsurvivors over time. Both proteins correlated with systemic inflammatory response syndrome severity, total leukocyte, segmented neutrophils, and band counts. HMGB1 correlated also with acid-base parameters (pH, bicarbonate, base excess). CONCLUSION: HMGB1 and CRP behaved differently in regards to their kinetic patterns, with HMGB1 appearing to better reflect the severity of tissue injury in dogs with GDV than CRP.

Department of Physiology Brno Czech Republic

Integrated Center of Cellular Therapy St Annes´s University Hospital International Clinical Research Center Brno Brno Czech Republic

Small Animal Clinic Department of Surgery and Orthopedics Brno Czech Republic

Small Animal Clinical Laboratory University of Veterinary and Pharmaceutical Sciences Brno Brno Czech Republic

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