ABT is an adjunct to volume replacement in dogs with thoracic or abdominal hemorrhage secondary to vascular trauma, ruptured tumor, or anticoagulant rodenticide toxicosis. ABT may be used as bridge to definitive hemorrhage control, particularly when other blood products are not available or affordable. Complications may include hypocalcemia, prolonged coagulation times, and hemolysis.
Objective: The objective of this study was to evaluate the incidence of circulating detectable serum levels of cardiac troponin I (CTnI) and circulating detectable serum levels of cardiac troponin T (CTnT) in dogs with class IV congestive heart failure (CHF) due to mitral valve disease (MVD) at admission. An additional study aim was to determine if detectable troponin levels correlated with the magnitude of several clinical parameters.
Design: Prospective clinical investigation.
Setting: Small animal emergency and critical care referral hospital.
Interventions: Blood was collected before emergency treatment from 15 dogs presenting in class IV CHF due to MVD.
Measurements: Serum concentrations of CTnI, CTnT at presentation.
Main results: Six dogs (40%) had a detectable CTnI (median 0.24, range 0.12–0.31 ng/mL), and the remainder were less than 0.1 ng/mL and deemed non‐detectable. The one dog (7%) that had a detectable CTnT (0.02 ng/mL) also had a detectable CTnI (0.23 ng/mL). There was no statistical difference in survival to discharge between dogs with non‐detectable troponin levels and those with detectable troponin levels; however, dogs with detectable troponin levels had shorter overall survival times. Dogs with a detectable level of CTnI had a median survival of 67.5 days (range 1–390 days), and dogs with a non‐detectable level of CTnI had a median survival time of 390 days (range 20–912 days) (P=0.02).
Conclusion: This study suggests that CTnI can be detected at admission in the blood of 40% of dogs with class IV CHF due to MVD. Dogs with non‐detectable levels of cardiac troponins had a significantly longer overall survival time. The encouraging results of this small pilot study warrant further investigation.
OBJECTIVE To determine the incidence of blood transfusion, mortality rate, and factors associated with transfusion in dogs and cats undergoing liver lobectomy. DESIGN Retrospective case series. ANIMALS 63 client-owned dogs and 9-client owned cats that underwent liver lobectomy at a specialty veterinary practice from August 2007 through June 2015. PROCEDURES Medical records were reviewed and data extracted regarding dog and cat signalment, hematologic test results before and after surgery, surgical method, number and identity of lobes removed, concurrent surgical procedures, hemoabdomen detected during surgery, incidence of blood transfusion, and survival to hospital discharge (for calculation of mortality rate). Variables were compared between patients that did and did not require transfusion. RESULTS 11 of 63 (17%) dogs and 4 of 9 cats required a blood transfusion. Mortality rate was 8% for dogs and 22% for cats. Pre- and postoperative PCV and plasma total solids concentration were significantly lower and mortality rate significantly higher in dogs requiring transfusion than in dogs not requiring transfusion. Postoperative PCV was significantly lower in cats requiring transfusion than in cats not requiring transfusion. No significant differences in any other variable were identified between dogs and cats requiring versus not requiring transfusion. CONCLUSIONS AND CLINICAL RELEVANCE Dogs and cats undergoing liver lobectomy had a high requirement for blood transfusion, and a higher requirement for transfusion should be anticipated in dogs with perioperative anemia and cats with postoperative anemia. Veterinarians performing liver lobectomies in dogs and cats should have blood products readily available.
These cases provide further evidence that domestic felids are susceptible to pandemic 2009 influenza A H1N1 virus, and the literature is briefly reviewed for treatment recommendations. H1N1 should be considered in the differential diagnosis for domestic cats presenting with peracute to acute onset of respiratory distress in the right context. While human-to-cat transmission of H1N1 seems probable in several reported cases, cat-to-human transmission has not been identified.
Objective: To evaluate the efficacy of IV magnesium sulfate in decreasing the number of ventricular ectopic beats or convert ventricular tachyarrhythmia to sinus rhythm in dogs.
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