Objective -To determine if absolute plasma lactate concentration or lactate clearance in dogs with septic peritonitis is associated with morbidity or mortality. Design -Retrospective cohort study from 2007 to 2012. Setting -University teaching hospital. Animals -Eighty-three dogs with septic peritonitis were included. Patients had at least 1 plasma lactate measurement during the course of the hospitalization. Results -Sixty-four percent of the patients survived to discharge, 22% were euthanized, and 14% died during hospitalization. Plasma lactate concentration >2.5 mmol/L on admission (29% of the patients) was associated with mortality (P = 0.001). Median admission plasma lactate concentration (n = 81) was significantly different between nonsurvivors (2.5 mmol/L, range 0.5-8.4) and survivors (1.4 mmol/L, range 0.5-9.7; P = 0.007). Admission plasma lactate concentration >4 mmol/L yielded a sensitivity of 36% and a specificity of 92% for nonsurvival. The inability to normalize plasma lactate concentration within 6 hours of admission (n = 10/24) yielded a sensitivity of 76% and specificity of 100% for nonsurvival. Postoperative hyperlactatemia (plasma lactate concentration >2 mmol/L; n = 18/76) had a sensitivity of 46% and specificity of 88% for nonsurvival. Persistent postoperative hyperlactatemia (n = 11/18) had a sensitivity of 92% and a specificity of 100% for nonsurvival. Lactate clearance less than 21% at 6 hours (n = 20) had a sensitivity of 54% and specificity of 91% for nonsurvival. Lactate clearance less than 42% at 12 hours (n = 18) had a sensitivity of 82% and a specificity of 100% for nonsurvival. Conclusions -Admission plasma lactate concentration and lactate clearance were good prognostic indicators in dogs with septic peritonitis. Crit Care 2015; 25(3): 388-395) (J Vet Emerg
Blood salvage has been safely used in human medicine for decades and is feasible in veterinary medicine. Potential advantages include reduced reliance on banked blood for massive transfusions and minimization of morbidities associated with the use of allogeneic and stored blood products. Concerns about the safety of salvaged blood have been largely dispelled in human medicine but further investigation regarding the safety of such procedures in veterinary patients is warranted.
ObjectivesTo evaluate the feasibility of CT pulmonary angiography for identification of naturally occurring pulmonary thromboembolism in dogs using predefined diagnostic criteria and to assess the ability of echocardiography, cardiac troponins, D-dimers and kaolin-activated thromboelastography to predict the presence of pulmonary thromboembolism in dogs.MethodsTwelve dogs with immune-mediated haemolytic anaemia and evidence of respiratory distress were prospectively evaluated. Dogs were sedated immediately before CT pulmonary angiography using intravenous butorphanol. Spiral CT pulmonary angiography was performed with a 16 detector-row CT scanner using a pressure injector to infuse contrast media through peripheral intravenous catheters. Pulmonary thromboembolism was diagnosed using predefined criteria. Contemporaneous tests included echocardiography, arterial blood gas analysis, kaolin-activated thromboelastography, D-dimers and cardiac troponins.ResultsBased on predefined criteria, four dogs were classified as pulmonary thromboembolism positive, three dogs were suspected to have pulmonary thromboembolism and the remaining five dogs had negative scans. The four dogs identified with pulmonary thromboembolism all had discrete filling defects in main or lobar pulmonary arteries. None of the contemporaneous tests was discriminant for pulmonary thromboembolism diagnosis, although the small sample size was limiting.Clinical SignificanceCT pulmonary angiography can be successfully performed in dogs under sedation, even in at-risk patients with respiratory distress and can both confirm and rule out pulmonary thromboembolism in dogs.
CPCR is heterogeneously performed in small animal veterinary medicine; differences exist, both among and within different types of veterinarians with varying levels of expertise, in respect to available infrastructure, personnel and CPCR techniques used.
iHCa is more prevalent in cats with septic peritonitis than described previously. Failure of iCa to normalize during hospitalization may be a negative prognostic indicator. iHCa may be predictive of a longer LOH and ICU stay, but is not necessarily associated with a poorer prognosis.
A 10-year-old male cross-breed dog was referred for investigation of oral malignant melanoma. Fine-needle aspirates were taken from the draining submandibular lymph node. The presence of metastatic melanoma cells was confirmed by cytological examination and reverse transcription polymerase chain reaction (RT-PCR) using primers for the melanoma-associated antigens: tyrosinase and mart-1/melan A. Cytokine expression in the lymph node was evaluated by multiplex RT-PCR, which demonstrated the presence of mRNA for IL-10 and TGF-beta1. However, IL-2, IL-4 and IFNgamma mRNA could not be detected, suggesting a lack of immune activation. Thoracic radiographs showed a lesion within the caudal lung fields suggestive of pulmonary metastasis. The dog developed signs of dyspnoea and collapse and was euthanased four days later. This case illustrates that molecular techniques can be used to aid clinical staging of canine oral malignant melanoma, and suggests that immunosuppressive cytokines could be involved in the pathogenesis of disease.
Objective: To assess whether the clinical approach to CPR has changed following the publication of the Reassessment Campaign on Veterinary Resuscitation (RECOVER) guidelines in 2012. Design: Internet-based survey. Setting: Academia and referral practice. Subjects: Four hundred and ninety-one small animal veterinarians in clinical practice in the United States and Canada. Interventions: An internet-based survey assessing the clinical approach to small animal CPR was circulated with the assistance of veterinary professional organizations on 2 separate occasions: prior to (2008) and following (2017) publication of the 2012 (RECOVER) guidelines. Survey questions identical to both surveys solicited details of clinician approaches to CPR preparedness, basic life support (BLS), and advanced life support (ALS). Respondents were grouped into level of expertise (board-certified specialists [BCS, n = 202] and general practitioners in emergency clinics [GPE, n = 289]), and year of response to the survey (2008, n = 171; 2017, n = 320). Measurements and Main Results: Compliance with the RECOVER guidelines pertaining to CPR preparedness (P < 0.01), BLS (P < 0.01), and ALS P < 0.01) was consistently higher in respondents to the 2017 survey compared to those of the 2008 survey.
Background The IV use of human immunoglobulin (hIVIG) in dogs with primary immune‐mediated hemolytic anemia (IMHA) has been described previously, but herein we describe the use of high‐dose IgM‐enriched hIVIG (Pentaglobin). Hypothesis/Objectives Dogs treated with high‐dose Pentaglobin will experience shorter time to remission and hospital discharge and have decreased transfusion requirements compared to dogs receiving standard treatment alone. Animals Fourteen client‐owned dogs diagnosed with primary IMHA at specialist referral hospitals in the United Kingdom. Methods All prospectively enrolled dogs received prednisolone, dexamethasone or both along with clopidogrel. Patients were randomized to receive Pentaglobin at 1 g/kg on up to 2 occasions, or to serve as controls. No additional immunosuppressive drugs were allowed within the first 7 days of treatment. Remission was defined as stable PCV for 24 hours followed by an increase in PCV. Results Ten of 11 dogs from the treatment group and 2 of 3 dogs from the control group achieved remission and survived until hospital discharge. Survival and time to remission were not significantly different between groups. The volume of packed red blood cells transfused, normalized for body weight, was not significantly different between groups. Potential adverse reactions to Pentaglobin occurred in 2 dogs, but their clinical signs may have been related to the underlying disease. Conclusions and Clinical Importance Treatment with high‐dose Pentaglobin was well tolerated by dogs with primary IMHA but no significant advantage was found in this small study. Additional studies examining larger groups and subpopulations of dogs with primary IMHA associated with a poorer prognosis are warranted.
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