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1.
J Am Vet Med Assoc ; : 1-4, 2024 Apr 26.
Artigo em Inglês | MEDLINE | ID: mdl-38670154

RESUMO

OBJECTIVE: Atherosclerosis is a chronic lipid-driven inflammatory disease of the arterial wall. Due to its cardiovascular ischemic complications, it is one of the most common causes of death in people. However, atherosclerosis is seldomly reported in dogs. ANIMAL: A 10-year-old male mixed-breed dog. CLINICAL PRESENTATION, PROGRESSION, AND PROCEDURES: Severe acute kidney injury associated with thrombosis of the abdominal aorta. TREATMENT AND OUTCOME: Treatment included renal replacement therapy, antithrombotic therapy, and supportive care. However, the dog developed neurological and respiratory complications and was euthanized due to worsening kidney function and lack of improvement of the thrombosis. Postmortem examination confirmed the presence of aortic thromboembolism and renal infarcts. Histology revealed severe chronic-active atherosclerosis of the distal aorta and renal arteries. CLINICAL RELEVANCE: Aortic thrombosis is uncommon in dogs, and it is often associated with underlying conditions such as protein-losing nephropathy, endocrine disorders, cardiac disease, or hypercoagulability. In this case, no specific underlying cause was identified and atherosclerosis was considered the primary cause of the thrombosis.

2.
J Vet Intern Med ; 38(1): 161-166, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38100467

RESUMO

BACKGROUND: The utility of neutrophil-to-lymphocyte ratio (NLR), platelet to-lymphocyte ratio (PLR) and monocyte-to-lymphocyte ratio (MLR) as prognostic indicators has not been investigated in canine parvovirosis (CPV). HYPOTHESIS: To evaluate whether these hematological ratios obtained at hospital admission in CPV are associated with outcome or duration of hospitalization. ANIMALS: Four hundred one client-owned dogs presented with CPV. Methods-Retrospective multicenter cohort study. Medical records were reviewed to identify dogs with CPV. Data regarding signalment, complete blood count at admission, duration of hospitalization and outcome were collected. RESULTS: Of the 401 dogs included in the study, 336 (83.8%) survived to discharge. The median (25th and 75th percentiles) PLR in nonsurvivors (336.56 [159.84-635.77]) was significantly higher than in survivors (217.65 [117.67-389.65]) (P = .003). The area under the receiver-operating characteristic curve for nonsurvival was 0.615 (95% CI [0.593-0.691], P = .003). A cut off of 700 showed a 21.5% sensitivity and 90% specificity for nonsurvival. No association was observed between hospitalization duration and either hematological ratios or total WBC counts. The median (25th and 75th percentiles) lymphocyte count was below reference interval in all dogs and was significantly lower in the dogs which died (0.82 × 109 /L [0.5-1.87]) than in survivors (1.27 × 109 /L [0.73-2.22]) (P = .005). The median (25th and 75th percentiles) monocyte count however was lower in survivors (0.38 × 109 /L [0.29-1.59]), than in nonsurvivors (0.73 × 109 /L [0.1-2]) (P = .002). CONCLUSIONS: Evaluation of PLR at hospital admission might be a useful marker of disease severity and could have prognostic value in dogs with CPV.


Assuntos
Plaquetas , Linfócitos , Humanos , Cães , Animais , Estudos Retrospectivos , Estudos de Coortes , Contagem de Leucócitos/veterinária , Prognóstico , Neutrófilos
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