Medición de RRI en caninos y felinos diagnosticados con enfermedad renal por medio de ecografía PW Doppler atendidos en clínicas veterinarias de la ciudad de Guayaquil.

Abstract

Renal disease in dogs and cats represents a diagnostic challenge for both veterinarians and pet owners, as its clinical manifestations are often nonspecific. Considering this difficulty, the renal resistive index (RRI), measured through PW Doppler ultrasonography, has become established as a non-invasive tool useful for evaluating renal function. This study assessed the relationship between the RRI, biochemical parameters, disease severity and morphological lesions. A total of 80 patients were included: 50 dogs and 30 cats with a confirmed diagnosis of renal disease from veterinary clinics in Guayaquil, using an observational, descriptive, and cross-sectional study with a quantitative approach. Results were obtained through linear regression analysis to correlate the proposed variables, along with a t-test. The results confirmed that the RRI reflects renal compromise and is associated with urea, creatinine and phosphorus values. Additionally, it showed a strong correlation with the stage of renal disease: 46 % in felines and 39 % in canines. These findings reinforce the value of the RRI as a complementary tool for diagnosis and clinical decision making.