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An extensive investigation involving 2497 dogs aimed to determine the prevalence of Dilated Cardiomyopathy (DCM). Through meticulous examination incorporating historical, clinical, electrocardiographic, and radiographic analyses, 29 cases were definitively diagnosed with DCM using echocardiography. Employing advanced echocardiographic technology, including 2-D imaging with M-mode and Doppler modalities, precise cardiac assessments were conducted. Attention to standard imaging planes and thoracic depilation ensured optimal transducer adherence. Comparative analysis between healthy and DCM-affected dogs revealed significant differences in left atrial dimensions, indicative of pathological cardiac remodeling. Furthermore, notable variations in ventricular dimensions and functional indices were observed, reflecting impaired myocardial contractility and ventricular compliance, particularly in cases with right-sided involvement. Doppler assessments unveiled aberrant blood flow dynamics in DCM, indicating hemodynamic disturbances. These findings underscore the diagnostic utility and pathophysiological insights provided by echocardiography in characterizing DCM pathology in dogs. In conclusion, echocardiography emerges as a valuable tool for the comprehensive evaluation and diagnosis of DCM in canine patients, facilitating early detection and effective management of this debilitating cardiac condition.
Srivastava et al. (Fri,) studied this question.