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J Card Fail. 1999 Sep;5(3):255-64.

A canine model of heart failure by intracoronary adriamycin injection: hemodynamic and energetic results.

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Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, USA.



To eliminate the noncardiac toxicities associated with Adriamycin (Pharmacia Upjohn, Kalamazoo, MI) and to avoid the need for surgical implantation of a coronary artery catheter, we proposed serial intracoronary infusions of Adriamycin (Pharmacia Upjohn) with a Judkins catheter to develop a nonsurgical but selective model of dilated cardiomyopathy in dogs.


Twenty-two dogs were entered onto the study. Each dog received four weekly injections of Adriamycin (Pharmacia Upjohn; 15 mg/wk) through a Judkins catheter and verapamil orally (5 mg/kg twice daily) for 4 weeks. Dogs were evaluated with echocardiography, right-sided cardiac catheterization, and endomyocardial biopsy at times 0 and 10 weeks. The left ventricular ejection fraction decreased from 0.65 +/- 0.04 to 0.48 +/- 0.11 (P = .0006). The left ventricular end-diastolic and end-systolic diameter indices increased from 42.00 +/- 2.17 to 46.92 +/- 5.81 mm (P = .0029) and from 27.65 +/- 2.59 to 35.00 +/- 6.84 mm, respectively (P = .0210). The mechanical cardiac efficiency decreased from 28.55% +/- 13.30% at baseline and 15.64% +/- 9.09% at 10 weeks (P = .001). Cardiac myocyte vacuolation was present on histological examination at 10 weeks. The mortality rate was 41%. Minimal systemic Adriamycin (Pharmacia Upjohn) toxicity was noticed.


Intracoronary injection of Adriamycin (Pharmacia Upjohn) in dogs induced a chronic dilated cardiomyopathy.

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