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Hyperthermic Peritoneal Perfusion System in Canines

Department of Surgery, Section of Surgical Oncology [J. S. S.], and the Price Institute of Surgical Research [R. A. A., W. S., S. T.], University of Louisville School of Medicine, Louisville, Kentucky 40202

The thermal infusion filtration system was designed to manage malignant effusions and treat metastatic cancers of the intracavitary serosa. Hyperthermia, chemotherapy, and cell and debris filtration were administered by a dynamic fluid flow. Preclinical evaluations of surgical procedure, temperature studies, fluid dynamics, and physiology were carried out in 15 dogs (17.2 to 25.4 kg) with peritoneal perfusion at 41°C and 10 liters/hr flow. Results suggest that the dynamics of flow achieves total intracavitary equilibrium in 7 min. The time essential to elevate animal body mass temperature from ambient to 41° varied as a function of mass. The hyperthermia induced expected nonlethal responses in physiology. The system was determined to be safe for clinical procedure.

¹ To whom requests for reprints should be addressed.

Received 7/25/79. Accepted 10/24/79.

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