TL;DR: The Controlled Cross Circulation for Direct-Vision Intracardiac Surgery (CCICIS) as discussed by the authors is a well-known technique for direct-vision intracardial surgery.
Abstract: (1955). Controlled Cross Circulation for Direct-Vision Intracardiac Surgery. Postgraduate Medicine: Vol. 17, No. 5, pp. 388-396.
TL;DR: The results obtained in these patients indicate that additional research experience with cross circulation should be acquired, and cross circulation can be carried out without anticoagulation, without a pump and without the necessity for repeated operative procedures.