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Okayama Igakkai Zasshi (Journal of Okayama Medical Association)
A new technique is described to facilitate descending thoracic aorta replacement without the use of anticoagulants. To eliminate the need of anticoagulants, tubes and cannulae are coated with nonthrombogenic polyurethane-polyvinyl-graphite (PPG). The left heart bypass employing them can provide a dry operative field. No significant changes were observed in clotting time and prothrombin time during this nonthrombogenic left heart bypass. The following findings were observed under scanningdoi:10.4044/joma1947.89.3-4_361 fatcat:ewoiuvisxrcjxd3awxwj25ngi4