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A NEW EXPERIENTAL MODEL FOR TOTAL CAVOPULMONARY CONNECTION / 解放军医学杂志
Article in Chinese | WPRIM | ID: wpr-552659
Responsible library: WPRO
ABSTRACT
To establish a new model of total cavopulmonary connection (TCPC) by improving the vascular anastomosis between vena cava and pulmonary artery and to study the postoperative hemodynamic changes, a Y shaped prosthetic blood vessel was used, one limb of the prosthesic was anastomosed with vena cava, and the other to pulmonary artery in an end to side way. Then the proximal vena cava was ligated. The mean pulmonary artery pressure was kept at about 20mmHg, the hemodynamic parameters were measured. All dogs tolerated the operative procedure. It was found that pulmonary vascular resistance (PVR) showed a significantly negative correlation with cardiac output (CO), mean aortic pressure (mAoP), and the ratio of right/left pulmonary artery flow (RPF). The model was successfully developed without cardiopulmonary bypass, and the tricuspid valve and pulmonary artery valve were left untouched. Hemodynamic parameters remained stable. It will be useful in study of the circulation after TCPC operation.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Medical Journal of Chinese People's Liberation Army Year: 1982 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Medical Journal of Chinese People's Liberation Army Year: 1982 Type: Article