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Brazilian Journal of Cardiovascular Surgery

Print version ISSN 0102-7638On-line version ISSN 1678-9741

Abstract

MARQUES, Euclydes; CESTARI, Ismar N.; CESTARI, Idágene A.  and  LEIRNER, Adolfo A.. A simple circuit with only centrifugal pump for extracorporeal circulation with autogenous oxygenation. Rev Bras Cir Cardiovasc [online]. 2002, vol.17, n.2, pp.160-165. ISSN 0102-7638.  https://doi.org/10.1590/S0102-76382002000200010.

It was tested in 30 dogs a circuit capable to allow extracorporeal circulation (ECC) with autogenous oxygenation (AO) of the blood employing an only centrifugal pump. With this assembly is unnecessary a pump to the right side: the gradient of transpulmonary pressure was obtained by increasing the pulmonary artery pressure by volemic expansion and decreasing the left atrial pressure by draining this camera by means of a siphon. The heart was electrically fibrillated in the beginning of the bypass and defibrillated in the end. This circuit allowed the maintenance of normal hemodynamic parameters and normal blood gases level during ECC. The operative field and the mobility of the heart were similar to those provided by conventional CEC. We concluded that the use of an only centrifugal pump simplifies ECC with AO, turning it a practical choice for the procedures of myocardial revascularization.

Keywords : Extracorporeal circulation [methods]; Cardiac surgical procedures [methods].

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