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Perfusion, Vol. 18, No. 2, 79-82 (2003)
DOI: 10.1191/0267659103pf651oa

Cardiopulmonary support during electrophysiological procedures for ventricular tachycardias not haemodynamically tolerated

M Zanobini

Centro Cardiologico Monzino, Via Parea, Milano, Italy, marco.zanobini{at}cardiologicomonzino.it

Fabiana Rossi

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Antonella Bertera

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Stefania Sandano

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Cristina Costa

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Rita Fabrizi

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Simone Viola

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Andrea Annoni

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Francesco Alamanni

Centro Cardiologico Monzino, Via Parea, Milano, Italy

Paolo Biglioli

Centro Cardiologico Monzino, Via Parea, Milano, Italy

The objectives of this study were to evaluate the efficacy of percutaneous cardiopulmonary support (CPS) for circulatory assistance during electrophysiological endocavitary procedures for ventricular tachycardia (VT) in high-risk patients.

From January to June 1999, eight patients with VT not haemodynamically tolerated, underwent an electrophysiological mapping and ablation while supported with percutaneous CPS in the cardiac surgery service of the University of Milan. The CPS system allowed for the maintenance of an arterial pressure of 60-70 mmHg during the tachycardia episodes. CPS was used for 10-20 min periods to restore haemodynamic stability.

With the haemodynamic support of CPS, it was possible to target and induce 21 VTs, with a mean cycle of 325 ms. The mean support time was 140 min (120 - 160 min). Stabilization of the arterial pressure at a mean value of 65 mmHg (55 - 85 mHg) was achieved over a mean period of 26 seconds. Oxygen saturation remained over 90% throughout the support for all patients, with no blood gas or electrolyte abnormalities. No CPB-related complications were observed.

In conclusion, percutaneous CPS guarantees effective haemodynamic support during mapping and ablation of VTs not haemodynamically tolerated, with no complications related to the extracorporeal circulation or the cannulation.


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