Intrakardiale linksventrikuläre Unterstützung bei Operationen am schlagenden Herzen View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2002-02

AUTHORS

F. Isgro, A.-H. Kiessling, E. Rehn, K.-U. Kretz, A. Lehmann, W. Saggau

ABSTRACT

Summary Less invasive operation procedures without support of extracorporeal circulation are becoming increasingly important. Basic requirements for a good long-term result in such cases is, however, the complete revascularization of the affected coronary vessels. The unsatisfactorily high conversion rate from bypass operations originally planned as off-pump to conventional operations with heart-lung machines, because of the failure to reach the target vessels on the rear wall of the heart through hemodynamic instability led to investigation of the efficiency of a micro-axial pump (Impella elect) placed in the left ventricle. In a prospective project, 15 from 38 consecutive patients selected for coronary revascularization with beating heart had a micro-pump trans-aortically implanted in the left ventricle to support the heart during the operation with a flow rate of 2.5 to 3.9 l/min. With 8/23 patients operated on without pump support the operation had to be converted to conventional methods with a heart-lung machine. Only one patient out of the left ventricle supported group had to be further operated on conventionally because of deep intramyocardial positioned LAD (p<0.05). The investigated laboratory parameters, especially CK, CK-MB and clotting showed no significant difference. There tended to be a higher blood loss recorded with the pump-supported patients. In summary, it appeared that the application of a left ventricular co-axial pump with comparable results seemed to make possible complete revascularization in nearly all patents. More... »

PAGES

5-9

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s003980200001

DOI

http://dx.doi.org/10.1007/s003980200001

DIMENSIONS

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