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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES CARDIAC PAPERS
The Journal of Cardiovascular Surgery 2000 Ottobre;41(5):691-4
Implantation of the Biomedicus centrifugal pump in post-transplant right heart failure
Reiß N., El-Banayosy A., Mirow N., Minami K., Körfer R.
From the Clinic for Thoracic and Cardiovascular Surgery Heart Center North Rhine-Westphalia Bad Oeynhausen, Germany
Background. Right heart failure after heart transplantation represents a life-threatening complication. When conventional therapy including NO-inhalation fails the only choice to reach sufficient haemodynamic conditions may be the implantation of a right ventricular support system.
Methods. In all cases the Biomedicus centrifugal pump was implanted by cannulation of the right atrium and pulmonary artery.
Results. Since March 1989 950 heart transplant procedures were performed at our center. In nine cases (7 male, 2 female, mean age 52 years) implantation of a right ventricular support system was necessary because of deterioration of right ventricular function. The implantation was carried out in 7 cases immediately after transplantation, in 2 cases after 2 days. The support time ranged from 4-348 hours. Six patients could be weaned, 2 patients underwent retransplantation and died and 1 patient died on the support system. Three of the six weaned patients died in the further course because of multiorgan failure.
Conclusions. Mechanical right ventricular support is often the only therapeutical tool to reach adequate haemodynamic conditions in post-transplant right heart failure. The Biomedicus centrifugal pump provides good conditions in these cases. Weaning is often possible after short-term support. The mortality rate is determined by multiorgan failure in immuno-suppressed patients. Retransplantation seems not to be successful despite maximal treatment.