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Implementation of the Continuous AutoTransfusion System (C.A.T.S) in Open Abdominal Aortic Aneurysm Repair: An Observational Comparative Cohort Study

Western Vascular Institute, Department of Vascular and Endovascular Surgery, University College Hospital, Galway

Martina O'Connor, RGN

Western Vascular Institute, Department of Vascular and Endovascular Surgery, University College Hospital, Galway

Niamh Hynes, MRCSI

Western Vascular Institute, Department of Vascular and Endovascular Surgery, University College Hospital, Galway

Sherif Sultan, MD, FRCS, EBQS-VASC

Western Vascular Institute, Department of Vascular and Endovascular Surgery, University College Hospital, Galway, sherif.sultan{at}mailn.hse.ie, Department of Vascular and Endovascular Surgery, Galway Clinic Galway, Ireland

The use of the Continuous AutoTransfusion System (C.A.T.S; Fresenius Hemotechnology, Bad Homburg v.d.H., Germany), which conserves allogenic blood, is reported in 187 patients having abdominal aortic aneurysm repair during a 9-year period. Patients were allocated to C.A.T.S if a Haemovigilance technician was available. A mean of 685 mL of retrieved blood was reinfused in 101 patients receiving C.A.T.S; 61% required 2 U or less. All control patients required 3 U or more of allogenic blood. Allogenic transfusion in C.A.T.S patients decreased significantly (P < .0001). Mean intensive care unit stay was significantly reduced in C.A.T.S patients (P = .042). Mean postoperative hospital stay was 18 days for C.A.T.S group and 25 days in control patients (P = .014). The respective 30-day mortality was 12% versus 19% (P = .199). The C.A.T.S markedly reduced the amount of blood transfused, was associated with reduced intensive care unit and postoperative hospital stay, and was cost-effective.

Key Words: cell saver • C.A.T.S • transfusion • autotransfusion • allogenic blood

Vascular and Endovascular Surgery, Vol. 42, No. 1, 32-39 (2008)
DOI: 10.1177/1538574407309316


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