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Clinical evaluation of the new Pall leucocyte-depleting blood cardioplegia filter (BC1)Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Clinical Perfusion, Wythenshawe Hospital, Manchester
Department of Cardiothoracic Surgery, Wythenshawe Hospital, Manchester It is now widely acknowledged that autologous leucocytes are inappropriately activated during cardiopulmonary bypass (CPB). Removal of these activated leucocytes has been proposed as a clinical intervention. Several papers have recently reported benefits of systemic leucocyte depletion during CPB. There is also evidence that leucocyte-depleted blood cardioplegia is advantageous in the globally ischaemic human heart transplant setting. Recently, a new leucocyte-depleting filter for blood cardioplegia has been developed (Pall, BC1). In this paper, we report on the safety and efficiency of this device in the clinical situation.
Fourteen patients undergoing routine cardiac surgery were recruited into this study. The BC1 blood cardioplegia filter was found to be an efficient leucocyte-depleting device, removing in excess of 70% (p = 0.001) of white blood cells, on average, from up to 5.3 litres of blood cardioplegia. The filter removed a small proportion of platelets (typically 11.3%), however, this was not statistically significant and no bleeding problems were encountered. Red cell removal was negligible and was not statistically significant, and no evidence of haemolysis was noted. The filter offered a very low resistance to flow with a mean pressure drop (
Perfusion, Vol. 13, No. 1,
17-25 (1998) This article has been cited by other articles:
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P) of 10.8 mmHg at a mean flow rate of 315 ml/min. We conclude that the Pall BC1 filter is a safe and efficient device for use with blood cardioplegia. 
