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Jostra Rota Flow RF‐30 Pump System: A New Centrifugal Blood Pump for Cardiopulmonary Bypass
Author(s) -
Orime Yukihiko,
Shiono Motomi,
Yagi Shinya,
Yamamoto Tomonori,
Okumura Haruhiko,
Nakata Kinichi,
Kimura Shunichi,
Hata Mitsumasa,
Sezai Akira,
Kashiwazaki Satoshi,
Choh Shinsuke,
Negishi Nanao,
Sezai Yukiyasu,
Matsui Takahiro,
Suzuki Mitsunori
Publication year - 2000
Publication title -
artificial organs
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.684
H-Index - 76
eISSN - 1525-1594
pISSN - 0160-564X
DOI - 10.1046/j.1525-1594.2000.06593.x
Subject(s) - centrifugal pump , cardiopulmonary bypass , off pump coronary artery bypass , medicine , peristaltic pump , artery , cardiology , biomedical engineering , impeller , bypass grafting , physics , meteorology , thermodynamics
The Rota Flow pump is a fully integrated centrifugal pump system in the Jostra heart‐lung machine HL‐20 with features such as a less friction mono‐pivot bearing system, sealless pump housing, and spiral housing. To evaluate its biocompatibility, antithrombogenesity, and hemolysis, we used it as a main pump of cardiopulmonary bypass (CPB) in coronary artery bypass grafting (CABG) cases and compared it with the BioMedicus pump. From February 1999 to May 1999, 30 consecutive patients underwent CABG under conventional CPB. Fifteen cases were supported by the Rota Flow RF‐32 (Group R), and the remaining 15 were pumped by the BioMedicus BP‐80 (Group B). In both groups, the flow rate was controlled in an equivalent value. Blood sampling was as follows: preoperative, 60 min after, postoperative Days (POD) 0, 1, and 2. We evaluated the plasma free hemoglobin (fHb) as the hemolysis parameter, β‐thromboglobulin (β‐TG) and platelet factor IV (PF‐4) as the platelet deterioration index, C3, C4, and CH 50 as complement activation, coagulation function, fibrinolytic factor and thrombomodulin, nitric oxide (NO), and endothelin as endothelial deterioration. This system was very easily and simply controlled and had excellent response. Perioperative laboratory data were not markedly changed in either group. The Rota Flow demonstrated equivalent value of biocompatibility and hemolysis as compared with the BioMedicus BP‐80, which is a standard centrifugal pump. After pumping, no thrombus formation or pivot wear was observed inside the pump. This atraumatic, small centrifugal pump is suitable not only for CPB but also for long‐term circulatory support.