Clinical evaluation of the Spiral Pump® after improvements to the original project in patients submitted to cardiac surgeries with cardiopulmonary bypass

Revista Brasileira de Cirurgia Cardiovascular

Jarbas Jakson Dinkhuysen¹  Aron Jose Pazin De Andrade¹  Juliana Leme¹  Cibele Silva¹  Claudia Sanches Medina¹  Cristiane Célia Pereira¹  José Francisco Biscegli¹ 

关键词: Centrifugal Pumps;    Axial Flow Pumps;    Cardiopulmonary Bypass;    Extracorporeal Circulation;    Hemolysis;    Bombas Centrífugas;    Bombas de Fluxo Axial;    Ponte Cardiopulmonar;    Circulação Extracorpórea;    Hemólise;   

DOI  :  10.5935/1678-9741.20140095

来源: SciELO

【 摘 要 】

Objective:The objective of this paper is to present the results from Spiral Pump clinical trial after design modifications performed at its previous project. This pump applies axial end centrifugal hydraulic effects for blood pumping during cardiopulmonary bypass for patients under cardiac surgery.Methods:This study was performed in 52 patients (51% males), between 20 to 80 (67±14.4) years old weighing 53 to 102 (71.7±12.6) kg, mostly under myocardial revascularization surgery (34.6%) and valvular surgery (32.8%). Besides the routine evaluation of the data observed in these cases, we monitored pump rotational speed, blood flow, cardiopulmonary bypass duration, urine free hemoglobin for blood cell trauma analysis (+ to 4+), lactate desidrogenase (UI/L), fibrinogen level (mg/dL) and platelet count (nº/mm3).Results:Besides maintaining appropriate blood pressure and metabolic parameters it was also observed that the Free Hemoglobin levels remained normal, with a slight increase after 90 minutes of cardiopulmonary bypass. The Lactate Dehydrogenase showed an increase, with medians varying between 550-770 IU/L, whereas the decrease in Fibrinogen showed medians of 130-100 mg/dl. The number of platelets showed a slight decrease with the medians ranging from 240,000 to 200,000/mm3. No difficulty was observed during perfusion terminations, nor were there any immediate deaths, and all patients except one, were discharged in good condition.CONCLUSION:The Spiral Pump, as blood propeller during cardiopulmonary bypass, demonstrated to be reliable and safe, comprising in a good option as original and national product for this kind of application.

【 授权许可】

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