Abstract
We studied clinical availability of the newly developed low volume type hollow fiber membrane oxygenator, “CAPIOX-SX” (priming volume 270ml), and compared the performance of the oxygenator with that of “CAPIOX-E (500ml)”. They were applied to 20 patients in CABG (SX:5 patients, E:15 patients). In gas transfer capacity, though FiO2 during CPB in use of CAPIOX-SX was kept in slight higher level than in use of CAPIOX-E, CAPIOX-SX had enough oxygene uptake capacity, because the gas transfer performance is better in spite of smaller membrane area (1.8m2) than that of CAPIOX-E. Carbon dioxide elimination capacity of CAPIOX-SX was also almost equal to that of CAPIOX-E. Thus, in using CAPIOX-SX the total priming volume was able to be reduced to 1000ml and good gas performance was obtained. Our results showed that CAPIOX-SX is safe and useful to increase the cases of open heart surgery without homologous blood transfusion.
