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  • Title: [Comparative study of pulmonary function after conventional ultrafiltration or modified ultrafiltration during cardiac surgery of infants].
    Author: Liu JP, Long C, Feng ZY, Ji BY, Li CH.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2002 Aug; 24(4):364-6. PubMed ID: 12905653.
    Abstract:
    OBJECTIVE: To compare the effects of conventional ultrafiltration and modified ultrafiltration in protecting patients' pulmonary function during cardiopulmonary bypass. METHODS: Thirty infants patients (less than 7 kg) were divided into two groups: conventional ultrafiltration group (CUF, n = 15) and modified ultrafiltration group (MUF, n = 15). The volume of ultrafiltration, transfusion, hematocrit (HCT) before and after ultrafiltration, patients' respiration function (respiration index, A-aDO2, airway pressure), the time of mechanical ventilation and ICU in the two groups were respectively monitored. RESULTS: The transfusion in MUF group was significantly less than in CUF group (P < 0.01), and the volume of ultrafiltration in MUF group was significantly more than in CUF group (P < 0.01). The time of mechanical ventilation and ICU staying in MUF group were significantly shorter in MUF group than that in CUF group (P < 0.05). At 12 and 24 hours after operations, the A-aDO2 in MUF group was lower than that in CUF group (P < 0.05), and the respiratory index in MUF group was higher than that in CUF group (P < 0.05). CONCLUSION: The modified ultrafiltration can effectively improve pulmonary function after operations for low weight infants.
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