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[Application of modified ultrafiltration in infants undergoing cardiac surgery with cardiopulmonary bypass]
Wei Cheng1, Ying-Bin Xiao, Qian-Jin Zhong
1Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China.
Insights
Modified ultrafiltration (MUF) reduces postoperative bleeding and transfusion needs in infants undergoing cardiac surgery with cardiopulmonary bypass (CPB). This technique also improves pulmonary function and shortens mechanical ventilation duration.
Area of Science:
- Pediatric Cardiac Surgery
- Cardiopulmonary Bypass (CPB)
- Ultrafiltration Techniques
Context:
- Infants undergoing cardiac surgery with CPB face significant postoperative complications.
- Assessing novel techniques to mitigate these risks is crucial for improving patient outcomes.
Purpose:
- To evaluate the efficacy of a modified ultrafiltration (MUF) technique in infants undergoing cardiac surgery with CPB.
- To compare postoperative outcomes between infants receiving MUF and a control group.
Summary:
- A randomized controlled trial involving 261 infants (<1 year) compared MUF during CPB (n=205) versus no MUF (n=56).
- The MUF group showed significantly reduced postoperative blood loss (79.5 vs. 57.3 mL) and transfusion requirements (78.1 vs. 67.9 mL).
- MUF also led to shorter mechanical ventilation duration (28.6 vs. 32.3 hrs), improved hematocrit (34.6% vs. 29.8%), and enhanced oxygenation index (275.2 vs. 202.2) 24 hours postoperatively.
Impact:
- MUF offers a safe and effective method to minimize complications in pediatric cardiac surgery.
- Improved pulmonary function and reduced reliance on mechanical ventilation can lead to faster recovery.
- This technique holds promise for enhancing the management of infants undergoing complex cardiac procedures.
Objective:
Infants are usually subjected to serious complications after cardiac surgery with cardiopulmonary bypass (CPB). This study was conducted to evaluate the effects of a modified ultrafiltration technique (MUF) on infants undergoing cardiac surgery with CPB.
Methods:
A total of 261 infants less than 1 year old with congenital heart disease and who required CPB were randomized into receive MUF during CPB (n=205) or not (n=56, control group). Bypass duration, aortic cross-clamp duration, postoperative blood effluents and transfusions, mechanical ventilation duration following operation, and hematocrit and oxygenation index 24 hrs postoperatively were compared between the two groups.
Results:
No ultrafiltration-related complication was found in the MUF group. There were no significant differences in the duration of bypass and aortic cross-clamp between the two groups. Postoperative blood effluents and transfusions in the MFU group were significantly reduced (79.5+/-18.6 mL vs 57.3+/-15.4 mL and 78.1+/-32.5 mL vs 67.9+/-25.6 mL respectively) compared with the control group (P<0.05). The duration of mechanical ventilation following operation in the MFU group was shorter than that in the control group (28.6 +/- 9.1 hrs vs 32.3 +/- 8.7 hrs; P<0.05). MUF produced a significant improvement in hematocrit (34.6 +/- 3.7 min vs 29.8+/-2.8 min; P<0.01) and oxygenation index (275.2+/-39.1 vs 202.2+/-25.6; P<0.01) 24 hrs postoperatively when compared with the control group.
Conclusions:
MFU can reduce postoperative bleeding and blood transfusions, improve pulmonary function and shorten the duration of mechanical ventilation in infants undergoing cardiac surgery with CPB.
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