Conclusion: Application of AHH combined with ch technology and simple ch in older tumor bigger operation can maintain the stability of haemodynamics, and did not affect renal function.
结论：老年肿瘤患者大手术中应用AHH联合CH技术与单纯CH，均能维持血流动力学稳定，对肾功能无明显影响。
Good results have been obtained from the application of polymer for ch...
现场应用聚合物防窜取得了良好效果。
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