目的探讨应用局部枸橼酸抗凝法（RCA）对高危出血倾向患者行改良连续性静-静脉血液滤过（CVVH）治疗的可行性和安全性。
Objective To evaluate the safety and clinical value of regional citrate anticoagulation (RCA) to continuous venovenous hemofiltration (CVVH) for patients with a high risk of bleeding.
论述了超声脉冲法检测钻孔灌注桩连续性、完整性及强度的原理及方法。
The paper introduced the principle and method of ultrasound pulse method detecting the continuity, integrity and strength.
对连续性数据及二分法的数据各自以标准平均差及相对风险来比较。
The standardised mean difference and relative risk were used for continuous data and dichotomous data comparisons, respectively.
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