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1·Objective To discuss the effect of polybrene technique in blood cross matching and antibody selection.

目的探讨凝聚胺技术在交叉配血、抗体筛选中的作用。

2·Conclusions: The PMDC rapid detective method can substitute for polybrene technique effectively for blood typing, antibodies detection and cross matching.

结论：PMDC快速测定方法可以有效地替代凝聚胺技术，用于血型鉴定、抗体检查及交叉配血。

3·It is concluded that the slide polybrene method can detect incompatible crossmatch induced irregular antibody and may be applied to crossmatch under special conditions.

说明玻片凝聚胺法可以检测出常见不规则抗体引起的配血不合，可用于特殊条件下的交叉配血。

4·Their specificity was the same. Conclusion Home-made polybrene was good. If we spread the method to hospital blood bank, the cost of pre-transfusion test will reduce greatly.

结论自行研制的改良凝聚胺试剂是稳定可行的，应用于输血前临床标本检测，可以大大降低检测成本。

5·However, only 2 irregular antibody positive cases were screened by polybrene test, and the positive rate was 0.011%. There were significant difference between two methods (P<0.05).

用聚凝胺法检测不规则抗体，仅有阳性为2例，阳性率为0.011%，2种方法比较差异有统计学意义（P＜0.05）；