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目的：为了研究脑卒中患者血小板体积、计数的变化及其意义。方法：对４０例脑梗塞、４２例脑出血患者静脉血血小板体积、计数进行了动态观察，并与７０例老年人进行比较。结果：脑梗塞和脑出血后７２ｈ内血小板计数均明显减少，前者血小板体积明显增大，后者则无明显变化；发病３周后前者血小板计数及体积较急性期无明显变化，后者血小板计数明显高于正常，血小板体积则小于正常。结论：血小板体积增大发生在脑梗塞之前，是其危险因素之一，脑出血后血小板体积、计数的变化则是脑出血的结果
Objective: To study the changes of platelet volume and count in patients with stroke and its significance. Methods: The venous blood platelet volume and count of 40 patients with cerebral infarction and 42 patients with cerebral hemorrhage were observed dynamically and compared with 70 elderly patients. Results: In 72 hours after cerebral infarction and intracerebral hemorrhage, the platelet count decreased significantly, while the former increased significantly, while the latter did not change significantly. The platelet count and volume of the former had no significant change after 3 weeks, Obviously higher than normal, the platelet volume is less than normal. Conclusion: The increase of platelet volume occurs before cerebral infarction and is one of the risk factors. The change of platelet volume and count after intracerebral hemorrhage is the result of cerebral hemorrhage