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目的：脑出血首次血肿量（IVH）与首次平均血压（IMBP）及其预后的相关性进行研究，并提出了脑出血易感性假说即P＝K■。方法：1．不同出血部位的年龄、IVH、IMBP进行比较。2．同一出血部位存活组与死亡组的IVH进行比较．3．IVH与年龄、IMBP、预后进行相关性分析。4．统计学处理：评价用X±SD；t检验；相关性分析用直线回归。结果：1．基底节、皮质下出血与丘脑比较显示：IVH大（P＜0．05）。2．基底节与皮质下出血比较：平均年龄小（P＜0．05）；IMBP高（P＜0．05）。3．死亡组的击底节、皮质下出血的IVH大于存活组（P＜0．001）。4．相关性分析：IVH与IMBP相关性：基底节呈正相关；基底节及皮质下均显示相关。结论：基底节出血的IMBP及病死率、皮质下出血的病死率随IVH的增加而增高。
Objective: To study the correlation between the first hematoma volume (IVH) of cerebral hemorrhage and the first mean blood pressure (IMBP) and its prognosis, and put forward the hypothesis of cerebral hemorrhage susceptibility that P = K ■. method 1. The age of different bleeding sites, IVH, IMBP were compared. 2. The same bleed site survival group and death group IVH were compared. 3. IVH and age, IMBP, prognosis correlation analysis. 4. Statistical analysis: Evaluation using X ± SD; t test; correlation analysis using linear regression. Results: 1. Basal ganglia, subcortical hemorrhage and thalamus comparison: IVH (P <0.05). 2. Basal ganglia and subcortical hemorrhage were compared: the average age was small (P <0.05); IMBP was high (P <0.05). 3. In the dead section, the IVH of subcortical hemorrhage was greater than that of the survivors (P <0.001). 4. Correlation analysis: IVH and IMBP correlation: basal ganglia was positively correlated; basal ganglia and subcortical showed correlation. Conclusion: The basal ganglia hemorrhage IMBP and mortality, mortality of subcortical hemorrhage increased with the increase of IVH.