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为了探讨纳洛酮能否预测脑梗塞的预后，采用纳洛酮试验预测80例脑梗塞的预后，结果阳性组62例，阴性组18例。随访显示预后与测试结果相符者71例，总符合率88．75％，其中阳性组符合率为871％，阴性组符合率为94％，两组无差异（x2＝0．67p＞0．05）。阳性组死亡率为9．7％，阴性组死亡率为78％，两组有显著差异（x2＝34．51P＜0．01），灵敏度87.1％，特异度94．4％，约登指数0.82。提示此项试验符合率高，可信度高，试验结果阳性和阴性均具有重要的临床意义，且阳性组预后好于阴性组。
In order to investigate whether naloxone can predict the prognosis of cerebral infarction, naloxone test was used to predict the prognosis of 80 patients with cerebral infarction. The results were positive in 62 patients and negative in 18 patients. The follow-up showed that the prognosis was consistent with the test results in 71 cases, the total coincidence rate was 88.75%, of which the coincidence rate was 871% in the positive group and 94% in the negative group, with no difference between the two groups (x2 = 0.67p> 0.05 ). The positive rate was 9.7% and the negative rate was 78%. There was significant difference between the two groups (x2 = 34.51P <0.01), the sensitivity was 87.1%, the specificity was 94.4% and the Youden index was 0.82 . Prompts the test with high compliance, high credibility, the test results positive and negative have important clinical significance, and the prognosis of the positive group is better than the negative group.