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目的探讨中脑周围非动脉瘤性蛛网膜下腔出血(perimesencephalic nonaneurysmal subarachnoid hemorrhage,PNSH)的临床特点,治疗经验和预后。方法回顾性分析16例中脑周围非动脉瘤性蛛网膜下腔出血病人的临床表现、影像学资料及治疗,随访预后情况。结果本组全脑血管造影均无阳性发现,病人临床症状轻,均无意识障碍及局灶性神经功能障碍,Hunt-Hess分级均为Ⅰ～Ⅱ级。随访6～72个月,平均46个月,未发生再出血,无永久性神经功能障碍,均基本恢复正常工作生活。结论中脑周围非动脉瘤性蛛网膜下腔出血临床症状较经典蛛网膜下腔出血(SAH)轻,并发症少,预后良好。
Objective To investigate the clinical features, treatment experience and prognosis of perimesencephalic nonaneurysmal subarachnoid hemorrhage (PNSH). Methods The clinical manifestations, imaging data, treatment and prognosis of 16 patients with non-aneurysmal subarachnoid hemorrhage around the midbrain were retrospectively analyzed. Results This group of cerebrovascular angiography showed no positive findings, patients with mild clinical symptoms, unconsciousness and focal neurological dysfunction, Hunt-Hess grade were grade Ⅰ ~ Ⅱ. All the patients were followed up for 6 to 72 months, with an average of 46 months. No further bleeding and no permanent neurological dysfunction occurred, all of which basically returned to normal working life. Conclusions The clinical symptoms of mid-cerebral non-aneurysmal subarachnoid hemorrhage are lower than those of classic subarachnoid hemorrhage (SAH), with fewer complications and good prognosis.