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阻断脑血流3分钟或病人窒息15分钟即可引起脑死亡。如能将此时限延长至40分钟、2小时或20小时,当为极大的成就,从而因供氧不足的心脏病、CO_2中毒窒息的病人均可获救,需较长时间阻断脑血流的手术也可获得成功。报告人对脑卒中的外科治疗的研究已有二十余年,在日本北方已将脑出血划归为神经外科治疗的疾病。应用同位素扫描仪,利用半衰期极短的同位素(经口服或注射)观察脑的循环状态、氧的代谢、多巴胺的代谢等,可观察到人
Blocking cerebral blood flow for 3 minutes or asphyxiation for 15 minutes can cause brain death. If this time limit can be extended to 40 minutes, 2 hours or 20 hours, it would be a great success and thus rescued patients with asphyxia due to insufficient oxygenation due to insufficient oxygenation, which will take longer to block the cerebral blood flow The surgery can also be successful. The investigator has been studying the surgical treatment of stroke for more than 20 years and has classified cerebral hemorrhage as a neurosurgical treatment in northern Japan. Using isotope scanners, observing the circulatory state of the brain, the metabolism of oxygen, the metabolism of dopamine, etc., using isotopes with very short half-lives (either orally or by injection)