Name: Patient Liu Gender: Male Age: 56 years old

1. Case introduction
At 2 a.m. on August 9, 2023, the patient's condition deteriorated, secondary bleeding, emergency rescue, and convulsions occurred. Preoperative diagnosis: dissection aneurysm of the M1 segment of the left middle cerebral artery, cerebral hernia, subarachnoid hemorrhage, left temporal lobe cerebral hemorrhage and rupture into the ventricular system, hypertension grade 3 (very high risk).

2. Treatment process
06:32 He was admitted to the First Affiliated Hospital of Xi'an Jiaotong University due to "sudden headache for 3 days, aggravated with disturbance of consciousness for 4 hours". Preoperative diagnosis: dissection aneurysm of the M1 segment of the left middle cerebral artery, cerebral hernia, subarachnoid hemorrhage, left temporal lobe cerebral hemorrhage and rupture into the ventricular system, hypertension grade 3 (very high risk).
The operation started at 08:10, and it was diagnosed as a dissection aneurysm. The bleeding port was clamped with a metal clip, and the operation went smoothly.
Transferred from Xi'an to Beijing North Asia Cerebrospinal Fluid Specialist on September 13, 2023

（Transfer to other hospital processes）

a. On September 14 of the same year, drainage surgery for left subcutaneous effusion and right ventricle was arranged.
b. On September 18 of the same year, CT was reexamined and the effusion was reduced. The previous bulk bleeding on the top of the skull was reduced, but a small number of bleeding points in the right temporal lobe were added.

c. On September 25 of the same year, the examination was performed again. The examination site was: head plain CT scan + non-vascular three-dimensional reconstruction chest plain CT scan. Clinical diagnosis: cerebral hemorrhage, hydrocephalus, lung infection.

d. Subsequently put the Negative Hydrogen Oxygen Ion Generator into the ward of the inpatient department.Subsequently, it will also be laid into the Integrated Negative Hydrogen Oxygen Ion Generator (mask version)

The patient suffered from severe lung infection and pneumonia while in bed. After three months of treatment with a hydroxide ion machine and a hydroxide ion integrated machine, the lungs were no longer inflammatory. He is now awake, recovering, and can walk.

(Active recovery of patients in hospitals)