Research Methods for Monitoring Severe Cerebrovascular Disease

After admission, blood pressure was monitored repeatedly (measured by mercury sphygmomanometer). According to the diagnostic criteria for hypertension, patients with systolic blood pressure higher than 140 mmHg and diastolic blood pressure higher than 90 mmHg were defined as hypertensive patients.

According to the latest “Guidelines for the Prevention of Dyslipidemia in Adults in China,” each patient’s blood lipid level is divided: all blood samples were collected on an empty stomach, and the cholesterol (TC, TotalCholesterol) was 5.18–6.22 mmol/L for marginal increase, and cholesterol (TC) d is higher than 6.22 mmol/L; triglycerides (TG, TriGlycerides) higher than or equal to 2.26 mmol/L is higher. High density lipoprotein is (HDL, High Density Lipoprotein) < 1.04 mmol/L; low density lipoprotein is (LDL, Low Density Lipoprotein) ≥ 4.14 mmol/L.

All cases used the EEG monitoring system (SP3000) tendered from Shanghai Shijia Medical Equipment Co., Ltd. for continuous bedside EEG monitoring, and L-EEG (Low Electroencephalogram) tracing used FP1, FP2, C3, C4, T3, T4, O1, O2. The lead electrode is connected, and the lead is placed according to the international 10/20 system. The silver plate electrode is uniformly used. After the head is cleaned, the surface is degreased with an alcohol cotton ball, the electrode is glued with conductive paste, and then fixed with a medical mesh cap. We set the paper speed to 3 cm/s, the filter channel to 0.5–35 Hz, and record 12–24 h, and save for reading.

The included cases are in accordance with the Chinese guidelines for the prevention and treatment of cerebrovascular diseases, and try to maintain consistent treatment methods without affecting the efficacy. Patients with cerebral infarction are treated with conventional antiplatelet, improvement of cerebral circulation, lipid reduction, protection of nutrient brain cells, and dehydration; patients with intracerebral hemorrhage will undergo minimally invasive removal of intracerebral hematoma within the corresponding safe time window, followed by routine irrigation and drainage to the removal of needles.

Strictly follow the inclusion and exclusion criteria of the research objects, we communicate with the EEG physicians, and pay close attention to the EEG conditions of the patients during treatment to obtain comprehensive and reliable information. The discharged patients are followed up regularly every month according to the discharge time, and the recovery situation is investigated in detail according to the rehabilitation. Data collation and data processing are strictly proofread to prevent data errors from affecting the experimental results.

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