The Effectiveness and Safety of Body Posture in Preventing Postoperative Recurrence for Chronic Subdural Hematoma

Exclusion Criteria

• •1. pregnancy or lactation;
• •2. have hernia of brain or acute massive cerebral infarction that have to perform craniotomy
• •3. have serous cancer, hemorrhagic disease, cardiac dysfunction and other serious disease that may aggravate patient's condition and impact follow-up;
• •4. patients can not stay in bed for long-term due to mental illness or spinal disease(kyphotic deformity);
• •5. CT scan showed that no obvious brain compression or midline shift; no symptom before surgery; neurosurgeon evaluate that patients do not require surgery;
• •6. have CSDH for more than 1 year or organized hematoma;
• •7. CSDH caused by over V-P shunting;
• •8. during burr hole drainage, patients have to perform craniotomy due to acute bleeding or brain hernia;
• •9. during burr hole drainage, patients have cerebral contusion or drainage catheter insert into brain unexpectedly;
• •10. have venous thrombosis of lower extremity or pulmonary embolism;
• •11. cannot regular reexamine within 1 year for any reason;
• •12. life expectancy less than 1 year;
• •13. participating other ongoing clinical trial;
• •14. patients are not qualified for other reason evaluated by two neurosurgeons;
• •15. have bile reflux gastritis and esophageal diseases.