Effect on Early Cognition Under Sedation by Rimazole Toluenesulfonate in Old Patient Undergoing Colonoscopy

Mini-mental State Examination(MMSE) score 1

The MMSE scoring standard is the preferred scale for dementia screening. It can comprehensively, accurately and quickly reflect the mental state and cognitive defects of the subjects.The values is 0\~30. Cognitive dysfunction: the highest score is 30 points, the score is normal at 27-30, and the score \<27 is cognitive dysfunction; Dementia classification criteria: illiteracy ≤ 17, primary school level ≤ 20, secondary school level (including technical secondary school) ≤ 22 points, university level (including junior college) ≤ 23 points; 3. Dementia severity classification: mild MMSE ≥21 points; moderate, MMSE 10-20 points; severe, MMSE ≤9 points;

Time frame: 5 minutes before procedure

Mini-mental State Examination(MMSE) score 2

The MMSE scoring standard is the preferred scale for dementia screening. It can comprehensively, accurately and quickly reflect the mental state and cognitive defects of the subjects.The values is 0\~30. Cognitive dysfunction: the highest score is 30 points, the score is normal at 27-30, and the score \<27 is cognitive dysfunction; Dementia classification criteria: illiteracy ≤ 17, primary school level ≤ 20, secondary school level (including technical secondary school) ≤ 22 points, university level (including junior college) ≤ 23 points; 3. Dementia severity classification: mild MMSE ≥21 points; moderate, MMSE 10-20 points; severe, MMSE ≤9 points;

Time frame: 30 minutes after colonoscopy when VAAS score>=4