postoperative
Conditions
Interventions
The higher mean arterial pressure group:regulate blood pressure at a higher level
The lower mean arterial pressure group:regulate blood pressure at a lower level
Sponsors
The First People's Hospital of Lianyungang
Eligibility
Sex/Gender
All
Age
65 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1) Aged >=65 years old; 2) Perform elective gastrointestinal surgery; 3) The ASA score II or III; 4) Clearly understand and voluntarily participate in the study, and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1) A history of cerebrovascular accidents; 2) A history of hypertension; 3) A history of taking psychotropic drugs within six months before admission; 4) A history of schizophrenia or epilepsy, dementia; 5) Sinus bradycardia or atrioventricular block at above II degree; 6) Visual, auditory or language communication barriers; 7) Severe liver or kidney dysfunction; 8) Long-term alcoholism; 9) The score of the Mini-Mental State Scale (MMSE) before operation cannot be matched and is lower than the minimum score of the corresponding education level (literacy <=17 points, primary school <=20 points, secondary school <=22 points, university <=23 points) 10) Other circumstances that the investigator considers inappropriate to participate in this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative; | — |
Countries
China
Contacts
Public ContactXiaobao Zhang
The First People's Hospital of Lianyungang
Outcome results
None listed