Osteoarthritis or rheumatoid arthritis
Conditions
Interventions
group A:Control blood pressure 90%-100% of the basic value
group B:Control blood pressure is 80%-90% of the base value
group C:Control blood pressure based on 70%-80% of the base value
Sponsors
Weifang People's Hospital
Eligibility
Sex/Gender
All
Age
50 Years to 70 Years
Inclusion criteria
Inclusion criteria: Patients undergoing initial total knee arthroplasty under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Neuropsychiatric system diseases, severe heart and lung and other important organ dysfunction; 2. Preoperative Mini-Mental State Assessment Scale (MMSE) <24 points and those who cannot communicate normally; 3. Have a history of low hemoglobin, severe blood system diseases, and allergies related to anesthetics.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood pressure (systolic, diastolic, mean arterial pressure);Heart rate;Brain tissue oxygen saturation;End-tidal carbon dioxide;Pulse pressure variability; | — |
Countries
China
Contacts
Public ContactLang Bao
Weifang People's Hospital
Outcome results
None listed