perioperative hypotension
Conditions
Interventions
Aged 65-80 years group:NONE
Aged older than 18 and younger than 65 years group:NONE
Sponsors
Department of Aanesthesiology, Southwest Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Patients aged 18-80 years who underwent elective open surgery under general anesthesia; (2) ASA grade I-III; (3) Voluntary participation in research and signing of informed consent.
Exclusion criteria
Exclusion criteria: (1) Arrhythmia (atrial fibrillation and ventricular premature beats), history of myocardial infarction, history of cardiac surgery, heart failure (EF 15%; (5) Central nervous system diseases or surgical history; (6) Those who are nervous and unable to cooperate, or who suffer from mental illness, lack of self-control and can not express clearly; (7) Those who are participating in other clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| total cerebral blood flow; | — |
Secondary
| Measure | Time frame |
|---|---|
| internal carotid artery blood flow;vetebral artery blood flow;CO;systemic vascular resistance index;Cerebral oxygen saturation;MMSE;Tau and S100ß; | — |
Countries
China
Contacts
Public ContactKaizhi Lu
Department of Aanesthesiology, Southwest Hospital, Tthird Military Medical University (Aarmy Medical University)
Outcome results
None listed