Postoperative neurological complications
Conditions
Interventions
Control group (Trendelenburg position =2 hours):None
Sponsors
Shandong Provincial Hospital
Eligibility
Sex/Gender
All
Age
65 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1.Age >= 65 years; 2.Scheduled for elective surgery; 3.Anticipated requirement for the Trendelenburg position during surgery; 4.Written informed consent signed by the patient or their authorized representative; 5.American Society of Anesthesiologists (ASA) physical status classification ?-?.
Exclusion criteria
Exclusion criteria: 1.Emergency surgery; 2.A known history of severe neurological diseases (e.g., dementia, Parkinson’s disease, severe sequelae of stroke, severe traumatic brain injury, epilepsy, etc.); 3.Preoperative diagnosis of obstructive sleep apnea syndrome (OSA) without standardized treatment, or other known severe sleep disorders; 4.Severe visual or hearing impairment precluding effective communication; 5.Symptomatic severe carotid artery stenosis (>70%) or intracranial vascular lesions; 6.Presence of contraindications to transcranial Doppler (TCD) or near-infrared spectroscopy (NIRS) monitoring (e.g., frontal skin damage, skull defect, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of postoperative sleep disorders;The incidence of long-term cognitive dysfunction;The incidence of postoperative delirium;Incidence of complex neurological complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of stroke; | — |
Countries
China
Contacts
Public ContactWang Gongming
Shandong Provincial Hospital
Outcome results
None listed