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Perioperative Hypotension Spatiotemporal Distribution Spectrum and Postoperative Neurocognitive Injury: A Single-Center Prospective Cohort Study

Perioperative Hypotension Spatiotemporal Distribution Spectrum and Postoperative Neurocognitive Injury: A Single-Center Prospective Cohort Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128671
Enrollment
Unknown
Registered
2026-07-23
Start date
2026-09-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postoperative delirium, postoperative neurocognitive disorder, perioperative hypotension, postoperative cognitive decline in elderly patients, perioperative hemodynamic disturbance

Interventions

All Elderly Surgical Patients group:None

Sponsors

Nanjing Luhe People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age 65 or older, any gender; 2. Planning to undergo elective medium to major surgery under general anesthesia; 3. Expected surgery duration of 60 minutes or more; 4. Patient and immediate family are fully informed about the study details, process, risks, and benefits, and voluntarily sign the informed consent form, agreeing to participate in the entire data collection and follow-up for this study.

Exclusion criteria

Exclusion criteria: 1. Before surgery, the patient had a confirmed history of severe cognitive impairment, Alzheimer's disease, dementia, or serious mental illness; 2. Within six months before surgery, there was a history of strokes, brain hemorrhage, traumatic brain injury, or other organic central nervous system lesions; 3. During surgery, critical adverse events occurred such as massive bleeding, cardiac arrest, severe anaphylactic shock, or persistent severe shock; 4. There were serious hearing or vision problems or speech difficulties, making it impossible to cooperate with pre- or post-surgery cognitive assessments; 5. Clinical records or perioperative monitoring data were severely incomplete, making them insufficient for research analysis; 6. The patient or their family refused to participate in the study or withdrew voluntarily midway.

Design outcomes

Primary

MeasureTime frame
Perioperative Mean Arterial Pressure and Spatiotemporal Burden Indicators of Hypotension;Scores of CAM, MMSE and MoCA cognitive function scales;

Secondary

MeasureTime frame
Intraoperative regional cerebral oxygen saturation (rSO2);Intraoperative Bispectral Index (BIS) Anesthetic Depth Indicator;

Countries

China

Contacts

Public ContactWang Peng

Nanjing Luhe People's Hospital

wp19780716@126.com+86 25 57129179

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026