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Association between perioperative acetylated tau plasma concentrations and cognitive decline after general anesthesia and surgery

Association between perioperative acetylated tau plasma concentrations and cognitive decline after general anesthesia and surgery

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500101043
Enrollment
Unknown
Registered
2025-04-18
Start date
2025-04-18
Completion date
Unknown
Last updated
2025-04-21

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

Conditions

Neurocognitive dysfunction after general anesthesia and surgery

Interventions

Patient group:None

Sponsors

The First Affiliated Hospital of Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1.Gender not limited, age >= 18 years old, BMI 18-29 kg/m^2; 2.ASA II-IV grade, NYHA heart function II-IV grade; 3.Patients who undergo elective third level or higher surgeries; 4.The patient currently has the ability to live independently; 5.The patient agrees to sign an informed consent form.

Exclusion criteria

Exclusion criteria: 1.Existing history of neurological (acute or chronic), psychiatric or clinically significant neurovascular disease, cerebrovascular disease or neurosurgical surgery; 2.Patients who have recently or are currently receiving anti-inflammatory drug treatment and have a history of alcohol or drug abuse; 3.Patients with severe organ failure (such as heart, kidney, or liver) and severe liver or kidney dysfunction; 4.Patients with coagulation disease, poor control of diabetes or autoimmune disease; 5.Use a simple mental state examination for preoperative screening to exclude patients with mild cognitive impairment (defined as scores below 24); 6.Patients with limited vision, hearing, or motor function who cannot cooperate or refuse follow-up.

Design outcomes

Primary

MeasureTime frame
Cognitive status;Symbol digit modalities Test (SDMT);Digit span test (DST);Auditory verbal learning test (AVLT);Shape trails test;Color word test;Acetylated tau;Total Tau;Phospho-tau;p300/CBP acetyltransferase;Sirtuin1 deacetylase;

Secondary

MeasureTime frame
Anesthesia duration;Surgical duration;Cardiopulmonary bypass duration;Aortic cross-clamp duration;Gender;Age;Body Mass Index;ASA classification;Educational level;Diabetes;hypertension;Blood loss;Postoperative ICU residency duration;Duration of hypothermia;Intraoperative blood gas analysis;

Countries

China

Contacts

Public ContactQinxue Dai

The First Affiliated Hospital of Wenzhou Medical University

653091408@qq.com+86 136 9584 2272

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026