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The effect of Periodontitis on Postoperative Delirium in Elderly Patients: A Prospective Cohort Study

The effect of Periodontitis on Postoperative Delirium in Elderly Patients: A Prospective Cohort Study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500097036
Enrollment
Unknown
Registered
2025-02-11
Start date
2025-02-11
Completion date
Unknown
Last updated
2025-02-17

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

Conditions

periodontitis

Interventions

healthy group:None

Sponsors

The First Affiliated Hospital of Anhui Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
66 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Age>65 years old; 2. ASA grades I-IV; 3. Patients who plan to undergo large-scale non cardiac or non cranial surgery (surgery time>2 hours) under general anesthesia; 4. Agree to participate in this study and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Patients who experienced delirium preoperatively (assessed using the 3D-CAM scale); 2. Patients who are unable to cooperate with the researchers for any reason, such as hearing or visual impairments, or language comprehension disorders; 3. Patients with a history of severe mental illness: such as cognitive impairment (assessed using the MMSE scale), depression, severe central nervous system depression, Parkinson's disease, basal ganglia lesions, schizophrenia, epilepsy, Alzheimer's disease, myasthenia gravis, etc., and those taking psychotropic medications; 4. Patients who have been on long-term corticosteroid therapy (including oral, intramuscular, or intravenous administration), or those taking probiotics or other microbial preparations; 5. Patients who lack the capacity to provide informed consent; 6. Patients who have received general anesthesia within 30 days preoperatively; 7. Patients who have undergone periodontal treatment within six months preoperatively; 8. Patients with more than 15 natural teeth, and at least 3 teeth in each quadrant; 9. Patients who have used antibiotics within six months preoperatively.

Design outcomes

Primary

MeasureTime frame
The incidence and severity of postoperative delirium;

Secondary

MeasureTime frame
Postoperative pain score;Postoperative hospitalization days;Postoperative pneumonia incidence rate;Postoperative ICU admission rate;

Countries

China

Contacts

Public ContactLiu Xuesheng

The First Affiliated Hospital of Anhui Medical University

liuxuesheng@ahmu.edu.cn+86 186 5519 3385

Outcome results

None listed

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