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Effects of different preoperative bowel preparation methods on the incidence of postoperative delirium in elderly patients: a prospective cohort study

Effects of different preoperative bowel preparation methods on the incidence of postoperative cognitive dysfunction in elderly patients: a prospective cohort study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900021743
Enrollment
Unknown
Registered
2019-03-07
Start date
2019-03-31
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

postoperative delirium and postoperative cognitive dysfunction

Interventions

Control group:No preoperative bowel preparation
Oral catharsis group:Oral catharsis
Cleansing enema group:Cleansing enema

Sponsors

Guangzhou Women and Children's Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 85 Years

Inclusion criteria

Inclusion criteria: Elderly patients (> 65 years old,=85 years old) undergoing non-cardiac, non-neurological surgery

Exclusion criteria

Exclusion criteria: 1. Refusal to participate in the study; 2. Preoperative communication disorder due to coma, severe dementia, hearing or speech disorder; 3. Neuropsychiatric diseases requiring treatment such as major depression, schizophrenia, epilepsy, Parkinson's disease; 4. Preoperative coma and delirium; 5. Alcohol and drug addicted; 6. Severe liver and kidney dysfunction: Liver function Child-pugh class C, renal dysfunction requiring dialysis before surgery; 7. Severe heart diseases such as myocardial infarction, unstable angina, chronic heart failure (NYHA class III and IV), preoperative left ventricular systolic function <30%; 8. The ASA rating is higher than III.

Design outcomes

Primary

MeasureTime frame
The incidence rate of postoperative delirium;

Secondary

MeasureTime frame
Pain score;Sleep score;Vomiting score;mental State;Constipation score;Hospital stay;Medical expenses during hospitalization;Postoperative complication rate during hospitalization;Complication rate at 30 days after surgery;

Countries

China

Contacts

Public ContactXingrong Song

Department of Anesthesiology, Guangzhou Women and Children's Medical Center

sxjess@126.com+86 13922416303

Outcome results

None listed

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