Preoperative Pain and POCD in Elderly Patients
Unknown statusNCT03393676
View the official record on ClinicalTrials.gov Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.
This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
The purpose of this study is to investigate whether preoperative pain is the risk factor of POCD in elder patients.
Study details
- Official title
- Preoperative Chronic Pain Increases the Risk of Early Postoperative Cognitive Dysfunction in Elderly Patients Undergoing Hip Joint Replacement Surgery: a Prospective Observational Cohort Study
- Conditions
- Postoperative Cognitive Dysfunction
- Sponsor
- RenJi Hospital
- Start date
- 2018-01-10
- Primary completion
- 2020-03-31
- Sex
- All
- Age range
- from 65 Years
- Results posted
- No results posted in this snapshot
- Countries
- China
- Total sites listed
- 2
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: 1. Elder than 65 years old 2. Speak Chinese Mandarin 3. Those who will undergo major low limb surgery like hemiarthroplasty or total hip arthroplasty with general anesthesia. 4. Signed the inform consent 5. American Society of Anesthesiologists classification I to II Exclusion Criteria: 1. Existing cerebral disease, or have a history of neurological and psychiatric disease including Alzheimer Disease, stroke, epilepsy and psychosis 2. Existing cognitive impairment as evidenced by Mini-Mental State Examination scores below 24 3. Severe hearing or visual impairment 4. Unwillingness to comply with the protocol or procedures 5. Cannot communicate with Chinese Mandarin 6. Serious pulmonary, heart , liver or renal insufficiency patients 7. Had anesthesia or surgery within the past 30 days
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT03393676