Prevalence of cognitive impairment before surgery and factors associated with cognitive impairment.

Prevalence of preoperative cognitive impairment and related factors. - Prevalence of preoperative cognitive impairment and related factors.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000049198

Enrollment

274

Registered

2022-10-12

Start date

2021-10-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Patients 65 years and older scheduled for non-cardiac surgery under general anesthesia. Patients undergoing preoperative evaluation at the Perioperative Management Center

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients scheduled for non-cardiac surgery under general anesthesia. Patients undergoing preoperative evaluation at the Perioperative Management Center.

Exclusion criteria

Exclusion criteria: Patients who were refused to participate in the study. Patients who have been diagnosed with dementia. Patients with limited use of their dominant hand. Patients who are unable to perform preoperative assessment due to visual or hearing impairment. Patients with inadequate preoperative assessment items will be excluded from the analysis.

Design outcomes

Primary

Measure	Time frame
To determine the prevalence of preoperative cognitive impairment.	—

Secondary

Measure	Time frame
To evaluate the correlation between cognitive function and grip strength, nutritional status, and oral frailty. To evaluate the factors associated with cognitive function. To evaluate the effect of perioperative factors on postoperative delirium and postoperative complications.	—

Countries

Japan

Contacts

Public ContactShohei Nakatani

Nara Medical University Department of Anesthesiology

nsm520102@naramed-u.ac.jp0744-22-3051

Outcome results