Evaluation of Risk Factors for Postoperative Delirium and Its Impact on Prognosis in Elderly Patients Using the Yamaguchi Mental Disorder Scale (YDS) and E-PASS

Evaluation of Risk Factors for Postoperative Delirium and Its Impact on Prognosis in Elderly Patients Using the Yamaguchi Mental Disorder Scale (YDS) and E-PASS - Evaluation of Risk Factors for Postoperative Delirium and Its Impact on Prognosis in Elderly Patients Using the Yamaguchi Mental Disorder Scale (YDS) and E-PASS

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000058149

Enrollment

100

Registered

2025-06-11

Start date

2025-06-11

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

Elderly patients aged 80 years or older who underwent elective surgery for gastroenterological cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Patients aged 80 years or older at the time of surgery 2.Patients who underwent elective surgery for gastrointestinal cancer (esophageal, gastric, colorectal, liver, biliary tract, or pancreatic cancer) 3.Patients who underwent preoperative evaluation using the Yamaguchi Mental Disorder Scale (YDS) 4.Patients with documented presence or absence of postoperative delirium

Exclusion criteria

Exclusion criteria: 1.Patients with impaired communication ability prior to surgery (JCS score of 10 to 300) 2.Cases with evident delirium prior to surgery 3.Patients with multiple primary cancers

Design outcomes

Primary

Measure	Time frame
postoperative survival time	—

Countries

Japan

Contacts

Public ContactYukio Tokumitsu

Yamaguchi University Graduate School of Medicine Department of Gastroenterological, Breast and Endocrine Surgery

yt790604@yamaguchi-u.ac.jp0836222264

Outcome results