Effect of peripheral nerve block on post-operative delirium and post-operative cognitive dysfunction following total hip arthroplasty in elderly patients.

Not Applicable

• Conditions: Patients aged over 60 who undergo total hip arthroplasty under general anesthesia.

• Registration Number: JPRN-UMIN000034071
• Lead Sponsor: Showa university

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2018-09-09
• Study Completion: 2021-03-31
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 80

Inclusion Criteria

Not provided

Exclusion Criteria

1) Patients who are impaired in perception and difficult to undergo cognitive function tests. 2) Patients who can not complete the cognitive function tests. 3) Patients who have neurological disorders. 4) Patients who have mental illness. 5) Patients who have coagulopathy. 6) Patients who have history of cardiac surgery (open heart surgery) and brain surgery. 7) Patients who have alcoholism and drug addiction. 8) Patients who are allergic to local anesthetic. 9) Patients who judged inappropriate by research doctor.

Study & Design

• Study Type: Interventional
• Study Design: Not specified