Status:

COMPLETED

Olfactory Function and Delayed Neurocognitive Recovery

Lead Sponsor:

Shanghai 10th People's Hospital

Collaborating Sponsors:

Massachusetts General Hospital

Conditions:

Delayed Neurocognitive Recovery

Eligibility:

All Genders

65+ years

Phase:

NA

Brief Summary

To explore whether odor enrichment can reduce the risk of delayed neurocognitive recovery as an intervention strategy.

Detailed Description

Postoperative neurocognitive disorder, one of the most common postoperative complications in older adults, includes acute postoperative delirium, delayed neurocognitive recovery (within the 30 days re...

Eligibility Criteria

Inclusion

  • were aged at least 65 years old;
  • were expected a postoperative hospital stay of at least 7 days;
  • had American Society of Anesthesiologist (ASA) class I to II;
  • were native Mandarin speakers;
  • had been referred for a total knee or hip replacement under general anesthesia.

Exclusion

  • were prior diagnosed of neurologic diseases by the International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10);
  • had a history of mental disorders diagnosed using the Diagnostic and Statistical Manual of Mental Disorders (DSM-5);
  • had a history of illness or surgery with nasal or sinus;
  • caught cold within one week;
  • impaired vision or auditory function which may affect the assessments;
  • were unwilling to comply with the protocol or procedures;
  • did not pass the Mini-mental State Examination (illiterates get less than 18 points, primary school graduates get less than 20 points, secondary school graduates or higher get less than 24 points) .

Key Trial Info

Start Date :

January 1 2018

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2022

Estimated Enrollment :

131 Patients enrolled

Trial Details

Trial ID

NCT03441074

Start Date

January 1 2018

End Date

December 31 2022

Last Update

July 31 2025

Active Locations (1)

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1

Shanghai Tenth People's Hospital

Shanghai, Shanghai Municipality, China, 200072