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Impact of Preoperative Sleep Status on Postoperative Appetite Loss in Elderly Patients Undergoing Elective Orthopedic Lower Limb Surgery : A Prospective Observational Cohort Study

Impact of Preoperative Sleep Status on Postoperative Appetite Loss in Elderly Patients Undergoing Elective Orthopedic Lower Limb Surgery : A Prospective Observational Cohort Study

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110469
Enrollment
Unknown
Registered
2025-10-14
Start date
2025-10-23
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Postoperative Appetite Loss

Interventions

Observational group:None

Sponsors

The Third People's Hospital of Bengbu
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. American Society of Anesthesiologists (ASA) physical status classification I–III; 2. age>= 65 years; 3. scheduled for elective orthopedic lower limb Surgery.

Exclusion criteria

Exclusion criteria: 1. Preoperative malnutrition (Mini Nutritional Assessment, MNA score =7 days or dependence on parenteral nutrition; 5. Anticipated postoperative transfer to the ICU; 6. Presence of severe dementia or other significant cognitive impairment preventing communication or understanding of assessment scales; 7. Need for a second surgery within a short time frame; 8. Refusal to provide informed consent or inability to comply with the study protocol.

Design outcomes

Primary

MeasureTime frame
Incidence of decreased appetite at 7 days after surgery;

Secondary

MeasureTime frame
CNAQ scores at 7 days, 1 and 3 months after surgery;Visual Analog Scale for appetite (VAS-Appetite) scores at 7 days after surgery;Sleep quality on postoperative day 7 during hospital stay;Cognitive function within 7 days after surgery;HADS scores assessing anxiety and depression within 7 days after surgery;Frailty status at 7 days after surgery;Postoperative gastrointestinal function recovery at 7 days after surgery;Time to first flatus or defecation after surgery;Quality of Recovery scores at 7 days after surgery;Cumulative readmission incidence at 3 months;

Countries

China

Contacts

Public ContactZhou Ziming

The Third People's Hospital of Bengbu

DrZhou0718@163.com+86 152 5546 1788

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026