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Analysis of the Association between the Trajectory Changes of Frailty in Elderly Patients after Major Abdominal Surgery and Gut Microbiota

Analysis of the Association between the Trajectory Changes of Frailty in Elderly Patients after Major Abdominal Surgery and Gut Microbiota

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112098
Enrollment
Unknown
Registered
2025-11-10
Start date
2025-11-10
Completion date
Unknown
Last updated
2025-11-17

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

Conditions

Postoperative frailty

Interventions

Observation group:None

Sponsors

Beijing Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to No maximum

Inclusion criteria

Inclusion criteria: Age >= 60 years; Patients undergoing elective grade 4 abdominal surgery during general surgery hospitalization; Agree to provide saliva and fecal samples.

Exclusion criteria

Exclusion criteria: There was severe intestinal flora imbalance before the surgery; patients with severe infections requiring long-term anti-infection treatment; those who received probiotic preparations within 3 months; patients with severe oral diseases and a history of oral inflammation (evaluation criteria: 1) Clinical diagnostic criteria: active periodontitis (periodontal pocket depth = 5mm, bleeding on probing); oral ulcer area = 1cm² or lasting > 2 weeks; acute suppurative parotitis or maxillofacial cellulitis; severe caries, involving the dental pulp or requiring root canal treatment. 2) Auxiliary examinations: The oral doctor confirmed through clinical examination and imaging (such as panoramic X-ray) assessment; there were severe heart, lung, liver, and kidney function impairments (evaluation criteria strictly follow the definitions of severe organ dysfunction in international authoritative guidelines: cardiac function using NYHA III-IV grade or ACC/AHA Stage C-D period; pulmonary function based on GOLD 3-4 grade; liver function referring to Child-Pugh C grade or liver function test indicators more than twice the normal value; kidney function based on KDIGO G4-G5 stage to ensure the safety of the study population and the reliability of the data).

Design outcomes

Primary

MeasureTime frame
Improvement rate of frailty;

Secondary

MeasureTime frame
Other clinical outcomes (changes in body weight and body composition, post-discharge complications, re-hospitalization situations);Two groups of inflammatory indicators;Immune status;Change in nutritional status;

Countries

China

Contacts

Public ContactMingwei Zhu

Beijing Hospital

zhumw2013@163.com+86 138 0101 1304

Outcome results

None listed

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