Value of preoperative ultrasound quadriceps muscle thickness and echo intensity in predicting postoperative delirium in elderly adults undergoing gastrointestinal surgery

Status

Recruiting

Phases

Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300074304

Enrollment

Unknown

Registered

2023-08-03

Start date

2023-08-15

Completion date

Unknown

Last updated

2023-08-07

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

Conditions

postoperative delirium

Interventions

case series:no

Eligibility

Sex/Gender

All

Age

65 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Aged =65 years old, gender is not limited; 2. Gastrointestinal surgery under general anesthesia; 3. Be able to provide written informed consent.

Exclusion criteria

Exclusion criteria: 1. Preoperative delirium; 2. Limb amputation, paraplegia or diseases affecting muscles; 3. The patient dies or loses to follow-up within 7 days after surgery; 4. Skin damage, ulceration, local infection, severe obesity and other unsuitable ultrasound examination; 5. Inability to cooperate (severe deafness, complete blindness, aphasia, etc.); 6. Participating in other clinical trials; 7. The patient is unwilling to comply with the protocol or procedure.

Design outcomes

Primary

Measure	Time frame
Quadriceps thickness;Quadriceps echo intensity;	—

Secondary

Measure	Time frame
Incidence of postoperative delirium;Postoperative delirium severity;CRP;Duration of surgery; The bispectral index Minimum;Hypotensive events;Hemoglobin;Albumin;Preoperative cognitive function;	—

Countries

China

Contacts

Public ContactCunjin Wang

Subei People's Hospital

zebra1987@126.com+86 180 5106 1453

Outcome results

None listed

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