Using carotid ultrasound to manage fluid levels and prevent low blood pressure in elderly patients during surgery
Effect of Carotid Ultrasound-guided Fluid Management on Anesthetic-induced Hypotension in Elderly Patients Undergoing Gastrointestinal Surgery
This study tests if using carotid ultrasound to manage fluid levels can help prevent low blood pressure in older patients during gastrointestinal surgery.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 150 (estimated) |
| Ages | 60 Years to 80 Years |
| Sex | All |
| Sponsor | First Affiliated Hospital of Chongqing Medical University Academic / other |
| Locations | 1 site (Chongqing, Chongqing) |
| Trial ID | NCT05891951 on ClinicalTrials.gov |
What this trial studies
This clinical trial investigates whether carotid ultrasound-guided fluid management can reduce the occurrence of hypotension after the induction of general anesthesia in elderly patients undergoing gastrointestinal surgery. Participants aged 60-80 will be assessed for their volume status using carotid ultrasound, and if deemed insufficient, they will receive fluid therapy before anesthesia induction. A comparison group will undergo anesthesia induction without ultrasound guidance. The study aims to determine the effectiveness of this approach in preventing anesthesia-induced hypotension.
Who should consider this trial
Good fit: Ideal candidates are elderly patients aged 60-80 undergoing elective gastrointestinal surgery under general anesthesia.
Not a fit: Patients with significant cardiovascular issues or those with high preoperative blood pressure may not benefit from this study.
Why it matters
Potential benefit: If successful, this approach could significantly reduce the risk of hypotension during surgery, improving safety and outcomes for elderly patients.
How similar studies have performed: While similar approaches have been explored, this specific use of carotid ultrasound for fluid management in this patient population is relatively novel.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age 60-80 years old * gender unlimited * ASA: Grade I-Ⅲ * BMI:18-30kg/㎡ * Patients undergoing elective gastrointestinal surgery under general anesthesia Informed consent Exclusion Criteria: * Carotid artery stenosis ≥50% * Patients with heart valve disease * Patients with left ventricular ejection fraction \< 50% * Patients with cardiac dysfunction (NYHA grade Ⅲ-Ⅳ and/or NTproBNP≥900pg/ml) * Patients Combined with renal insufficiency (creatinine ≥178μmol/L, and/or blood urea nitrogen \> 9mmol/L) * Preoperative systolic blood pressure\> 160mmHg or diastolic blood pressure \> 100mmHg * Refuse to participate in the test * Patients participating in other clinical trials
Where this trial is running
Chongqing, Chongqing
- China,Chongqing The First Affiliated Hospital of Chongqing Medical University — Chongqing, Chongqing, China (Recruiting)
Study contacts
- Study coordinator: Jingfeng Bai
- Email: bjf159323@163.com
- Phone: 15773490489
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.