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Comparison of ultrasound-guided four-nerve combined block and spinal anesthesia in perioperative analgesia and blood pressure fluctuations in the elderly undergoing below-the-knee limb amputation

Comparison of ultrasound-guided four-nerve combined block and spinal anesthesia in perioperative analgesia and blood pressure fluctuations in the elderly undergoing below-the-knee limb amputation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500096221
Enrollment
Unknown
Registered
2025-01-20
Start date
2025-01-20
Completion date
Unknown
Last updated
2025-01-27

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

Conditions

Anesthesia for amputation

Interventions

Group B (Anesthesia: Nerve block anesthesia):None
Group S (Anesthesia: Spinal anesthesia):None

Sponsors

Hanzhong Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 84 Years

Inclusion criteria

Inclusion criteria: 1.Patients aged >= 65 years. 2.Undergoing unilateral below-the-knee amputation. 3.ASA physical status II-III. Complete preoperative, intraoperative, and postoperative data available

Exclusion criteria

Exclusion criteria: 1. Severe systemic disease or contraindications to regional anesthesia 2. Patients with incomplete data 3. Patients converted to general anesthesia

Design outcomes

Primary

MeasureTime frame
VAS;Coefficient of variation of systolic blood pressure;Postoperative Opioid Dosage;Anesthesia maintenance time;Coefficient of variation of diastolic blood pressure;—

Secondary

MeasureTime frame
Anesthesia-related complications;—

Countries

CHINA

Contacts

Public ContactChen Zhipeng

Hanzhong Central Hospital

chzhp521@163.com+86 157 0926 0693

Outcome results

None listed

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