Lower Extremity Arteriosclerosis Obliterans (Complex Femoropopliteal Lesions)
Conditions
Interventions
Control Group:Conventional IV Sedation-Analgesia (Sufentanil+Dexmedetomidine)
Intervention Group:Ultrasound-guided ilioinguinal ligament and fascia iliaca block combined with popliteal sciatic nerve block
Sponsors
Beijing Friendship Hospital ,Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Age: Between 18 and 80 years old (inclusive). 2.Diagnosis & Procedure: Diagnosed with complex lesions of the superficial femoral artery and/or popliteal artery by imaging (e.g., CTA, DSA), and scheduled for balloon angioplasty (PTA) and/or stent implantation. 3.Physical Status: American Society of Anesthesiologists (ASA) Physical Status Classification of II or III. 4.Body Mass Index (BMI): BMI between 18.5 and 30 kg/m². 5.Informed Consent: Voluntarily agrees to participate and provides written informed consent. 6.Communication Ability: Able to understand and communicate clearly in Chinese to ensure the reliability and consistency of pain assessment (NRS score).
Exclusion criteria
Exclusion criteria: 1.Local Contraindications: Infection, burn, or severe deformity at the intended block site. 2.Preexisting Neurological Deficit: Severe pre-existing sensory or motor dysfunction in the limb to be blocked (e.g., sequelae of stroke, peripheral nerve injury). 3.Coagulopathy: International Normalized Ratio (INR) > 1.4. Platelet count (PLT) 30 mg per day for > 1 month). 7.Recent Analgesic Use: Use of any analgesic medication (except NSAIDs) within 24 hours prior to surgery. 8.Poor Systemic Status: ASA Physical Status Class IV or V. 9.Uncontrolled Neurological/Psychiatric Disease: Uncontrolled epilepsy or severe psychiatric disorder. 10.Severe Hepatic or Renal Impairment: Hepatic impairment with Child-Pugh class C. Estimated glomerular filtration rate (eGFR) 35 kg/m² (forms a continuum with the inclusion criterion). 13.Previous Surgery: History of ipsilateral hip or knee arthroplasty.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peak Pain Intensity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Conversion to General Anesthesia;Hemodynamic Stability;Body Movement;Rescue Analgesic Consumption;Postoperative Opioid Consumption;Postoperative Resting Pain;Incidence of Adverse Events; | — |
Countries
China
Contacts
Public ContactLi Yanpei
Beijing Friendship Hospital ,Capital Medical University
Outcome results
None listed