Ischemic diseases of the lower extremities
Conditions
Interventions
High ankle block group:Stage 1: ultrasound-guided high ankle access nerve block
Stage 2: for patients with lower limb ulcers, ultrasound-guided high ankle access nerve block was performed to observe the progress of the patients condition, and ultrasound-guided high ankle access n
Drug treatment group:Stage 1: conventional drug treatment
Stage 2: for patients with lower limb ulcers, observe the progress of the patients condition after conventional drug treatment, and use local infiltration anesthesia if further debridement surgery is
Sponsors
Xuzhou Central Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Agree to participate in this study and sign the informed consent form; 2. Age>=18 years old, good communication skills and able to cooperate with the completion of various testing operations; 3. American Society of Anesthesiologists (ASA) classification I-III; 4. Diagnosed with chronic lower limb ischemic diseases (including atherosclerosis, thromboangiitis obliterans, diabetic foot, etc.); 5. Patients with vascular stenosis confirmed by CTA examination of lower limb arteries.
Exclusion criteria
Exclusion criteria: 1. BMI>=40kg/m^2; 2. Those with a history of local anesthetic allergy and contraindications to nerve block anesthesia; 3. Those with serious heart, liver, lung, kidney and other important organ diseases; 4. Patients with severe infection at the puncture site and obvious abnormality of coagulation function; 5. Patients with cognitive or mental dysfunction; 6. Those who are pregnant; 7. Patients with acute ischemic disease of the lower limbs, complete occlusion of the arteries of the lower limbs, and stenosis of the abdominal aorta and iliac arteries; 8. Patients with active arteritis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ankle brachial index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pulse perfusion index of the first toe of the affected foot;Blood flow parameters of anterior tibial artery and posterior tibial artery of both lower limbs;Skin temperature of the bunion, dorsalis pedis and anterior tibial region;Ulcerated area;Nerve conduction assay (current strength, nerve conduction time);Visual Analogue Scale; | — |
Countries
China
Contacts
Public ContactWang Kai
Xuzhou Central Hospital
Outcome results
None listed