Popliteal Block for Lower Limb Angioplasty

Mahidol University40 enrolled

Overview

Endovascular revascularization is an effective procedure in treatment of chronic critical limb ischemia. The less invasive procedure in high risk patients produce the benefit to the patients. However, some of the patients cannot tolerate local anaesthesia. These patients need sedation or even general anaesthesia, which increase unnecessary risk to the patients. This study is conducted to evaluate the benefit of popliteal sciatic nerve block or popliteal block compare to sedation in critical limb patients undergoing angioplasty.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

OTHER

Masking

DOUBLE

Enrollment

Conditions

Angioplasty Anaesthesia and Analgesia

Interventions

Popliteal blockPROCEDURE

Sciatic nerve block at popliteal fossa would perform before the participant undergoing angioplasty in experimental arm.

ControlOTHER

Sciatic nerve at popliteal fossa would be scanned with the ultrasound. The toothpick would be applied to simulate the procedure of nerve block.

Eligibility

Sex: ALLMin age: 21 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Age more than 20 year-old with chronic ischemic limb pain * Scheduled for peripheral angioplasty under monitor anaesthesia care * Expected timing of procedure not more than 3 hours Exclusion Criteria: * Age less than 21 * Cannot cooperate with the staff * Having pain in other areas or both legs * Contraindicate for nerve block * Allergy to local anesthetic drugs or sedative drugs

Locations (1)

Anesthesiology department, Siriraj Hospital, Mahidol University

Bangkok, Thailand

Outcomes

Primary Outcomes

Incidence of general anaesthesia

Time frame: Five hours

Secondary Outcomes

Numerical pain rating scale during procedure

Time frame: Five hours

Data from ClinicalTrials.gov

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