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The 5-in-2 Ankle Block for Outpatient Foot Surgery: the FIT Block Study
Sponsor: University Hospital, Montpellier
Summary
Hallux valgus surgery is known as a painful surgery. Qualitative pain management is the key to successful early recovery and rehabilitation. Popliteal sciatic nerve block is widely used but at risk of falling due to prolonged motor blockade and foot drop. Ankle block is recognized as a good regional anesthesia technique but requires five skin punctures. FIT block might be a good alternative, aiming to provide an optimal anesthetic block, good postoperative analgesia without motor blockade (calf muscles) and necessitating only two skin punctures. The purpose of this study is to describe the technique and the efficacy and safety of the FIT block for outpatient foot surgery
Official title: The 5-in-2 Ankle Block for Outpatient Foot Surgery: the FIT Block Descriptive Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
80
Start Date
2025-03
Completion Date
2025-06
Last Updated
2025-03-18
Healthy Volunteers
No
Conditions
Interventions
Five-in-two ankle block
The FIT block is a new approach for regional anesthetic block of the ankle. We use an optimized ultrasound guided approach for the FIT Block, based on optimal nerve anatomical locations. A one puncture proximal approach for the fibular nerves is used, while maintaining the benefit of preserved extrinsic motricity. Another one puncture approaches the sural nerve laterally, after the block of the tibial nerve during the same puncture and then the subcutaneous infiltration of the saphenous nerve. An anatomical proof of concept study has been done before the exploratory clinical study. These approaches permit a surgical anesthetic block for foot surgery using 2 punctures (instead of 5) with a single patient's body position, compatible with sedation.