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The MEV of 0.5% Ropivacaine in Ultrasound-guided SASIS-FICB — SASIS-FICB  

Nerve Block Clinical Trial

Official title:
The Minimum Effective Volume (MEV) of 0.5% Ropivacaine in Ultrasound-guided Supra-anterior Superior Iliac Spine Fascia Iliaca Compartment Block (SASIS-FICB)

Clinical Trial Summary

The Aim of This Study is to Determine the Minimum Effective Volume of Local Anesthetic (Ropivacaine 0.5%) Required to Produce an Effective Ultrasound-guided Supra-anterior Superior Iliac Spine Fascia Iliaca Compartment Block（SASIS-FICB） for Surgical Anesthesia in 90% of Patients Scheduled for Elective Surgery of One Lower Limbs.

Clinical Trial Description

The study is based on biased coin design, and the volume of Local Anesthetic (Ropivacaine 0.5%) for the next patient is determined by the result of the last one. In the case of block failure, the volume will be increased by 2.5ml. Conversely, block success will result in either a reduction in volume by 2.5ml (probability 11%) or no change in volume (probability 89%). A blinded assistant will assess sensory and motor blockade in each nerve territory ( the femoral, obturator and lateral femoral cutaneous nerves) at 5-min intervals up to 30 min after completion of the block. Finally, MEV90 is calculated by isotonic regression. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05012137
Study type Interventional
Source Peking Union Medical College Hospital
Contact Xulei Cui, MD
Phone 13717739381
Email cui.xulei@aliyun.com
Status Not yet recruiting
Phase N/A
Start date August 25, 2021
Completion date November 25, 2021
View Details
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