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Blood Flow Index as an Indicator of Successful Peripheral Nerve Block

Laser Clinical Trial

Official title:
Blood Flow Index as an Indicator of Successful Peripheral Nerve Block : A Prospective Observational Study Using Laser Speckle Contrast Imaging.

Clinical Trial Summary

Laser speckle contrast imaging (LSCI) allows real-time, non-invasive, quantitative measurements of regional blood flow. The aim of this prospective observational study was to evaluate the blood flow changes by LSCI after peripheral nerve block and determine whether this novel optical technique can be used as a reliable indicator of successful blocks.

Clinical Trial Description

Methods: One hundred adult patients scheduled for elective upper or lower limb surgery with peripheral nerve block will receive LSCI measurements and pinprick sensory tests before the block and at 5-min intervals till 30 min after the block. The sensitivity, specificity of LSCI as a diagnostic method will be determined by receiver operator characteristic analysis.

Clinical Implications: LSCI with quantitative data could be used as an indicator of successful blocks. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03169517
Study type Observational
Source Huazhong University of Science and Technology
Contact
Status Completed
Phase N/A
Start date May 27, 2017
Completion date September 4, 2017
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