Perfusion Index for Predicting Brachial Plexus Block Success Under General Anesthesia
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- STATUS
- Recruiting
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- End date
- Feb 28, 2024
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- participants needed
- 70
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- sponsor
- Korea University Guro Hospital
Summary
This study was designed to determine whether the success or failure of interscalene brachial plexus block under general anesthesia can be predicted using perfusion index (PI).
Description
The success of peripheral nerve blocks is usually evaluated by assessment of sensory and motor function; however, this method cannot be applied in the patient who has uncheckable mental status, e.g. general anesthesia, or who is uncommunicable, e.g. different language user.
The perfusion index (PI) is a numerical value for the ratio between pulsatile and non-pulsatile blood flow measured by a special pulse oximeter, and PI had been proved as a useful tool for evaluation of successful supraclavicular nerve block in awake patients as an objective method.
With the use of ultrasound guidance in skilled hands, it is a reasonable option to perform neuraxial and peripheral regional blocks in sedated or anesthetized patients. However, there has been no evidence of applying PI for predicting the success of nerve block in general anesthetized patients.
Details
| Condition | disorder of shoulder, Shoulder Disease |
|---|---|
| Treatment | Interscalene brachial plexus blocks with ultrasound guidance under general anesthesia |
| Clinical Study Identifier | NCT04925505 |
| Sponsor | Korea University Guro Hospital |
| Last Modified on | 25 June 2021 |
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