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ORIGINAL ARTICLE
Year : 2017  |  Volume : 30  |  Issue : 2  |  Page : 544-547

Theapplication of ultrasound, atypical muscle fibers around the roots of the interscalene brachial plexus, and effects on the interscalene nerve block


Department of Anaesthesia, Faculty of Medicine, Menoufia University, Shebin Elkom, Menoufia, Egypt

Correspondence Address:
Heba Aboheeba
Menoufia, 32511
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1110-2098.215444

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Objectives The purpose of this study was to estimate the ability of ultrasound(US) to identify the presence of atypical muscle fibers around the roots of the interscalene brachial plexus and their relevance to the performance of continuous interscalene nerve block. Background Ultrasonography is a very effective technique for detecting the altered anatomy within the interscalene area and it helps to avoid complications like intraneural and intravascular injections. Methods This study included 215patients who received a US-guided interscalene brachial plexus catheter and underwent general anesthesia for shoulder surgery. All patients were examined using US for detection of atypical muscle fibers around the roots of the interscalene brachial plexus and for evaluating pain on the Numerical Rating Scale in the postoperative days. Results The presence of muscle bridges around the roots of the interscalene brachial plexus did not show any statistically significant differences in Numerical Rating Scale pain scores at rest and during movement on the second and third postoperative days. Conclusion US is a very effective technique for detecting the altered anatomy and increases the efficacy of the interscalene nerve block.


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