Anatomical variations detected during ultrasound-guided interscalene brachial plexus block and clinical implications

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dc.contributor.authorKilicaslan, Alper
dc.contributor.authorGok, Funda
dc.contributor.authorKorucu, Ismail Hakki
dc.contributor.authorOzkan, Asiye
dc.contributor.authorYilmaz, Resul
dc.date.accessioned2024-02-23T14:41:33Z
dc.date.available2024-02-23T14:41:33Z
dc.date.issued2020
dc.departmentNEÜen_US
dc.description.abstractObjective: Our aim was to evaluate the anatomic variations detected during ultrasound-guided interscalene brachial plexus block (US-ISB) and present their clinical implications. Materials and Methods: After the ethical approval for the study was obtained from the local ethics committee, the files and US records of patients who underwent US-ISB for anesthesia of the shoulder surgery were retrospectively analyzed. Results: Anatomical variations which were considered to affect the block technique were detected in 13 (11.8%) of 110 patients. C5 cervical root pierced the anterior scalene muscle (ASM) in 4.5%, and ventral rami of C5 and/or C6 were located in ASM in 3.6% of patients. There was a muscle bridge between C5 to C6 and C5 to C7 roots in 1.8% of the patients. The brachial plexus was located medial to ASM and missing from interscalene groove in 1.8% of patients. In one case (C5 root was located in ASM), US-ISB resulted in incomplete brachial plexus anesthesia, and so general anesthesia (GA) was performed. Conclusion: Some of the brachial plexus variations in the interscalene area may be associated with further needle manipulation/redirection and block failure. We consider that prospective studies including more populations are needed to elucidate the effects of these variations on block parameters.en_US
dc.identifier.doi10.5472/marumj.816311
dc.identifier.endpage145en_US
dc.identifier.issn1309-9469
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85094324605en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage141en_US
dc.identifier.urihttps://doi.org/10.5472/marumj.816311
dc.identifier.urihttps://hdl.handle.net/20.500.12452/16903
dc.identifier.volume33en_US
dc.identifier.wosWOS:000589593900006en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMarmara Univ, Fac Medicineen_US
dc.relation.ispartofMarmara Medical Journalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBrachial Plexusen_US
dc.subjectInterscalene Blocken_US
dc.subjectUltrasonographyen_US
dc.subjectVariationsen_US
dc.titleAnatomical variations detected during ultrasound-guided interscalene brachial plexus block and clinical implicationsen_US
dc.typeArticleen_US

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