Stellate Block RLN Hoarseness — FRCA Primary MCQ

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ModerateAnatomyStellate Block RLN HoarsenessFRCA Primary

Regarding the anatomy of the stellate ganglion block the injection is performed at C6 (Chassaignac's tubercle). Which complication is caused by spread of LA to the recurrent laryngeal nerve?

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Correct answer: D — Hoarseness of voice

Spread of LA to the recurrent laryngeal nerve during stellate ganglion block causes ipsilateral vocal cord paralysis and hoarseness. Other complications: Horner's syndrome (expected and confirms block success) / phrenic nerve palsy / brachial plexus block / vertebral artery injection / oesophageal perforation / and pneumothorax.

Reference: RCoA 2021 Primary FRCA Curriculum