Stellate-ganglion block :
The stellate ganglion (or cervicothoracic ganglion or inferior cervical ganglion) is a sympathetic ganglion formed by the fusion of the inferior cervical ganglion and the first thoracic ganglion. Stellate ganglion is located at the level of C7.
Although located at C7 , the needle is inserted at the level of anterior tubercle of transverse process of C6 ( Chassaignac tubercle ) to avoid the piercing the pleura.
Used for upper extremity sympathetic dystrophies.
Signs of successful block :
- Horner's syndrome (miosis , ptosis , enophthalmos)
- Conjunctival Congestion
- Nasal Stuffiness ( Guttmann's Sign )
- Mueller's syndrome - injection of tympanic membrane and warmth of face.
- Skin temperature increase.
MCQ point : NO Bradycardia