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Forehead Regional Block
Aka: Forehead Regional Block, Regional Anesthesia for the Forehead, Supraorbital Nerve Block, Supratrochlear Nerve Block
- See Also
- Regional Anesthesia (Nerve Block)
- Local Skin Anesthesia
- Field Block
- Hematoma Block
- Digital Block
- Point of Care Ultrasound (POCUS)
- Indication
- Regional Anesthesia for forehead
- Physiology: Landmarks (V1-ophthalmic branch nerves)
- Supraorbital Nerve
- Exits skull at supraorbital foramen, along the orbital ridge
- Upper orbit border, between upper lid and brow
- Centered over upper lid (~2.5 cm lateral to midline) and directly above the pupil on forward gaze
- Supratrochlear Nerve
- Exits skull 1 cm medial to supraorbital foramen
- Technique: Supraorbital and Supratrochlear Nerve Block
- Images
- Locate supraorbital foramen as above
- Insert needle
- Lateral to supraorbital foramen
- Direct needle medially, parallel to brow, toward nose
- Infiltrate mid-two thirds of lower edge of eyebrow
- Use 5-7 cc of 1% Lidocaine
- Inject just above bone level
- Redirect needle if Paresthesias or sharp pain
- Complications
- Eyelid Swelling
- Hematoma
- Periorbital Ecchymosis
- References
- Moy in Pfenninger (1994) Procedures, p. 145-55
- Latham (2014) Am Fam Physician 89(12): 956-62 [PubMed]
- Salam (2004) Am Fam Physician 69(3):585-90 [PubMed]
