Predictive value of a diagnostic block in focal nerve injury with neuropathic pain when surgery is considered.
Martijn J A MalessyRalph de BoerIldefonso Muñoz RomeroJob L A EekhofErik W van ZwetMichel KliotAlbert DahanWillem PondaagPublished in: PloS one (2018)
A pain relieving response to one open block is currently considered mandatory before patients with focal nerve injury and neuropathic pain are offered surgery. Blinded blocks including a placebo show that responses for selection should be carefully interpreted because they may not be as predictive as generally presumed.