Peripheral nerve field stimulation for the management of localized chronic intractable back pain: results from a randomized controlled study.

Objectives: Improved device technology has caused a renewed interest in peripheral nerve field stimulation (PNfS). This study sought to obtain preliminary estimates of the safety and efficacy of PNfS in patients with localized chronic intractable pain of the back.

Materials And Methods: This Institutional Review Board-approved, prospective, randomized, controlled, crossover study consisted of two phases.