Combined magnetic fields accelerate and increase spine fusion: a double-blind, randomized, placebo controlled study.

Study Design: The clinical study conducted was a prospective, randomized, double-blind, placebo-controlled trial.

Objectives: The purpose of this study was to evaluate the effect of combined magnetic fields on the healing of primary noninstrumented posterolateral lumbar spine fusion.

Summary Of Background Data: Combined magnetic fields, a new type of biophysical stimulus, have been shown to act by stimulating endogenous production of growth factors that regulate the healing process.