Although there are different ways of performing medial branch neurotomy on facetogenic low back pain, few studies have compared clinical outcomes of a parallel technique over the medial branch vs. a perpendicular technique. We investigated differences in pain outcome with both techniques.

中文翻译：

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比较垂直的薄电极与平行的厚电极方法在成因性腰背痛中腰内支神经切开术的随机，实用性试验性试验。

尽管对成因性下腰痛进行内侧支神经切开术有不同的方法，但很少有研究比较过平行支技术与垂直支技术在临床上的临床效果。我们研究了两种技术在疼痛结局上的差异。