What does consistent bilateral nerve conduction study results suggest?

Consistent bilateral nerve conduction study results suggest a systemic condition rather than a localized issue because bilateral findings indicate that both sides of the body are experiencing similar abnormalities. This symmetry often points to a widespread condition affecting the peripheral nervous system, rather than a specific localized nerve injury, which would typically show asymmetrical results. Conditions such as diabetic neuropathy, Guillain-Barré syndrome, or other polyneuropathies often present with similar deficits on both sides, as they affect multiple nerves in a generalized manner rather than targeting one specific nerve or area.

While localized injuries typically result in unilateral findings, systemic conditions can cause generalized symptoms, leading to bilateral abnormalities on nerve conduction studies. Therefore, the interpretation of such consistent findings in nerve conduction studies leans toward systemic issues that are affecting the nerves more broadly.