Comparison of Percutaneous Electrical Nerve Stimulation With Transcutaneous Electrical Nerve Stimulation for Long-Term Pain Relief in Patients With Chronic Low Back Pain

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Comparison of Percutaneous Electrical Nerve Stimulation With Transcutaneous Electrical Nerve Stimulation for Long-Term Pain Relief in Patients With Chronic Low Back Pain
Accessed May 31, 2007
Yokoyama M, Sun X, Oku S, et al.
Anesthesia & Analgesia

The long-term effect of percutaneous electrical nerve stimulation (PENS) on chronic low back pain (LBP) is unclear.Weevaluated the number of sessions for which
PENSshould be performed to alleviate chronic LBP and how long analgesia is sustained. Patients underwent treatment on a twice-weekly schedule for 8 wk. Group
A (n
18) received PENS for 8 wk, group B (n
17) received PENS for the first 4 wk and transcutaneous electrical nerve stimulation (TENS) for the second 4 wk,
and group C (n
18) received TENS for 8 wk. Pain level, degree of physical impairment, and the daily intake of nonsteroidal antiinflammatory drugs (NSAIDs)
were assessed before the first treatment, 3 days after Week 2, Week 4, and Week 8 treatments, and at 1 and 2...

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