RESUMO
[Objective] Although there is some evidence for the efficacy of trigger point acupuncture and tender point acupuncture treatments for chronic low back pain, differences between the therapeutic effect of trigger point needling and that of tender point needling remain unclear. We compared the therapeutic effects of trigger point acupuncture and tender point acupuncture treatment for chronic low pack pain in elderly patients.<BR>[Design] Single-blind clinical controlled trial, quasi-randomized, 2 parallel arms.<BR>[Methods] Nine patients, aged 65 or over, with chronic low back pain for at least 6 months were alternately allocated to the trigger point needling group (n=4) or tender point needling group (n=5). Patients received treatments once a week for five weeks. Outcome measures were pain intensity (Visual Analog Scale : VAS) and pain disability (Roland-Morris Disability Questionnaire : RDQ).<BR>[Results] After the treatment period, VAS and RDQ values had improved significantly in the trigger point group, but there were no significant improvements in the tender point group.<BR>[Conclusion] Differences in improvement between the trigger point and tender point groups seem to suggest that the trigger point needling was different from tender meridian point needling in respect to the therapeutic effect. Further studies are necessary to fully assess the efficacy of this treatment for chronic low back pain using a blinded or placebo control group.