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Acupuncture and dry-needling for low back pain (Review)

Acupuncture and dry-needling for low back pain (Review)

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Tsukayama 2002<br />

Methods<br />

Participants<br />

Interventions<br />

Outcomes<br />

Notes<br />

-R<strong>and</strong>omized. Computer-generated r<strong>and</strong>om number were used to make a sequence of sealed envelopes. An independent<br />

person prepared an allocation table <strong>and</strong> sealed envelopes.<br />

-Outcome assessors were blinded.<br />

-Funding: Grant from the Foundation <strong>for</strong> Training <strong>and</strong> Licensure Examination in Anma-Massage-Acupressure,<br />

<strong>Acupuncture</strong> <strong>and</strong> Moxibustion” <strong>and</strong> the Tsukuba College of Technology.<br />

-Setting: Private clinic in Tsukuba, Japan.<br />

-The study was approved by the Ethics Committee of TCT Clinic. In<strong>for</strong>med consent was taken from patients<br />

according to the ICH/GCP.<br />

-Fol<strong>low</strong>-up: 19 of 20 patients (95%)<br />

-Analysis: Repeated measures ANOVA. No intention-to-treat analysis<br />

20 patients with <strong>low</strong>-<strong>back</strong> <strong>pain</strong> of at least 2 weeks <strong>and</strong> over 20 years old<br />

Excluded: radiculopathy or neuropathy, fracture, tumour, infection or internal disease, other general heath problem<br />

<strong>and</strong> conflicting or ongoing treatments<br />

Duration of <strong>low</strong> <strong>back</strong> <strong>pain</strong>: acupuncture group=2900 days (+/- 1983) <strong>and</strong> TENS group=3120 days (+/- 3306)<br />

Mean age: 45 years old<br />

Gender: 3 males <strong>and</strong> 16 females.<br />

Working status: not described<br />

Previous treatments: acupuncture (4)<br />

1) <strong>Acupuncture</strong>: Points selected by tenderness <strong>and</strong> palpable muscle b<strong>and</strong>s detected on the <strong>low</strong>er <strong>back</strong> <strong>and</strong> the buttock.<br />

Four points bilaterally (8 in total) were used <strong>for</strong> each treatment. Points most frequently used were BL23 <strong>and</strong> BL26.<br />

Two types of disposable stainless steel needles were used, depending on stature <strong>and</strong> fat: 0.20 mm in diameter <strong>and</strong> 50<br />

mm in length <strong>and</strong> 0.24 mm in diameter <strong>and</strong> 60 mm in length. Needles were inserted into the muscles. The average<br />

insertion depth was approximately 20 mm. Electrostimulation was applied to the inserted needles with an electronic<br />

stimulator with a frequency of 1 Hz <strong>for</strong> 15 minutes. Press tack needles were inserted after EA at four of the 8 chosen<br />

points <strong>and</strong> left in situ <strong>for</strong> several days, they are 1.3 mm long projecting from the sticky side of a small round adhesive<br />

dressing.<br />

Patients were treated twice a week <strong>for</strong> 2 weeks, <strong>for</strong> 4 sessions in total.<br />

R<strong>and</strong>omized to this group: 10. Drop-outs: 1<br />

Experience: unknown<br />

2) TENS: Gel type disposable electrodes of 20x30 mm were used <strong>for</strong> 8 points. Electro-stimulation was applied in the<br />

same manner as in the acupuncture group. The intensity was adjusted to the maximum com<strong>for</strong>table level, <strong>and</strong> muscle<br />

contraction was observed. After each session, a poultice containing methyl salicylic acid, menthol <strong>and</strong> antihistamine<br />

was prescribed to be applied to the <strong>low</strong>-<strong>back</strong> region, at home, in-between treatments.<br />

Patients were treated twice a week <strong>for</strong> two weeks, in total 4 sessions.<br />

R<strong>and</strong>omized to this group: 10. No drop-outs.<br />

1) Pain (VAS): average <strong>pain</strong> level on the previous day.<br />

2) JOA score. See description in Sakai 2001<br />

These outcomes were measured 3 days after the last session.<br />

Costs: not reported<br />

Complications: no adverse events reported by the evaluator. The therapists reported transient aggravation of symptoms<br />

in the acupuncture group (1), discom<strong>for</strong>t due to tack needles (1), <strong>pain</strong> on needle insertion (1) <strong>and</strong> small subcutaneous<br />

bleeding (1). In the TENS group: transient aggravation (1), transient fatigue (1) <strong>and</strong> itching (1)<br />

Language: English<br />

Publication: full paper<br />

For results, see the comparisons:<br />

<strong>Acupuncture</strong> <strong>and</strong> <strong>dry</strong>-<strong>needling</strong> <strong>for</strong> <strong>low</strong> <strong>back</strong> <strong>pain</strong> (<strong>Review</strong>)<br />

Copyright © 2011 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.<br />

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