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Traction for low‐back pain with or without sciatica

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Abstract

Background

Various types of traction are used in the treatment of low‐back pain (LBP), often in conjunction with other treatments.

Objectives

To determine the effectiveness of traction in the management of LBP.

Search methods

We searched The Cochrane Library 2004, Issue 4, MEDLINE, EMBASE, and CINAHL to November 2004, references in relevant reviews, and our personal files.

Selection criteria

Randomized controlled trials (RCTs) examining any type of traction for the treatment of acute (less than four weeks duration), sub‐acute (four to 12 weeks) or chronic (more than 12 weeks) non‐specific LBP with or without sciatica.

Data collection and analysis

Study selection, methodological quality assessment and data extraction were done independently by sets of two reviewers. As available studies did not provide sufficient data for statistical pooling, a qualitative analysis was performed.

Main results

Twenty‐four RCTs, involving 2177 patients (1016 receiving traction) were included in the review. Five trials were considered high quality.

There is strong evidence that there is no significant difference in short or long‐term outcomes between either continuous or intermittent traction and placebo, sham, or other treatments for patients with a mixed duration of LBP, with or without sciatica.

There is moderate evidence that:

autotraction is more effective
other forms of traction are no more effective

than placebo, sham or no treatment for patients with a mixed duration of LBP with sciatica.

There is limited evidence that:

there is no significant difference in outcomes between a standard physical therapy program with continuous traction and the same program without traction, for patients with a mixed duration of LBP, with or without sciatica
autotraction on its own is more effective than a physical therapy program that includes Tru‐Trac traction

for patients with a mixed duration of LBP with sciatica.

There is conflicting evidence regarding the short‐term effectiveness of either continuous or intermittent traction compared to placebo, sham or other treatments, in the management of patients who have either chronic LBP or a mixed duration of LBP with sciatica.

Authors' conclusions

The evidence suggests that traction is probably not effective.

Neither continuous nor intermittent traction by itself was more effective in improving pain, disability or work absence than placebo, sham or other treatments for patients with a mixed duration of LBP, with or without sciatica. Although trials studying patients with sciatica had methodological limitations and inconsistent results, there was moderate evidence that autotraction was more effective than mechanical traction for global improvement in this population.

PICO

Population
Intervention
Comparison
Outcome

El uso y la enseñanza del modelo PICO están muy extendidos en el ámbito de la atención sanitaria basada en la evidencia para formular preguntas y estrategias de búsqueda y para caracterizar estudios o metanálisis clínicos. PICO son las siglas en inglés de cuatro posibles componentes de una pregunta de investigación: paciente, población o problema; intervención; comparación; desenlace (outcome).

Para saber más sobre el uso del modelo PICO, puede consultar el Manual Cochrane.

Plain language summary

The evidence suggests that traction is probably not effective.

For patients with a mixed duration of low‐back pain (LBP), with or without sciatica, continuous or intermittent traction by itself was no more effective than placebo, sham or other treatments in improving pain, function or work absenteeism.

In studies that examined only patients with sciatica, the evidence was inconsistent as to whether continuous or intermittent traction was more effective than placebo, sham or other treatments for improving pain and function. There was moderate evidence that autotraction was more effective than mechanical traction for global improvement in the same population.

This review included 24 RCTs, and 2177 patients with a mix of acute, sub‐acute or chronic LBP, with or without sciatica. Traction was compared to placebo, sham, no treatment, or other treatments. Different types of traction were examined by themselves or as part of a multi‐treatment program.