JRSM >
Volume 99, Number 6 >
Pp. 278-279
Letters |
Clinical Research Centre for Health Professions, University of Brighton, Eastbourne, East Sussex BN20 7UR, UK
E-mail: C.A.Fawkes{at}brighton.ac.uk
If the paper by Ernst and Canter (April 2006 JRSM1) was produced in the name of science or to support evidence based practice then the quality of the paper is of serious concern.
The systematic reviews surveyed by Ernst and Canter used various terms for the intervention: `manipulation' and `manual therapy' and `mobilization'. The terms were usually poorly defined even in the original studies. These terms describe quite distinct types of manual intervention, producing differing physiological effects. They cannot be used interchangeably and are not equivalent to spinal manipulation. Moreover, the methodology is intrinsically remote from the primary data, and the data the authors reviewed did not justify the conclusions they drew.
It is unfortunate that Ernst and Canter's cut-off date excluded a recent rigorous systematic review and meta-analysis by Licciardone et al.2 which evaluated the effectiveness of osteopathic manipulative treatment for low back pain. This study concluded that osteopathic manipulative treatment `... significantly reduces low back pain. The level of pain reduction is greater than expected from placebo effects alone and persists for at least three months'.
The professions which utilize manual therapy recognize the need for more evidence to support the range of manual therapy techniques and are already engaged in this process; access to funding remains a considerable barrier to conducting as much research as the professions would like.
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