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Titre : | The suitability of sham treatments for use as placebo controls in trials of spinal manipulative therapy: A pilot study (2013) |
Auteurs : | Hannah Lougee ; Ross Johnston ; Oliver P. Thomson |
Type de document : | Article |
Dans : | Journal of Bodywork and Movement Therapies (2013/1, 2013) |
Article en page(s) : | pp. 59-68 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Kinésithérapie (spécialité) ; Manipulation vertébrale ; Ostéopathie ; Placebo |
Mots-clés: | Placebos ; Spinal |
Résumé : |
Despite the augmented use and dependence on manual therapy (MT), there are still calls from both within and outside the MT professions to provide robust evidence that spinal manipulative therapy (SMT) induces therapeutic effects beyond placebo. To facilitate this, placebo or sham treatments, the development of which is notoriously difficult, must be used in rigorously controlled trials. The aim of this study was to investigate the suitability of different shams as controls in SMT trials.
A repeated measures, single-blind, randomised trial was conducted on 10 asymptomatic subjects. Pain pressure thresholds (PPTs) were measured at 2 sites, local and systemic, before and after the application of either high-velocity low-amplitude thrust (HVLAT), sham functional technique (SFT), sham ultrasound (SUS) or no intervention control (NIC) to the cervico-thoracic (CT) junctional area. Treatment credibility was then assessed using a 4-point Likert Scale in response to 4 statements. Results demonstrated no significant change in PPT following any of the interventions, irrespective of site tested. The effect sizes for all interventions were considered small (d = SUS is implicated as being the most effective sham, having high fidelity to subjects' perceptions of a real treatment, whilst being therapeutically inert i.e. results in no significant change in clinical status. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S1360859212001660 |