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Using a modified nominal group technique to develop complex interventions for a randomised controlled trial in children with symptomatic pes planus.

Backhouse, M; Parker, DJ; Morrison, S; Anderson, J; Cockayne, S; Adamson, JA

Using a modified nominal group technique to develop complex interventions for a randomised controlled trial in children with symptomatic pes planus. Thumbnail


Authors

M Backhouse

S Morrison

J Anderson

S Cockayne

JA Adamson



Abstract

BackgroundChildren with symptomatic flat feet (pes planus) frequently present for care but there remains uncertainty about how best to manage their condition. There is considerable variation in practice between and within professions. We intend to conduct a three-arm trial to evaluate three frequently used interventions for pes planus (exercise and advice, exercise and advice plus prefabricated orthoses, and exercise and advice plus custom made orthoses). Each of these interventions are complex and required developing prior to starting the trial. This paper focusses on the development process undertaken to develop the interventions.MethodsWe used a modified Nominal Group Technique combining an electronic survey with two face-to-face meetings to achieve consensus on the final logic model and menu of options for each intervention. Using the Nominal Group Technique across consecutive meetings in combination with a questionnaire is novel, and enabled us to develop complex interventions that reflect contemporary clinical practice.ResultsIn total 16 healthcare professionals took part in the consensus. These consisted of 11 podiatrists, two orthotists, two physiotherapists, and one orthopaedic surgeon. Both meetings endorsed the logic model with amendments to reflect the wider psychosocial impact of pes planus and its treatment, as well as the increasing use of shared decision making in practice. Short lists of options were agreed for prefabricated and custom made orthoses, structures to target in stretching and strengthening exercises, and elements of health education and advice.ConclusionsOur novel modification of the nominal group technique produced a coherent logic model and shortlist of options for each of the interventions that explicitly enable adaptability. We formed a consensus on the range of what is permissible within each intervention so that their integrity is kept intact and they can be adapted and pragmatically applied. The process of combining survey data with face-to-face meetings has ensured the interventions mirror contemporary practice and may provide a template for other trials.

Citation

Backhouse, M., Parker, D., Morrison, S., Anderson, J., Cockayne, S., & Adamson, J. (2022). Using a modified nominal group technique to develop complex interventions for a randomised controlled trial in children with symptomatic pes planus. Trials, 23(1), 286. https://doi.org/10.1186/s13063-022-06251-7

Journal Article Type Article
Online Publication Date Apr 11, 2022
Publication Date Apr 11, 2022
Deposit Date Jun 15, 2022
Publicly Available Date Jun 15, 2022
Journal Trials
Publisher Springer Verlag
Volume 23
Issue 1
Pages 286
DOI https://doi.org/10.1186/s13063-022-06251-7
Keywords Exercise, Complex Interventions, Consensus, Insoles, Orthotic Devices, Orthoses, Nominal Group Technique, Pes Planus, Consensus Development, Foot Health Advice, Humans, Flatfoot, Exercise Therapy, Child, Physical Therapists, Surveys and Questionnaires
Publisher URL https://doi.org/10.1186/s13063-022-06251-7
Additional Information Projects : NIHR 127510

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