4.6 Article

Clinicians' perspectives on planned interventions tested in the Otago MASTER feasibility trial: an implementation-based process evaluation study

Journal

BMJ OPEN
Volume 13, Issue 4, Pages -

Publisher

BMJ PUBLISHING GROUP
DOI: 10.1136/bmjopen-2022-067745

Keywords

Clinical trials; Shoulder; Musculoskeletal disorders; PAIN MANAGEMENT; QUALITATIVE RESEARCH

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This study conducted a process evaluation of the Otago MASTER feasibility trial to examine the treatment fidelity and clinicians' perceptions of the trial interventions. The findings showed satisfactory treatment fidelity scores for both the tailored exercise and manual therapy intervention (80.3%) and the standardised exercise intervention (82.9%). Clinicians expressed conflicts between their clinical practice and the intervention protocol, with several barriers identified related to program strengths and weaknesses, design and administrative barriers, and training-related barriers.
Objectives This study reports a process evaluation of the Otago MASTER (MAnagement of Subacromial disorders of The shouldER) feasibility trial. This mixed-methods, process evaluation study was conducted parallel to the Otago MASTER feasibility trial. Our aims were to investigate: (1) supervised treatment fidelity of the interventions and (2) clinicians' perceptions of the trial interventions through a focus group. Design Nested process evaluation study using a mixed-methods approach. Setting Outpatient clinic. Participants Five clinicians (two men, three women) aged 47-67 years, with clinical experience of 18-43 years and a minimum of postgraduate certificate training, were involved with the delivery of interventions within the feasibility trial. We assessed treatment fidelity for supervised exercises through audit of clinicians' records and compared those with the planned protocol. Clinicians took part in a focus group that lasted for approximately 1 hour. The focus group was transcribed verbatim and focus group discussion was analysed thematically using an iterative approach. Results The fidelity score for the tailored exercise and manual therapy intervention was 80.3% (SD: 7.7%) and for the standardised exercise intervention, 82.9% (SD: 5.9%). Clinicians' perspectives about the trial and planned intervention were summarised by one main theme 'conflict experienced between individual clinical practice and the intervention protocol', which was supported by three subthemes: (1) programme strengths and weaknesses; (2) design-related and administrative barriers; and (3) training-related barriers. Conclusion This mixed-methods study assessed supervised treatment fidelity of interventions and clinicians' perceptions on planned interventions tested in the Otago MASTER feasibility trial. Overall, treatment fidelity was acceptable for both intervention arms; however, we observed low fidelity for certain domains within the tailored exercise and manual therapy intervention. Our focus group identified several barriers clinicians faced while delivering the planned interventions. Those findings are of relevance for planning the definite trial and for researchers conducting feasibility trials.

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