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. 2023 Jul 7;31(1):19.
doi: 10.1186/s12998-023-00491-3.

Investigating force-time characteristics of prone thoracic SMT and self-reported patient outcome measures: a feasibility study

Grand Choi  1 , Dominic Giuliano  1 , Anthony Tibbles  1 , Samuel J Howarth  1 , Steve Tran  1 , Joyce Lee  1 , Martha Funabashi  2   3
Affiliations

Investigating force-time characteristics of prone thoracic SMT and self-reported patient outcome measures: a feasibility study

Grand Choi et al. Chiropr Man Therap. .

Abstract

Background: Spinal manipulative therapy (SMT) is commonly used to treat musculoskeletal conditions, including thoracic spine pain. Applying patient-specific force-time characteristics are believed to be important to improve SMT's effectiveness. Investigating SMT as part of a multimodal approach is fundamental to account for the complexity of chiropractic clinical practice. Therefore, pragmatic investigations balancing minimal disruptions to the clinical encounter at the same time as ensuring a robust data quality with rigorous protocols are needed. Consequently, preliminary studies are required to assess the study protocol, quality of data recorded and the sustainability of such investigation. Therefore, this study examined the feasibility of investigating SMT force-time characteristics and clinical outcome measures in a clinical setting.

Methods: In this mixed-methods study, providers recorded thoracic SMT force-time characteristics delivered to patients with thoracic spinal pain during regular clinical encounters. Self-reported clinical outcomes of pain, stiffness, comfort during the SMT (using an electronic visual analogue scale), and global rating of change scale were measured before and after each SMT application. Feasibility was quantitatively assessed for participant recruitment, data collection and data quality. Qualitative data assessed participants' perceptions on the impact of data collection on patient management and clinical flow.

Results: Twelve providers (58% female, 27.3 ± 5.0 years old) and twelve patients (58% female, 37.2 ± 14.0 years old) participated in the study. Enrolment rate was greater than 40%, data collection rate was 49% and erroneous data was less than 5%. Participant acceptance was good with both providers and patients reporting positive experience with the study.

Conclusions: Recording SMT force-time characteristics and self-reported clinical outcome measures during a clinical encounter may be feasible with specific modification to the current protocol. The study protocol did not negatively impact patient management. Specific strategies to optimize the data collection protocol for the development of a large clinical database are being developed.

Keywords: Clinical setting; Force measurement; Spinal manipulative therapy; Thoracic spine pain.

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Figures

Fig. 1
Fig. 1
Spinal manipulative therapy force-time characteristics: a) preload force; b) force dip; c) peak thrust force; d) total peak force; e) time to peak; f) loading rate
Fig. 2
Fig. 2
Participant flow chart for: A = providers and B = patients
See this image and copyright information in PMC

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