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Riddle DL, Dumenci L. Comment on "Prospective Back Pain Trajectories or Retrospective Recall - Which Tells Us Most About the Patient?" by Nim and Colleagues. THE JOURNAL OF PAIN 2024:104581. [PMID: 38904599 DOI: 10.1016/j.jpain.2024.104581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 05/18/2024] [Indexed: 06/22/2024]
Affiliation(s)
| | - Levent Dumenci
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, Philadelphia, Pennsylvania
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Nim C, Downie AS, Kongsted A, Aspinall SL, Harsted S, Nyirö L, Vach W. Prospective Back Pain Trajectories or Retrospective Recall-Which Tells Us Most About the Patient? THE JOURNAL OF PAIN 2024:104555. [PMID: 38719157 DOI: 10.1016/j.jpain.2024.104555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/02/2024] [Accepted: 04/28/2024] [Indexed: 05/23/2024]
Abstract
In patients with low back pain (LBP), a visually identified retrospective pain trajectory often mismatches with a trajectory derived from prospective repeated measures. To gain insight into the clinical relevance of the 2 trajectory types, we investigated which showed a higher association with clinical outcomes. Participants were 724 adults seeking care for LBP in Danish chiropractic primary care. They answered weekly short-message-services on pain intensity and frequency over 52 weeks, which we translated into 8 trajectory classes. After 52 weeks, participants selected a retrospective visual pain trajectory from the same 8 trajectory classes. Clinical outcomes included disability, back/leg pain intensity, back beliefs, and work ability. The patient-selected pain trajectory classes were more strongly associated with clinical outcomes than the short-message-service trajectory classes at baseline, at follow-up, and with outcome changes between baseline and follow-up. This held across all 5 clinical outcomes, with the strongest associations observed at week 52 and the weakest at baseline. Patients' retrospective assessment of their LBP is more strongly associated with their clinical status than their prospective assessments translated into trajectory classes. This suggests that retrospective assessments of pain trajectories may provide valuable information not captured by prospective assessments. Researchers collecting prospective pain data should know that the captured pain trajectories are not strongly reflected in patients' perceptions of clinical status. Patients' retrospective assessments seem to offer an interpretation of their pain course that is likely more clinically relevant in understanding the perceived impact of their condition than trajectories based on repeated measures. PERSPECTIVE: Prospective pain data inadequately reflect patients' clinical status. Retrospective assessments provide a more clinically valuable understanding of the impact of their condition.
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Affiliation(s)
- Casper Nim
- Medical Research Unit, Spine Centre of Southern Denmark, University Hospital of Southern Denmark, Middelfart, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark; Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
| | - Aron S Downie
- Faculty of Medicine, Health and Human Sciences, Department of Chiropractic, Macquarie University, Sydney, Australia
| | - Alice Kongsted
- Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark; Chiropractic Knowledge Hub, Odense, Denmark
| | - Sasha L Aspinall
- School of Allied Health, College of Health and Education, Murdoch University, Perth, Australia
| | - Steen Harsted
- Medical Research Unit, Spine Centre of Southern Denmark, University Hospital of Southern Denmark, Middelfart, Denmark; Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Luana Nyirö
- Department of Chiropractic Medicine, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Werner Vach
- Basel Academy for Quality and Research in Medicine, Basel, Switzerland
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Lalji R, Hofstetter L, Kongsted A, von Wyl V, Braun J, Puhan MA, Hincapié CA. Swiss chiropractic cohort (Swiss ChiCo) pilot study: feasibility for a musculoskeletal cohort study conducted within a nationwide practice-based research network. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2024; 33:2068-2078. [PMID: 38480624 DOI: 10.1007/s00586-024-08175-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 09/22/2023] [Accepted: 01/30/2024] [Indexed: 06/18/2024]
Abstract
PURPOSE Practice-based research networks are collaborations between clinicians and researchers to advance primary care research. This study aims to assess the feasibility for longitudinal data collection within a newly established chiropractic PBRN in Switzerland. METHODS A prospective observational cohort feasibility study was performed. PBRN participating chiropractors were asked to recruit patients seeking new conservative health care for musculoskeletal pain from March 28, 2022, to September 28, 2022. Participants completed clinically oriented survey questions and patient-reported outcome measures before the initial chiropractic assessment as well as 1 h, 2 weeks, 6 weeks, and 12 weeks thereafter. Feasibility was assessed through a variety of process, resource, and management metrics. Patient clinical outcomes were also assessed. RESULTS A total of 76 clinicians from 35 unique primary care chiropractic clinics across Switzerland participated. A total of 1431 patients were invited to participate, of which 573 (mean age 47 years, 51% female) were enrolled. Patient survey response proportions were 76%, 64%, 61%, and 56%, at the 1-h, 2-, 6-, and 12-week survey follow-ups, respectively. Evidence of an association was found between increased patient age (OR = 1.03, 95%CI 1.01-1.04), patient from a German-speaking region (OR = 1.81, 95%CI 1.17-2.86), non-smokers (OR = 1.89, 95%CI 1.13-3.17), and increased pain impact score at baseline (OR = 1.18, 95%CI 1.01-1.38) and response to all surveys. CONCLUSION The Swiss ChiCo pilot study exceeded its prespecified feasibility objectives. Nationwide longitudinal data capture was highly feasible. Similar to other practice-based cohorts, participant retention remains a challenge. Trial registration Swiss chiropractic cohort (Swiss ChiCo) pilot study (ClinicalTrials.gov identifier: NCT05116020).
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Affiliation(s)
- Rahim Lalji
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008, Zurich, Switzerland
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
- University Spine Centre Zurich (UWZH), Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Léonie Hofstetter
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008, Zurich, Switzerland
| | - Alice Kongsted
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Chiropractic Knowledge Hub, Odense, Denmark
| | - Viktor von Wyl
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
- Institute for Implementation Science in Health Care, University of Zurich, Zurich, Switzerland
| | - Julia Braun
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
| | - Milo A Puhan
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
| | - Cesar A Hincapié
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008, Zurich, Switzerland.
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland.
- University Spine Centre Zurich (UWZH), Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
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Pedersen JR, Hartvigsen J, Hoegh M, Thorlund JB. Self-reported characteristics of people seeking primary care physiotherapy in Denmark: A cross-sectional study. PHYSIOTHERAPY RESEARCH INTERNATIONAL 2024; 29:e2068. [PMID: 38103171 DOI: 10.1002/pri.2068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/06/2023] [Accepted: 11/30/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Limited knowledge exists on the self-reported characteristics of patients seeking primary care physiotherapy in Denmark. OBJECTIVES To describe primary symptom site, co-occurrent pain sites, pain intensity, symptom duration, and number of symptom episodes in patients seeking primary care physiotherapy using patient-reported data. METHODS Cross-sectional study of patients seeking primary care physiotherapy within a nationwide network of clinics in Denmark (FysioDanmark® ). Data from the FysioDanmark® clinical database with patient-reported information obtained from questionnaires distributed to patients prior to their first consultation were used. This included primary symptom site, co-occurrent pain sites, pain intensity (0-10 numeric rating scale), symptom duration, and number of symptom episodes. RESULTS Data from 61,097 patients (57% female) aged 42 years (interquartile range 29-53) and 63,566 first visits were included. The most common reasons for seeking care were back- (22.9%), non-specific- (19.8%) and shoulder symptoms (15.9%). The majority of patients (89.4%) reported symptoms lasting longer than 7 days, and many experienced recurrent episodes. Median pain intensity ranged from 3 to 5 across primary symptom sites and age groups. In general, females reported higher pain intensity than males. CONCLUSION Danish patients seeking primary care physiotherapy most commonly presented with back, non-specific, and shoulder symptoms, with mild-to-moderate pain lasting longer than 7 days, and many with recurrent episodes.
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Affiliation(s)
- Julie Rønne Pedersen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Jan Hartvigsen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Chiropractic Knowledge Hub, Odense, Denmark
| | - Morten Hoegh
- Faculty of Medicine, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Jonas Bloch Thorlund
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Department of Public Health, University of Southern Denmark, Odense, Denmark
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Nim CG, Vach W, Downie A, Kongsted A. Do Visual Pain Trajectories Reflect the Actual Course of Low Back Pain? A Longitudinal Cohort Study. THE JOURNAL OF PAIN 2023; 24:1506-1521. [PMID: 37044294 DOI: 10.1016/j.jpain.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 03/31/2023] [Accepted: 04/07/2023] [Indexed: 04/14/2023]
Abstract
Different trajectories of low back pain (LBP) have been identified prospectively using repeated measures. For these trajectories to inform clinical practice, they must be available in the clinical consultation. Therefore, identified LBP trajectories have been translated into visual pain trajectories (VPTs) that allow people with LBP, at the time of consult, to reflect upon their pain experience and identify the VPT that best categorizes their pain course. We have limited knowledge regarding the extent to which a chosen VPT reflects the prospectively experienced trajectory. Thus, we explored the distribution of pain intensity and pain pattern characteristics (from prospective pain trajectory data) within the retrospectively chosen VPT classes. We enrolled patients with LBP from Danish chiropractic practice. Using SMS, participants (n = 719) scored their pain weekly on an 11-point numerical rating scale for 52 weeks. At week 52, participants identified 1 of 8 VPTs that reflected their perceived back pain trajectory during the preceding year. We found that the chosen VPTs reflected pain intensity, but that pain patterns (episodic, fluctuating, and persistent) were not systematically recognized, and the experienced course varied substantially amongst participants within the same VPT. The VPTs are related to some aspects of the experienced LBP course but are not a proxy for the SMS-measured trajectories. Reasons for apparent mismatches between the experienced course of LBP and VPT recall warrant further investigation. PERSPECTIVE: Self-reported back pain trajectories reflected pain intensities obtained through weekly SMS tracking over a year, but participants' recall did not reflect the pain patterns (episodes and fluctuations) discovered prospectively. Clinicians can use self-reported pain trajectories to facilitate a dialog about pain experience, but not as a proxy for prospective measures.
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Affiliation(s)
- Casper Glissmann Nim
- Medical Research Unit, Spine Center of Southern Denmark, University Hospital of Southern Denmark, Middelfart, Denmark; Department of Regional Health Research, University of Southern Denmark, Odense, Denmark; Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Werner Vach
- Basel Academy for Quality and Research in Medicine, Basel, Switzerland
| | - Aron Downie
- Department of Chiropractic, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Alice Kongsted
- Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark; Chiropractic Knowledge Hub, Odense, Denmark
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Hansen A, Morsø L, Stochkendahl MJ, Andersen MKK, Schiøttz-Christensen B, Madsen SD, Munck A, Lykkegaard J. Demographic and clinical characteristics of patients with low back pain in primary and secondary care settings in Southern Denmark. Scand J Prim Health Care 2023; 41:152-159. [PMID: 37154804 DOI: 10.1080/02813432.2023.2196548] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/10/2023] Open
Abstract
Objective: To describe and compare the demographic and clinical characteristics of patients with acute or chronic low back pain across all health care settings treating this condition.Design and setting: Concurrent prospective survey registration of all consecutive consultations regarding low back pain at general practitioners, chiropractors, physiotherapists, and the secondary care spine centre in Southern Denmark.Subjects: Patients ≥16 years of age with low back pain.Main outcome measure: Demographic characteristics, symptoms, and clinical findings were registered and descriptively analysed. Pearson's chi-square tested differences between the populations in the four settings. Multiple logistic regression assessed the odds of consulting specific settings, and t-test assessed differences between patients attending for a first and later consultation.Results: Thirty-six general practitioners, 44 chiropractors, 74 physiotherapists, and 35 secondary care Spine Centre personnel provided information on 5645 consultations, including 1462 first-visit consultations. The patients differed significantly across the settings. Patients at the Spine Centre had the most severe symptoms and signs and were most often on sick leave. Compared to the other populations, the chiropractor population was younger, whereas the physiotherapist population was older, more often females, and had prolonged symptoms. In general practice, first-time consultations were with milder cases while patients who attended for a second or later consultation had the worst symptoms, findings, and risk of sick leave compared to the other primary care settings.Conclusion: The demographic and clinical characteristics of patients with low back pain differ considerably across the health care settings treating them.KEY POINTSThe study describes the symptoms and clinical findings of patients with low back pain consulting the Danish health care system in all its settings.Patients with chiropractors were youngest, while those with physiotherapists were the oldest and most frequently female.First consultations in general practice were generally with the least symptomatic patients while those returning for a subsequent consultation had more severe disease including more sick leave compared to patients in the other primary care settings.Our findings call for caution when generalizing between health care settings for patients with low back pain.
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Affiliation(s)
- Anders Hansen
- Spine Centre of Southern Denmark, Lillebaelt Hospital, Middelfart, Denmark
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Lars Morsø
- OPEN, Open Patient Data Explorative Network, Odense University Hospital, Region of Southern Denmark, Odense, Denmark
- Research Unit OPEN, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Mette Jensen Stochkendahl
- Chiropractic Knowledge Hub, Odense, Denmark
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | | | - Berit Schiøttz-Christensen
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Simon Dyrløv Madsen
- Chiropractic Knowledge Hub, Odense, Denmark
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Anders Munck
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Jesper Lykkegaard
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark
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Lalji R, Hofstetter L, Kongsted A, von Wyl V, Puhan MA, Hincapié CA. The Swiss chiropractic practice-based research network: a population-based cross-sectional study to inform future musculoskeletal research. Sci Rep 2023; 13:5655. [PMID: 37024506 PMCID: PMC10078089 DOI: 10.1038/s41598-023-32437-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 03/28/2023] [Indexed: 04/08/2023] Open
Abstract
The Swiss chiropractic practice-based research network (PBRN) is a nationwide project developed in collaboration with patients, clinicians, and academic stakeholders to advance musculoskeletal epidemiologic research. The aim of this study was to describe the clinician population recruited and representativeness of this PBRN to inform future collaboration. A population-based cross-sectional study was performed. PBRN clinician characteristics were described and factors related to motivation (operationalised as VAS score ≥ 70) to participate in a subsequent patient cohort pilot study were assessed. Among 326 eligible chiropractors, 152 enrolled in the PBRN (47% participation). The PBRN was representative of the larger Swiss chiropractic population with regards to age, language, and geographic distribution. Of those enrolled, 39% were motivated to participate in a nested patient cohort pilot study. Motivation was associated with age 40 years or older versus 39 years or younger (OR 2.3, 95% CI 1.0-5.2), and with a moderate clinic size (OR 2.4, 95% CI 1.1-5.7) or large clinic size (OR 2.8, 95% CI 1.0-7.8) versus solo practice. The Swiss chiropractic PBRN has enrolled almost half of all Swiss chiropractors and has potential to facilitate collaborative practice-based research to improve musculoskeletal health care quality.Trial registration: Swiss chiropractic PBRN (ClinicalTrials.gov identifier: NCT05046249); Swiss chiropractic cohort (Swiss ChiCo) pilot study (ClinicalTrials.gov identifier: NCT05116020).
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Affiliation(s)
- Rahim Lalji
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, University of Zurich and Balgrist University Hospital, Forchstrasse 340, 8008, Zurich, Switzerland
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
- University Spine Centre Zurich (UWZH), Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Léonie Hofstetter
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, University of Zurich and Balgrist University Hospital, Forchstrasse 340, 8008, Zurich, Switzerland
| | - Alice Kongsted
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Chiropractic Knowledge Hub, Odense, Denmark
| | - Viktor von Wyl
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
- Institute for Implementation Science in Health Care, University of Zurich, Zurich, Switzerland
| | - Milo A Puhan
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland
| | - Cesar A Hincapié
- EBPI-UWZH Musculoskeletal Epidemiology Research Group, University of Zurich and Balgrist University Hospital, Forchstrasse 340, 8008, Zurich, Switzerland.
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich, Zurich, Switzerland.
- University Spine Centre Zurich (UWZH), Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
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Rafn BS, Hartvigsen J, Siersma V, Andersen JS. Multimorbidity in patients with low back pain in Danish chiropractic practice: a cohort study. Chiropr Man Therap 2023; 31:8. [PMID: 36765327 PMCID: PMC9921470 DOI: 10.1186/s12998-023-00475-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/04/2023] [Indexed: 02/12/2023] Open
Abstract
BACKGROUND People with multimorbidity, defined as the co-existence of two or more chronic conditions in an individual, often suffer from pain and functional limitations caused by musculoskeletal disorders and the chronic conditions. In chiropractic practice, two thirds of patients are treated for low back pain (LBP). It is unknown to what extent LBP is accompanied with chronic conditions in chiropractic practice. The objective was to determine the prevalence of multimorbidity among patients with LBP in chiropractric practice and to investigate if multimorbidity affects pain intensity, self-rated health, physical and mental health. Finally, to explore if individuals with multimorbidity have a different recovery for the LBP. METHODS Patients presenting with a new episode of LBP were recruited from 10 chiropractic clinics in 2016-2018. Patient-reported data concerning socio-demographics, self-rated health, pain intensity, history of LBP, mental health and chronic conditions were collected at baseline. The prevalence of multimorbidity was determined. To evaluate differences in recovery from the LBP, we estimated changes in the Roland Morris Disability Questionnaire (RMDQ) score and use of pain medication at baseline, 2 weeks, 3 months and 12 months. The analyses were adjusted using regression models. RESULTS 2083 patients were included at baseline and 71%, 68% and 64% responded to follow-up questionnaires at 2 weeks, 3 and 12 months. 1024 (49%) participants reported to have at least one chronic condition and 421 (20%) had multimorbidity (≥ 2 chronic conditions). The presence of multimorbidity was associated with increased odds of poor self-rated health (OR 2.13), physical fitness (OR 1.79), poor muscular strength (OR 1.52), poor endurance (OR 1.51), and poor balance (OR 1.33). Patients with high LBP intensity combined with multimorbidity showed a poorer recovery than patients without chronic diseases (mean difference in RMDQ score 3.53 at 12 months follow-up). More patients with multimorbidity used pain medication for LBP at 12 months follow-up compared to those without chronic disease (OR 2.36). CONCLUSIONS Chiropractors should be aware that patients with LBP may suffer from multimorbidity with poor general health. Patients with multimorbidity also have poorer recovery from LBP than people without chronic disease and clinical follow-up may be indicated.
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Affiliation(s)
- Bolette Skjødt Rafn
- grid.5254.60000 0001 0674 042XResearch Unit for General Practice and Section of General Practice, Department of Public Health, Copenhagen University, Copenhagen, Denmark
| | - Jan Hartvigsen
- grid.10825.3e0000 0001 0728 0170Chiropractic Knowledge Hub, Odense, Denmark ,grid.10825.3e0000 0001 0728 0170Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Volkert Siersma
- grid.5254.60000 0001 0674 042XResearch Unit for General Practice and Section of General Practice, Department of Public Health, Copenhagen University, Copenhagen, Denmark
| | - John Sahl Andersen
- Research Unit for General Practice and Section of General Practice, Department of Public Health, Copenhagen University, Copenhagen, Denmark.
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Nim CG, Kongsted A, Downie A, Vach W. Temporal stability of self-reported visual back pain trajectories. Pain 2022; 163:e1104-e1114. [PMID: 35467586 PMCID: PMC9578527 DOI: 10.1097/j.pain.0000000000002661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/30/2022] [Accepted: 04/18/2022] [Indexed: 12/30/2022]
Abstract
ABSTRACT Low back pain (LBP) follows different pain trajectories, and patients seem to recognize their trajectory. This allows self-reported visual pain trajectories (SRVTs) to support patient-provider communication. Pain trajectories appear stable over time for many patients, but the evidence is sparse. Our objectives were to investigate the (1) temporal stability of SRVTs over 1 year concerning pain intensity and course patterns and (2) association of transitions between SRVTs and changes in pain and disability. This study used data from 2 prospective primary care cohorts: the Danish Chiropractic LBP Cohort (n = 1323) and the GLA:D Back cohort (n = 1135). Participants identified one of the 8 SRVTs at baseline and 12-month follow-up, each asking about LBP trajectories the preceding year. Trajectories were described using 2 subscales (intensity and pattern). Temporal stability was quantified by "stability odds ratios" (ORs), depicting the likelihood of staying in the same SRVT after 12 months compared with baseline, and by "preference ORs," depicting the likelihood of choosing a specific alternative SRVT at follow-up. Both ORs compare the observed proportion with the chance level. Finally, we examined associations between transitioning to a different trajectory and changes in clinical outcomes. Approximately 30% stayed in the same SRVT. The stability ORs were all >1. The preference ORs indicated that transitions occurred mainly to similar SRVTs differing in only 1 subscale. Transitions to less or more intense SRVTs were associated with changes in clinical outcomes in the expected direction. Despite distinctly different SRVTs identified, individuals reported relatively stable LBP phenotypes but with potential for change.
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Affiliation(s)
- Casper Glissmann Nim
- Medical Research Unit, Spine Center of Southern Denmark, University Hospital of Southern, Odense, Denmark
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Alice Kongsted
- Department of Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Chiropractic Knowledge Hub, Odense, Denmark
| | - Aron Downie
- Department of Chiropractic, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Werner Vach
- Chiropractic Knowledge Hub, Odense, Denmark
- Basel Academy for Quality and Research in Medicine, Switzerland
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Implementation of Trusted Traceability Query Using Blockchain and Deep Reinforcement Learning in Resource Management. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:6559517. [PMID: 36172315 PMCID: PMC9512612 DOI: 10.1155/2022/6559517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/13/2022] [Accepted: 09/03/2022] [Indexed: 11/18/2022]
Abstract
To better track the source of goods and maintain the quality of goods, the present work uses blockchain technology to establish a system for trusted traceability queries and information management. Primarily, the analysis is made on the shortcomings of the traceability system in the field of agricultural products at the present stage; the study is conducted on the application of the traceability system to blockchain technology, and a new model of agricultural product traceability system is established based on the blockchain technology. Then, a study is carried out on the task scheduling problem of resource clusters in cloud computing resource management. The present work expands the task model and uses the deep Q network algorithm in deep reinforcement learning to solve various optimization objectives preset in the task scheduling problem. Next, a resource management algorithm based on a deep Q network is proposed. Finally, the performance of the algorithm is analyzed from the aspects of parameters, structure, and task load. Experiments show that the algorithm is better than Shortest Job First (SJF), Tetris∗, Packer, and other classic task scheduling algorithms in different optimization objectives. In the traceability system test, the traceability accuracy is 99% for the constructed system in the first group of samples. In the second group, the traceability accuracy reaches 98% for the constructed system. In general, the traceability accuracy of the system proposed here is above 98% in 8 groups of experimental samples, and the traceability accuracy is close for each experimental group. The resource management approach of the traceability system constructed here provides some ideas for the application of reinforcement learning technology in the construction of traceability systems.
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Convergent and Discriminative Validity of the PROMIS Physical Function 4 Questionnaire for Assessing Pain-related Disability in Low Back Pain Patients Seeking Chiropractic Care. Spine (Phila Pa 1976) 2022; 47:1314-1320. [PMID: 35797626 DOI: 10.1097/brs.0000000000004391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/02/2022] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A prospective cohort study. OBJECTIVE To investigate construct validity by examining the convergent and discriminative validity of the Patient-Reported Outcomes Measurement Information System Physical Function 4a (PROMIS-PF4) questionnaire in low back pain (LBP) patients seeking care from Danish chiropractors. SUMMARY OF BACKGROUND DATA The Roland-Morris Disability Questionnaire (RMDQ) is often used to assess physical functioning in LBP. However, it consists of 24 items, which is time consuming to complete in clinical practice. The PROMIS-PF4 questionnaire has only four items and may be more applicable for clinical use. MATERIALS AND METHODS Patients with LBP seeking care from chiropractors in Denmark completed the PROMIS-PF4, RMDQ, Subgroups for Targeted Treatment (STarT) Back screening tool, and Numeric Pain Rating Scale (NPRS) in advance of their first appointment with the chiropractor. Convergent validity was assessed using Spearman correlation coefficients between the PROMIS-PF4 and RMDQ and NPRS, respectively. Discriminative validity of the PROMIS-PF4 was assessed by calculating the area under the receiver operating characteristic curve (AUC) when plotting the PROMIS-PF4 t score against a reference case for RMDQ; NPRS; and high and low risk groups using the STarT Back screening tool. RESULTS Among 356 patients the PROMIS-PF4 questionnaire had strong convergent validity with the RMDQ ( r =-0.76) and moderate convergent validity with the NPRS ( r =-0.42). The PROMIS-PF4 had good and acceptable discriminative validity for disability (AUC=0.88) and high risk of persisting disability (AUC=0.72), and poor or no discriminative validity for pain intensity (AUC=0.66) and low-risk of persisting disability (AUC=0.26), respectively. CONCLUSION As hypothesized, for convergent validity the PROMIS-PF4 has stronger correlation with the RMDQ than the NPRS and good discriminative validity for identifying patients with pain-related disability and at high risk of persisting disability but not for identifying pain intensity or low-risk of persisting disability. Consequently, the PROMIS-PF4 has adequate construct validity for measuring pain-related disability in an LBP population in chiropractic care.
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Lalji R, Hofstetter L, Kongsted A, von Wyl V, Puhan MA, Hincapié CA. Swiss chiropractic practice-based research network and musculoskeletal pain cohort pilot study: protocol of a nationwide resource to advance musculoskeletal health services research. BMJ Open 2022; 12:e059380. [PMID: 35831057 PMCID: PMC9280900 DOI: 10.1136/bmjopen-2021-059380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION Musculoskeletal (MSK) pain conditions, a leading cause of global disability, are usually first managed in primary care settings such as medical, physiotherapy, and chiropractic community-based practices. While chiropractors often treat MSK conditions, there is limited real-world evidence on the topic of health service outcomes among patients receiving this type of care. A nationwide Swiss chiropractic practice-based research network (PBRN) and MSK pain patient cohort study will have potential to monitor the epidemiological trends of MSK pain conditions and contribute to healthcare quality improvement. The primary aims of this protocol are to (1) describe the development of an MSK-focused PBRN within the Swiss chiropractic setting, and (2) describe the methodology of the first nested study to be conducted within the PBRN-an observational prospective patient cohort pilot study. METHODS AND ANALYSIS This initiative is conceptualised with two distinct phases. Phase I focuses on the development of the Swiss chiropractic PBRN, and will use a cross-sectional design to collect information from chiropractic clinicians nationwide. Phase II will recruit consecutive patients aged 18 years or older with MSK pain from community-based chiropractic practices participating in the PBRN into a prospective chiropractic cohort pilot study. All data collection will occur through electronic surveys offered in the three Swiss official languages (German, French, Italian) and English. Surveys will be provided to patients prior to their initial consultation in clinics, 1 hour after initial consultation, and at 2, 6 and 12 weeks after initial consultation. ETHICS AND DISSEMINATION Ethics approval has been obtained from the independent research ethics committee of Canton Zurich (BASEC-Nr: 2021-01479). Informed consent will be obtained electronically from all participants. Findings will be reported to stakeholders after each study phase, presented at local and international conferences, and disseminated through peer-reviewed publications. STUDY PRE-REGISTRATION Phase I-Swiss chiropractic PBRN (ClinicalTrials.gov identifier: NCT05046249); Phase 2-Swiss chiropractic cohort (Swiss ChiCo) pilot study (ClinicalTrials.gov identifier: NCT05116020).
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Affiliation(s)
- Rahim Lalji
- Department of Chiropractic Medicine, Balgrist University Hospital and University of Zurich, Zurich, Switzerland
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
| | - Léonie Hofstetter
- Department of Chiropractic Medicine, Balgrist University Hospital and University of Zurich, Zurich, Switzerland
| | - Alice Kongsted
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Chiropractic Knowledge Hub, Odense, Denmark
| | - Viktor von Wyl
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
- Institute for Implementation Science in Health Care, University of Zurich, Zurich, Switzerland
| | - Milo A Puhan
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
| | - Cesar A Hincapié
- Department of Chiropractic Medicine, Balgrist University Hospital and University of Zurich, Zurich, Switzerland
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
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Grøn S, Jensen RK, Kongsted A. Beliefs about back pain and associations with clinical outcomes: a primary care cohort study. BMJ Open 2022; 12:e060084. [PMID: 35545402 PMCID: PMC9096526 DOI: 10.1136/bmjopen-2021-060084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To investigate associations between beliefs about low back pain (LBP) at baseline and pain intensity and disability at 2-week, 13-week and 52-week follow-up. DESIGN Observational cohort study. SETTING Primary care private chiropractic clinics in Denmark. PARTICIPANTS A total of 2734 adults consulting a chiropractor for a new episode of LBP, with follow-up data available from 71%, 61% and 52% of the participants at 2, 13 and 52 weeks, respectively. OUTCOME MEASURES Beliefs about LBP were measured by the Back Belief Questionnaire (BBQ) before consulting the chiropractor. Pain (Numerical Rating Scale 0-10) and disability (the Roland-Morris Disability Questionnaire) were measured at baseline and after 2, 13 and 52 weeks. Associations were explored using longitudinal linear mixed models estimating interactions between BBQ and time, and by estimating associations between single items of BBQ and 13-week outcomes. RESULTS More positive beliefs about LBP were weakly associated with a reduction in pain at 2 weeks (β interaction BBQ#Time=-0.02 (95% CI -0.04 to -0.001)), at 13 weeks (-0.03 (95% CI -0.05 to -0.01)) and at 52 weeks of follow-up (-0.03 (95% CI -0.05 to -0.01); p=0.003). For disability, the association was uncertain (p=0.7). The item 'Back trouble means periods of pain for the rest of one's life' had the strongest association with both reduction in pain (-0.29, 95% CI -0.4 to -0.19, p<0.001) and disability (-2.42, 95% CI -3.52 to -1.33, p<0.001) at 13-week follow-up. CONCLUSION Positive beliefs regarding LBP, measured by the BBQ, were associated with a reduction in pain intensity at both short-term and long-term follow-up. However, the association was weak, and the clinical relevance is therefore questionable. No clear association was demonstrated between beliefs and disability. This study did not show promise that back beliefs as measured by the BBQ were helpful for predicting or explaining the course of LBP in this setting.
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Affiliation(s)
- Søren Grøn
- Chiropractic Knowledge Hub, Odense, Denmark
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Rikke K Jensen
- Chiropractic Knowledge Hub, Odense, Denmark
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Alice Kongsted
- Chiropractic Knowledge Hub, Odense, Denmark
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
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Jenkins HJ, Kongsted A, French SD, Jensen TS, Doktor K, Hartvigsen J, Hancock M. Patients with low back pain presenting for chiropractic care who want diagnostic imaging are more likely to receive referral for imaging: a cross-sectional study. Chiropr Man Therap 2022; 30:16. [PMID: 35379281 PMCID: PMC8978373 DOI: 10.1186/s12998-022-00425-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/23/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND It is unclear if the use of imaging for low back pain (LBP) is impacted by patient beliefs. This study aimed to: (1) describe beliefs about the importance of imaging and whether patients wanted imaging when presenting for chiropractic care for LBP; (2) describe associations between baseline patient characteristics and imaging beliefs and whether patients wanted imaging; and (3) determine whether patients who believed imaging to be important in the management of LBP, or who wanted to receive imaging, were more likely to receive an imaging referral. METHODS Cross-sectional observational data was collected between November 2016 to December 2019 from 10 primary care chiropractic clinics in Denmark. Consecutive patients aged 18 or older and presenting with a new episode of LBP were included (N = 2818). Beliefs about the importance of imaging (two questions) and whether imaging was wanted (one question) were collected at the initial visit, together with baseline participant characteristics and whether an imaging referral was provided. Associations between imaging beliefs/desire to receive imaging and participant characteristics were explored using multivariable logistic regression analysis. The relationships between imaging beliefs and desire to receive imaging with subsequent imaging referral were assessed using multivariable logistic regression analysis adjusted for pre-selected confounder variables. RESULTS Approximately one third of participants believed imaging to be important for the management of LBP (29.5% (95%CI 27.8, 31.3) or 41.5% (95%CI 39.6, 43.3) depending on the two imaging beliefs questions). Approximately one quarter (26.1%, 95%CI 24.5, 27.7) of participants wanted to receive an imaging referral. Participants were more likely to believe in the importance of imaging or want an imaging referral if they had a longer duration of LBP, history of previous imaging for LBP, or a lower completed education level. Participants who wanted imaging at the initial consult were more likely to receive an imaging referral (Odds ratio; 95%CI 1.6; 1.2, 2.1). CONCLUSIONS Approximately one third of patients presenting for chiropractic care in Denmark believed imaging to be important in the management of LBP. One quarter wanted imaging at the initial consult. Patients' desire for imaging appeared to impact the use of diagnostic imaging.
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Affiliation(s)
- Hazel J Jenkins
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia.
| | - Alice Kongsted
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Simon D French
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Tue Secher Jensen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark.,Silkeborg Regional Hospital, Silkeborg, Denmark
| | - Klaus Doktor
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Jan Hartvigsen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Mark Hancock
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
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Iachina M, Garvik OS, Ljungdalh PS, Wod M, Schiøttz-Christensen B. The clinical back pain courses described by information available in Danish central registries. BMC Health Serv Res 2022; 22:36. [PMID: 34991558 PMCID: PMC8734219 DOI: 10.1186/s12913-021-07409-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 12/13/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Patients with back pain are often in contact with 2-4 hospital departments when receiving a back pain diagnosis and treatment. This complicates the entire clinical course description. There is, currently, no model that describes the course across departments for patients with back pain. This study aims to construct an interdisciplinary clinical course using the central register's information. METHODS All patients with back pain referred for diagnosis and treatment at the Spine Center of Southern Denmark from 1 January 2011 until 31 December 2017 were included. By means of information available in central registers, we described the interdisciplinary clinical course for the individual patient, including information on all contacts at different departments, and proposed three different models to define the index and final date. The index date was defined as the first visit without a previous contact to the Spine Center for 6 months for model I, 1 year for model II, and 2 years for model III. The final date was defined as the last visit without following contacts for 6 months, 1 year, and 2 years, respectively, for models I, II, and III. RESULTS A total of 69,564 patients (male: n = 30,976) with back pain diagnosis were identified. The three models all leave the information on the entire course at the hospital. In model I (64,757 clinical back pain courses), the time span to a possible previous clinical course is too short to secure the start of a new course (14% had two or more). With at least 1 year between a possible previous contact, model II (60,914 courses) fits the everyday clinical practice (9% had two or more clinical back pain courses). In model III (60,173 courses) it seems that two independent courses might be connected in the same course as only 5% had two or more clinical back pain courses. CONCLUSIONS Despite contact with different departments, the clinical course for back pain patients can be described by information from the central registers. A one-year time interval fits best the clinicians' everyday observations.
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Affiliation(s)
- Maria Iachina
- Center for Clinical Epidemiology, Odense University Hospital, and Research Unit of Clinical Epidemiology, University of Southern Denmark, Sdr. Boulevard 29 entrance 219, 1. Floor, DK-5000, Odense C, Denmark.
| | - Olav S Garvik
- Center for Clinical Epidemiology, Odense University Hospital, and Research Unit of Clinical Epidemiology, University of Southern Denmark, Sdr. Boulevard 29 entrance 219, 1. Floor, DK-5000, Odense C, Denmark
| | - Pernille S Ljungdalh
- Medical Research, Spine Centre of Southern Denmark, University hospital of Southern Denmark, Lillebaelt, Østre Hougvej 55, 5500, Middelfart, Denmark
| | - Mette Wod
- Center for Clinical Epidemiology, Odense University Hospital, and Research Unit of Clinical Epidemiology, University of Southern Denmark, Sdr. Boulevard 29 entrance 219, 1. Floor, DK-5000, Odense C, Denmark
| | - Berit Schiøttz-Christensen
- Medical Research, Spine Centre of Southern Denmark, University hospital of Southern Denmark, Lillebaelt, Østre Hougvej 55, 5500, Middelfart, Denmark.,Department of Regional Health Research, University of Southern Denmark, J.B. Winsløws Vej 19, 3, 5000, Odense C, Denmark
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Jenkins HJ, Kongsted A, French SD, Jensen TS, Doktor K, Hartvigsen J, Hancock M. What are the effects of diagnostic imaging on clinical outcomes in patients with low back pain presenting for chiropractic care: a matched observational study. Chiropr Man Therap 2021; 29:46. [PMID: 34814923 PMCID: PMC8611826 DOI: 10.1186/s12998-021-00403-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/11/2021] [Indexed: 12/29/2022] Open
Abstract
Background Evidence suggests that diagnostic imaging for low back pain does not improve care in the absence of suspicion of serious pathology. However, the effect of imaging use on clinical outcomes has not been investigated in patients presenting to chiropractors. The aim of this study was to determine if diagnostic imaging affects clinical outcomes in patients with low back pain presenting for chiropractic care. Methods A matched observational study using prospective longitudinal observational data with one year follow up was performed in primary care chiropractic clinics in Denmark. Data was collected from November 2016 to December 2019. Participants included low back pain patients presenting for chiropractic care, who were either referred or not referred for diagnostic imaging during their initial visit. Patients were excluded if they were less than 18 years old, had a diagnosis of underlying pathology, or had previous imaging relevant to their current clinical presentation. Coarsened exact matching was used to match participants referred for diagnostic imaging with participants not referred for diagnostic imaging on baseline variables including participant demographics, pain characteristics, and clinical history. Mixed linear and logistic regression models were used to assess the effect of imaging on back pain intensity and disability at two-weeks, three-months, and one-year, and on global perceived effect and satisfaction with care at two-weeks. Results 2162 patients were included, with 24.1% referred for imaging. Near perfect balance between matched groups was achieved for baseline variables except age and leg pain. Participants referred for imaging had slightly higher back pain intensity at two-weeks (0.4, 95%CI: 0.1, 0.8) and one-year (0.4, 95%CI: 0.0, 0.7), and disability at two-weeks (5.7, 95%CI: 1.4, 10.0), but the changes are unlikely to be clinically meaningful. No difference between groups was found for the other outcome measures. Similar results were found when sensitivity analysis, adjusted for age and leg pain intensity, was performed. Conclusions Diagnostic imaging did not result in better clinical outcomes in patients with low back pain presenting for chiropractic care. These results support that current guideline recommendations against routine imaging apply equally to chiropractic practice.
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Affiliation(s)
- Hazel J Jenkins
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Rm 347, 17 Wally's Walk, Sydney, 2109, Australia.
| | - Alice Kongsted
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Simon D French
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Rm 347, 17 Wally's Walk, Sydney, 2109, Australia
| | - Tue Secher Jensen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark.,Diagnostic Centre - Imaging Section, Silkeborg Regional Hospital, Silkeborg, Denmark
| | - Klaus Doktor
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Jan Hartvigsen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Chiropractic Knowledge Hub, Odense, Denmark
| | - Mark Hancock
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Rm 347, 17 Wally's Walk, Sydney, 2109, Australia
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Kongsted A, Jensen TS, Doktor K, Hestbæk L. Effects of weekly pain monitoring on back pain outcomes: a non-randomised controlled study. Chiropr Man Therap 2021; 29:37. [PMID: 34530882 PMCID: PMC8444569 DOI: 10.1186/s12998-021-00393-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/06/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Disease monitoring is an important element of self-management of several chronic diseases. Pain monitoring has become very easily available, but the role in musculoskeletal pain conditions is not clear. Awareness of pain might be helpful for people to understand pain, but focusing on pain may on the contrary negatively affect pain experience and behaviours. The objective of this study was to investigate the potential impact of pain monitoring on low back pain (LBP), specifically to determine if pain intensity, activity limitation and pain control, differed between patients with weekly pain monitoring over 12 months and patients with follow-ups at 2 weeks, 3 months and 12 months. METHODS This was a non-randomised controlled study embedded in a cohort study with data collection November 1st 2016 to December 21st 2018. Adults seeking care for LBP were enrolled at the first visit to a chiropractor and followed with surveys after 2 weeks, 3 months and 12 months. Those enrolled first, n = 1,623, furthermore received weekly SMS-questions about pain frequency and pain intensity, whereas those enrolled next was the control group, n = 1,269 followed only by surveys. Outcomes at 12-months were compared, adjusting for group differences on baseline parameters. RESULTS LBP intensity (0-10) was slightly lower at 12-months follow-up in the SMS group than the control group (adjusted beta - 0.40 (95% CI: - 0.62; - 0.19)). No relevant between-group differences were observed for activity limitation (0-100) (1.51 (95% CI: - 0.83; 3.85)) or ability to control pain (0-10) (- 0.08 (95% CI - 0.31; 0.15)). CONCLUSIONS Frequent pain monitoring did not demonstrate any negative effects of weekly pain monitoring, and it was perhaps even helpful. The role of self-monitoring as part of self-managing LBP should be explored further including optimal frequencies, formats, and methods for feedback. TRIAL REGISTRATION The study was not registered as a clinical trial.
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Affiliation(s)
- Alice Kongsted
- Chiropractic Knowledge Hub, Campusvej 55, 5230, Odense M, Denmark. .,Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark.
| | - Tue Secher Jensen
- Chiropractic Knowledge Hub, Campusvej 55, 5230, Odense M, Denmark.,Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark.,Diagnostic Center, Silkeborg Regional Hospital, Falkevej 1, 8600, Silkeborg, Denmark
| | - Klaus Doktor
- Chiropractic Knowledge Hub, Campusvej 55, 5230, Odense M, Denmark.,Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark
| | - Lise Hestbæk
- Chiropractic Knowledge Hub, Campusvej 55, 5230, Odense M, Denmark.,Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark.,Diagnostic Center, Silkeborg Regional Hospital, Falkevej 1, 8600, Silkeborg, Denmark
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Simonsen GD, Jensen TS, Kongsted A. Reassuring Patients With Low Back Pain in Primary Care Consultations: Does it Happen, and Does it Matter? A ChiCo Cohort Study. Clin J Pain 2021; 37:598-606. [PMID: 34010222 PMCID: PMC8270505 DOI: 10.1097/ajp.0000000000000946] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 03/17/2021] [Accepted: 04/21/2021] [Indexed: 01/21/2023]
Abstract
OBJECTIVES Reassurance is an important part of treatment for low back pain (LBP). The Consultation-based Reassurance Questionnaire measures patients' perceived reassurance after health care consultations on 4 subdomains (ie, Data-gathering, Relationship-building, Generic reassurance, Cognitive reassurance). The objectives of this study were to investigate associations between the level of reassurance and outcomes and to investigate if the associations were moderated by patients' risk profile. MATERIALS AND METHODS Adult patients consulting chiropractors for LBP were emailed the Consultation-based Reassurance Questionnaire directly after the consultation. Outcomes were Global Perceived Effect (GPE) after 2 weeks, and pain (Numeric Rating Scale) and disability (Roland-Morris Disability Questionnaire) 2 weeks and 3 months following treatment. Associations with GPE were tested in logistic mixed models. Associations between each reassurance domain and pain and disability were tested in longitudinal analyses using linear mixed models. Moderations by risk profile were tested by introducing an interaction between risk groups and reassurance level. All models were controlled for several potential confounders. RESULTS A total of 2056 patients were included in the study, with 46% reporting LBP for less than a week. Associations between reassurance level and improvement in LBP intensity and disability were weak but positive, whereas associations with GPE were potentially clinically relevant. None of the associations were moderated by psychological risk profile. DISCUSSION Identified associations between reassurance and outcomes were weak, however, for GPE the association might be of a clinically relevant magnitude. The causal relationship is unclear, but with communication always present in a consultation these results suggest that efforts to optimize clinician-patient communication might be worthwhile, also for people with very recent onset of LBP.
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Affiliation(s)
| | - Tue S. Jensen
- Chiropractic Knowledge Hub
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense M
- Diagnostic Center—Imaging Section, Silkeborg Regional Hospital, Silkeborg, Denmark
| | - Alice Kongsted
- Chiropractic Knowledge Hub
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense M
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