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Zhu J, Jhang J, Yu H, Mushlin AI, Kamel H, Alemayehu N, Giardina JC, Gupta A, Pandya A. Cost-Effectiveness of Screening Asymptomatic Carotid Stenosis by Atherosclerotic Cardiovascular Risk. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2023.11.28.23299146. [PMID: 38798437 PMCID: PMC11118553 DOI: 10.1101/2023.11.28.23299146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Importance Extracranial internal carotid artery stenosis (50-99% arterial narrowing) is an important risk factor for ischemic stroke. Yet, the benefits and harms of targeted screening for asymptomatic carotid artery stenosis (ACAS) have not been assessed in population-based studies. Objective To estimate the cost-effectiveness of one-time, targeted ACAS screening stratified by atherosclerotic cardiovascular disease (ASCVD) risk using the American Heart Association's Pooled Cohort Equations. Design Setting and Participants We developed a lifetime microsimulation model of ACAS and stroke for a hypothetical cohort representative of US adults aged 50-80 years without stroke history. We used the Cardiovascular Health Study to estimate the probability and severity of ACAS based on individual characteristics (e.g., age, sex, smoking status, blood pressure, and cholesterol). Stroke risks were functions of these characteristics and ACAS severity. In the model, individuals testing positive for >70% stenosis with Duplex ultrasound and a confirmatory diagnostic test undergo revascularization, which may reduce the risk of stroke but also introduces complication risks. Diagnostic performance parameters, revascularization benefits and risks, utility weights, and costs were estimated from published sources. Cost-effectiveness was assessed from the health care sector perspective using a $100,000/quality-adjusted life year (QALY) threshold. Main Outcomes and Measures Estimated stroke events prevented, lifetime costs, QALYs, and incremental cost-effectiveness ratios (ICERs) associated with ACAS screening. Costs (2023 USD) and QALYs were discounted at 3% annually. Results We found that screening individuals with a 10-year ASCVD risk >30% was the most cost-effective strategy, with an ICER of $89,000/QALY. This strategy would make approximately 11.9% of the population eligible for screening, averting an estimated 24,084 strokes. Results were sensitive to variations in the efficacy and complication risk of revascularization. In probabilistic sensitivity analysis, screening those in lower ASCVD risk groups (0-20%) only had a 0.6% chance of being cost-effective. Conclusion and Relevance A one-time screening may only be cost-effective for adults at a relatively high ASCVD risk. Our findings provide a framework that can be adapted as future clinical trial data continue to improve our understanding of the role of revascularization and intensive medical therapy in contemporary stroke prevention secondary to carotid disease.
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Tian EJ, Nguyen C, Chung L, Morris C, Kumar S. The Effectiveness of Public Awareness Initiatives Aimed at Encouraging the Use of Evidence-Based Recommendations by Health Professionals: A Systematic Review. J Patient Saf 2024; 20:147-163. [PMID: 38372511 DOI: 10.1097/pts.0000000000001202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
OBJECTIVES Public awareness initiatives have attracted growing attention globally, as a strategy to reduce low-value care and disinformation. However, knowledge gap remains in determining their effects. The aim of this systematic review was to summarize existing evidence to date on global effectiveness of public awareness initiatives. METHODS Primary quantitative studies focusing on passive delivery of public awareness initiatives that targeted health professionals were included. Eligible studies were identified through search of MEDLINE, Embase, Emcare, the Cochrane Library, PsycINFO, Business Source Complete, Emerald Insight, and Google (initially on December 19, 2018, followed by updated search between July 8-10, 2019, and then between March 8-9, 2022) and the reference list of relevant studies. Methodological quality of included studies was assessed using modified McMaster critical appraisal tool. A narrative synthesis of the study outcomes was conducted. RESULTS Twenty studies from United States, United Kingdom, Canada, Australia, and multicountry were included. Nineteen studies focused on Choosing Wisely initiative and one focused on National Institute of Clinical Excellence reminders. Most studies investigated one recommendation of a specialty. The findings showed conflicting evidence on the effectiveness of public awareness initiatives, suggesting passive delivery has limited success in reducing low-value care among health professionals. CONCLUSIONS This review highlights the complexity of change in an established practice pattern in health care. As passive delivery of public awareness initiatives has limited potential to initiate and sustain change, wide-ranging intervention components need to be integrated for a successful implementation.
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Affiliation(s)
| | - Cathy Nguyen
- UniSA Business, University of South Australia, University of South Australia, Adelaide, Australia
| | - Lilian Chung
- From the UniSA Allied Health and Human Performance
| | - Chloe Morris
- From the UniSA Allied Health and Human Performance
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Antunez AG, Rowe KA, Bain PA, Doherty GM, Dossett LA. Behavioral Interventions on Surgeons' Preoperative Decision-Making: A Scoping Review and Critical Analysis. J Surg Res 2024; 295:547-558. [PMID: 38086255 PMCID: PMC10922393 DOI: 10.1016/j.jss.2023.11.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/20/2023] [Accepted: 11/12/2023] [Indexed: 01/03/2024]
Abstract
INTRODUCTION Consensus is lacking regarding the optimal strategy to influence surgeons' behaviors to reduce low-value surgical care. Comprehensively describing the existing body of literature that seeks to intervene on surgeons' preoperative decision-making may aid in structuring future behavior change strategies. METHODS We performed a scoping review using four databases (Medical Literature Analysis and Retrieval System Online, Embase, Web of Science, and Cumulated Index to Nursing and Allied Health Literature) for articles that tested the effect of behavioral-based interventions on any aspect of surgeons' decision-making in the preoperative setting. Abstracted data were characterized by summative descriptions and analyzed using the Tailored Implementation for Chronic Disease framework, mapping aspects of deimplementation strategies in the studies onto the determinant(s) that they altered. Data abstraction and mapping tools were piloted and iteratively revised before two researchers independently assessing studies and categorizing determinants, and then meeting to discuss their decisions. RESULTS There were 1460 articles identified from the initial search, with 17 full text articles ultimately included in the scoping review. Eight studies relied on a multidisciplinary preoperative conference to accomplish their aims, while five were multifaceted in their approach to deimplementation, and four studies used only a clinical decision support tool to accomplish their aims. Mapping determinants addressed in these studies onto the Tailored Implementation for Chronic Disease framework demonstrated that most strategies attempted to close knowledge gaps, leverage communication between providers, and broadcast institutional prioritization of change. CONCLUSIONS There is a small but growing field of implementation and deimplementation strategies in preoperative surgical decision-making, and different approaches may be equally effective in varied clinical contexts. Deliberate measurement and comparison of outcomes, as well as selection of control groups, are areas for improvement in future work.
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Affiliation(s)
- Alexis G Antunez
- Center for Surgery and Public Health, Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts.
| | - Katherine A Rowe
- Massachusetts General Hospital Department of Surgery, Boston, Massachusetts
| | - Paul A Bain
- Countway Library, Harvard Medical School, Boston, Massachusetts
| | - Gerard M Doherty
- Center for Surgery and Public Health, Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Lesly A Dossett
- Department of Surgery, University of Michigan, Ann Arbor, Michigan
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Balafas S, Gagliano V, Di Serio C, Guidugli GA, Saporito A, Gabutti L, Ferrari P. Differential impact of transfusion guidelines on blood transfusion practices within a health network. Sci Rep 2023; 13:6264. [PMID: 37069210 PMCID: PMC10109235 DOI: 10.1038/s41598-023-33549-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/14/2023] [Indexed: 04/19/2023] Open
Abstract
Whether clinical practice guidelines have a significant impact on practice is unclear. The effect of guideline recommendations on clinical practice often a lags behind the date of publication. We evaluated by means of a data-driven approach if and when the guidelines on red blood cell transfusions (RBCTs) issued by Swiss Smarter Medicine in 2016 had an impact on RBCTs practice within a hospital network, where awareness of guidelines was promoted mainly among internal medicine specialties. Data on RBCTs performed in a Swiss hospital network from January 2014 to April 2021 were analyzed by hospital site and specialty to assess whether guidelines led to a decrease in inappropriate RBCTs. RBCTs were defined as "inappropriate" if patients had a hemoglobin level ≥ 70 g/L without or ≥ 80 g/L with significant cardiovascular comorbidities. Changes in the rate of inappropriate transfusions were analyzed with an advanced statistical approach that included generalized additive models. Overall prior to March 2017 there were more inappropriate than appropriate RBCTs, but after October 2017 the opposite could be observed. A change-point in the time trend was estimated from transfusion data to occur in the time interval between March and October 2017. This change was mainly driven by practice changes in the medical wards, while no significant change was observed in the critical care, surgical and oncology wards. Change in practice varied by hospital site. In conclusion, our results show that a significant change in the RBCTs practice at the hospital level occurred approximately 18 months after national guidelines were issued.
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Affiliation(s)
- Spyros Balafas
- University Centre of Statistics in the Biomedical Sciences CUSSB, UniSR, Milan, Italy
- Vita-Salute San Raffaele University, UniSR, Milan, Italy
| | - Vanessa Gagliano
- Department of Internal Medicine, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Clelia Di Serio
- University Centre of Statistics in the Biomedical Sciences CUSSB, UniSR, Milan, Italy
- Vita-Salute San Raffaele University, UniSR, Milan, Italy
- Faculty of Biomedicine, Università Della Svizzera Italiana, Lugano, Switzerland
| | | | - Andrea Saporito
- Faculty of Biomedicine, Università Della Svizzera Italiana, Lugano, Switzerland
- Division of Anesthesiology, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Luca Gabutti
- Department of Internal Medicine, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedicine, Università Della Svizzera Italiana, Lugano, Switzerland
| | - Paolo Ferrari
- Faculty of Biomedicine, Università Della Svizzera Italiana, Lugano, Switzerland.
- Clinical School, University of New South Wales, Sydney, Australia.
- Department of Nephrology, Ente Ospedaliero Cantonale (EOC), 6900, Lugano, Switzerland.
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Ho VT, Aikens RC, Tso G, Heidenreich PA, Sharp C, Asch SM, Chen JH, Shah NK. Interruptive Electronic Alerts for Choosing Wisely Recommendations: A Cluster Randomized Controlled Trial. J Am Med Inform Assoc 2022; 29:1941-1948. [PMID: 36018731 PMCID: PMC10161518 DOI: 10.1093/jamia/ocac139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 07/13/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To assess the efficacy of interruptive electronic alerts in improving adherence to the American Board of Internal Medicine's Choosing Wisely recommendations to reduce unnecessary laboratory testing. MATERIALS AND METHODS We administered 5 cluster randomized controlled trials simultaneously, using electronic medical record alerts regarding prostate-specific antigen (PSA) testing, acute sinusitis treatment, vitamin D testing, carotid artery ultrasound screening, and human papillomavirus testing. For each alert, we assigned 5 outpatient clinics to an interruptive alert and 5 were observed as a control. Primary and secondary outcomes were the number of postalert orders per 100 patients at each clinic and number of triggered alerts divided by orders, respectively. Post hoc analysis evaluated whether physicians experiencing interruptive alerts reduced their alert-triggering behaviors. RESULTS Median postalert orders per 100 patients did not differ significantly between treatment and control groups; absolute median differences ranging from 0.04 to 0.40 for PSA testing. Median alerts per 100 orders did not differ significantly between treatment and control groups; absolute median differences ranged from 0.004 to 0.03. In post hoc analysis, providers receiving alerts regarding PSA testing in men were significantly less likely to trigger additional PSA alerts than those in the control sites (Incidence Rate Ratio 0.12, 95% CI [0.03-0.52]). DISCUSSION Interruptive point-of-care alerts did not yield detectable changes in the overall rate of undesired orders or the order-to-alert ratio between active and silent sites. Complementary behavioral or educational interventions are likely needed to improve efforts to curb medical overuse. CONCLUSION Implementation of interruptive alerts at the time of ordering was not associated with improved adherence to 5 Choosing Wisely guidelines. TRIAL REGISTRATION NCT02709772.
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Affiliation(s)
- Vy T Ho
- Division of Vascular Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California, USA
| | - Rachael C Aikens
- Department of Biomedical Informatics, Stanford University School of Medicine, Stanford, California, USA
| | - Geoffrey Tso
- Division of Primary Care and Population Health, Stanford University School of Medicine, Palo Alto, California, USA
| | - Paul A Heidenreich
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
- Center for Innovation to Implementation, VA Palo Alto Healthcare System, Palo Alto, California, USA
| | - Christopher Sharp
- Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Steven M Asch
- Division of Primary Care and Population Health, Stanford University School of Medicine, Palo Alto, California, USA
- Center for Innovation to Implementation, VA Palo Alto Healthcare System, Palo Alto, California, USA
| | - Jonathan H Chen
- Stanford Center for Biomedical Informatics Research, Department of Medicine, Stanford University, Stanford, California, USA
| | - Neil K Shah
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
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Characterizing and quantifying low-value diagnostic imaging internationally: a scoping review. BMC Med Imaging 2022; 22:73. [PMID: 35448987 PMCID: PMC9022417 DOI: 10.1186/s12880-022-00798-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 04/12/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Inappropriate and wasteful use of health care resources is a common problem, constituting 10-34% of health services spending in the western world. Even though diagnostic imaging is vital for identifying correct diagnoses and administrating the right treatment, low-value imaging-in which the diagnostic test confers little to no clinical benefit-is common and contributes to inappropriate and wasteful use of health care resources. There is a lack of knowledge on the types and extent of low-value imaging. Accordingly, the objective of this study was to identify, characterize, and quantify the extent of low-value diagnostic imaging examinations for adults and children. METHODS A scoping review of the published literature was performed. Medline-Ovid, Embase-Ovid, Scopus, and Cochrane Library were searched for studies published from 2010 to September 2020. The search strategy was built from medical subject headings (Mesh) for Diagnostic imaging/Radiology OR Health service misuse/Medical overuse OR Procedures and Techniques Utilization/Facilities and Services Utilization. Articles in English, German, Dutch, Swedish, Danish, or Norwegian were included. RESULTS A total of 39,986 records were identified and, of these, 370 studies were included in the final synthesis. Eighty-four low-value imaging examinations were identified. Imaging of atraumatic pain, routine imaging in minor head injury, trauma, thrombosis, urolithiasis, after thoracic interventions, fracture follow-up and cancer staging/follow-up were the most frequently identified low-value imaging examinations. The proportion of low-value imaging varied between 2 and 100% inappropriate or unnecessary examinations. CONCLUSIONS A comprehensive list of identified low-value radiological examinations for both adults and children are presented. Future research should focus on reasons for low-value imaging utilization and interventions to reduce the use of low-value imaging internationally. SYSTEMATIC REVIEW REGISTRATION PROSPERO: CRD42020208072.
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Roberts DJ, Sypes EE, Nagpal SK, Niven D, Mamas M, McIsaac DI, van Walraven C, Shorr R, Graham ID, Stelfox HT, Grimshaw J. Evidence for overuse of cardiovascular healthcare services in high-income countries: protocol for a systematic review and meta-analysis. BMJ Open 2022; 12:e053920. [PMID: 35393307 PMCID: PMC8991042 DOI: 10.1136/bmjopen-2021-053920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Overuse of cardiovascular healthcare services, defined as the provision of low-value (ineffective, harmful, cost-ineffective) tests, medications and procedures, may be common and associated with increased patient harm and health system inefficiencies and costs. We seek to systematically review the evidence for overuse of different cardiovascular healthcare services in high-income countries. METHODS AND ANALYSIS We will search MEDLINE, EMBASE and Evidence-Based Medicine Reviews from 2010 onwards. Two investigators will independently review titles and abstracts and full-text studies. We will include published English-language studies conducted in high-income countries that enrolled adults (mean/median age ≥18 years) and reported the incidence or prevalence of overuse of cardiovascular tests, medications or procedures; adjusted risk factors for overuse; or adjusted associations between overuse and outcomes (reported estimates of morbidity, mortality, costs or lengths of hospital stay). Acceptable methods of defining low-value care will include literature review and multidisciplinary iterative panel processes, healthcare services with reproducible evidence of a lack of benefit or harm, or clinical practice guideline or Choosing Wisely recommendations. Two investigators will independently extract data and evaluate study risk of bias in duplicate. We will calculate summary estimates of the incidence and prevalence of overuse of different cardiovascular healthcare services across studies unstratified and stratified by country; method of defining low-value care; the percentage of included females, different races, and those with low and high socioeconomic status or cardiovascular risk; and study risks of bias using random-effects models. We will also calculate pooled estimates of adjusted risk factors for overuse and adjusted associations between overuse and outcomes overall and stratified by country using random-effects models. We will use the Grading of Recommendations, Assessment, Development and Evaluation to determine certainty in estimates. ETHICS AND DISSEMINATION No ethics approval is required for this study as it deals with published data. Results will be presented at meetings and published in a peer-reviewed journal. PROSPERO REGISTRATION NUMBER CRD42021257490.
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Affiliation(s)
- Derek J Roberts
- Division of Vascular and Endovascular Surgery, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Emma E Sypes
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Sudhir K Nagpal
- Division of Vascular and Endovascular Surgery, Department of Surgery, The Ottawa Hospital and University of Ottawa, Ottawa, Ontario, Canada
| | - Daniel Niven
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | - Daniel I McIsaac
- Anesthesiology and Pain Medicine, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Carl van Walraven
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
- Department of Medicine, The Ottawa Hospital and University of Ottawa, Ottawa, Ontario, Canada
| | - Risa Shorr
- Learning Services, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Ian D Graham
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Henry Thomas Stelfox
- Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jeremy Grimshaw
- School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
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Kini V, Breathett K, Groeneveld PW, Ho PM, Nallamothu BK, Peterson PN, Rush P, Wang TY, Zeitler EP, Borden WB. Strategies to Reduce Low-Value Cardiovascular Care: A Scientific Statement From the American Heart Association. Circ Cardiovasc Qual Outcomes 2022; 15:e000105. [PMID: 35189687 PMCID: PMC9909614 DOI: 10.1161/hcq.0000000000000105] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Low-value health care services that provide little or no benefit to patients are common, potentially harmful, and costly. Nearly half of the patients in the United States will receive at least 1 low-value test or procedure annually, creating risk of avoidable complications from subsequent cascades of care and excess costs to patients and society. Reducing low-value care is of particular importance to cardiovascular health given the high prevalence and costs of cardiovascular disease in the United States. This scientific statement describes the current scope and impact of low-value cardiovascular care; reviews existing literature on patient-, clinician-, health system-, payer-, and policy-level interventions to reduce low-value care; proposes solutions to achieve meaningful and equitable reductions in low-value care; and suggests areas for future research priorities.
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Kjelle E, Andersen ER, Soril LJJ, van Bodegom-Vos L, Hofmann BM. Interventions to reduce low-value imaging - a systematic review of interventions and outcomes. BMC Health Serv Res 2021; 21:983. [PMID: 34537051 PMCID: PMC8449221 DOI: 10.1186/s12913-021-07004-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/02/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND It is estimated that 20-50% of all radiological examinations are of low value. Many attempts have been made to reduce the use of low-value imaging. However, the comparative effectiveness of interventions to reduce low-value imaging is unclear. Thus, the objective of this systematic review was to provide an overview and evaluate the outcomes of interventions aimed at reducing low-value imaging. METHODS An electronic database search was completed in Medline - Ovid, Embase-Ovid, Scopus, and Cochrane Library for citations between 2010 and 2020. The search was built from medical subject headings for Diagnostic imaging/Radiology, Health service misuse or medical overuse, and Health planning. Keywords were used for the concept of reduction and avoidance. Reference lists of included articles were also hand-searched for relevant citations. Only articles written in English, German, Danish, Norwegian, Dutch, and Swedish were included. The Mixed Methods Appraisal Tool was used to appraise the quality of the included articles. A narrative synthesis of the final included articles was completed. RESULTS The search identified 15,659 records. After abstract and full-text screening, 95 studies of varying quality were included in the final analysis, containing 45 studies found through hand-searching techniques. Both controlled and uncontrolled before-and-after studies, time series, chart reviews, and cohort studies were included. Most interventions were aimed at referring physicians. Clinical practice guidelines (n = 28) and education (n = 28) were most commonly evaluated interventions, either alone or in combination with other components. Multi-component interventions were often more effective than single-component interventions showing a reduction in the use of low-value imaging in 94 and 74% of the studies, respectively. The most addressed types of imaging were musculoskeletal (n = 26), neurological (n = 23) and vascular (n = 16) imaging. Seventy-seven studies reported reduced low-value imaging, while 3 studies reported an increase. CONCLUSIONS Multi-component interventions that include education were often more effective than single-component interventions. The contextual and cultural factors in the health care systems seem to be vital for successful reduction of low-value imaging. Further research should focus on assessing the impact of the context in interventions reducing low-value imaging and how interventions can be adapted to different contexts.
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Affiliation(s)
- Elin Kjelle
- Institute for the Health Sciences at the Norwegian University of Science and Technology (NTNU) at Gjøvik, NTNU Gjøvik, Postbox 191, 2802 Gjøvik, Norway
| | - Eivind Richter Andersen
- Institute for the Health Sciences at the Norwegian University of Science and Technology (NTNU) at Gjøvik, NTNU Gjøvik, Postbox 191, 2802 Gjøvik, Norway
| | - Lesley J. J. Soril
- Department of Community Health Sciences and The Health Technology Assessment Unit, O’Brien Institute for Public Health, University of Calgary, 3280 Hospital Dr NW, Calgary, Alberta T2N 4Z6 Canada
| | - Leti van Bodegom-Vos
- Medical Decision making, Department of Biomedical Data Sciences, Leiden University Medical Center, P.O. Box 9600, 2300 RC, Leiden, the Netherlands
| | - Bjørn Morten Hofmann
- Institute for the Health Sciences at the Norwegian University of Science and Technology (NTNU) at Gjøvik, NTNU Gjøvik, Postbox 191, 2802 Gjøvik, Norway
- Centre of Medical Ethics, University of Oslo, Postbox 1130, Blindern, 0318 Oslo, Norway
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