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Gnanenthiran SR, Barnhart M, Tan I, Zeng M, O'Hagan E, Gianacas C, Chow C, Schlaich M, Rodgers A, Schutte AE. Shop-to-Stop Hypertension: A multicenter cluster-randomized controlled trial protocol to improve screening and text message follow-up of adults with high blood pressure at health kiosks in hardware retail stores. Contemp Clin Trials 2024; 143:107610. [PMID: 38878995 DOI: 10.1016/j.cct.2024.107610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
High blood pressure (BP) is the leading preventable risk factor for death, but only one in three patients achieve target BP control. A key contributor to this problem is poor population awareness of high BP, as the majority of patients are asymptomatic. The Shop-To-Stop Hypertension study is a multicenter, cluster-randomized controlled trial to identify, refer and follow adults in need of hypertension care, whilst raising population-wide awareness. In participants with high BP measured by SiSU Health Stations located in major hardware chain stores across New South Wales, Australia, we will determine whether text message-based nudges will encourage repeat BP checks and visits to their doctor. Based on pilot data, we anticipate 65,340 participants will be screened over 12 months, of which 18% will have high BP. Thirty hardware stores will be randomized (1:1) to: (i) Intervention: participants detected with high BP (≥140/≥90 mmHg) will receive text message-based nudges to return for a repeat SiSU Health Station BP check and to visit their general practitioner (GP) to check and manage their BP; (ii) Control: participants with high BP will not receive text messages. The primary outcome is the difference in the proportion of participants with high BP having a repeat BP check at hardware Health Stations in the intervention vs. control group at 12 months. This novel setting for screening utilises a novel 'citizen science' approach inviting the general public to perform their own BP screening at health kiosks and foster behavioral change. This will allow screening in a low-stress environment.
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Affiliation(s)
- Sonali R Gnanenthiran
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia; Concord Repatriation General Hospital, Concord West, Sydney, NSW, Australia
| | - Molly Barnhart
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia
| | - Isabella Tan
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia
| | - Mingjuan Zeng
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia
| | - Edel O'Hagan
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Dept. of Cardiology, Westmead Hospital, Westmead, NSW, Australia
| | - Christopher Gianacas
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia
| | - Clara Chow
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Dept. of Cardiology, Westmead Hospital, Westmead, NSW, Australia
| | - Markus Schlaich
- Dobney Hypertension Centre, Medical School, Royal Perth Hospital Unit, University of Western Australia, Perth, Australia
| | - Anthony Rodgers
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia
| | - Aletta E Schutte
- The George Institute for Global Health; University of New South Wales, Sydney, NSW, Australia; School of Population Health, University of New South Wales, Sydney, NSW, Australia.
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Green BB, Anderson ML, McClure JB, Ehrlich K, Hall YN, Hansell L, Hsu C, Margolis KL, Munson SA, Thompson MJ. Is Hypertension Diagnostic Testing and Diagnosis Associated With Psychological Distress? Am J Hypertens 2024; 37:69-76. [PMID: 37688515 DOI: 10.1093/ajh/hpad083] [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: 05/26/2023] [Revised: 08/20/2023] [Accepted: 09/07/2023] [Indexed: 09/11/2023] Open
Abstract
BACKGROUND Psychological impacts of hypertension diagnostic testing and new hypertension diagnoses are unclear. METHODS BP-CHECK was a randomized diagnostic study conducted in 2017-2019 in an integrated healthcare system. Participants with no hypertension diagnosis or medications and elevated blood pressure (BP) were randomized to one of three diagnostic regimens: (i) Clinic, (ii) Home, or (iii) Kiosk. Participants completed questionnaires at baseline, after completion of the diagnostic regimens, and at 6 months. Outcomes included changes from baseline in health-related quality of life (HRQOL), BP-related worry, and thoughts about having a stroke or heart attack. RESULTS Participants (n = 482) were mostly over age 50 (77.0%), and White race (80.3%). HRQOL did not significantly change from baseline to 3 weeks or 6 months. Among all participants, BP-related worry and concerns about having a heart attack or stroke increased significantly from baseline to 3 weeks, with heart attack and stroke concerns significantly higher in the Kiosk compared Clinic and Home groups. At 6 months, thoughts about having a heart attack or stroke returned to baseline overall and in the Kiosk group, however BP-related worry was significantly higher among those with, compared to those without, a new hypertension diagnosis. CONCLUSIONS The hypertension diagnostic process did not lead to short-term or intermediate-term changes in self-reported HRQOL. However, BP-related worry increased short-term and persisted at 6 months among individuals with a new hypertension diagnosis. Results warrant validation in more representative populations and additional exploration of the impacts of this worry on psychological well-being and hypertension control. CLINICALTRIALS.GOV IDENTIFIER NCT03130257.
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Affiliation(s)
- B B Green
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
- Washington Permanente Medical Group, Seattle, Washington, USA
- Department of Health Systems Science, Kaiser Permanente Bernard J Tyson School of Medicine, Pasadena, California, USA
| | - M L Anderson
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
| | - J B McClure
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
- Department of Health Systems Science, Kaiser Permanente Bernard J Tyson School of Medicine, Pasadena, California, USA
| | - K Ehrlich
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
| | - Y N Hall
- VA Puget Sound Health Care System, Seattle, Washington, USA
| | - L Hansell
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
| | - C Hsu
- Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
| | - K L Margolis
- HealthPartners Institute, Minneapolis, Minnesota, USA
| | - S A Munson
- Department of Human Centered Design and Engineering, University of Washington, Seattle, Washington, USA
| | - M J Thompson
- Department of Family Medicine, University of Washington, Seattle, Washington, USA
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Staff acceptability and patient usability of a self-screening kiosk for atrial fibrillation in general practice waiting rooms. CARDIOVASCULAR DIGITAL HEALTH JOURNAL 2022; 3:212-219. [PMID: 36310682 PMCID: PMC9596310 DOI: 10.1016/j.cvdhj.2022.07.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background Current Australian and European guidelines recommend opportunistic screening for atrial fibrillation (AF) among patients ≥65 years, but general practitioners (GPs) report time constraints as a major barrier to achieving this. Patient self-screening stations in GP waiting rooms may increase screening rates and case detection of AF, but the acceptability of patient self-screening from the practice staff perspective, and the usability by patients, is unknown. Objective To determine staff perspectives on AF self-screening stations and factors impacting acceptability, usability by patients, and sustainability. Methods We performed semi-structured interviews with 20 general practice staff and observations of 22 patients while they were undertaking self-screening. Interviews were coded and data analyzed using an iterative thematic analysis approach. Results GPs indicated high levels of acceptance of self-screening, and reported little impact on their workflow. Reception staff recognized the importance of screening for AF, but reported significant impacts on their workflow because some patients were unable to perform screening without assistance. Patient observations corroborated these findings and suggested some potential ways to improve usability. Conclusion AF self-screening in GP waiting rooms may be a viable method to increase opportunistic screening by GPs, but the impacts on reception workflow need to be mitigated for the method to be upscaled for more widespread screening. Furthermore, more age-appropriate station design may increase patient usability and thereby also reduce impact on reception workflow.
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Maramba ID, Jones R, Austin D, Edwards K, Meinert E, Chatterjee A. The Role of Health Kiosks: A Scoping Review (Preprint). JMIR Med Inform 2020; 10:e26511. [PMID: 35348457 PMCID: PMC9006133 DOI: 10.2196/26511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/05/2021] [Accepted: 02/25/2022] [Indexed: 11/13/2022] Open
Abstract
Background Health kiosks are publicly accessible computing devices that provide access to services, including health information provision, clinical measurement collection, patient self–check-in, telemonitoring, and teleconsultation. Although the increase in internet access and ownership of smart personal devices could make kiosks redundant, recent reports have predicted that the market will continue to grow. Objective We seek to clarify the current and future roles of health kiosks by investigating the settings, roles, and clinical domains in which kiosks are used; whether usability evaluations of health kiosks are being reported, and if so, what methods are being used; and what the barriers and facilitators are for the deployment of kiosks. Methods We conducted a scoping review using a bibliographic search of Google Scholar, PubMed, and Web of Science databases for studies and other publications between January 2009 and June 2020. Eligible papers described the implementation as primary studies, systematic reviews, or news and feature articles. Additional reports were obtained by manual searching and querying the key informants. For each article, we abstracted settings, purposes, health domains, whether the kiosk was opportunistic or integrated with a clinical pathway, and whether the kiosk included usability testing. We then summarized the data in frequency tables. Results A total of 141 articles were included, of which 134 (95%) were primary studies, and 7 (5%) were reviews. Approximately 47% (63/134) of the primary studies described kiosks in secondary care settings. Other settings included community (32/134, 23.9%), primary care (24/134, 17.9%), and pharmacies (8/134, 6%). The most common roles of the health kiosks were providing health information (47/134, 35.1%), taking clinical measurements (28/134, 20.9%), screening (17/134, 12.7%), telehealth (11/134, 8.2%), and patient registration (8/134, 6.0%). The 5 most frequent health domains were multiple conditions (33/134, 24.6%), HIV (10/134, 7.5%), hypertension (10/134, 7.5%), pediatric injuries (7/134, 5.2%), health and well-being (6/134, 4.5%), and drug monitoring (6/134, 4.5%). Kiosks were integrated into the clinical pathway in 70.1% (94/134) of studies, opportunistic kiosks accounted for 23.9% (32/134) of studies, and in 6% (8/134) of studies, kiosks were used in both. Usability evaluations of kiosks were reported in 20.1% (27/134) of papers. Barriers (e.g., use of expensive proprietary software) and enablers (e.g., handling of on-demand consultations) of deploying health kiosks were identified. Conclusions Health kiosks still play a vital role in the health care system, including collecting clinical measurements and providing access to web-based health services and information to those with little or no digital literacy skills and others without personal internet access. We identified research gaps, such as training needs for teleconsultations and scant reporting on usability evaluation methods.
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Affiliation(s)
| | - Ray Jones
- Centre for Health Technology, University of Plymouth, Plymouth, United Kingdom
| | - Daniela Austin
- Centre for Health Technology, University of Plymouth, Plymouth, United Kingdom
| | - Katie Edwards
- Centre for Health Technology, University of Plymouth, Plymouth, United Kingdom
| | - Edward Meinert
- Centre for Health Technology, University of Plymouth, Plymouth, United Kingdom
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Omboni S, McManus RJ, Bosworth HB, Chappell LC, Green BB, Kario K, Logan AG, Magid DJ, Mckinstry B, Margolis KL, Parati G, Wakefield BJ. Evidence and Recommendations on the Use of Telemedicine for the Management of Arterial Hypertension: An International Expert Position Paper. Hypertension 2020; 76:1368-1383. [PMID: 32921195 DOI: 10.1161/hypertensionaha.120.15873] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Telemedicine allows the remote exchange of medical data between patients and healthcare professionals. It is used to increase patients' access to care and provide effective healthcare services at a distance. During the recent coronavirus disease 2019 (COVID-19) pandemic, telemedicine has thrived and emerged worldwide as an indispensable resource to improve the management of isolated patients due to lockdown or shielding, including those with hypertension. The best proposed healthcare model for telemedicine in hypertension management should include remote monitoring and transmission of vital signs (notably blood pressure) and medication adherence plus education on lifestyle and risk factors, with video consultation as an option. The use of mixed automated feedback services with supervision of a multidisciplinary clinical team (physician, nurse, or pharmacist) is the ideal approach. The indications include screening for suspected hypertension, management of older adults, medically underserved people, high-risk hypertensive patients, patients with multiple diseases, and those isolated due to pandemics or national emergencies.
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Affiliation(s)
- Stefano Omboni
- From the Clinical Research Unit, Italian Institute of Telemedicine, Varese (S.O.).,Scientific Research Department of Cardiology, Science and Technology Park for Biomedicine, Sechenov First Moscow State Medical University, Russian Federation (S.O.)
| | - Richard J McManus
- Nuffield Department of Primary Care Health Sciences, University of Oxford, United Kingdom (R.J.M.)
| | - Hayden B Bosworth
- Center of Innovation to Accelerate Discovery and Practice Transformation, Durham Veterans Affairs Medical Center, NC (H.B.B.).,Department of Psychiatry and Behavioral Sciences (H.B.B.), Duke University, Durham, NC.,Division of General Internal Medicine (H.B.B.), Duke University, Durham, NC.,Department of Population Health Sciences (H.B.B.), Duke University, Durham, NC
| | - Lucy C Chappell
- Women's Health Academic Centre, King's College London, United Kingdom (L.C.C.)
| | - Beverly B Green
- Kaiser Permanente Washington Health Research Institute, Seattle (B.B.G.)
| | - Kazuomi Kario
- Department of Cardiology, Jichi Medical University School of Medicine, Tochigi, Japan (K.K.)
| | - Alexander G Logan
- Department of Medicine, Mount Sinai Hospital, University Health Network and University of Toronto, ON, Canada (A.G.L.)
| | - David J Magid
- Colorado Permanente Medical Group, Denver and School of Public Health, University of Colorado, Aurora (D.J.M.)
| | - Brian Mckinstry
- Emeritus Professor of Primary Care eHealth, Usher Institute, The University of Edinburgh, United Kingdom (B.M.)
| | | | - Gianfranco Parati
- Department of Medicine and Surgery, University of Milano-Bicocca, Italy (G.P.).,Istituto Auxologico Italiano, IRCCS San Luca, Milano, Italy (G.P.)
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Letafat-nejad M, Ebrahimi P, Maleki M, Aryankhesal A. Utilization of integrated health kiosks: A systematic review. Med J Islam Repub Iran 2020; 34:114. [PMID: 33315998 PMCID: PMC7722958 DOI: 10.34171/mjiri.34.114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Indexed: 11/05/2022] Open
Abstract
Background: In some countries, integrated health kiosks are used to provide some services and information. However; it is still not officially included in many countries' health systems. The purpose of this study was to gather and summarize different aspects of using health kiosks in countries. Methods: Five English databases, including Web of Science, Cochrane Library, PubMed / Medline, Embase and Scopus, were explored from 2001 to 2018, using words related to three concepts: health, design and development, and kiosk. Different dimensions of health kiosks utilization in the world were identified and analyzed thematically. Results: Out of 918 search results, 37 articles were included in the study and analyzed. Most of them were conducted in the United States and addressed the development, implementation, design, or feasibility of utilizing integrated health kiosks. The different aspects of kiosk utilization were categorized into 6 dimensions: services provided, deployment location, user characteristics and variables of accepting kiosks, notable design and construction points, their benefits and effectiveness, and finally, the challenges of using kiosks. Conclusion: This study found that health kiosks are promising, cost-effective and multifunctional tools; if included in the formal health system of countries, they may improve health indicators in countries. However, before deploying, their challenges and concerns need to be investigated and addressed.
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Affiliation(s)
- Mozhgan Letafat-nejad
- 1Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Parvin Ebrahimi
- 1Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
,Corresponding author: Dr Parvin Ebrahimi,
| | - Mohammadreza Maleki
- 1Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Aidin Aryankhesal
- 1Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
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E-Health in Hypertension Management: an Insight into the Current and Future Role of Blood Pressure Telemonitoring. Curr Hypertens Rep 2020; 22:42. [PMID: 32506273 DOI: 10.1007/s11906-020-01056-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
PURPOSE OF REVIEW Out-of-office blood pressure (BP) monitoring techniques, including home and ambulatory BP monitoring, are currently recommended by hypertension guidelines worldwide to confirm the diagnosis of hypertension and to monitor the appropriateness of treatment. However, such techniques are not always effectively implemented or timely available in the routine clinical practice. In recent years, the widespread availability of e-health solutions has stimulated the development of blood pressure telemonitoring (BPT) systems, which allow remote BP tracking and tighter and more efficient monitoring of patients' health status. RECENT FINDINGS There is currently strong evidence that BPT may be of benefit for hypertension screening and diagnosis and for improving hypertension management. The advantage is more significant when BPT is coupled with multimodal interventions involving a physician, a nurse or pharmacist, and including education on lifestyle and risk factors and drug management. Several randomized controlled studies documented enhanced hypertension management and improved BP control of hypertensive patients through BPT. Potential additional effects of BPT are represented by improved compliance to treatment, intensification, and optimization of drug use, improved quality of life, reduction in risk of developing cardiovascular complications, and cost-saving. Applications based on m-health and making use of wearables or smartwatches integrated with machine learning models are particularly promising for the future development of efficient BPT solutions, and they will provide remarkable support decision tools for doctors. BPT and telehealth will soon disrupt hypertension management. However, which approach will be the most effective and whether it will be sustainable in the long-term still need to be elucidated.
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Letafatnejad M, Maleki M, Ebrahimi P. Barriers and facilitators of deploying health kiosk in Iran: A qualitative study. JOURNAL OF EDUCATION AND HEALTH PROMOTION 2020; 9:95. [PMID: 32509903 PMCID: PMC7271912 DOI: 10.4103/jehp.jehp_548_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 01/02/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION It is less than a decade in Iran that integrated health kiosks have been limitedly provided to public by private sector. Considering the significant benefits of them, this study aimed to identify the barriers and facilitators for deploying kiosks in Iran's formal health system in three phases, "design and construct, implement, and use." MATERIALS AND METHODS This was a qualitative study in Iran, and the data were collected through 20 semi-structured interviews with experts in 2019. Participants were selected by purposeful method with the most diversity in terms of background and work experience; the interview texts were coded in MAXQDA10 software and analyzed through framework analysis. Participants' viewpoint was used to verify the data and observers' review to confirm them. RESULTS The barriers for designing and constructing kiosks were identified in the form of two main themes: the overall structure of the country and the structure of the health system; the obstacles for implementing were categorized in one main theme, lack of sources; and the barriers to use were also fall into four themes related to people, policymakers, service providers, and designers of kiosks. The facilitators at construction and implementation phases included the overall structure of the country and the structure of health system. At the use stage, the facilitators related to people, health and insurance policymakers, and owners and constructers were identified. CONCLUSION It is possible to deploy health kiosks in the Iranian formal health system, although there are some time-consuming and costly barriers which can be overcome by the strengths and opportunities of the system.
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Affiliation(s)
- Mozhgan Letafatnejad
- Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Maleki
- Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Parvin Ebrahimi
- Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
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Tompson A, Fleming S, Lee MM, Monahan M, Jowett S, McCartney D, Greenfield S, Heneghan C, Ward A, Hobbs R, McManus RJ. Mixed-methods feasibility study of blood pressure self-screening for hypertension detection. BMJ Open 2019; 9:e027986. [PMID: 31147366 PMCID: PMC6549634 DOI: 10.1136/bmjopen-2018-027986] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 05/02/2019] [Accepted: 05/03/2019] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVE To assess the feasibility of using a blood pressure (BP) self-measurement kiosk-a solid-cuff sphygmomanometer combined with technology to integrate the BP readings into patient electronic medical records- to improve hypertension detection. DESIGN A concurrent mixed-methods feasibility study incorporating observational and qualitative interview components. SETTING Two English general practitioner (GP) surgeries. PARTICIPANTS Adult patients registered at participating surgeries. Staff working at these sites. INTERVENTIONS BP self-measurement kiosks were placed in the waiting rooms for a 12-month period between 2015 and 2016 and compared with a 12-month control period prior to installation. OUTCOME MEASURES (1) The number of patients using the kiosk and agreeing to transfer of their data into their electronic medical records; (2) the cost of using a kiosk compared with GP/practice nurse BP screening; (3) qualitative themes regarding use of the equipment. RESULTS Out of 15 624 eligible patients, only 186 (1.2%, 95% CI 1.0% to 1.4%) successfully used the kiosk to directly transfer a BP reading into their medical record. For a considerable portion of the intervention period, no readings were transferred, possibly indicating technical problems with the transfer link. A comparison of costs suggests that at least 52.6% of eligible patients would need to self-screen in order to bring costs below that of screening by GPs and practice nurses. Qualitative interviews confirmed that both patients and staff experienced technical difficulties, and used alternative methods to enter BP results into the medical record. CONCLUSIONS While interviewees were generally positive about checking BP in the waiting room, the electronic transfer system as tested was neither robust, effective nor likely to be a cost-effective approach, thus may not be appropriate for a primary care environment. Since most of the cost of a kiosk system lies in the transfer mechanism, a solid-cuff sphygmomanometer and manual entry of results may be a suitable alternative.
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Affiliation(s)
- Alice Tompson
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Susannah Fleming
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Mei-Man Lee
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Mark Monahan
- Health Economics Unit, University of Birmingham, Birmingham, UK
| | - Sue Jowett
- Health Economics Unit, University of Birmingham, Birmingham, UK
| | - David McCartney
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Sheila Greenfield
- Institute of Applied Health Service Research, University of Birmingham, Birmingham, UK
| | - Carl Heneghan
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Alison Ward
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Richard Hobbs
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Richard J McManus
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
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