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López-Pelayo H, Wallace P, Miquel L, Segura L, Baena B, Barrio P, Colom J, Gual A. Factors affecting engagement of primary health care professionals and their patients in facilitated access to online alcohol screening and brief intervention. Int J Med Inform 2019; 127:95-101. [PMID: 31128838 DOI: 10.1016/j.ijmedinf.2019.04.018] [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: 03/08/2017] [Revised: 02/08/2019] [Accepted: 04/23/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE Understanding the impact of Level of Information and Communication Technology Use, computer self-efficacy and perceived product usability of healthcare professionals regarding an alcohol consumption reduction website on facilitated access defined as referring patients to the webpage. METHODS 52 nurses and 41 general practitioners were assessed before patient recruitment started, using a questionnaire designed to assess socio-demographic characteristics, professional engagement to the website, Level of Information and Communication Technology Use, Computer self-efficacy ("the judgment of one's capability to use a computer") and Perceived product usability ("the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use"). Dependent variable was the self-report of number of brochures distributed to patients. RESULTS Professionals' engagement with facilitated access measured by brochures handed out was not predicted by Perceived product usability, Level of Information and Communication Technology Use or Computer self-efficacy. Professionals who had actively engaged with the website (customization) provided significantly more brochures compared with those who had not (Coefficient B 15.7 CI95% 3.5-27.8). Professional's socio-demographic characteristics did not predict engagement in facilitated access. CONCLUSION Professionals' Perceived product usability, Level of Information and Communication Technology Use and Computer self-efficacy were not associated to facilitated access. Active early engagement of health professionals with the website (customization) is a key predictor of subsequent engagement with facilitated access. PRACTICE IMPLICATIONS Computer Self-Efficacy, Level of Information and Communication Technology Use and Perceived Product Usability are irrelevant for facilitated access and efforts should be focused on taking time to collaborate with providers and convincing them about the usefulness of the intervention (including customization). Website customization by health care professionals is a promising predictor of engagement.
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Affiliation(s)
- Hugo López-Pelayo
- GRAC. Addictions Unit. Department of Psychiatry, Clinical Institute of Neuroscience, Hospital Clínic, Fundació Clínic Recerca Biomèdica (FCRB), RETICS (Red de Trastornos adictivos), University of Barcelona, Villarroel 170, 08026, Barcelona, Spain.
| | - Paul Wallace
- Department of Primary Care and Population Health, University College London, Rowland Hill Street, London, NW3 2PF, London, UK.
| | - Laia Miquel
- GRAC. Addictions Unit, Department of Psychiatry, Clinical Institute of Neuroscience, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), RETICS (Red de Trastornos Adictivos), University of Barcelona, Villarroel 170, 08026, Barcelona, Spain.
| | - Lidia Segura
- Program on Substance Abuse, Public Health Agency of Catalonia, Department of Health, Government of Catalonia, Roc Boronat 81-95, 08005, Barcelona, Spain.
| | - Begoña Baena
- Program on Substance Abuse, Public Health Agency of Catalonia, Department of Health, Government of Catalonia, Roc Boronat 81-95, 08005, Barcelona, Spain
| | - Pablo Barrio
- GRAC. Addictions Unit. Department of Psychiatry, Clinical Institute of Neuroscience, Hospital Clínic, Fundació Clínic Recerca Biomèdica (FCRB), RETICS (Red de Trastornos adictivos), University of Barcelona, Villarroel 170, 08026, Barcelona, Spain.
| | - Joan Colom
- Program on Substance Abuse, Public Health Agency of Catalonia, Department of Health, Government of Catalonia, Roc Boronat 81-95, 08005, Barcelona, Spain.
| | - Antoni Gual
- GRAC. Addictions Unit, Department of Psychiatry, Clinical Institute of Neuroscience, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), RETICS (Red de Trastornos Adictivos), University of Barcelona, Villarroel 170, 08026, Barcelona, Spain.
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Candel MJJM, Van Breukelen GJP. Repairing the efficiency loss due to varying cluster sizes in two-level two-armed randomized trials with heterogeneous clustering. Stat Med 2016; 35:2000-15. [PMID: 26756696 DOI: 10.1002/sim.6851] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 07/16/2015] [Accepted: 11/27/2015] [Indexed: 11/09/2022]
Abstract
In two-armed trials with clustered observations the arms may differ in terms of (i) the intraclass correlation, (ii) the outcome variance, (iii) the average cluster size, and (iv) the number of clusters. For a linear mixed model analysis of the treatment effect, this paper examines the expected efficiency loss due to varying cluster sizes based upon the asymptotic relative efficiency of varying versus constant cluster sizes. Simple, but nearly cost-optimal, correction factors are derived for the numbers of clusters to repair this efficiency loss. In an extensive Monte Carlo simulation, the accuracy of the asymptotic relative efficiency and its Taylor approximation are examined for small sample sizes. Practical guidelines are derived to correct the numbers of clusters calculated under constant cluster sizes (within each treatment) when planning a study. Because of the variety of simulation conditions, these guidelines can be considered conservative but safe in many realistic situations. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Math J J M Candel
- Department of Methodology and Statistics, School for Public Health and Primary Care CAPHRI, Maastricht University, Maastricht, The Netherlands
| | - Gerard J P Van Breukelen
- Department of Methodology and Statistics, School for Public Health and Primary Care CAPHRI, Maastricht University, Maastricht, The Netherlands
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Inglis SC, Clark RA, Dierckx R, Prieto-Merino D, Cleland JGF. Structured telephone support or non-invasive telemonitoring for patients with heart failure. Cochrane Database Syst Rev 2015; 2015:CD007228. [PMID: 26517969 PMCID: PMC8482064 DOI: 10.1002/14651858.cd007228.pub3] [Citation(s) in RCA: 177] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Specialised disease management programmes for heart failure aim to improve care, clinical outcomes and/or reduce healthcare utilisation. Since the last version of this review in 2010, several new trials of structured telephone support and non-invasive home telemonitoring have been published which have raised questions about their effectiveness. OBJECTIVES To review randomised controlled trials (RCTs) of structured telephone support or non-invasive home telemonitoring compared to standard practice for people with heart failure, in order to quantify the effects of these interventions over and above usual care. SEARCH METHODS We updated the searches of the Cochrane Central Register of Controlled Trials (CENTRAL), Database of Abstracts of Reviews of Effects (DARE), Health Technology AsseFssment Database (HTA) on the Cochrane Library; MEDLINE (OVID), EMBASE (OVID), CINAHL (EBSCO), Science Citation Index Expanded (SCI-EXPANDED), Conference Proceedings Citation Index- Science (CPCI-S) on Web of Science (Thomson Reuters), AMED, Proquest Theses and Dissertations, IEEE Xplore and TROVE in January 2015. We handsearched bibliographies of relevant studies and systematic reviews and abstract conference proceedings. We applied no language limits. SELECTION CRITERIA We included only peer-reviewed, published RCTs comparing structured telephone support or non-invasive home telemonitoring to usual care of people with chronic heart failure. The intervention or usual care could not include protocol-driven home visits or more intensive than usual (typically four to six weeks) clinic follow-up. DATA COLLECTION AND ANALYSIS We present data as risk ratios (RRs) with 95% confidence intervals (CIs). Primary outcomes included all-cause mortality, all-cause and heart failure-related hospitalisations, which we analysed using a fixed-effect model. Other outcomes included length of stay, health-related quality of life, heart failure knowledge and self care, acceptability and cost; we described and tabulated these. We performed meta-regression to assess homogeneity (the null hypothesis) in each subgroup analysis and to see if the effect of the intervention varied according to some quantitative variable (such as year of publication or median age). MAIN RESULTS We include 41 studies of either structured telephone support or non-invasive home telemonitoring for people with heart failure, of which 17 were new and 24 had been included in the previous Cochrane review. In the current review, 25 studies evaluated structured telephone support (eight new studies, plus one study previously included but classified as telemonitoring; total of 9332 participants), 18 evaluated telemonitoring (nine new studies; total of 3860 participants). Two of the included studies trialled both structured telephone support and telemonitoring compared to usual care, therefore 43 comparisons are evident.Non-invasive telemonitoring reduced all-cause mortality (RR 0.80, 95% CI 0.68 to 0.94; participants = 3740; studies = 17; I² = 24%, GRADE: moderate-quality evidence) and heart failure-related hospitalisations (RR 0.71, 95% CI 0.60 to 0.83; participants = 2148; studies = 8; I² = 20%, GRADE: moderate-quality evidence). Structured telephone support reduced all-cause mortality (RR 0.87, 95% CI 0.77 to 0.98; participants = 9222; studies = 22; I² = 0%, GRADE: moderate-quality evidence) and heart failure-related hospitalisations (RR 0.85, 95% CI 0.77 to 0.93; participants = 7030; studies = 16; I² = 27%, GRADE: moderate-quality evidence).Neither structured telephone support nor telemonitoring demonstrated effectiveness in reducing the risk of all-cause hospitalisations (structured telephone support: RR 0.95, 95% CI 0.90 to 1.00; participants = 7216; studies = 16; I² = 47%, GRADE: very low-quality evidence; non-invasive telemonitoring: RR 0.95, 95% CI 0.89 to 1.01; participants = 3332; studies = 13; I² = 71%, GRADE: very low-quality evidence).Seven structured telephone support studies reported length of stay, with one reporting a significant reduction in length of stay in hospital. Nine telemonitoring studies reported length of stay outcome, with one study reporting a significant reduction in the length of stay with the intervention. One telemonitoring study reported a large difference in the total number of hospitalisations for more than three days, but this was not an analysis of length of stay per hospitalisation. Nine of 11 structured telephone support studies and five of 11 telemonitoring studies reported significant improvements in health-related quality of life. Nine structured telephone support studies and six telemonitoring studies reported costs of the intervention or cost effectiveness. Three structured telephone support studies and one telemonitoring study reported a decrease in costs and two telemonitoring studies reported increases in cost, due both to the cost of the intervention and to increased medical management. Adherence was rated between 55.1% and 98.5% for those structured telephone support and telemonitoring studies which reported this outcome. Participant acceptance of the intervention was reported in the range of 76% to 97% for studies which evaluated this outcome. Seven of nine studies that measured these outcomes reported significant improvements in heart failure knowledge and self-care behaviours. AUTHORS' CONCLUSIONS For people with heart failure, structured telephone support and non-invasive home telemonitoring reduce the risk of all-cause mortality and heart failure-related hospitalisations; these interventions also demonstrated improvements in health-related quality of life and heart failure knowledge and self-care behaviours. Studies also demonstrated participant satisfaction with the majority of the interventions which assessed this outcome.
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Affiliation(s)
- Sally C Inglis
- Centre for Cardiovascular and Chronic Care, Faculty of Health, University of Technology Sydney, Sydney, Australia
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Candel MJJM, van Breukelen GJP. Sample size calculation for treatment effects in randomized trials with fixed cluster sizes and heterogeneous intraclass correlations and variances. Stat Methods Med Res 2014; 24:557-73. [DOI: 10.1177/0962280214563100] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
When comparing two different kinds of group therapy or two individual treatments where patients within each arm are nested within care providers, clustering of observations may occur in both arms. The arms may differ in terms of (a) the intraclass correlation, (b) the outcome variance, (c) the cluster size, and (d) the number of clusters, and there may be some ideal group size or ideal caseload in case of care providers, fixing the cluster size. For this case, optimal cluster numbers are derived for a linear mixed model analysis of the treatment effect under cost constraints as well as under power constraints. To account for uncertain prior knowledge on relevant model parameters, also maximin sample sizes are given. Formulas for sample size calculation are derived, based on the standard normal as the asymptotic distribution of the test statistic. For small sample sizes, an extensive numerical evaluation shows that in a two-tailed test employing restricted maximum likelihood estimation, a safe correction for both 80% and 90% power, is to add three clusters to each arm for a 5% type I error rate and four clusters to each arm for a 1% type I error rate.
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Affiliation(s)
- Math JJM Candel
- Department of Methodology and Statistics, School for Public Health and Primary Care CAPHRI, Maastricht University, Maastricht, The Netherlands
| | - Gerard JP van Breukelen
- Department of Methodology and Statistics, School for Public Health and Primary Care CAPHRI, Maastricht University, Maastricht, The Netherlands
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Singh M, Agarwal A, Sinha V, Manoj Kumar R, Jaiswal N, Jindal I, Pant P, Kumar M. Application of Handheld Tele-ECG for Health Care Delivery in Rural India. Int J Telemed Appl 2014; 2014:981806. [PMID: 25368654 PMCID: PMC4195398 DOI: 10.1155/2014/981806] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 09/06/2014] [Accepted: 09/09/2014] [Indexed: 11/18/2022] Open
Abstract
Telemonitoring is a medical practice that involves remotely monitoring patients who are not at the same location as the health care provider. The purpose of our study was to use handheld tele-electrocardiogram (ECG) developed by Bhabha Atomic Research Center (BARC) to identify heart conditions in the rural underserved population where the doctor-patient ratio is low and access to health care is difficult. The objective of our study was clinical validation of handheld tele-ECG as a screening tool for evaluation of cardiac diseases in the rural population. ECG was obtained in 450 individuals (mean age 31.49 ± 20.058) residing in the periphery of Chandigarh, India, from April 2011 to March 2013, using the handheld tele-ECG machine. The data were then transmitted to physicians in Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, for their expert opinion. ECG was interpreted as normal in 70% individuals. Left ventricular hypertrophy (9.3%) was the commonest abnormality followed closely by old myocardial infarction (5.3%). Patient satisfaction was reported to be ~95%. Thus, it can be safely concluded that tele-ECG is a portable, cost-effective, and convenient tool for diagnosis and monitoring of heart diseases and thus improves quality and accessibility, especially in rural areas.
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Affiliation(s)
- Meenu Singh
- Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
| | - Amit Agarwal
- ICMR Centre for Evidence Based Child Health, Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
| | - Vineet Sinha
- Department of Electronic Division, Bhabha Atomic Research Center, Mumbai 400085, India
| | - Rohit Manoj Kumar
- Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Nishant Jaiswal
- ICMR Centre for Evidence Based Child Health, Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
| | - Ishita Jindal
- ICMR Centre for Evidence Based Child Health, Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
| | - Pankaj Pant
- ICMR Centre for Evidence Based Child Health, Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
| | - Munish Kumar
- ICMR Centre for Evidence Based Child Health, Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160012, India
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Ben-Assa E, Shacham Y, Golovner M, Malov N, Leshem-Rubinow E, Zatelman A, Oren Shamir A, Rogowski O, Roth A. Is telemedicine an answer to reducing 30-day readmission rates post-acute myocardial infarction? Telemed J E Health 2014; 20:816-21. [PMID: 25046174 DOI: 10.1089/tmj.2013.0346] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Patients hospitalized for an acute myocardial infarction (AMI) are at risk for early readmission. Readmission rates in the community reportedly reach approximately 20%, and 30-day readmission rates have become a quality-of-care marker. Telemedicine is one strategy for improving clinical outcomes by offering real-time biometrics tracking and rapid intervention. We retrospectively assessed the 30-day readmission rate of post-AMI members of a telemedicine system. MATERIALS AND METHODS All "SHL"-Telemedicine subscribers who sustained an AMI and those who became subscribers within 10 days from discharge post-AMI between 2009 and 2012 were assessed. Their files were reviewed for demographics, coronary risk factors, reasons for readmission, and discharge diagnoses. RESULTS In total, 897 suitable patients (mean age, 62±14 years; 81% males) were included. They had made 3,318 calls to the monitor center for consultation. A mobile intensive care unit was dispatched for 158 patients, 64 were transported to the hospital, and 52 (5.8%) were readmitted (10 patients were readmitted twice). Thirty-five readmissions were for noncardiac reasons. Twelve patients had acute coronary syndrome (11 were revascularized). Readmission rates were higher in patients with repeat AMIs (11.9% versus 5.3% among those with no AMI history) and in females (9.6% versus 4.9% among males). Unlike published figures for the general population, there were no significant differences between readmitted and non-readmitted patients regarding diabetes, hypertension, or congestive heart failure. CONCLUSIONS Telemedicine technology shows considerable promise for reducing 30-day readmission rates of post-AMI patients.
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Affiliation(s)
- Eyal Ben-Assa
- 1 Department of Cardiology, Tel Aviv University , Tel Aviv, Israel
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Park S, Parwani AV, Aller RD, Banach L, Becich MJ, Borkenfeld S, Carter AB, Friedman BA, Rojo MG, Georgiou A, Kayser G, Kayser K, Legg M, Naugler C, Sawai T, Weiner H, Winsten D, Pantanowitz L. The history of pathology informatics: A global perspective. J Pathol Inform 2013; 4:7. [PMID: 23869286 PMCID: PMC3714902 DOI: 10.4103/2153-3539.112689] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Accepted: 03/09/2013] [Indexed: 02/06/2023] Open
Abstract
Pathology informatics has evolved to varying levels around the world. The history of pathology informatics in different countries is a tale with many dimensions. At first glance, it is the familiar story of individuals solving problems that arise in their clinical practice to enhance efficiency, better manage (e.g., digitize) laboratory information, as well as exploit emerging information technologies. Under the surface, however, lie powerful resource, regulatory, and societal forces that helped shape our discipline into what it is today. In this monograph, for the first time in the history of our discipline, we collectively perform a global review of the field of pathology informatics. In doing so, we illustrate how general far-reaching trends such as the advent of computers, the Internet and digital imaging have affected pathology informatics in the world at large. Major drivers in the field included the need for pathologists to comply with national standards for health information technology and telepathology applications to meet the scarcity of pathology services and trained people in certain countries. Following trials by a multitude of investigators, not all of them successful, it is apparent that innovation alone did not assure the success of many informatics tools and solutions. Common, ongoing barriers to the widespread adoption of informatics devices include poor information technology infrastructure in undeveloped areas, the cost of technology, and regulatory issues. This review offers a deeper understanding of how pathology informatics historically developed and provides insights into what the promising future might hold.
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Affiliation(s)
- Seung Park
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Leshem-Rubinow E, Berger M, Shacham J, Birati EY, Malov N, Tamari M, Golovner M, Roth A. New real-time loop recorder diagnosis of symptomatic arrhythmia via telemedicine. Clin Cardiol 2011; 34:420-5. [PMID: 21618252 DOI: 10.1002/clc.20906] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2010] [Accepted: 01/29/2011] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND One disadvantage of current loop recorders is the long interval between recording an electrocardiogram (ECG), establishing a diagnosis, and taking appropriate medical measures. The Cardio R loop recorder transmits cardiac recordings by cellular communication at the push of a button. Users can concomitantly relay symptoms, thereby providing a symptom/cardio-rhythm correlation. HYPOTHESIS The Cardio R is capable of early detection of cardio-electrical events that could account for patients' symptoms. METHODS This observational study was designed to evaluate patients who were referred from community physicians/cardiologists for evaluation of various cardiac symptoms that were not observed by regular office ECGs or traditional 24-hour Holter cardiac monitoring. Transmitted recordings were instantly displayed on a monitor for immediate diagnosis by the on-duty medical team at SHL-Telemedicine's call center. Abnormal tracings, especially when accompanied by symptoms selected from the prepared list, enabled the staff to instruct the subscriber, notify their physician, and/or dispatch a mobile intensive care unit to the scene. RESULTS Between January 2009 and August 2010, there were 17 622 ECG transmissions received from 604 patients (age range, 10-95 years) who completed a 1-month trial with the Cardio R device. Palpitation, presyncope, and chest pain were the leading complaints. A disturbance in rhythm that could account for symptoms occurred during recording in 49% cases and was displayed within 7 minutes in 93% of them. No longer than 2 days elapsed from recording onset to diagnosis. CONCLUSIONS The Cardio R device enables prompt ECG confirmation/exclusion of a probable arrhythmic cause of symptoms, enabling rapid intervention for cardiac-relevant complaints.
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Affiliation(s)
- Eran Leshem-Rubinow
- Department of Cardiology, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel.
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DeBusk RF, Miller NH, Raby L. Technical Feasibility of an Online Decision Support System for Acute Coronary Syndromes. Circ Cardiovasc Qual Outcomes 2010; 3:694-700. [DOI: 10.1161/circoutcomes.109.931915] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Robert F. DeBusk
- From the Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, Calif
| | - Nancy Houston Miller
- From the Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, Calif
| | - Lynda Raby
- From the Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford University, Stanford, Calif
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Inglis SC, Clark RA, McAlister FA, Ball J, Lewinter C, Cullington D, Stewart S, Cleland JG. Structured telephone support or telemonitoring programmes for patients with chronic heart failure. Cochrane Database Syst Rev 2010:CD007228. [PMID: 20687083 DOI: 10.1002/14651858.cd007228.pub2] [Citation(s) in RCA: 291] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Specialised disease management programmes for chronic heart failure (CHF) improve survival, quality of life and reduce healthcare utilisation. The overall efficacy of structured telephone support or telemonitoring as an individual component of a CHF disease management strategy remains inconclusive. OBJECTIVES To review randomised controlled trials (RCTs) of structured telephone support or telemonitoring compared to standard practice for patients with CHF in order to quantify the effects of these interventions over and above usual care for these patients. SEARCH STRATEGY Databases (the Cochrane Central Register of Controlled Trials (CENTRAL), Database of Abstracts of Reviews of Effects (DARE) and Health Technology Assessment Database (HTA) on The Cochrane Library, MEDLINE, EMBASE, CINAHL, AMED and Science Citation Index Expanded and Conference Citation Index on ISI Web of Knowledge) and various search engines were searched from 2006 to November 2008 to update a previously published non-Cochrane review. Bibliographies of relevant studies and systematic reviews and abstract conference proceedings were handsearched. No language limits were applied. SELECTION CRITERIA Only peer reviewed, published RCTs comparing structured telephone support or telemonitoring to usual care of CHF patients were included. Unpublished abstract data was included in sensitivity analyses. The intervention or usual care could not include a home visit or more than the usual (four to six weeks) clinic follow-up. DATA COLLECTION AND ANALYSIS Data were presented as risk ratio (RR) with 95% confidence intervals (CI). Primary outcomes included all-cause mortality, all-cause and CHF-related hospitalisations which were meta-analysed using fixed effects models. Other outcomes included length of stay, quality of life, acceptability and cost and these were described and tabulated. MAIN RESULTS Twenty-five studies and five published abstracts were included. Of the 25 full peer-reviewed studies meta-analysed, 16 evaluated structured telephone support (5613 participants), 11 evaluated telemonitoring (2710 participants), and two tested both interventions (included in counts). Telemonitoring reduced all-cause mortality (RR 0.66, 95% CI 0.54 to 0.81, P < 0.0001) with structured telephone support demonstrating a non-significant positive effect (RR 0.88, 95% CI 0.76 to 1.01, P = 0.08). Both structured telephone support (RR 0.77, 95% CI 0.68 to 0.87, P < 0.0001) and telemonitoring (RR 0.79, 95% CI 0.67 to 0.94, P = 0.008) reduced CHF-related hospitalisations. For both interventions, several studies improved quality of life, reduced healthcare costs and were acceptable to patients. Improvements in prescribing, patient knowledge and self-care, and New York Heart Association (NYHA) functional class were observed. AUTHORS' CONCLUSIONS Structured telephone support and telemonitoring are effective in reducing the risk of all-cause mortality and CHF-related hospitalisations in patients with CHF; they improve quality of life, reduce costs, and evidence-based prescribing.
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Affiliation(s)
- Sally C Inglis
- Preventative Health, Baker IDI Heart and Diabetes Institute, Melbourne, Australia
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Nikus K, Lähteenmäki J, Lehto P, Eskola M. The role of continuous monitoring in a 24/7 telecardiology consultation service--a feasibility study. J Electrocardiol 2009; 42:473-80. [PMID: 19698956 DOI: 10.1016/j.jelectrocard.2009.07.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2009] [Indexed: 10/20/2022]
Abstract
Today's coronary care unit patients include those with complicated and uncomplicated myocardial infarction, decompensated heart failure and frank cardiogenic shock, severe valvular heart disease, high-grade conduction disturbances, and incessant ventricular arrhythmias. Increasingly in modern medicine, these conditions are not seen in isolation but rather in connection with a series of additional medical comorbidities. Increased life expectancy results in an increase in the prevalence of chronic cardiovascular diseases and an increased demand for health care services. Telemedicine is the provision of health care services, through the use of information and communication technology, in situations where the health care professional and the patient, or 2 health care professionals, are not in the same location. It involves the secure transmission of medical data and information, through text, sound, images, or other forms needed for the prevention, diagnosis, treatment, and follow-up of a patient. Telecardiology is one of the oldest applications in telemedicine and has been largely applied during the last 10 to 20 years. This study evaluated the feasibility of remote surveillance of coronary care unit and cardiology ward patient monitoring data by a "telecardiologist" with access to electronic health care record data and digitally stored 12-lead electrocardiograms. The remote access to the hospital intranet proved to be technically feasible. Also, the server applications used over the remote connection proved to be reliable and showed robustness against network performance variations. Extending remote patient surveillance to other hospitals is possible, provided that similar electrocardiogram and electronic health care record applications are available and a remote access can be arranged to them. However, the usability from cardiologist's perspective may be degraded if connecting with multiple applications and hospital networks is needed. The study indicated potential for speeding up the diagnostic and therapeutic processes in the hospital, although the study was limited in that the telecardiologist played a passive role and did not acutely impact patient care. In the future, the system could be expanded to surveillance of smaller hospitals. Telemedicine has the potential to aid in solving the conflict between aging of population, rise in the demand for critical care services, and shortage of professional personnel. This might, however, require a more active remote surveillance than the one tested in this study. Privacy- and security-related aspects are major components of building trust and confidence in telemedicine systems. In telecardiology, the real-time interactive telemedicine model with 24/7 service has potential superior performance compared with a store-and-forward telemedicine model.
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Affiliation(s)
- Kjell Nikus
- Department of Cardiology, Heart Center, Tampere University Hospital, Tampere, Finland
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Vanagas G, Žaliūnas R, Benetis R, Šlapikas R, Smith W. Clinical-Technical Performance and Physician Satisfaction with a Transnational Telephonic ECG System. Telemed J E Health 2008; 14:695-700. [DOI: 10.1089/tmj.2007.0113] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Giedrius Vanagas
- Departments of Preventive Medicine, Kaunas University of Medicine, Kaunas, Lithuania
| | - Remigijus Žaliūnas
- Departments of Cardiology, Kaunas University of Medicine, Kaunas, Lithuania
| | - Rimantas Benetis
- Departments of Heart Surgery, Kaunas University of Medicine, Kaunas, Lithuania. Institute of Cardiology, Kaunas, Lithuania
| | - Rimvydas Šlapikas
- Departments of Cardiology, Kaunas University of Medicine, Kaunas, Lithuania
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Vanagas G, Žaliūnas R, Benetis R, Šlapikas R. Factors Affecting Relevance of Tele-ECG Systems Application to High Risk for Future Ischemic Heart Disease Events Patients Group. Telemed J E Health 2008; 14:345-9. [DOI: 10.1089/tmj.2007.0060] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | - Rimantas Benetis
- Departments of Heart Surgery, Institute of Cardiology, Kaunas, Lithuania
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