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Sekar PK, Liang XM, Kahng SJ, Shu Z, Dichiara AB, Chung JH, Wu Y, Gao D. Simultaneous multiparameter whole blood hemostasis assessment using a carbon nanotube-paper composite capacitance sensor. Biosens Bioelectron 2022; 197:113786. [PMID: 34801797 DOI: 10.1016/j.bios.2021.113786] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/07/2021] [Accepted: 11/10/2021] [Indexed: 12/14/2022]
Abstract
Rapid and accurate clinical assessment of hemostasis is essential for managing patients who undergo invasive procedures, experience hemorrhages, or receive antithrombotic therapies. Hemostasis encompasses an ensemble of interactions between the cellular and non-cellular blood components, but current devices assess only partial aspects of this complex process. In this work, we describe the development of a new approach to simultaneously evaluate coagulation function, platelet count or function, and hematocrit using a carbon nanotube-paper composite (CPC) capacitance sensor. CPC capacitance response to blood clotting at 1.3 MHz provided three sensing parameters with distinctive sensitivities towards multiple clotting elements. Whole blood-based hemostasis assessments were conducted to demonstrate the potential utility of the developed sensor for various hemostatic conditions, including pathological conditions, such as hemophilia and thrombocytopenia. Results showed good agreements when compared to a conventional thromboelastography. Overall, the presented CPC capacitance sensor is a promising new biomedical device for convenient non-contact whole-blood based comprehensive hemostasis evaluation.
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Affiliation(s)
- Praveen K Sekar
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Xin M Liang
- Wellman Center for Photomedicine, Division of Hematology and Oncology, Division of Endocrinology, Massachusetts General Hospital, VA Boston Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02115, USA.
| | - Seong-Joong Kahng
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Zhiquan Shu
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA; School of Engineering and Technology, University of Washington Tacoma, Tacoma, WA, 98402, USA
| | - Anthony B Dichiara
- School of Environmental and Forest Sciences, University of Washington, Seattle, WA, 98195, USA
| | - Jae-Hyun Chung
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Yanyun Wu
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA.
| | - Dayong Gao
- Department of Mechanical Engineering, University of Washington, Seattle, WA, 98195, USA; Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA.
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2
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Phibbs CS, Love SR, Jacobson AK, Edson R, Su P, Uyeda L, Matchar DB. At-Home Versus In-Clinic INR Monitoring: A Cost-Utility Analysis from The Home INR Study (THINRS). J Gen Intern Med 2016; 31:1061-7. [PMID: 27234663 PMCID: PMC4978674 DOI: 10.1007/s11606-016-3700-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 11/16/2015] [Accepted: 03/28/2016] [Indexed: 01/21/2023]
Abstract
BACKGROUND Effective management of patients using warfarin is resource-intensive, requiring frequent in-clinic testing of the international normalized ratio (INR). Patient self-testing (PST) using portable at-home INR monitoring devices has emerged as a convenient alternative. As revealed by The Home INR Study (THINRS), event rates for PST were not significantly different from those for in-clinic high-quality anticoagulation management (HQACM), and a cumulative gain in quality of life was observed for patients undergoing PST. OBJECTIVE To perform a cost-utility analysis of weekly PST versus monthly HQACM and to examine the sensitivity of these results to testing frequency. PATIENTS/INTERVENTIONS In this study, 2922 patients taking warfarin for atrial fibrillation or mechanical heart valve, and who demonstrated PST competence, were randomized to either weekly PST (n = 1465) or monthly in-clinic testing (n = 1457). In a sub-study, 234 additional patients were randomized to PST once every 4 weeks (n = 116) or PST twice weekly (n = 118). The endpoints were quality of life (measured by the Health Utilities Index), health care utilization, and costs over 2 years of follow-up. RESULTS PST and HQACM participants were similar with regard to gender, age, and CHADS2 score. The total cost per patient over 2 years of follow-up was $32,484 for HQACM and $33,460 for weekly PST, representing a difference of $976. The incremental cost per quality-adjusted life year gained with PST once weekly was $5566 (95 % CI, -$11,490 to $25,142). The incremental cost-effectiveness ratio (ICER) was sensitive to testing frequency: weekly PST dominated PST twice weekly and once every 4 weeks. Compared to HQACM, weekly PST was associated with statistically significant and clinically meaningful improvements in quality of life. The ICER for weekly PST versus HQACM was well within accepted standards for cost-effectiveness, and was preferred over more or less frequent PST. These results were robust to sensitivity analyses of key assumptions. CONCLUSION Weekly PST is a cost-effective alternative to monthly HQACM and a preferred testing frequency compared to twice weekly or monthly PST.
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Affiliation(s)
- Ciaran S Phibbs
- Health Economics Resource Center, VA Palo Alto Health Care System, Palo Alto, CA, USA. .,Department of Pediatrics and Center for Primary Care and Outcomes Research, Stanford University School of Medicine, Stanford, CA, USA. .,Health Economist, VA Health Economics Resource Center, 795 Willow Road (152MPD), Menlo Park, CA, 94025, USA.
| | - Sean R Love
- Health Services and Systems Research Program, Duke-National University of Singapore Graduate Medical School, Singapore, Singapore.,Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Alan K Jacobson
- Jerry L. Pettis VA Medical Center, Research and Development Service (151), Loma Linda, CA, USA.,Department of Internal Medicine, Loma Linda University, Loma Linda, CA, USA
| | - Robert Edson
- VA Palo Alto Health Care System, Cooperative Studies Program Coordinating Center (151 K), Palo Alto, CA, USA
| | - Pon Su
- Health Economics Resource Center, VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Lauren Uyeda
- VA Palo Alto Health Care System, Cooperative Studies Program Coordinating Center (151 K), Palo Alto, CA, USA
| | - David B Matchar
- Health Services and Systems Research Program, Duke-National University of Singapore Graduate Medical School, Singapore, Singapore.,Durham VA Medical Center, Durham, NC, USA.,Division of General Medicine, Department of Medicine, and Center for Clinical Health Policy Research, Duke University Medical Center, Durham, NC, USA
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3
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The impact of frequency of patient self-testing of prothrombin time on time in target range within VA Cooperative Study #481: The Home INR Study (THINRS), a randomized, controlled trial. J Thromb Thrombolysis 2016; 40:17-25. [PMID: 25209313 DOI: 10.1007/s11239-014-1128-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Anticoagulation (AC) is effective in reducing thromboembolic events for individuals with atrial fibrillation (AF) or mechanical heart valve (MHV), but maintaining patients in target range for international normalized ratio (INR) can be difficult. Evidence suggests increasing INR testing frequency can improve time in target range (TTR), but this can be impractical with in-clinic testing. The objective of this study was to test the hypothesis that more frequent patient-self testing (PST) via home monitoring increases TTR. This planned substudy was conducted as part of The Home INR Study, a randomized controlled trial of in-clinic INR testing every 4 weeks versus PST at three different intervals. The setting for this study was 6 VA centers across the United States. 1,029 candidates with AF or MHV were trained and tested for competency using ProTime INR meters; 787 patients were deemed competent and, after second consent, randomized across four arms: high quality AC management (HQACM) in a dedicated clinic, with venous INR testing once every 4 weeks; and telephone monitored PST once every 4 weeks; weekly; and twice weekly. The primary endpoint was TTR at 1-year follow-up. The secondary endpoints were: major bleed, stroke and death, and quality of life. Results showed that TTR increased as testing frequency increased (59.9 ± 16.7 %, 63.3 ± 14.3 %, and 66.8 ± 13.2 % [mean ± SD] for the groups that underwent PST every 4 weeks, weekly and twice weekly, respectively). The proportion of poorly managed patients (i.e., TTR <50 %) was significantly lower for groups that underwent PST versus HQACM, and the proportion decreased as testing frequency increased. Patients and their care providers were unblinded given the nature of PST and HQACM. In conclusion, more frequent PST improved TTR and reduced the proportion of poorly managed patients.
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Baker R, Camosso‐Stefinovic J, Gillies C, Shaw EJ, Cheater F, Flottorp S, Robertson N, Wensing M, Fiander M, Eccles MP, Godycki‐Cwirko M, van Lieshout J, Jäger C. Tailored interventions to address determinants of practice. Cochrane Database Syst Rev 2015; 2015:CD005470. [PMID: 25923419 PMCID: PMC7271646 DOI: 10.1002/14651858.cd005470.pub3] [Citation(s) in RCA: 313] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Tailored intervention strategies are frequently recommended among approaches to the implementation of improvement in health professional performance. Attempts to change the behaviour of health professionals may be impeded by a variety of different barriers, obstacles, or factors (which we collectively refer to as determinants of practice). Change may be more likely if implementation strategies are specifically chosen to address these determinants. OBJECTIVES To determine whether tailored intervention strategies are effective in improving professional practice and healthcare outcomes. We compared interventions tailored to address the identified determinants of practice with either no intervention or interventions not tailored to the determinants. SEARCH METHODS We conducted searches of The Cochrane Library, MEDLINE, EMBASE, PubMed, CINAHL, and the British Nursing Index to May 2014. We conducted a final search in December 2014 (in MEDLINE only) for more recently published trials. We conducted searches of the metaRegister of Controlled Trials (mRCT) in March 2013. We also handsearched two journals. SELECTION CRITERIA Cluster-randomised controlled trials (RCTs) of interventions tailored to address prospectively identified determinants of practice, which reported objectively measured professional practice or healthcare outcomes, and where at least one group received an intervention designed to address prospectively identified determinants of practice. DATA COLLECTION AND ANALYSIS Two review authors independently assessed quality and extracted data. We undertook qualitative and quantitative analyses, the quantitative analysis including two elements: we carried out 1) meta-regression analyses to compare interventions tailored to address identified determinants with either no interventions or an intervention(s) not tailored to the determinants, and 2) heterogeneity analyses to investigate sources of differences in the effectiveness of interventions. These included the effects of: risk of bias, use of a theory when developing the intervention, whether adjustment was made for local factors, and number of domains addressed with the determinants identified. MAIN RESULTS We added nine studies to this review to bring the total number of included studies to 32 comparing an intervention tailored to address identified determinants of practice to no intervention or an intervention(s) not tailored to the determinants. The outcome was implementation of recommended practice, e.g. clinical practice guideline recommendations. Fifteen studies provided enough data to be included in the quantitative analysis. The pooled odds ratio was 1.56 (95% confidence interval (CI) 1.27 to 1.93, P value < 0.001). The 17 studies not included in the meta-analysis had findings showing variable effectiveness consistent with the findings of the meta-regression. AUTHORS' CONCLUSIONS Despite the increase in the number of new studies identified, our overall finding is similar to that of the previous review. Tailored implementation can be effective, but the effect is variable and tends to be small to moderate. The number of studies remains small and more research is needed, including trials comparing tailored interventions to no or other interventions, but also studies to develop and investigate the components of tailoring (identification of the most important determinants, selecting interventions to address the determinants). Currently available studies have used different methods to identify determinants of practice and different approaches to selecting interventions to address the determinants. It is not yet clear how best to tailor interventions and therefore not clear what the effect of an optimally tailored intervention would be.
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Affiliation(s)
- Richard Baker
- University of LeicesterDepartment of Health Sciences22‐28 Princess Rd WestLeicesterLeicestershireUKLE1 6TP
| | | | - Clare Gillies
- University of LeicesterUniversity Division of Medicine for the ElderlyThe Glenfield HospitalGroby RoadLeicesterUKLE5 4PW
| | - Elizabeth J Shaw
- National Institute for Health and Care Excellence (NICE)Level 1A, City PlazaPiccadilly PlazaManchesterUKM1 4BD
| | - Francine Cheater
- School of Health Sciences, University of East AngliaEdith Cavell BuildingNorwichNorfolkUK
| | - Signe Flottorp
- Norwegian Knowledge Centre for the Health ServicesBox 7004, St. Olavs plassOsloNorway0130
| | - Noelle Robertson
- Leicester UniversitySchool of Psychology (Clinical Section)104 Regent RoadLeicesterLeicestershireUKLE1 7LT
| | - Michel Wensing
- Radboud University Medical CenterRadboud Institute for Health SciencesPO Box 9101117 KWAZONijmegenNetherlands6500 HB
| | | | - Martin P Eccles
- Newcastle UniversityInstitute of Health and SocietyBadiley Clark BuildingRichardson RoadNewcastle upon TyneUKNE2 4AX
| | - Maciek Godycki‐Cwirko
- Medical University of LodzCentre for Family and Community MedicineKopcindkiego 20LodzPoland90‐153
| | - Jan van Lieshout
- Radboud University Medical CenterScientific Institute for Quality of HealthcareP.O.Box 9101NijmegenNetherlands6500 HB
| | - Cornelia Jäger
- University Hospital of HeidelbergDepartment of General Practice and Health Services ResearchVoßstr. 2, Geb. 37HeidelbergGermany69115
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Lee JA, Nguyen AL, Berg J, Amin A, Bachman M, Guo Y, Evangelista L. Attitudes and preferences on the use of mobile health technology and health games for self-management: interviews with older adults on anticoagulation therapy. JMIR Mhealth Uhealth 2014; 2:e32. [PMID: 25098413 PMCID: PMC4125157 DOI: 10.2196/mhealth.3196] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 03/17/2014] [Accepted: 05/31/2014] [Indexed: 11/13/2022] Open
Abstract
Background Older adults are at substantial risk for cardiovascular disorders that may require anticoagulation therapy. Those on warfarin therapy report dissatisfaction and reduced quality of life (QOL) resulting from the treatment. Advances in the area of mobile health (mHealth) technology have resulted in the design and development of new patient-centric models for the provision of personalized health care services to improve care delivery. However, there is a paucity of research examining the effectiveness of mHealth tools on knowledge, attitudes, and patient satisfaction with treatment, as well as self-management, adherence to therapy, and QOL in older adults with chronic illness conditions requiring long-term warfarin therapy. Objective The objective of the study was to explore the attitudes and preferences of older adults on warfarin therapy regarding the use of mHealth technology and health games to gain skills for self-management. Methods We conducted group and individual interviews with patients (60 years or older) on warfarin therapy at two anticoagulation clinics affiliated with an academic medical center. We held 4 group and 2 individual interviews, resulting in 11 patient participants and 2 family caregiver participants. We used structured questions on three topic areas including medication self-management strategies, mHealth technology use, and health games for exercise. We demonstrated some commercial health apps related to medication management, vitamin K content of food, and a videogame for balance exercise. Discussions were audiotaped and transcribed verbatim. Common themes were drawn using content analysis. Results The participants reported awareness of the importance of staying on schedule with warfarin therapy. They also acknowledged that negative experiences of friends or family members who were taking warfarin influenced their desire to keep on schedule with warfarin therapy. In addition, the participants expressed that the use of mHealth technology may be helpful for medication management. They also expressed the need for family support in the use of health technology devices. Moreover, the participants discussed concerns and challenges to use health technology and health games, and provided suggestions on ways to make mHealth technology and health games elder-friendly. Conclusions These findings indicate that our older adults on warfarin therapy are interested in mHealth technology specific to warfarin medication management and health games. Further research needs to be done to validate these findings. Elder-friendly designs, technology support, and physical safety using mHealth technology may be useful in this population. These findings can be used to inform a larger study to design and test an elder-centered mHealth technology in this target population.
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Affiliation(s)
- Jung-Ah Lee
- University of California, Irvine, Program in Nursing Science, Irvine, CA, United States.
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6
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Matchar DB, Jacobson A, Dolor R, Edson R, Uyeda L, Phibbs CS, Vertrees JE, Shih MC, Holodniy M, Lavori P. Effect of home testing of international normalized ratio on clinical events. N Engl J Med 2010; 363:1608-20. [PMID: 20961244 DOI: 10.1056/nejmoa1002617] [Citation(s) in RCA: 244] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Warfarin anticoagulation reduces thromboembolic complications in patients with atrial fibrillation or mechanical heart valves, but effective management is complex, and the international normalized ratio (INR) is often outside the target range. As compared with venous plasma testing, point-of-care INR measuring devices allow greater testing frequency and patient involvement and may improve clinical outcomes. METHODS We randomly assigned 2922 patients who were taking warfarin because of mechanical heart valves or atrial fibrillation and who were competent in the use of point-of-care INR devices to either weekly self-testing at home or monthly high-quality testing in a clinic. The primary end point was the time to a first major event (stroke, major bleeding episode, or death). RESULTS The patients were followed for 2.0 to 4.75 years, for a total of 8730 patient-years of follow-up. The time to the first primary event was not significantly longer in the self-testing group than in the clinic-testing group (hazard ratio, 0.88; 95% confidence interval, 0.75 to 1.04; P=0.14). The two groups had similar rates of clinical outcomes except that the self-testing group reported more minor bleeding episodes. Over the entire follow-up period, the self-testing group had a small but significant improvement in the percentage of time during which the INR was within the target range (absolute difference between groups, 3.8 percentage points; P<0.001). At 2 years of follow-up, the self-testing group also had a small but significant improvement in patient satisfaction with anticoagulation therapy (P=0.002) and quality of life (P<0.001). CONCLUSIONS As compared with monthly high-quality clinic testing, weekly self-testing did not delay the time to a first stroke, major bleeding episode, or death to the extent suggested by prior studies. These results do not support the superiority of self-testing over clinic testing in reducing the risk of stroke, major bleeding episode, and death among patients taking warfarin therapy. (Funded by the Department of Veterans Affairs Cooperative Studies Program; ClinicalTrials.gov number, NCT00032591.).
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Affiliation(s)
- David B Matchar
- Health Services Research Field Program, Veterans Affairs Medical Center, Durham, NC, USA.
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7
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An evaluation of patient self-testing competency of prothrombin time for managing anticoagulation: pre-randomization results of VA Cooperative Study #481–The Home INR Study (THINRS). J Thromb Thrombolysis 2010; 30:263-75. [DOI: 10.1007/s11239-010-0499-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Baker R, Camosso-Stefinovic J, Gillies C, Shaw EJ, Cheater F, Flottorp S, Robertson N. Tailored interventions to overcome identified barriers to change: effects on professional practice and health care outcomes. Cochrane Database Syst Rev 2010:CD005470. [PMID: 20238340 PMCID: PMC4164371 DOI: 10.1002/14651858.cd005470.pub2] [Citation(s) in RCA: 440] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND In the previous version of this review, the effectiveness of interventions tailored to barriers to change was found to be uncertain. OBJECTIVES To assess the effectiveness of interventions tailored to address identified barriers to change on professional practice or patient outcomes. SEARCH STRATEGY For this update, in addition to the EPOC Register and pending files, we searched the following databases without language restrictions, from inception until August 2007: MEDLINE, EMBASE, CINAHL, BNI and HMIC. We searched the National Research Register to November 2007. We undertook further searches to October 2009 to identify potentially eligible published or ongoing trials. SELECTION CRITERIA Randomised controlled trials (RCTs) of interventions tailored to address prospectively identified barriers to change that reported objectively measured professional practice or healthcare outcomes in which at least one group received an intervention designed to address prospectively identified barriers to change. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed quality and extracted data. We undertook quantitative and qualitative analyses. The quantitative analyses had two elements.1. We carried out a meta-regression to compare interventions tailored to address identified barriers to change with either no interventions or an intervention(s) not tailored to the barriers.2. We carried out heterogeneity analyses to investigate sources of differences in the effectiveness of interventions. These included the effects of: risk of bias, concealment of allocation, rigour of barrier analysis, use of theory, complexity of interventions, and the reported presence of administrative constraints. MAIN RESULTS We included 26 studies comparing an intervention tailored to address identified barriers to change to no intervention or an intervention(s) not tailored to the barriers. The effect sizes of these studies varied both across and within studies.Twelve studies provided enough data to be included in the quantitative analysis. A meta-regression model was fitted adjusting for baseline odds by fitting it as a covariate, to obtain the pooled odds ratio of 1.54 (95% CI, 1.16 to 2.01) from Bayesian analysis and 1.52 (95% CI, 1.27 to 1.82, P < 0.001) from classical analysis. The heterogeneity analyses found that no study attributes investigated were significantly associated with effectiveness of the interventions. AUTHORS' CONCLUSIONS Interventions tailored to prospectively identified barriers are more likely to improve professional practice than no intervention or dissemination of guidelines. However, the methods used to identify barriers and tailor interventions to address them need further development. Research is required to determine the effectiveness of tailored interventions in comparison with other interventions.
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Affiliation(s)
- Richard Baker
- Department of Health Sciences, University of Leicester, Leicester, UK
| | | | - Clare Gillies
- University Division of Medicine for the Elderly, University of Leicester, Leicester, UK
| | - Elizabeth J Shaw
- National Institute for Health and Clinical Excellence, Manchester, UK
| | - Francine Cheater
- Institute of Health and Wellbeing, Glasgow Caledonian University, Glasgow, UK
| | - Signe Flottorp
- Norwegian Knowledge Centre for the Health Services, Oslo, Norway
| | - Noelle Robertson
- School of Psychology (Clinical Section), Leicester University, Leicester, UK
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Camilo O, Goldstein LB. Statewide Assessment of Hospital-Based Stroke Prevention and Treatment Services in North Carolina. Stroke 2003; 34:2945-50. [PMID: 14615612 DOI: 10.1161/01.str.0000103137.44496.ad] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background and Purpose—
The first published statewide assessment of stroke prevention and treatment services in the United States was carried out in North Carolina in 1998. The purpose of the present study was to measure changes in these services that may have occurred over the last 5 years.
Methods—
A 1-page questionnaire was sent to each facility in the state in February 2003. Results were compared with the 1998 survey.
Results—
Complete responses were obtained from each of the state’s 128 facilities. The proportions of hospitals providing CT angiography (35% versus 55%,
P
≤0.01), diffusion-weighted MRI (20% versus 45%,
P
≤0.01), transesophageal echocardiography (45% versus 59%,
P
≤0.02), and inpatient rehabilitation services (25% versus 43%,
P
≤0.01) increased over the 5 years. There was a trend toward more facilities having tissue plasminogen activator protocols (43% versus 54%,
P
≤0.09) but a decrease in the proportion of hospitals with interventional radiologists (23% versus 15%,
P
<0.01). There was no change in the proportion of the state’s population living in a county with a basic stroke prevention and treatment center, with the proportion residing in a county with an advanced center increasing by 12%. Entire regions of the state lacked either type of center, and only 14% had even the essential infrastructure recommended for a Brain Attack Coalition–type primary stroke center. There was no difference in the proportions of hospitals with organized stroke teams, those having a stroke acute care unit, those using stroke care maps, or hospitals having community awareness programs.
Conclusions—
Certain technologies have become more widely available, but hospital investments in stroke-related programs have not appreciably increased.
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Affiliation(s)
- Osvaldo Camilo
- Department of Medicine (Neurology), Duke Center for Cerebrovascular Disease, Durham, NC 27710, USA
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Ansell J, Hirsh J, Dalen J, Bussey H, Anderson D, Poller L, Jacobson A, Deykin D, Matchar D. Managing oral anticoagulant therapy. Chest 2001; 119:22S-38S. [PMID: 11157641 DOI: 10.1378/chest.119.1_suppl.22s] [Citation(s) in RCA: 364] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- J Ansell
- Department of Medicine, Boston University Medical Center, MA 02118, USA.
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