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Chowdhury MRK, Stub D, Dinh D, Karim MN, Siddiquea BN, Billah B. Preoperative Variables of 30-Day Mortality in Adults Undergoing Percutaneous Coronary Intervention: A Systematic Review. Heart Lung Circ 2024; 33:951-961. [PMID: 38570260 DOI: 10.1016/j.hlc.2024.01.021] [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: 07/22/2023] [Revised: 01/09/2024] [Accepted: 01/12/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND AND AIM Risk adjustment following percutaneous coronary intervention (PCI) is vital for clinical quality registries, performance monitoring, and clinical decision-making. There remains significant variation in the accuracy and nature of risk adjustment models utilised in international PCI registries/databases. Therefore, the current systematic review aims to summarise preoperative variables associated with 30-day mortality among patients undergoing PCI, and the other methodologies used in risk adjustments. METHOD The MEDLINE, EMBASE, CINAHL, and Web of Science databases until October 2022 without any language restriction were systematically searched to identify preoperative independent variables related to 30-day mortality following PCI. Information was systematically summarised in a descriptive manner following the Checklist for critical Appraisal and data extraction for systematic Reviews of prediction Modelling Studies checklist. The quality and risk of bias of all included articles were assessed using the Prediction Model Risk Of Bias Assessment Tool. Two independent investigators took part in screening and quality assessment. RESULTS The search yielded 2,941 studies, of which 42 articles were included in the final assessment. Logistic regression, Cox-proportional hazard model, and machine learning were utilised by 27 (64.3%), 14 (33.3%), and one (2.4%) article, respectively. A total of 74 independent preoperative variables were identified that were significantly associated with 30-day mortality following PCI. Variables that repeatedly used in various models were, but not limited to, age (n=36, 85.7%), renal disease (n=29, 69.0%), diabetes mellitus (n=17, 40.5%), cardiogenic shock (n=14, 33.3%), gender (n=14, 33.3%), ejection fraction (n=13, 30.9%), acute coronary syndrome (n=12, 28.6%), and heart failure (n=10, 23.8%). Nine (9; 21.4%) studies used missing values imputation, and 15 (35.7%) articles reported the model's performance (discrimination) with values ranging from 0.501 (95% confidence interval [CI] 0.472-0.530) to 0.928 (95% CI 0.900-0.956), and four studies (9.5%) validated the model on external/out-of-sample data. CONCLUSIONS Risk adjustment models need further improvement in their quality through the inclusion of a parsimonious set of clinically relevant variables, appropriately handling missing values and model validation, and utilising machine learning methods.
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Affiliation(s)
- Mohammad Rocky Khan Chowdhury
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia
| | - Dion Stub
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia
| | - Diem Dinh
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia
| | - Md Nazmul Karim
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia
| | - Bodrun Naher Siddiquea
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia
| | - Baki Billah
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Vic, Australia.
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Bijani M, Abedi S, Zare A, Tavacol Z, Abadi F, Alkamel A. Exploring the challenges to using telecardiology as perceived by pre-hospital emergency care personnel: a qualitative study. BMC Emerg Med 2023; 23:143. [PMID: 38049778 PMCID: PMC10696672 DOI: 10.1186/s12873-023-00913-8] [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: 04/01/2023] [Accepted: 11/23/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Today, using the medical technology of telecardiology, as part of advanced medical services, plays an essential role in providing care to cardiac patients in life-threatening conditions who need emergency care. However, pre-hospital emergency care personnel are faced with certain challenges in using telecardiology, with adverse effects on their performance. Therefore, the present study aimed to investigate the challenges to using telecardiology as viewed by pre-hospital emergency care personnel in Southern Iran. METHODS The present study is a qualitative work of research with a content analysis approach. Selected using purposeful sampling, 19 pre-hospital emergency care personnel were interviewed on a semi-structured, personal, in-depth basis. The qualitative data obtained were analyzed using the Graneheim and Lundman's conventional content analysis approach (2004). RESULTS Based on the qualitative data analysis, 3 themes and 8 subthemes were obtained. The three main themes included professional barriers (lack of clinical knowledge of telecardiology, lack of clinical skill in telecardiology, violation of patients' privacy, lack of clinical guidelines on telecardiology), medical equipment and telecommunication barriers (poor reception and ineffective means of communication, low charge on the battery of tele-electrocardiogram machines), and organizational management barriers (serious lack of cardiologists available for medical counseling and lack of continual personal development of the telecardiology personnel). CONCLUSION Senior managers in pre-hospital emergency care services are recommended to use the results of this study to identify the influential factors in using telecardiology and take the necessary measures to eliminate the existing barriers toward making optimal use of telemedicine, thereby improving the quality of care provided for cardiac patients.
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Affiliation(s)
- Mostafa Bijani
- Department of Medical Surgical Nursing, School of Nursing, Fasa University of Medical Sciences, Fasa, Iran.
| | - Saeed Abedi
- Department of Emergency Medical Services, Fasa University of Medical Sciences, Fasa, Iran
| | - Azam Zare
- Department of Medical Surgical Nursing, School of Nursing, Fasa University of Medical Sciences, Fasa, Iran
| | - Ziba Tavacol
- Department of Medical Surgical Nursing, School of Nursing, Fasa University of Medical Sciences, Fasa, Iran
| | - Fozieh Abadi
- Department of Medical Surgical Nursing, School of Nursing, Fasa University of Medical Sciences, Fasa, Iran
| | - Abdulhakim Alkamel
- Department of Cardiology, Fasa University of Medical Sciences, Fasa, Iran
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Price J, Rudman J, Schoenfeld D, Thomas SA, Rees P, Bloom B, McCartin M, Blumen I, Thomas SH. Survivorship With Incrementally Faster Times to Primary Percutaneous Coronary Intervention (SWIFT-PPCI): A Systematic Review and Meta-Analysis. Am J Cardiol 2023; 207:356-362. [PMID: 37776583 DOI: 10.1016/j.amjcard.2023.08.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 08/27/2023] [Accepted: 08/27/2023] [Indexed: 10/02/2023]
Abstract
In the United States, there are approximately 750,000 ST-elevation myocardial infarction cases each year. Streamlined care and rapid delivery for primary percutaneous coronary intervention (PPCI) is associated with improved survival. This systematic review and meta-analysis aimed to generate a practical estimate of mortality savings for every notional 30-minute decrease in the time to achieving PPCI. Included studies were those that provided a specific absolute risk reduction for a specific reduction in pre-PPCI time. The eligible studies evaluated the survival benefit from pre-PPCI time savings measured in any interval ending with PPCI and commencing with objectively recorded timing, such as initial emergency call, first medical contact, or hospital arrival. Study planning called for the reporting of data as individual study results, with a pooled effect estimate of relative risk calculated with random-effects meta-analysis. A total of 1,088 records were eligible for review; 52 were reviewed in full text, with 4 studies (total patient n = 235,814, overall mortality 4.7% to 7.8%) included in the final analysis. All 4 studies reported significant time-related survival benefit over the study focus window of 60 to 180 minutes pre-PPCI. The number of lives saved per 100 cases for each 30-minute pre-PPCI time savings ranged from 0.8 to 1.9. The overall effect estimate generated was 0.753 (95% confidence interval 0.712 to 0.796), with acceptable heterogeneity (I2 = 36%). In conclusion, a pooled effect calculation estimated a 24.7% relative risk reduction for each 30 minutes of time savings. For cases that underwent PPCI within 60 to 180 minutes of initial presentation with known baseline mortality risk, the time savings in 30-minute epochs can be leveraged to estimate a specific number of lives saved; this may be useful for those involved in the organization of medical care who make systemwide plans and individual patient triage decisions.
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Affiliation(s)
- James Price
- Department of Emergency Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom; Department of Research, Audit, Innovation & Development, East Anglian Air Ambulance, Norwich, United Kingdom.
| | - Jordan Rudman
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts
| | - David Schoenfeld
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts
| | - Sarah Alice Thomas
- Department of Molecular Microbiology & Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
| | - Paul Rees
- Department of Research, Audit, Innovation & Development, East Anglian Air Ambulance, Norwich, United Kingdom; Blizard Institute for Neuroscience, Surgery, & Trauma, Barts & the London School of Medicine, London, United Kingdom; Department of Cardiology, St Bartholomew's Hospital and Barts Health NHS Trust, London, United Kingdom
| | - Ben Bloom
- Blizard Institute for Neuroscience, Surgery, & Trauma, Barts & the London School of Medicine, London, United Kingdom; Department of Emergency Medicine, The Royal London Hospital and Barts Health NHS Trust, London, United Kingdom
| | - Michael McCartin
- Section of Emergency Medicine, University of Chicago, Chicago, Illinois
| | - Ira Blumen
- Section of Emergency Medicine, University of Chicago, Chicago, Illinois
| | - Stephen H Thomas
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts; Blizard Institute for Neuroscience, Surgery, & Trauma, Barts & the London School of Medicine, London, United Kingdom
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Najafi H, Bahramali E, Bijan M, Dehghan A, Amirkhani M, Balaghi inaloo M. Comparison of the outcomes of EMS vs. Non-EMS transport of patients with ST-segment elevation myocardial infarction (STEMI) in Southern Iran: a population-based study. BMC Emerg Med 2022; 22:46. [PMID: 35331145 PMCID: PMC8944078 DOI: 10.1186/s12873-022-00603-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 03/08/2022] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND In the medical management of acute myocardial infarction, the transport of patients and primary care provided by emergency medical technicians (EMTs) and paramedics are effective in reducing the mortality and disabilities. Therefore, the present study aimed to compare the outcomes of emergency medical services (EMS) vs. non-EMS transport of patients with ST-segment elevation myocardial infarction (STEMI) in southern Iran. METHODS This is an analytical, cross-sectional study. The study population consisted of the individuals registered in Fasa Registry on Acute Myocardial Infarction (FaRMI) in the south of Iran. 2244 patients with STEMI were included in the study. Statistical analyses were performed using Chi-Square test and independent t-test at a significance level of P < 0.05 in SPSS 22. RESULTS Out of the 2244 patients with STEMI, 1552 (69.16%) were male and 672 patients (29.94%) were female. 934(41.62%) patients used EMS transport to the hospital, while 1310 (58.37%) patients used non-EMS transport to the hospital. A total of 169 patients with STEMI (7.26%) expired (out-of-hospital cardiac arrest); of them, 113 (66.86%) patients did not use EMS transport to the hospital. Successful cardiopulmonary resuscitation (CPR) was performed on 52 patients who used EMS transport. 27 patients also received an effective DC shock due to ventricular fibrillation (VF). Of the total number of patients, 49 had a stroke; among them, 37(75.51%) patients did not use EMS transport. CONCLUSION In the present study, the death rate in patients with acute myocardial infarction who used EMS transport was lower than those who used non-EMS transport. The health system managers and policymakers in the healthcare systems are recommended to take the necessary measures to increase public health awareness and knowledge about the use of EMS and consequently reduce the death rate and complications of acute myocardial infarction.
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Affiliation(s)
- Hjatolah Najafi
- Department of Health in Disasters and Emergencies, School of Management and Medical Information, Health Human Resources Research Center, University of Medical Sciences, ShirazShiraz, Iran
| | - Ehsan Bahramali
- Noncommunicable Diseases Research Center (NCDRC), Fasa University of Medical Sciences, Fasa, Iran
| | - Mostafa Bijan
- Department of Medical Surgical Nursing, Fasa University of Medical Sciences, 81936-13119 Fasa, Iran
| | - Azizallah Dehghan
- Noncommunicable Diseases Research Center (NCDRC), Fasa University of Medical Sciences, Fasa, Iran
| | - Mehdi Amirkhani
- Department of Health in Disasters and Emergencies, School of Management and Medical Information, Health Human Resources Research Center, University of Medical Sciences, ShirazShiraz, Iran
| | - Maryam Balaghi inaloo
- Noncommunicable Diseases Research Center (NCDRC), Fasa University of Medical Sciences, Fasa, Iran
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Fan ZY, Yang Y, Yin RY, Tang L, Zhang F. Effect of Health Literacy on Decision Delay in Patients With Acute Myocardial Infarction. Front Cardiovasc Med 2021; 8:754321. [PMID: 34917660 PMCID: PMC8669267 DOI: 10.3389/fcvm.2021.754321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/04/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Health literacy (HL) is a risk factor for adverse outcomes in patients with cardiovascular disease, and shorter pre-hospital delay time is crucial for successful treatment of acute myocardial infraction (AMI) patients. Most previous studies focused on the influencing factors of pre-hospital delay but ignore the essential contribution of decision delay. Aims: Therefore, the purpose of this study was to explore the effect of HL on decision delay. Methods: Continuously included AMI patients admitted to a grade A class three hospital in Chongqing. HL level was assessed using Brief Health Literacy Screen and categorized as adequate or inadequate. Mann-Whitney U-test and Chi-square test were used to compare the differences between groups, and binary logistic regression was used to analyze the association between HL and decision delay. Results: A total of 217 AMI patients were enrolled in this study, including 166 males (76.5%) and 51 females (23.5%), with the median age was 68 years old; 135 (62.2%) patients had delayed decision-making while 82 (37.8%) did not; 157 (72.7%) patients had inadequate HL and 59 (27.3%) had adequate HL. The total HL score of non-delayed group was higher than that in delayed group (9.22 vs. 7.02, P < 0.000). Conclusion: After adjusting for covariates, HL was significantly negatively associated with decision time. AMI patients with inadequate HL were more likely to delay seeking timely medical care.
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Affiliation(s)
- Zhao-Ya Fan
- Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Yuan Yang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ruo-Yun Yin
- Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Lei Tang
- Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Fan Zhang
- Research Center for Medicine and Social Development, Collaborative Innovation Center of Social Risks Governance in Health, School of Public Health and Management, Chongqing Medical University, Chongqing, China
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Lyng JW, Braithwaite S, Abraham H, Brent CM, Meurer DA, Torres A, Bui PV, Floccare DJ, Hogan AN, Fairless J, Larrimore A. Appropriate Air Medical Services Utilization and Recommendations for Integration of Air Medical Services Resources into the EMS System of Care: A Joint Position Statement and Resource Document of NAEMSP, ACEP, and AMPA. PREHOSP EMERG CARE 2021; 25:854-873. [PMID: 34388053 DOI: 10.1080/10903127.2021.1967534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Air medical services involves providing medical care in transit while using either fixed wing (airplane) or rotor wing (helicopter) aircraft to move patients between locations. The modern use and availability of air medical services has expanded access to various health system resources, including specialty care. While this is generally beneficial, such expansion has also contributed to the complexity of health care delivery systems.(1, 2) Since the publication of the 2013 joint position statement Appropriate and Safe Utilization of Helicopter Emergency Medical Services,(3) research has shown that patient benefit is gained from the clinical care capabilities of air medical services independent of potential time saved when transporting patients.(4-6) Because the evidence basis for utilization of air medical services continues to evolve, NAEMSP, ACEP, and AMPA believe that an update regarding the appropriate utilization of air medical services is warranted, and that such guidance for utilization can be divided into three major categories: clinical considerations, safety considerations, and system integration and quality assurance considerations.
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Affiliation(s)
- John W Lyng
- University of Minnesota School of Medicine, Department of Emergency Medicine (NAEMSP)
| | - Sabina Braithwaite
- Washington University in Saint Louis School of Medicine, Department of Emergency Medicine (NAEMSP)
| | | | - Christine M Brent
- University of Michigan, Department of Emergency Medicine (NAEMSP, AMPA)
| | - David A Meurer
- University of Florida College of Medicine, Department of Emergency Medicine (NAEMSP)
| | - Alexander Torres
- Cleveland Clinic Florida, Department of Emergency Medicine (NAEMSP)
| | - Peter V Bui
- Augusta University, Department of Emergency Medicine (NAEMSP)
| | - Douglas J Floccare
- Maryland Institute for EMS Systems (MIEMSS), Maryland State Police Aviation Command, University of Maryland, Department of Emergency Medicine (AMPA)
| | - Andrew N Hogan
- UT Southwestern Medical Center, Department of Emergency Medicine (AMPA)
| | - Justin Fairless
- Texas Christian University and University of North Texas Health Science Center School of Medicine, Department of Emergency Medicine (ACEP)
| | - Ashley Larrimore
- The Ohio State University, Department of Emergency Medicine (NAEMSP)
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