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Myocardial infarction utilization

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https://www.readbyqxmd.com/read/28540983/routine-angiographic-follow-up-versus-clinical-follow-up-after-percutaneous-coronary-intervention-in-acute-myocardial-infarction
#1
Yong Hoon Kim, Ae Young Her, Seung Woon Rha, Byoung Geol Choi, Minsuk Shim, Se Yeon Choi, Jae Kyeong Byun, Hu Li, Woohyeun Kim, Jun Hyuk Kang, Jah Yeon Choi, Eun Jin Park, Sung Hun Park, Sunki Lee, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh
PURPOSE: Differences in the utility of routine angiographic follow-up (RAF) and clinical follow-up (CF) after percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) are not well understood. The present study aimed to compare the 3-year clinical outcomes of RAF and CF in AMI patients who underwent PCI with drug-eluting stents (DES). MATERIALS AND METHODS: A total of 774 consecutive AMI patients who underwent PCI with DES were enrolled. RAF was performed at 6 to 9 months after index PCI (n=425)...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28538984/accuracy-of-medical-claims-for-identifying-cardiovascular-and-bleeding-events-after-myocardial-infarction-a-secondary-analysis-of-the-translate-acs-study
#2
Patricia O Guimarães, Arun Krishnamoorthy, Lisa A Kaltenbach, Kevin J Anstrom, Mark B Effron, Daniel B Mark, Patrick L McCollam, Linda Davidson-Ray, Eric D Peterson, Tracy Y Wang
Importance: Pragmatic clinical trial designs have proposed the use of medical claims data to ascertain clinical events; however, the accuracy of billed diagnoses in identifying potential events is unclear. Objectives: To compare the 1-year cumulative incidences of events when events were identified by medical claims vs by physician adjudication and to assess the accuracy of bill-identified events using physician adjudication as the criterion standard. Design, Setting, and Participants: This post hoc analysis of a clinical trial assessed the medical claims forms and records for all rehospitalizations at 233 US hospitals within 1 year of the index acute myocardial infarction (MI) of 12 365 patients enrolled in the Treatment With Adenosine Diphosphate Receptor Inhibitors: Longitudinal Assessment of Treatment Patterns and Events After Acute Coronary Syndrome (TRANSLATE-ACS) study between April 1, 2010, and October 31, 2012...
May 24, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28534297/single-frequency-impedance-analysis-on-reduced-graphene-oxide-screen-printed-electrode-for-biomolecular-detection
#3
Rajesh, Shobhita Singal, Ravinder K Kotnala
A biofunctionalized reduced graphene oxide (rGO)-modified screen-printed carbon electrode (SPCE) was constructed as an immunosensor for C-reactive protein (CRP) detection, a biomarker released in early stage acute myocardial infarction. A different approach of single frequency analysis (SFA) study was utilized for the biomolecular sensing, by monitoring the response in phase angle changes obtained at an optimized frequency resulting from antigen-antibody interactions. A set of measurements were carried out to optimize a frequency where a maximum change in phase angle was observed, and in this case, we found it at around 10 Hz...
May 22, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28528146/prognostic-value-of-coronary-ct-angiography-with-selective-pet-perfusion-imaging-in-coronary-artery-disease
#4
Teemu Maaniitty, Iida Stenström, Jeroen J Bax, Valtteri Uusitalo, Heikki Ukkonen, Sami Kajander, Maija Mäki, Antti Saraste, Juhani Knuuti
OBJECTIVES: The purpose of this study was to evaluate the prognostic value of sequential hybrid imaging strategy in which positron emission tomography (PET) perfusion imaging is performed selectively in patients with suspected obstructive coronary artery disease (CAD) on coronary computed tomography angiography (CTA). BACKGROUND: Coronary CTA is an accurate diagnostic test for excluding obstructive CAD. However, the positive predictive value is suboptimal. METHODS: We investigated 864 consecutive symptomatic patients with intermediate probability of CAD who adhered to the sequential imaging approach...
May 15, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28525886/relationship-between-arterial-access-and-outcomes-in-st-elevation-myocardial-infarction-with-a-pharmacoinvasive-versus-primary-percutaneous-coronary-intervention-strategy-insights-from-the-strategic-reperfusion-early-after-myocardial-infarction-stream-study
#5
Jay Shavadia, Robert Welsh, Anthony Gershlick, Yinggan Zheng, Kurt Huber, Sigrun Halvorsen, Phillipe G Steg, Frans Van de Werf, Paul W Armstrong
BACKGROUND: The effectiveness of radial access (RA) in ST-elevation myocardial infarction (STEMI) has been predominantly established in primary percutaneous coronary intervention (pPCI) with limited exploration of this issue in the early postfibrinolytic patient. The purpose of this study was to compare the effectiveness and safety of RA versus femoral (FA) access in STEMI undergoing either a pharmacoinvasive (PI) strategy or pPCI. METHODS AND RESULTS: Within STrategic Reperfusion Early After Myocardial Infarction (STREAM), we evaluated the relationship between arterial access site and primary outcome (30-day composite of death, shock, congestive heart failure, or reinfarction) and major bleeding according to the treatment strategy received...
June 13, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#6
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28509704/effectiveness-of-2-hour-troponin-in-high-risk-patients-with-suspected-acute-coronary-syndrome
#7
Joseph Bove, Steven Hochman, Jacob Miller, Stephen Artim
BACKGROUND: Research has shown the safety and effectiveness of drawing a standard troponin level at presentation and again at 2 hours in only low-risk patients. Because high-sensitivity troponins are not currently approved in the United States, we studied the utility of a standard troponin that is presently in use. Our goal was to determine if 2-hour standard troponin would be safe and effective in the evaluation of a high-risk cohort of patients never studied previously. METHODS: We conducted a single-center prospective observational study of adult patients presenting to the emergency department with signs and symptoms suggestive of acute coronary syndrome...
June 2017: Critical Pathways in Cardiology
https://www.readbyqxmd.com/read/28507573/admission-d-dimer-testing-for-differentiating-acute-aortic-dissection-from-other-causes-of-acute-chest-pain
#8
Wenlong Li, Bi Huang, Li Tian, Yanmin Yang, Weili Zhang, Xiaojian Wang, Jingzhou Chen, Kai Sun, Rutai Hui, Xiaohan Fan
INTRODUCTION: The present study aims to evaluate the utility of D-dimer testing for differentiating the causes of acute chest pain, including acute aortic dissection (AAD), pulmonary embolism (PE), acute myocardial infarction (AMI), unstable angina (UA), and other uncertain diagnoses of chest pain. MATERIAL AND METHODS: Consecutive patients admitted for acute chest pain within 24 h from symptom onset were enrolled prospectively, and plasma D-dimer levels were measured on admission...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28501350/first-in-man-prolonged-pressure-controlled-intermittent-coronary-sinus-occlusion-to-treat-refractory-left-ventricular-dysfunction-and-ischemia-with-patent-epicardial-coronary-arteries
#9
Federico Pappalardo, Marco B Ancona, Francesco Giannini, Damiano Regazzoli, Antonio Mangieri, Matteo Montorfano, Michele De Bonis, Ottavio Alfieri, Alberto Zangrillo, Anna Mara Scandroglio, Antonio Colombo, Azeem Latib
AIMS: Pressure-controlled Intermittent Coronary Sinus Occlusion (PICSO) intermittently increases the pressure in the cardiac venous outflow tract using a balloon-tipped catheter introduced percutaneously into the coronary sinus. It aims to improve microvascular perfusion in STEMI patients during PCI, thus improving infarct healing. Its successful administration was associated with an improvement in myocardial recovery four months after primary-PCI as compared to control. However, it has never been used in other settings or for a prolonged period...
May 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28496030/underuse-of-cardiac-rehabilitation-in-workers-with-coronary-artery-disease%C3%A3-claims-database-survey-in-japan
#10
Natsuko Kanazawa, Kenji Ueshima, Shinjiro Tominari, Takeo Nakayama
BACKGROUND: Workers with coronary artery disease (CAD) require evidence-based care in order to return to work safely. We assessed the use of cardiac rehabilitation (CR) among workers with CAD, and identified the factors associated with CR use.Methods and Results:A retrospective cohort study based on data from a health insurance claims database was conducted. We identified workers aged ≥18 years who underwent percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) between 2006 and 2013, and reviewed the utilization of inpatient or outpatient CR...
May 11, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28487036/usefulness-of-plasma-tissue-inhibitor-of-matrix-metalloproteinase-4-to-predict-death-and-myocardial-infarction-in-patients-with-diabetes-mellitus-referred-for-coronary-angiography
#11
Erdal Cavusoglu, John T Kassotis, Jonathan D Marmur, Mary Ann Banerji, Sunitha Yanamadala, Vineet Chopra, Ayesha Anwar, Calvin Eng
TIMP-4 is the newest member of a family of secreted proteins known as the tissue inhibitors of metalloproteases that selectively inhibit matrix metalloproteases. TIMP-4 is abundantly expressed in human cardiovascular structures and has been implicated in cardiovascular disease. Furthermore, it has also been shown to be a novel target of peroxisome proliferator-activated receptor gamma in rat smooth muscle cells, suggesting a potential role in diabetes mellitus as well. However, there have been no studies that have specifically examined the utility of baseline plasma TIMP-4 levels for the prediction of long-term adverse cardiovascular outcomes...
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28486870/long-term-cardiac-morbidity-and-mortality-in-patients-with-aortic-valve-disease-following-liver-transplantation-a-case-matching-study
#12
Ramona Nicolau-Raducu, Thomas Marshall, Hamang Patel, Kelly Ural, Joseph Koveleskie, Susan Smith, Donald Ganier, Bryan Evans, Brian Fish, William Daly, Ari J Cohen, George Loss, Amjad Bokhari, Bobby Nossaman
INTRODUCTION: This retrospective study examined the role of aortic valve (AV) disease in patients who underwent orthotopic liver transplantation (OLT) to determine the incidence of postoperative cardiac morbidity and mortality when compared with a matched control group without AV disease. METHODS: Patients were included in the AV group if diagnosed with aortic stenosis (AS) or aortic regurgitation or had received AV replacement prior to OLT. The AV group (n = 53) was matched to a control group (n = 212) with the following preoperative variables: type of organ transplanted, age, gender, race, body mass index, MELD, redo-transplantation, preoperative renal replacement therapy, nonalcoholic steatohepatitis, viral hepatitis, diabetes, and coronary artery disease...
May 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28476433/intelligent-use-of-advanced-capabilities-of-diagnostic-ecg-algorithms-in-a-monitoring-environment
#13
Reza Firoozabadi, Richard E Gregg, Saeed Babaeizadeh
A large number of ST-elevation notifications are generated by cardiac monitoring systems, but only a fraction of them is related to the critical condition known as ST-segment elevation myocardial infarction (STEMI) in which the blockage of coronary artery causes ST-segment elevation. Confounders such as acute pericarditis and benign early repolarization create electrocardiographic patterns mimicking STEMI but usually do not benefit from a real-time notification. A STEMI screening algorithm able to recognize those confounders utilizing capabilities of diagnostic ECG algorithms in variation analysis of ST segments helps to avoid triggering a non-actionable ST-elevation notification...
April 25, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28473402/post-myocardial-infarction-t-tubules-form-enlarged-branched-structures-with-dysregulation-of-junctophilin-2-and-bridging-integrator-1-bin-1
#14
Christian Pinali, Nadim Malik, J Bernard Davenport, Laurence J Allan, Lucy Murfitt, Mohammad M Iqbal, Mark R Boyett, Elizabeth J Wright, Rachel Walker, Yu Zhang, Halina Dobryznski, Cathy M Holt, Ashraf Kitmitto
BACKGROUND: Heart failure is a common secondary complication following a myocardial infarction (MI), characterized by impaired cardiac contraction and t-tubule (t-t) loss. However, post-MI nano-scale morphological changes to the remaining t-ts are poorly understood. METHOD AND RESULTS: We utilized a porcine model of MI, using a nonlethal microembolization method to generate controlled microinfarcts. Using serial block face scanning electron microscopy, we report that post-MI, after mild left-ventricular dysfunction has developed, t-ts are not only lost in the peri-infarct region, but also the remnant t-ts form enlarged, highly branched disordered structures, containing a dense intricate inner membrane...
May 4, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28473118/extended-duration-dual-antiplatelet-therapy-after-coronary-stenting-among-patients-with-peripheral-arterial-disease-a-subanalysis-of-the-dual-antiplatelet-therapy-study
#15
Eric A Secemsky, Robert W Yeh, Dean J Kereiakes, Donald E Cutlip, P Gabriel Steg, Joseph M Massaro, Patricia K Apruzzese, Laura Mauri
OBJECTIVES: This study sought to determine whether patients with peripheral arterial disease (PAD) experience different reductions in ischemic event and increases in bleeding events with extended duration dual antiplatelet therapy versus those without PAD. BACKGROUND: Patients with PAD have increased ischemic and bleeding risks after coronary stenting. METHODS: The DAPT (Dual Antiplatelet Therapy) study randomized 11,648 patients free from ischemic and bleeding events 12 months after coronary stenting to continued thienopyridine plus aspirin therapy for an additional 18 months versus aspirin therapy alone...
May 8, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28460689/a-new-4-variable-formula-to-differentiate-normal-variant-st-segment-elevation-in-v2-v4-early-repolarization-from-subtle-left-anterior-descending-coronary-occlusion-adding-qrs-amplitude-of-v2-improves-the-model
#16
Brian E Driver, Ayesha Khalil, Timothy Henry, Faraz Kazmi, Amina Adil, Stephen W Smith
INTRODUCTION: Precordial normal variant ST elevation (NV-STE), previously often called "early repolarization," may be difficult to differentiate from subtle ischemic STE due to left anterior descending (LAD) occlusion. We previously derived and validated a logistic regression formula that was far superior to STE alone for differentiating the two entities on the ECG. The tool uses R-wave amplitude in lead V4 (RAV4), ST elevation at 60 ms after the J-point in lead V3 (STE60V3) and the computerized Bazett-corrected QT interval (QTc-B)...
April 19, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28459901/overuse-of-troponin-a-comprehensive-evaluation-of-testing-in-a-large-hospital-system
#17
Gibbs Wilson, Kyler Barkley, Kipp Slicker, Robert Kowal, Brandon Pope, Jeffrey Michel
Troponin assays are integral to the diagnosis of acute myocardial infarction (AMI), but there is concern that testing is over utilized and may not conform to published guidelines. We reviewed all testing performed at 14 hospitals over 12 months and associated troponin values with the primary and secondary diagnoses for each visit. Troponin was determined to be negative, indeterminate or elevated based on reference ranges. The majority of troponin measurements were single, not serial (64%). The rate of AMI was low, with only 3...
May 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28456594/the-association-of-eight-potentially-functional-polymorphisms-in-five-adrenergic-receptor-encoding-genes-with-myocardial-infarction-risk-in-han-chinese
#18
Kun Xia, Rongjing Ding, Zhiyong Zhang, Weiming Li, Xiaoming Shang, Xinchun Yang, Lefeng Wang, Qi Zhang
Adrenergic receptors play a key role in activating the sympathetic nervous system, which often accompanies with the development of myocardial infarction (MI). Here, we aimed to test the association of eight potentially functional polymorphisms in five adrenergic receptor-encoding genes with MI risk. Genotypes were available for 717 MI patients and 612 controls. There were no detectable deviations from the Hardy-Weinberg equilibrium for all study polymorphisms. Allele frequencies differed remarkably for ADRA2B D/I (P<0...
April 26, 2017: Gene
https://www.readbyqxmd.com/read/28454837/balancing-the-risk-of-spontaneous-ischemic-and-major-bleeding-events-in-acute-coronary-syndromes
#19
Gregory Ducrocq, Phillip J Schulte, Andrzej Budaj, Jan H Cornel, Claes Held, Anders Himmelmann, Steen Husted, Robert F Storey, Christopher P Cannon, Richard C Becker, Stefan K James, Hugo A Katus, Renato D Lopes, Emmanuel Sorbets, Lars Wallentin, Philippe Gabriel Steg
Evaluation of antithrombotic treatments for acute coronary syndromes (ACS) requires balancing ischemic and bleeding risks to assess net benefit. We sought to compare the relative effects of ischemic and bleeding events on mortality. METHODS: In the PLATelet inhibition and patient Outcomes (PLATO) trial, we compared spontaneous ischemic events (myocardial infarction or stroke) with spontaneous major bleeding events (PLATO major, Thrombolysis In Myocardial Infarction [TIMI] major, Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries [GUSTO] severe) with respect to risk of mortality using time-dependent Cox proportional hazards models...
April 2017: American Heart Journal
https://www.readbyqxmd.com/read/28454825/incomplete-revascularization-for-percutaneous-coronary-interventions-variation-among-operators-and-association-with-operator-and-hospital-characteristics
#20
Edward L Hannan, Ye Zhong, Alice K Jacobs, Frederick S K Ling, Peter B Berger, Gary Walford, Ferdinand J Venditti, Spencer B King
BACKGROUND: Many studies have compared outcomes for incomplete revascularization (IR) among patients undergoing percutaneous coronary interventions (PCIs), but little is known about the correlates of IR, the extent to which complete revascularization (CR) was attempted unsuccessfully, and the variation across operators in the use of IR. METHODS: New York's PCI registry was used to examine medium-term mortality for IR, the variables associated with the use of IR, and the variation across operators in the utilization of IR after controlling for patient factors...
April 2017: American Heart Journal
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