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Myocardial infarction utilization

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https://www.readbyqxmd.com/read/28641023/cardiovascular-event-incidence-and-cost-in-type-2-diabetes-mellitus-a-medicare-claims-based-actuarial-analysis
#1
Kathryn Fitch, Tyler Engel, Stephen Sander, Effie Kuti, Helen Blumen
OBJECTIVE: Assess the economic burden of cardiovascular events in Medicare beneficiaries with type 2 diabetes mellitus (T2DM). METHODS: This claims-based actuarial analysis queried 2013 and 2014 Medicare 5% Samples, defining a denominator of fee-for-service beneficiaries. Average per patient per month allowed cost ($PPPM) was calculated for T2DM, demographically adjusted non-T2DM, and denominator. Per member per month allowed cost ($PMPM) was calculated by dividing total population cost by member months in the denominator...
June 22, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28635339/methods-for-estimating-costs-in-patients-with-hyperlipidemia-experiencing-their-first-cardiovascular-event-in-the-united-kingdom
#2
Mark D Danese, Michelle Gleeson, Robert I Griffiths, David Catterick, Lucie Kutikova
AIMS: Methods for integrating external costs into clinical databases are not well-characterized. The purpose of this research was to describe and implement methods for estimating the cost of hospitalizations, prescriptions, and general practitioner and specialist visits used to manage hyperlipidemia patients experiencing cardiovascular (CV) events in the United Kingdom (UK). METHODS: This study was a retrospective cohort study using the Clinical Practice Research Datalink and Hospital Episode Statistics data...
June 21, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28634219/early-use-of-n-acetylcysteine-nac-with-nitrate-therapy-in-patients-undergoing-primary-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction-reduces-myocardial-infarct-size-the-naciam-trial
#3
Sivabaskari Pasupathy, Rosanna Tavella, Suchi Grover, Betty Raman, Nathan E K Procter, Yang T Du, Gnanadevan Mahadavan, Irene Stafford, Tamila Heresztyn, Andrew Holmes, Christopher Zeitz, Margaret Arstall, Joseph B Selvanayagam, John D Horowitz, John F Beltrame
Background -Contemporary ST-elevation myocardial infarction (STEMI) management involves primary percutaneous coronary intervention (PCI) with on-going studies focusing on infarct size reduction utilizing ancillary therapies. N-acetylcysteine (NAC) is an antioxidant with reactive oxygen species scavenging properties that also potentiates the effects of nitroglycerin (NTG) and thus represents a potentially beneficial ancillary therapy in primary PCI. The NACIAM (NACIn Acute Myocardial infarction) trial examined the effects of NAC on infarct size in STEMI patients undergoing PCI...
June 20, 2017: Circulation
https://www.readbyqxmd.com/read/28625371/cardiovascular-events-and-hospital-resource-utilization-pre-and-post-transcatheter-mitral-valve-repair-in-high-surgical-risk-patients
#4
Sreekanth Vemulapalli, Steven J Lippmann, Mitchell Krucoff, Adrian F Hernandez, Lesley H Curtis, Elyse Foster, Atif Qasim, Andrew Wang, Donald D Glower, Ted Feldman, Bradley G Hammill
MitraClip is an approved therapy for mitral regurgitation (MR); however, health care resource utilization pre- and post-MitraClip remains understudied. METHODS: Patients with functional and degenerative MR at high surgical risk in the EVEREST II High-Risk Registry and REALISM Continued-Access Study were linked to Medicare data. Pre- and post-MitraClip all-cause death, stroke, myocardial infarction, heart failure (HF), and bleeding hospitalizations were identified. Inpatient costs, adjusted to 2010 US dollars, were calculated, and event rate ratios and cost ratios were estimated with multivariable modeling...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28621328/live-cell-screening-platform-identifies-ppar%C3%AE-as-a-regulator-of-cardiomyocyte-proliferation-and-cardiac-repair
#5
Ajit Magadum, Yishu Ding, Lan He, Teayoun Kim, Mohankrishna Dalvoy Vasudevarao, Qinqiang Long, Kevin Yang, Nadeera Wickramasinghe, Harsha V Renikunta, Nicole Dubois, Gilbert Weidinger, Qinglin Yang, Felix B Engel
Zebrafish can efficiently regenerate their heart through cardiomyocyte proliferation. In contrast, mammalian cardiomyocytes stop proliferating shortly after birth, limiting the regenerative capacity of the postnatal mammalian heart. Therefore, if the endogenous potential of postnatal cardiomyocyte proliferation could be enhanced, it could offer a promising future therapy for heart failure patients. Here, we set out to systematically identify small molecules triggering postnatal cardiomyocyte proliferation. By screening chemical compound libraries utilizing a Fucci-based system for assessing cell cycle stages, we identified carbacyclin as an inducer of postnatal cardiomyocyte proliferation...
June 16, 2017: Cell Research
https://www.readbyqxmd.com/read/28608310/platelet-inhibition-after-loading-dose-of-prasugrel-in-patients-with-st-elevation-and-non-st-elevation-acute-coronary-syndrome
#6
Shinichi Wakabayashi, Hideki Kitahara, Takeshi Nishi, Kazumasa Sugimoto, Takashi Nakayama, Yoshihide Fujimoto, Noritaka Ariyoshi, Yoshio Kobayashi
The PRASFIT-ACS study showed the antiplatelet effect 2-4 h after prasugrel loading. However, there is little information about the antiplatelet effect <2 h after prasugrel loading dose, especially in patients with acute coronary syndrome (ACS). There had not been any comparison between ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation ACS (NSTE-ACS). Fifty patients with ACS (15 with STEMI and 35 with NSTE-ACS) were enrolled. They received a 20-mg prasugrel loading dose followed by a maintenance dose of 3...
June 12, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28606887/comparison-of-the-prognostic-value-of-non-ischemic-fractional-flow-reserve-using-intracoronary-versus-intravenous-adenosine
#7
Naga Venkata Pothineni, Mohan M Edupuganti, Ahmed Almomani, Jason Payne, Sameer Raina, Shailesh Fnu, Amjad Abualsuod, Joseph Wong, Barry F Uretsky, Abdul Hakeem
AIMS: Intracoronary adenosine (ICA) yields similar fractional flow reserve (FFR) results as the "gold standard" of intravenous adenosine (IVA). Whether they have similar prognostic significance is unknown. METHODS AND RESULTS: 576 patients with 787 lesions in whom PCI was deferred based on FFR >0.75 were studied. Primary outcome was the first major adverse cardiovascular event [MACE defined as death, myocardial infarction (MI), or target vessel revascularization (TVR)] and secondary outcome was a composite of MI and target vessel failure (TVF)...
June 13, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28600129/angiogenic-peptide-nanofibers-repair-cardiac-tissue-defect-after-myocardial-infarction
#8
Abdul Jalil Rufaihah, I Ceren Yasa, Vaibavi Srirangam Ramanujam, Suganya Cheyyatraivendran Arularasu, Theo Kofidis, Mustafa O Guler, Ayse B Tekinay
Myocardial infarction remains one of the top leading causes of death in the world and the damage sustained in the heart eventually develops into heart failure. Limited conventional treatment options due to the inability of the myocardium to regenerate after injury and shortage of organ donors require the development of alternative therapies to repair the damaged myocardium. Current efforts in repairing damage after myocardial infarction concentrates on using biologically derived molecules such as growth factors or stem cells, which carry risks of serious side effects including the formation of teratomas...
June 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28572740/an-integrated-epidemiological-and-neural-net-model-of-the-warfarin-effect-in-managed-care-patients
#9
David M Jacobs, Filip Stefanovic, Greg Wilton, Andres Gomez-Caminero, Jerome J Schentag
INTRODUCTION: Risk assessment tools are utilized to estimate the risk for stroke and need of anticoagulation therapy for patients with atrial fibrillation (AF). These risk stratification scores are limited by the information inputted into them and a reliance on time-independent variables. The objective of this study was to develop a time-dependent neural net model to identify AF populations at high risk of poor clinical outcomes and evaluate the discriminatory ability of the model in a managed care population...
2017: Clinical Pharmacology: Advances and Applications
https://www.readbyqxmd.com/read/28560866/a-stretchable-piezoelectric-substrate-providing-pulsatile-mechanoelectric-cues-for-cardiomyogenic-differentiation-of-mesenchymal-stem-cells
#10
Jeong-Kee Yoon, Tae Il Lee, Suk Ho Bhang, Jung-Youn Shin, Jae-Min Myoung, Byung-Soo Kim
Ex vivo induction of cardiomyogenic differentiation of mesenchymal stem cells (MSCs) prior to implantation would potentiate therapeutic efficacy of stem cell therapies for ischemic heart diseases, since MSCs rarely undergo cardiomyogenic differentiation following implantation. In cardiac microenvironments, electric pulse and cyclic mechanical strain are sequentially produced. However, no study has applied the pulsatile mechanoelectric cues (PMEC) to stimulate cardiomyogenic differentiation of MSCs ex vivo. In this study, we developed a stretchable piezoelectric substrate (SPS) that can provide PMEC to human MSCs (hMSCs) for cardiomyogenic differentiation ex vivo...
May 31, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28559388/stress-testing-after-percutaneous-coronary-interventions-a-population-based-study
#11
Simina R Luca, Maria Koh, Feng Qiu, David A Alter, Akshay Bagai, R Sacha Bhatia, Andrew Czarnecki, Shaun G Goodman, Ching Lau, Harindra C Wijeysundera, Dennis T Ko
BACKGROUND: Routine stress testing is commonly used after percutaneous coronary intervention (PCI) to detect in-stent restenosis or suboptimal procedure results; however, recent studies suggest that such testing is rarely indicated. Our main objectives were to assess temporal trends in utilization of stress testing and to determine factors associated with its use. METHODS: We conducted an observational study involving all patients who had undergone PCI in Ontario, Canada, from Apr...
May 26, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28555389/plaque-characteristics-and-inflammatory-markers-for-the-prediction-of-major-cardiovascular-events-in-patients-with-st-segment-elevation-myocardial-infarction
#12
Ae-Young Her, Kyoung Im Cho, Gillian Balbir Singh, Dae Seong An, Young-Hoon Jeong, Bon-Kwon Koo, Eun-Seok Shin
To investigate the clinical utility of culprit plaque characteristics and inflammatory markers for the prediction of future cardiovascular events in patients with ST-segment elevation myocardial infarction (STEMI) with successful drug-eluting stent (DES) implantation. We evaluated 172 STEMI patients with successful primary percutaneous coronary intervention (PCI) with DES using pre-PCI high-sensitivity C-reactive protein (hs-CRP), neutrophil-to-lymphocyte ratio (NLR) and pre-PCI intravascular ultrasound virtual histology (IVUS-VH) of culprit lesions...
May 29, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28554140/health-related-quality-of-life-implications-of-cardiovascular-events-in-individuals-with-type-2-diabetes-mellitus-a-subanalysis-from-the-saxagliptin-assessment-of-vascular-outcomes-recorded-in-patients-with-diabetes-mellitus-savor-timi-53-trial
#13
Andrew H Briggs, Deepak L Bhatt, Benjamin M Scirica, Itamar Raz, Karissa M Johnston, Shelagh M Szabo, Klas Bergenheim, Jayanti Mukherjee, Boaz Hirshberg, Ofri Mosenzon
BACKGROUND: The impact of cardiovascular complications on health-related quality-of-life (HRQoL) in type 2 diabetes mellitus has not been clearly established. Using EQ5D utility data from SAVOR-TIMI 53, a large phase IV trial of saxagliptin versus placebo, we quantified the impact of cardiovascular and other major events on HRQoL. METHODS: EQ5D utilities were recorded annually and following myocardial infarction (MI) or stroke. Utilities among patients experiencing major cardiovascular events were analyzed using linear mixed-effects regression, adjusting for baseline characteristics (including EQ5D utility), and compared to those not experiencing major cardiovascular events...
January 23, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28553755/cardiac-rehabilitation-in-patients-with-st-segment-elevation-myocardial-infarction-can-its-failure-be-predicted
#14
Robert Irzmański, Joanna Kapusta, Agnieszka Obrębska-Stefaniak, Beata Urzędowicz, Jan Kowalski
BACKGROUND: The prognosis in patients after acute coronary syndromes (ACS) is significantly burdened by coexisting anaemia, leukocytosis and low glomerular filtration rate (GFR). Hyperglycaemia in the early stages of ACS is a strong predictor of death and heart failure in non-diabetic subjects. This study aimed to evaluate the effect of hyperglycaemia, anaemia, leukocytosis, thrombocytopaenia and decreased GFR on the risk of the failure of cardiac rehabilitation (phase II at the hospital) in post-ST-segment elevation myocardial infarction (STEMI) patients...
May 1, 2017: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/28551635/enhanced-susceptibility-to-5-fluorouracil-in-human-colon-cancer-cells-by-silencing-of-grp78
#15
Seungpil Yun, Yong-Seok Han, Jun Hee Lee, Sangmin Kim, Sang Hun Lee
BACKGROUND: Glucose-regulated protein (GRP78), also known as immunoglobulin heavy chain binding protein and as heat shock 70 kDa protein 5, is present in the endoplasmic reticulum (ER) membrane. GRP78 is generally expressed at low concentrations, but is increased by physiological stress. GRP78 is thought to protect against tissue or organ damage under pathological conditions, such as neurotoxic stress, myocardial infarction, or arteriosclerosis. In addition, in tumors, GRP78 expression is much higher than in normal tissues...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28549781/nucleostemin-dysregulation-contributes-to-ischemic-vulnerability-of-diabetic-hearts-role-of-ribosomal-biogenesis
#16
Shihao Zhao, Yunlong Xia, Fuyang Zhang, Zhenyu Xiong, Yueyang Li, Wenjun Yan, Xiyao Chen, Wei Wang, Helin Wang, Erhe Gao, Yan Lee, Congye Li, Shan Wang, Ling Zhang, Ling Tao
Diabetes is a major health problem worldwide. As well-known, diabetes greatly increases cardiac vulnerability to ischemia/reperfusion (I/R) injury, but the underlying mechanisms remain elusive. Nucleostemin (NS) is a nucleolar protein that controls ribosomal biogenesis and exerts cardioprotective effects against I/R injury. However, whether NS-mediated ribosomal biogenesis regulates ischemic vulnerability of diabetic hearts remains unanswered. Utilizing myocardial I/R mouse models, we found that cardiac NS expression significantly increased in response to I/R in normal diet (ND)-fed mice...
May 23, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28540983/routine-angiographic-follow-up-versus-clinical-follow-up-after-percutaneous-coronary-intervention-in-acute-myocardial-infarction
#17
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
#18
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
#19
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
#20
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
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