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Myocardial infarction in hypothyroidism

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https://www.readbyqxmd.com/read/29607786/association-between-hypothyroidism-and-takotsubo-cardiomyopathy-analysis-of-nationwide-inpatient-sample-database
#1
Dominika Zoltowska, Yashwant Agrawal, Sandeep Patri, Sourabh Aggarwal, Chandra S Reddy, Nishtha Sareen, Jagadeesh Kalavakunta, Vishal Gupta
BACKGROUND: Takotsubo cardiomyopathy (TC), also called transient left ventricular (LV) ballooning syndrome, satirizes myocardial infarction and is characterized by LV dysfunction in the absence of coronary artery disease. Hypothesis described for TC has been an intense social stressor, pheochromocytoma, thyrotoxicosis among others. We performed this study to analyze the association of hypothyroidism with TC. METHODS: We queried the Nationwide Inpatient Sample which represents 20% of all the United States hospital data for our study...
April 2, 2018: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/29341525/-general-internal-medicine%C3%A2-2017-scientific-breakthroughs-in-ambulatory-care
#2
Alexandre Gouveia, Lionel De Alencastro, Yvonne Fierz, Lionel Koehli, Alexandre Béguelin, Olivier Pasche, Kevin Selby, Patrick Bodenmann
Bariatric surgery improves glycemic control in obese patients with diabetes type 2. Dual antiplatelet therapy can be maintained beyond 12 months after a myocardial infarction. Levothyroxine is not beneficial among patients ≥ 65 years that have subclinical hypothyroidism. Prophylactic anticoagulation in lower limb immobilisation should be reserved only for patients with a high risk of thromboembolism. A diagnosis of asthma should be initially confirmed by a spirometry if clinically suspected. A proton pump inhibitor is indicated for patients ≥ 65 years that are treated with aspirin...
January 17, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29306458/impact-of-subclinical-hypothyroidism-on-clinical-outcomes-following-percutaneous-coronary-intervention
#3
Yonggu Lee, Young-Hyo Lim, Jeong-Hun Shin, Jinkyu Park, Jinho Shin
BACKGROUND: Similar to overt hypothyroidism, subclinical hypothyroidism (SCH) has been reported to increase the risk of cardiovascular disease. However, the influence of SCH on clinical outcomes following percutaneous coronary intervention (PCI) remains unclear. METHODS: We performed a prospective cohort study. SCH was defined as a thyroid-stimulating hormone (TSH) level ≥4.5mIU/l and a normal level of free thyroxine (FT4). A composite event was defined as the combination of cardiac death, non-fatal myocardial infarction (MI) and repeat revascularization...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29304184/cardiac-ischemia-reperfusion-injury-is-inversely-affected-by-thyroid-hormones-excess-or-deficiency-in-male-wistar-rats
#4
Fernando A C Seara, Leonardo Maciel, Raiana A Q Barbosa, Nayana C Rodrigues, Anderson L B Silveira, Michelle P Marassi, Adriana B Carvalho, José Hamilton M Nascimento, Emerson L Olivares
AIM: Thyroid dysfunctions can increase the risk of myocardial ischemia and infarction. However, the repercussions on cardiac ischemia/reperfusion (IR) injury remain unclear so far. We report here the effects of hypothyroidism and thyrotoxicosis in the susceptibility to IR injury in isolated rat hearts compared to euthyroid condition and the potential role of antioxidant enzymes. METHODS: Hypothyroidism and thyrotoxicosis were induced by administration of methimazole (MMZ, 300 mg/L) and thyroxine (T4, 12 mg/L), respectively in drinking water for 35 days...
2018: PloS One
https://www.readbyqxmd.com/read/29276739/data-on-the-impact-of-subclinical-hypothyroidism-on-clinical-outcomes-following-percutaneous-coronary-intervention
#5
Yonggu Lee, Young-Hyo Lim, Jeong-Hun Shin, Jinkyu Park, Jinho Shin
This article contains the data showing the different influence of subclinical hypothyroidism (SCH) on the risk of cardiovascular events after percutaneous coronary intervention (PCI) in various subgroups regarding myocardial infarction, previous PCI, the stent generation, total stent length, the extent of coronary artery disease, diabetes mellitus, obesity, a lipid reduction level and a C-reactive protein level. This article also contains the data showing the association between SCH and the risk of receiving repeat PCI for in-stent restenosis or de novo coronary stenosis...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29238484/pattern-and-factors-associated-with-cardiovascular-diseases-among-patients-attending-the-cardiac-center-in-arar-city-northern-saudi-arabia
#6
Fatimah Fahad Altaleb, Othman Mashfi Alshammari, Hala Mohammed Alanazi, Dina Anwar Aljaber, Arwa Bader Alanazi, Nagah Mohamed Abo El-Fetoh, Nesreen Ali Mohammed, Hadil Anwar Aljaber
Background: Cardiovascular diseases (CVD) are among the main causes of premature death and hospital admission worldwide, constituting a great economic burden on health care systems. Additionally, thyroid diseases may exert a deleterious effect on the outcomes of CVD patients. Aim: This study was conducted to identify the pattern and factors associated with CVD distribution and the relation with thyroid dysfunction in the study population. Methods: This cross sectional study was conducted on 181 participants in the cardiac center in Arar, Kingdom of Saudi Arabia (KSA), from September 2016 to March 2017...
October 2017: Electronic Physician
https://www.readbyqxmd.com/read/29184434/manifestation-of-non-st-elevation-myocardial-infarction-due-to-hyperthyroidism-in-an-anomalous-right-coronary-artery
#7
Vicken Zeitjian, Carmel Moazez, Mehrdad Saririan, David L August, Ranjini Roy
Introduction: Anomalous origin of the right coronary artery (RCA) from the left coronary cusp of the aorta is a moderately rare but potentially life-threatening incident. Myocardial infarction (MI) and sudden cardiac death have been described with this anomaly, especially in those who engage in excessive exercise. However, this case study shows this incidence in association with hyperthyroidism. Case description: A previously healthy 51-year-old female with history of hypothyroidism presented with acute onset chest pain for 1 day...
2017: International Journal of General Medicine
https://www.readbyqxmd.com/read/28713431/an-unexpected-cause-of-bradycardia-in-a-patient-with-bacterial-meningitis
#8
Petros Ioannou, Magdalini Velegraki, Stella Soundoulounaki, Achilleas Gikas, Diamantis P Kofteridis
Sinus bradycardia which is a sinus rhythm with a resting heart rate of less than 60 bpm is caused by intrinsic cardiac disorders like sick sinus syndrome or inferior myocardial infarction, metabolic and environmental causes (such as hypothyroidism and electrolyte disorders), medications (such as beta-blockers and amiodarone), infection (such as myocarditis), increased intracranial pressure, and toxic exposure, while it can sometimes be a normal phenomenon, especially during sleep, in athletes, and during pregnancy...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28680116/predictive-value-of-chads2-and-cha2ds2-vasc-scores-for-acute-myocardial-infarction-in-patients-with-atrial-fibrillation
#9
Hui Pang, Bing Han, Qiang Fu, Zhenkun Zong
The presence of acute myocardial infarction (AMI) confers a poor prognosis in atrial fibrillation (AF), associated with increased mortality dramatically. This study aimed to evaluate the predictive value of CHADS2 and CHA2DS2-VASc scores for AMI in patients with AF. This retrospective study enrolled 5140 consecutive nonvalvular AF patients, 300 patients with AMI and 4840 patients without AMI. We identified the optimal cut-off values of the CHADS2 and CHA2DS2-VASc scores each based on receiver operating characteristic curves to predict the risk of AMI...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28605456/thyroid-function-cardiovascular-risk-factors-and-incident-atherosclerotic-cardiovascular-disease-the-atherosclerosis-risk-in-communities-aric-study
#10
COMPARATIVE STUDY
Seth S Martin, Natalie Daya, Pamela L Lutsey, Kunihiro Matsushita, Anna Fretz, John W McEvoy, Roger S Blumenthal, Josef Coresh, Philip Greenland, Anna Kottgen, Elizabeth Selvin
Context: Cardiovascular outcomes in mild thyroid dysfunction (treatment controversial) and moderate or severe dysfunction (treatment standard) remain uncertain. Objective: To examine cross-sectional and prospective associations of thyroid function with cardiovascular risk factors and events. Design: In the Atherosclerosis Risk in Communities Study, we measured concentrations of thyrotropin, free thyroxine, and total triiodothyronine (T3) in stored serum samples originally collected in 1990-1992...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28458899/takotsubo-cardiomyopathy-in-amiodarone-induced-hyperthyroidism
#11
Ismael Capel, Elisabet Tasa-Vinyals, Albert Cano-Palomares, Irene Bergés-Raso, Lara Albert, Mercedes Rigla, Assumpta Caixàs
SUMMARY: Takotsubo cardiomyopathy (TC) is an atypical, severe but reversible form of acute heart insufficiency. It typically presents with left ventricular failure, transient apical and mid-segments hypokinesis, absence of significant coronary stenosis and new electrographic abnormalities and/or elevation in serum cardiac enzymes. Although TC ('broken heart syndrome') has classically been associated with emotional trauma, evidence suggests that other precipitants might exist, including iatrogenic and thyroid-mediated forms...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28148249/what-is-the-association-of-hypothyroidism-with-risks-of-cardiovascular-events-and-mortality-a-meta-analysis-of-55-cohort-studies-involving-1-898-314-participants
#12
Yu Ning, Yun J Cheng, Li J Liu, Jaskanwal D S Sara, Zhi Y Cao, Wei P Zheng, Tian S Zhang, Hui J Han, Zhen Y Yang, Yi Zhang, Fei L Wang, Rui Y Pan, Jie L Huang, Ling L Wu, Ming Zhang, Yong X Wei
BACKGROUND: Whether hypothyroidism is an independent risk factor for cardiovascular events is still disputed. We aimed to assess the association between hypothyroidism and risks of cardiovascular events and mortality. METHODS: We searched PubMed and Embase from inception to 29 February 2016. Cohort studies were included with no restriction of hypothyroid states. Priori main outcomes were ischemic heart disease (IHD), cardiac mortality, cardiovascular mortality, and all-cause mortality...
February 2, 2017: BMC Medicine
https://www.readbyqxmd.com/read/27990115/urgent-coronary-artery-bypass-surgery-in-a-patient-with-postinfarction-angina-and-active-myelomonocytic-leukaemia
#13
Samuel Anthony Galea, Joseph Galea
Chronic myelomonocytic leukaemia (CMML) is a myelodysplastic/myeloproliferative neoplasm affecting the production and differentiation of the monocyte cell lineage. Cardiac surgery in the context of CMML poses challenges that are not routinely encountered. This is the first reported case in the literature of a patient with active CMML undergoing urgent on-pump coronary artery bypass grafting. A 68-year-old Caucasian man with a history of hypertension, hyperlipidaemia, hypothyroidism, and hypercholesterolaemia, who had been diagnosed by the haematologists with CMML a few months earlier but had remained untreated, underwent urgent surgical coronary revascularisation because of postinfarction angina following a non-ST elevation myocardial infarction associated with troponin I rise...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27811932/thyroid-hormones-and-cardiovascular-disease
#14
REVIEW
Avais Jabbar, Alessandro Pingitore, Simon H S Pearce, Azfar Zaman, Giorgio Iervasi, Salman Razvi
Myocardial and vascular endothelial tissues have receptors for thyroid hormones and are sensitive to changes in the concentrations of circulating thyroid hormones. The importance of thyroid hormones in maintaining cardiovascular homeostasis can be deduced from clinical and experimental data showing that even subtle changes in thyroid hormone concentrations - such as those observed in subclinical hypothyroidism or hyperthyroidism, and low triiodothyronine syndrome - adversely influence the cardiovascular system...
January 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27564784/patient-and-operative-factors-associated-with-complications-following-adolescent-idiopathic-scoliosis-surgery-an-analysis-of-36-335-patients-from-the-nationwide-inpatient-sample
#15
Rafael De la Garza Ramos, C Rory Goodwin, Nancy Abu-Bonsrah, Amit Jain, Emily K Miller, Nicole Huang, Khaled M Kebaish, Paul D Sponseller, Daniel M Sciubba
OBJECTIVE The aim of this study was to investigate the incidence of and factors associated with complications following idiopathic scoliosis surgery in adolescents. METHODS The Nationwide Inpatient Sample database was used to identify patients 10-18 years of age who had undergone spinal fusion for adolescent idiopathic scoliosis (AIS) from 2002 to 2011. Twenty-three unique in-hospital postoperative complications, including death, were examined. A series of logistic regressions was used to determine if any demographic, comorbid, or surgical parameter was associated with complication development...
December 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27297785/post-authorization-safety-study-comparing-quetiapine-to-risperidone-and-olanzapine
#16
COMPARATIVE STUDY
Edith M Heintjes, Jetty A Overbeek, Fernie J A Penning-van Beest, Gunnar Brobert, Ron M C Herings
OBJECTIVES: To compare rates of specific adverse outcomes between patients starting quetiapine, olanzapine, or risperidone use in the Netherlands. METHODS: Observational study using the PHARMO Database Network, including patients starting quetiapine (4658), olanzapine (5856), or risperidone (7229) in 2000-2009, comparing rates of all-cause mortality, failed suicide attempts, extrapyrimidal symptoms (EPS), diabetes mellitus (DM), hypothyroidism, and acute myocardial infarction (AMI)...
July 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27074518/effect-of-fetal-hypothyroidism-on-tolerance-to-ischemia-reperfusion-injury-in-aged-male-rats-role-of-nitric-oxide
#17
Sajad Jeddi, Jalal Zaman, Asghar Ghasemi
Aging is associated with increased prevalence of cardiovascular disease. Thyroid hormone deficiency during fetal life decreases myocardial tolerance to ischemia-reperfusion (IR) injury in later life. The long-term effects of fetal hypothyroidism (FH) on response to IR injury in aged rats have not been well documented. The aim of this study was therefore to compare the effect of FH on tolerance to IR injury in young and aged male rats and to determine contribution of iNOS (inducible nitric oxide synthase), Bax, and Bcl-2...
May 1, 2016: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/27014189/microrna-214-is-a-potential-regulator-of-thyroid-hormone-levels-in-the-mouse-heart-following-myocardial-infarction-by-targeting-the-thyroid-hormone-inactivating-enzyme-deiodinase-type-iii
#18
Rob Janssen, Marian J Zuidwijk, Alice Muller, Alain van Mil, Ellen Dirkx, Cees B M Oudejans, Walter J Paulus, Warner S Simonides
Cardiac thyroid-hormone signaling is a critical determinant of cellular metabolism and function in health and disease. A local hypothyroid condition within the failing heart in rodents has been associated with the re-expression of the fetally expressed thyroid-hormone-inactivating enzyme deiodinase type III (Dio3). While this enzyme emerges as a common denominator in the development of heart failure, the mechanism underlying its regulation remains largely unclear. In the present study, we investigated the involvement of microRNAs (miRNAs) in the regulation of Dio3 mRNA expression in the remodeling left ventricle (LV) of the mouse heart following myocardial infarction (MI)...
2016: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/26996774/unexpected-stealing-from-the-heart
#19
Ingrid Jones-Ince, Gregory Todd
BACKGROUND: Coronary subclavian steal syndrome (CSSS) is defined as retrograde flow in the internal mammary artery graft, after coronary artery bypass surgery, resulting in anterior wall myocardial ischemia. If undiagnosed, it may lead to significant infarction. Its incidence has been under-reported. CASE REPORT: A 74-year-old woman presented with sudden onset of typical angina, which was associated with dyspnea, nausea, and vomiting. Her medical history was significant for coronary artery disease, with prior coronary artery bypass surgery (CABG), chronic obstructive pulmonary disease (COPD), hypertension, diabetes type 2, dyslipidemia, hypothyroidism, and depression...
March 21, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/26818851/co-morbidity-in-patients-with-early-rheumatoid-arthritis-inflammation-matters
#20
Lena Innala, Clara Sjöberg, Bozena Möller, Lotta Ljung, Torgny Smedby, Anna Södergren, Staffan Magnusson, Solbritt Rantapää-Dahlqvist, Solveig Wållberg-Jonsson
BACKGROUND: Patients with rheumatoid arthritis (RA) suffer from co-morbidities that contribute to a shortened lifespan. Inflammation is important for the development of cardiovascular disease, but little is known on its relationship with other co-morbidities. We investigated the role of inflammation for the development of new comorbidities in early RA. METHODS: Since 1995, all patients with early RA in Northern Sweden are included in a prospective study on co-morbidities, with a total of 950 patients being included...
January 28, 2016: Arthritis Research & Therapy
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