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Atrial fibrillation and obesity

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https://www.readbyqxmd.com/read/28641376/height-weight-and-aerobic-fitnessin-relation-to-risk-of-atrial-fibrillation
#1
Casey Crump, Jan Sundquist, Marilyn A Winkleby, Kristina Sundquist
Tall stature or obesity has been associated with higher risk of atrial fibrillation (AF), but reported effects of aerobic fitness have been conflicting. A national cohort study was conducted to examine interactions between height or weight and aerobic fitness among 1,547,478 Swedish military conscripts during 1969-1997 (97-98% of all 18-year-old males) in relation to AF identified from nationwide inpatient and outpatient diagnoses through 2012 (maximum age 62). Increased height, weight, or aerobic fitness (but not muscular strength) at age 18 was associated with higher AF risk in adulthood...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28639773/-paradigm-shift-in-the-treatment-of-atrial-fibrillation-the-importance-of-risk-factor-management
#2
Stefania Aur, Patrizio Pascale
The prevalence of atrial fibrillation (AF) is constantly rising. Different studies have underlined the correlation between AF and modifiable risk factors such as obesity, obstructive sleep apnea, hypertension and sedentary lifestyle. Treatment of these comorbidities could significantly reduce the AF burden and the recurrence rate after cardioversion or ablation. These data should therefore lead to a paradigm shift in the management of AF. A strategy limited to catheter ablation or to the prescription of an antiarrhythmic drug is not sufficient...
May 24, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28629772/impact-of-the-cardiovascular-system-associated-adipose-tissue-on-atherosclerotic-pathology
#3
REVIEW
Dimitry A Chistiakov, Andrey V Grechko, Veronika A Myasoedova, Alexandra A Melnichenko, Alexander N Orekhov
Cardiac obesity makes an important contribution to the pathogenesis of cardiovascular disease. One of the important pathways of this contribution is the inflammatory process that takes place in the adipose tissue. In this review, we consider the role of the cardiovascular system-associated fat in atherosclerotic cardiovascular pathology and a non-atherosclerotic cause of coronary artery disease, such as atrial fibrillation. Cardiovascular system-associated fat not only serves as the energy store, but also releases adipokines that control local and systemic metabolism, heart/vascular function and vessel tone, and a number of vasodilating and anti-inflammatory substances...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28624486/modifiable-risk-factors-for-incident-heart%C3%A2-failure-in-atrial-fibrillation
#4
Neal A Chatterjee, Claudia U Chae, Eunjung Kim, M Vinayaga Moorthy, David Conen, Roopinder K Sandhu, Nancy R Cook, I-Min Lee, Christine M Albert
OBJECTIVES: This study sought to identify modifiable risk factors and estimate the impact of risk factor modification on heart failure (HF) risk in women with new-onset atrial fibrillation (AF). BACKGROUND: Incident HF is the most common nonfatal event in patients with AF, although strategies for HF prevention are lacking. METHODS: We assessed 34,736 participants in the Women's Health Study who were free of prevalent cardiovascular disease at baseline...
May 31, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28610436/obstructive-sleep-apnoea-in-diabetes-does-it-matter
#5
Abd A Tahrani
Obstructive sleep apnoea (OSA) is very common in patients with Type 2 diabetes (T2D), which is not surprising considering that obesity is a common risk factor for both conditions. In general population studies, OSA has been shown to be associated with several comorbidities including increased risk of road traffic accidents, T2D, hypertension and lack of nocturnal dipping of blood pressure, hyperlipidaemia, increased inflammation, increased risk of cardiovascular disease and mortality, increased risk of atrial fibrillation, worse quality of life, and erectile dysfunction...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28595844/subclinical-myocardial-impairment-in-metabolic%C3%A2-diseases
#6
REVIEW
Wojciech Kosmala, Prash Sanders, Thomas H Marwick
Type 2 diabetes mellitus (T2DM) and obesity are important contributors to nonischemic heart failure (HF) and atrial fibrillation. There is a 2- to 5-fold increase in HF associated with T2DM, and there is a 5% in HF risk in men and 7% increment in women for every unit increment in body mass index, after adjustment for traditional cardiovascular risk factors. Likewise, the risk of atrial fibrillation increases by about 6% per unit increase in body mass index. Metabolic cardiomyopathy leads to a number of changes in cardiac structure and function that can be recognized by imaging in the asymptomatic phase, and these parameters can be used for monitoring the progression of disease or the response to therapy...
June 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28588091/associations-of-abdominal-obesity-and-new-onset-atrial-fibrillation-in-the-general-population
#7
Yong-Soo Baek, Pil-Sung Yang, Tae-Hoon Kim, Jae-Sun Uhm, Junbeom Park, Hui-Nam Pak, Moon-Hyoung Lee, Boyoung Joung
BACKGROUND: Higher height and weight are known to be associated with higher risk of atrial fibrillation (AF); however, whether the risk of AF is related to abdominal obesity is unclear. METHODS AND RESULTS: We studied 501 690 adults (mean age: 47.6±14.3 years; 250 664 women [50.0%]) without baseline AF in the National Sample Cohort released by the National Health Insurance Service in Korea. Body mass index (underweight defined as <18.5; normal, 18.5 to <25...
June 6, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28586100/obstructive-sleep-apnea-is-associated-with-increased-readmission-in-heart-failure-patients
#8
Alex Sommerfeld, Andrew D Althouse, Jennifer Prince, Charles W Atwood, Suresh R Mulukutla, Gavin W Hickey
BACKGROUND: Heart failure (HF) readmission rates have become an increasingly important quality metric since the advent of the Hospital Readmissions Reduction Program. Despite many well-intentioned efforts to reduce readmissions, clinicians continue to struggle with the problem of high HF readmission rates. HYPOTHESIS: HF patients with obstructive sleep apnea (OSA) will have higher burden of rehospitalization and mortality than HF patients without OSA. METHODS: Our study included 344 patient encounters (among 271 unique patients) with a diagnosis of HF from September 2014 through September 2015...
June 6, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28583686/relation-of-body-mass-index-and-gender-to-left-atrial-size-and-atrial-fibrillation
#9
Gary Huang, Puja B Parikh, Aditi Malhotra, Luis Gruberg, Smadar Kort
Increased body mass index (BMI) and obesity are associated with greater risk of atrial fibrillation (AF). However, whether this correlation is independent and gender specific remains unclear. The objective of this study was to characterize the relation between BMI, left atrial (LA) size, and presence of AF and determine whether this association is gender specific. We prospectively studied 499 patients who underwent a transthoracic echocardiogram at an academic tertiary care medical center. Clinical and echocardiographic data were obtained...
July 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28576381/agreement-between-hospital-discharge-diagnosis-codes-and-medical-records-to-identify-metastatic-colorectal-cancer-and-associated-comorbidities-in-elderly-patients
#10
A Gouverneur, D Dolatkhani, M Rouyer, A Grelaud, F Francis, V Gilleron, A Fourrier-Réglat, P Noize
BACKGROUND: Quality of coding to identify cancers and comorbidities through the French hospital diagnosis database (Programme de médicalisation des systèmes d'information, PMSI) has been little investigated. Agreement between medical records and PMSI database was evaluated regarding metastatic colorectal cancer (mCRC) and comorbidities. METHODS: From 01/01/2013 to 06/30/2014, 74 patients aged≥65years at mCRC diagnosis were identified in Bordeaux teaching hospital...
May 30, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28566547/rapid-transitions-in-the-epidemiology-of-stroke-and-its-risk-factors-in-china-from-2002-to-2013
#11
Tianjia Guan, Jing Ma, Mei Li, Tao Xue, Zongmin Lan, Jian Guo, Ying Shen, Baohua Chao, Geyuan Tian, Qiang Zhang, Longde Wang, Yuanli Liu
OBJECTIVE: To estimate the current prevalence, temporal incidence trends, and contribution of risk factors for stroke in China. METHODS: The China National Stroke Screening Survey (CNSSS) is an ongoing nationwide population-based program. A representative sample of 1,292,010 adults over 40 years old with 31,188 identified stroke cases from the 2013 and 2014 CNSSS database was analyzed to provide descriptive statistics of the prevalence and risk factors for stroke in 2014...
May 31, 2017: Neurology
https://www.readbyqxmd.com/read/28541599/improvement-of-left-ventricular-diastolic-function-and-left-heart-morphology-in-young-women-with-morbid-obesity-six-months-after-bariatric-surgery
#12
Katarzyna Kurnicka, Justyna Domienik-Karłowicz, Barbara Lichodziejewska, Maksymilian Bielecki, Marta Kozłowska, Sylwia Goliszek, Olga Dzikowska-Diduch, Wojciech Lisik, Maciej Kosieradzki, Piotr Pruszczyk
BACKGROUND: Obesity contributes to left ventricular diastolic dysfunction (LVDD) and may lead to diastolic heart failure. Weight loss (WL) after bariatric surgery (BS) may influence LV morphology and function. Using echocardiography, this study assessed the effect of WL on LV diastolic function (LVDF) and LV and left atrium (LA) morphology 6 months after BS in young women with morbid obesity. METHODS: Echocardiography was performed in 60 women with BMI ≥ 40kg/m², aged 37...
May 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28521886/lean-body-mass-is-the-predominant-anthropometric-risk-factor-for-atrial%C3%A2-fibrillation
#13
Morten Fenger-Grøn, Kim Overvad, Anne Tjønneland, Lars Frost
BACKGROUND: Obesity is repeatedly emphasized as a risk factor for atrial fibrillation or flutter (AF). However, the underlying evidence may be questioned, as the obvious correlations between various anthropometric measures hamper identification of the characteristics that are biologically driving AF risk, and recent studies suggest that fat carries limited or no independent risk of AF. OBJECTIVES: This study sought to assess mutually adjusted associations among AF risk and height, weight, body mass index, hip and waist circumference, waist-to-hip ratio, and bioelectrical impedance-derived measures of fat mass, lean body mass, and fat percentage...
May 23, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28506809/women-with-atrial-fibrillation-and-type-2-diabetes-have-a-higher-incidence-of-hospitalization-and-undergo-ablation-or-pacemaker-implantation-less-frequently-than-men
#14
Manuel Méndez-Bailón, Nuria Muñoz-Rivas, Rodrigo Jiménez-García, Valentín Hernández-Barrera, José Mª de Miguel-Yanes, Noel Lorenzo Villalba, Javier de Miguel Diez, Ana Lopez-de-Andrés
BACKGROUND: We reviewed trends from 2004 to 2013 in the incidence and outcomes for atrial fibrillation (AF) in Spanish patients with type 2 diabetes mellitus (T2DM) comparing women and men. METHODS: We used national hospital discharge data including all T2DM patients discharged from the hospital after AF. Patients with AF in the primary diagnosis field were selected. Discharges were grouped by sex. Incidence was calculated overall and stratified by sex. We analyzed diagnostic and therapeutic procedures, patient comorbidities, CHA2DS2-VASc score, length of hospital stay, readmission rates and in-hospital mortality (IHM)...
May 12, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28502849/the-interaction-of-cardiorespiratory-fitness-with-obesity-and-the-obesity-paradox-in-cardiovascular-disease
#15
REVIEW
Ahmet Afşin Oktay, Carl J Lavie, Peter F Kokkinos, Parham Parto, Ambarish Pandey, Hector O Ventura
Overweight and obesity are well-established risk factors for most cardiovascular diseases (CVD), including coronary heart disease (CHD), heart failure (HF), and atrial fibrillation. Despite the strong link between excess adiposity and risk of CVD, growing evidence has demonstrated an obesity paradox in patients with CVD. This phenomenon is characterized by a better prognosis in overweight and mildly obese CVD patients than their leaner counterparts. Moreover, the worst outcomes are often incurred by underweight CVD patients, followed by those of normal weight or severely obese...
May 12, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28500479/-catheter-ablation-of-persistent-atrial-fibrillation-where-do-we-go
#16
C Lemeš, K-H Kuck, S Mathew
Despite the very promising initial results of clinical studies, catheter ablation of persistent atrial fibrillation (AF) remains a challenge in modern electrophysiology. On the basis of the hypothesized pathophysiological mechanisms, a variety of ablation strategies have been developed over the course of time. The current ablation strategies range from pulmonary vein isolation (PVI) alone as first-line therapy, through ablation of multiple linear lesions, ablation of complex fractionated atrial electrograms (CFAE), rotor ablation, isolation of fibrotic and scar tissue up to isolation of the left atrial appendage (LAA); however, it is unclear even to the present day whether these complex and time-consuming strategies actually improve the success rate of ablation therapy...
May 12, 2017: Herz
https://www.readbyqxmd.com/read/28498436/exposure-to-a-chronic-high-fat-diet-promotes-atrial-structure-and-gap-junction-remodeling-in-rats
#17
Tianyu Meng, Gong Cheng, Yuejiao Wei, Shuting Ma, Yongrong Jiang, Jine Wu, Xin Zhou, Chaofeng Sun
Obesity has been demonstrated to be linked to atrial fibrillation (AF) with atrial enlargement and tissue fibrosis. Long-term high calorie intake is the main reason for the prevalence of obesity. To investigate the possible causes of AF, such as chronic high-fat diet (HFD), and to identify the underlying mechanisms, the present study analyzed a variety of structural and gap junctional electrophysiological alterations in the atria of female rats fed an HFD. After consistent HFD feeding of female rats for 12 weeks, hematoxylin and eosin (H&E) and Masson's staining, RT-qPCR, western blotting, immunofluorescence and TUNEL staining were performed...
May 9, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28496431/sex-differences-in-outcomes-among-stroke-survivors-with-non-valvular-atrial-fibrillation-in-china
#18
Yan Hong, Xun Yang, Wenjuan Zhao, Xianghui Zhang, Junli Zhao, Yuanju Yang, Xianjia Ning, Jinghua Wang, Zhongping An
Atrial fibrillation (AF) significantly increases the risk of stroke and disease burden and is an established predictor of poor outcomes after stroke. However, data regarding sex differences in long-term outcomes following stroke in patients with AF are scarce. We thus aimed to assess these differences. We recruited 951 consecutive patients with acute ischemic stroke and non-valvular atrial fibrillation (NVAF) treated at three hospitals in Tianjin, China, from January 2006 to September 2014. Information regarding stroke subtype, severity, risk factors, and outcomes (mortality, dependency, and recurrence) at 3, 12, and 36 months after stroke was recorded...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28465298/relations-of-liver-fat-with-prevalent-and-incident-atrial-fibrillation-in-the-framingham-heart-study
#19
Michelle T Long, Xiaoyan Yin, Martin G Larson, Patrick T Ellinor, Steven A Lubitz, David D McManus, Jared W Magnani, Laila Staerk, Darae Ko, Robert H Helm, Udo Hoffmann, Raymond T Chung, Emelia J Benjamin
BACKGROUND: Obesity is an important risk factor for nonalcoholic fatty liver disease and atrial fibrillation (AF). Less is known about the relations between nonalcoholic fatty liver disease and AF. We sought to evaluate the association between fatty liver and prevalent and incident AF in the community. METHODS AND RESULTS: We examined Framingham Heart Study participants who underwent a study-directed computed tomography scan, had hepatic steatosis (HS) evaluated, and did not report heavy alcohol use between 2002 and 2005...
May 2, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28450765/effect-of-body-mass-index-on-postoperative-complications-in-beating-coronary-artery-surgery
#20
Feridoun Sabzi, Reza Faraji
BACKGROUND: Body Mass Index (BMI) is considered as an important risk factor in cardiovascular surgery. We designed a historical cohort study for the evaluation of perioperative complications related to BMI in patients who underwent off-pump coronary artery bypass grafting (OPCAB). METHODS: We studied 1120 consecutive patients who underwent OPCAB between January 2008 and December 2011 in Imam Ali Hospital, Kermanshah, Iran. Patients were divided into four groups according to BMI: underweight/low BMI (< 18...
November 2016: Ethiopian Journal of Health Sciences
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