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Heart Rate Variability and cardiovascular disease

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https://www.readbyqxmd.com/read/29764606/sex-and-family-history-of-cardiovascular-disease-influence-heart-rate-variability-during-stress-among-healthy-adults
#1
Charles F Emery, Catherine M Stoney, Julian F Thayer, DeWayne Williams, Andrew Bodine
OBJECTIVE: Studies of sex differences in heart rate variability (HRV) typically have not accounted for the influence of family history (FH) of cardiovascular disease (CVD). This study evaluated sex differences in HRV response to speech stress among men and women (age range 30-49 years) with and without a documented FH of CVD. METHODS: Participants were 77 adults (mean age = 39.8 ± 6.2 years; range: 30-49 years; 52% female) with positive FH (FH+, n = 32) and negative FH (FH-, n = 45) of CVD, verified with relatives of participants...
July 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29748792/the-independent-and-combined-effects-of-respiratory-events-and-cortical-arousals-on-the-autonomic-nervous-system-across-sleep-stages
#2
Jiuxing Liang, Xiangmin Zhang, Xiaomin He, Li Ling, Chunyao Zeng, Yuxi Luo
PURPOSE: During sleep, respiratory events readily modulate the autonomic nervous system (ANS). Whether such modulation is caused by the respiratory event itself or the cortical arousal that follows and whether these influences differ across sleep stages are not clear. Thus, we aimed to study the independent and combined effects of respiratory events and cortical arousals on the ANS across sleep stages. METHODS: We recruited 22 male patients with sleep apnea-hypopnea syndrome (SAHS) and analyzed the differences in the indices of heart rate variability among normal respiration (NR), pathological respiratory events without cortical arousals (PR), cortical arousals without respiratory events (CA), and the coexistence of PR and CA (PR&CA), by sleep stage...
May 10, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29739781/multiple-risk-factor-control-mortality-and-cardiovascular-events-in-type-2-diabetes-and-chronic-kidney-disease-a-population-based-cohort-study
#3
Shota Hamada, Martin C Gulliford
OBJECTIVES: This study aimed to evaluate the effectiveness of multiple risk factor control (MRFC) at reducing mortality and cardiovascular events in diabetes and chronic kidney disease (CKD) in clinical practice. DESIGN: Population-based cohort study. SETTING: Primary care database in the UK, linked with inpatient and mortality data. PARTICIPANTS: Participants aged 40-79 years with type 2 diabetes and valid serum creatinine measurements, including 11 431 participants with CKD (estimated glomerular filtration rate: eGFR 15-59 mL/min/1...
May 8, 2018: BMJ Open
https://www.readbyqxmd.com/read/29737513/development-and-validation-of-a-difficulty-score-to-predict-intraoperative-complications-during-laparoscopic-liver-resection
#4
M C Halls, G Berardi, F Cipriani, L Barkhatov, P Lainas, S Harris, M D'Hondt, F Rotellar, I Dagher, L Aldrighetti, R I Troisi, B Edwin, M Abu Hilal
BACKGROUND: Previous studies have demonstrated that patient, surgical, tumour and operative variables affect the complexity of laparoscopic liver resections. However, current difficulty scoring systems address only tumour factors. The aim of this study was to develop and validate a predictive model for the risk of intraoperative complications during laparoscopic liver resections. METHODS: The prospectively maintained databases of seven European tertiary referral liver centres were compiled...
May 8, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29729518/short-term-effects-of-physical-activity-air-pollution-and-their-interaction-on-the-cardiovascular-and-respiratory-system
#5
Michelle Laeremans, Evi Dons, Ione Avila-Palencia, Glòria Carrasco-Turigas, Juan Pablo Orjuela, Esther Anaya, Tom Cole-Hunter, Audrey de Nazelle, Mark Nieuwenhuijsen, Arnout Standaert, Martine Van Poppel, Patrick De Boever, Luc Int Panis
Physical activity (PA) in urban environments may lead to increased inhalation of air pollutants. As PA and air pollution (AP) have respectively beneficial and detrimental effects on the cardiorespiratory system, the responses to these exposures can interact. Therefore, we assessed the short-term effects of PA, AP and their interaction on a set of subclinical cardiovascular and respiratory outcomes in a panel of healthy adults: heart rate variability (HRV), retinal vessel diameters, lung function and fractional exhaled nitric oxide (FeNO)...
May 2, 2018: Environment International
https://www.readbyqxmd.com/read/29712484/does-prenatal-diagnosis-of-critical-congenital-heart-diseases-influence-the-prereferral-mortality-in-a-center-without-surgical-intervention
#6
Buse Özer Bekmez, Evrim Alyamaç Dizdar, Nilüfer Okur, Mehmet Büyüktiryaki, Nurdan Uraş, Serife Suna Oğuz
BACKGROUND: Prenatal diagnosis ameliorates some preoperative and postoperative outcomes in critical congenital heart disease (CHD). Despite large variability among anatomical defect types, nearly half of them are diagnosed antenatally. We aimed to investigate the effect of the antenatal diagnosis on prereferral mortality of infants with critical CHD in a center without cardiovascular surgery clinic. METHODS: Medical records of the neonates who were diagnosed with critical CHD between the years 2010 and 2016 in Zekai Tahir Burak Women's health Education and Research Hospital were retrospectively reviewed for the study...
April 30, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29707175/comparative-study-of-short-term-cardiovascular-autonomic-control-in-cardiac-surgery-patients-who-underwent-coronary-artery-bypass-grafting-or-correction-of-valvular-heart-disease
#7
Vladimir A Shvartz, Anton R Kiselev, Anatoly S Karavaev, Kristina A Vulf, Ekaterina I Borovkova, Mikhail D Prokhorov, Andrey D Petrosyan, Olga L Bockeria
Introduction: Our aim was to perform a comparative study of short-term cardiovascular autonomic control in cardiac surgery patients who underwent coronary artery bypass grafting (CABG) or surgical correction of valvular heart disease (SCVHD ). Methods: The synchronous 15 minutes records of heart rate variability (HRV) and finger's photoplethysmographic waveform variability (PPGV) were performed in 42 cardiac surgery patients (12 women) aged 61.8 ± 8.6 years (mean ± standard deviation), who underwent CABG, and 36 patients (16 women) aged 54...
2018: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/29706714/effects-of-smoking-and-aerobic-exercise-on-male-college-students-metabolic-syndrome-risk-factors
#8
Jee-Youn Kim, Yuhao Yang, Young-Je Sim
[Purpose] The aim was to investigate the effects of university students' smoking and aerobic exercise on metabolic syndrome risk factors. [Subjects and Methods] Twenty-three male students were randomly assigned to the following groups: exercise smoker (n=6), non-exercise smoker (n=6), exercise non-smoker (n=6), and non-exercise non-smoker (n=5). A basketball exercise program was conducted three times per week (70 minutes per session) for 8 weeks with exercise intensity set at 50-80% of heart rate reserve. After 8 weeks, the variables of risk factors for metabolic syndrome were obtained...
April 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29702444/spousal-bereavement-is-associated-with-more-pronounced-ex-vivo-cytokine-production-and-lower-heart-rate-variability-mechanisms-underlying-cardiovascular-risk
#9
Christopher P Fagundes, Kyle W Murdock, Angie LeRoy, Faiza Baameur, Julian F Thayer, Cobi Heijnen
The loss of a spouse is a highly stressful event that puts people at excess risk of mortality. Excess mortality among those who are widowed is highest in the first six months after the death of a spouse and decreases over time. Heart disease accounts for the largest proportion of these deaths. The psychological stress associated with stressful life events can enhance inflammation and lower heart rate variability (HRV). Both lower HRV and higher inflammation are risk factors for cardiovascular morbidity and mortality...
April 13, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29697139/increased-cardiac-stiffness-is-associated-with-autonomic-dysfunction-in-patients-with-temporal-lobe-epilepsy
#10
Guilherme L Fialho, Peter Wolf, Roger Walz, Katia Lin
Autonomic dysfunction is linked to sudden death regardless of the presence of structural heart disease. The pathway from autonomic dysfunction to sudden death is not fully understood, but myocardial sympathetic stimulation leading to arrhythmia and/or cardiac fibrosis might play a role. Our goal was to evaluate cardiac stiffness by echocardiography and its association with clinical, structural, and autonomic variables in people with epilepsy (PWE) compared to healthy controls. A 12-lead electrocardiogram, treadmill testing, and transthoracic echocardiography from 30 patients with temporal lobe epilepsy (TLE) without any known cardiovascular disorders were compared to 30 individuals without epilepsy matched by sex, age, and body mass index...
April 26, 2018: Epilepsia
https://www.readbyqxmd.com/read/29696428/heart-rate-variability-and-cardiopulmonary-dysfunction-in-patients-with-duchenne-muscular-dystrophy-a-systematic-review
#11
REVIEW
Talita Dias da Silva, Thais Massetti, Tânia Brusque Crocetta, Carlos Bandeira de Mello Monteiro, Alex Carll, Luiz Carlos Marques Vanderlei, Carlie Arbaugh, Fernando Rocha Oliveira, Luiz Carlos de Abreu, Celso Ferreira Filho, John Godleski, Celso Ferreira
Duchenne muscular dystrophy (DMD) is a genetic recessive disorder with progressive muscle weakness. Despite the general muscle wasting, degeneration and necrosis of cardiomyocytes have been the main causes of morbidity and death in individuals with DMD. Cardiac failure is generally preceded by disturbances in heart rate variability (HRV), and non-invasive measurement of the autonomic nervous system has been an important tool to predict adverse cardiovascular events. Hence, the application of HRV to study autonomic modulation in DMD individuals, and the establishment of correlations between HRV and heart/lung diseases, age, and mortality will have the potential to improve quality of life and life expectancy of individuals with DMD...
April 25, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29685887/cardiopulmonary-resuscitation-in-infants-and-children-with-cardiac-disease-a-scientific-statement-from-the-american-heart-association
#12
REVIEW
Bradley S Marino, Sarah Tabbutt, Graeme MacLaren, Mary Fran Hazinski, Ian Adatia, Dianne L Atkins, Paul A Checchia, Allan DeCaen, Ericka L Fink, George M Hoffman, John L Jefferies, Monica Kleinman, Catherine D Krawczeski, Daniel J Licht, Duncan Macrae, Chitra Ravishankar, Ricardo A Samson, Ravi R Thiagarajan, Rune Toms, James Tweddell, Peter C Laussen
Cardiac arrest occurs at a higher rate in children with heart disease than in healthy children. Pediatric basic life support and advanced life support guidelines focus on delivering high-quality resuscitation in children with normal hearts. The complexity and variability in pediatric heart disease pose unique challenges during resuscitation. A writing group appointed by the American Heart Association reviewed the literature addressing resuscitation in children with heart disease. MEDLINE and Google Scholar databases were searched from 1966 to 2015, cross-referencing pediatric heart disease with pertinent resuscitation search terms...
April 23, 2018: Circulation
https://www.readbyqxmd.com/read/29681953/omega-3-fatty-acid-supplementation-improves-heart-rate-variability-in-obese-children
#13
Christoph Baumann, Ulla Rakowski, Reiner Buchhorn
Obese children and adolescents are at high risk of developing cardiovascular diseases later in life. We hypothesized that cardiovascular prophylaxis with omega-3 fatty acids could benefit them. In our study, 20 children and adolescents (mean body mass index percentile: 99.1; mean age: 11.0 years) underwent two ambulatory 24 h Holter electrocardiography (ECG) recordings (before and after at least 3 months of omega-3 fatty acid supplementation). Time domain heart rate variability (HRV) and heart rate (HR) were examined for these patients...
2018: International Journal of Pediatrics
https://www.readbyqxmd.com/read/29680866/toward-hypertension-prediction-based-on-ppg-derived-hrv-signals-a-feasibility-study
#14
Kun-Chan Lan, Paweeya Raknim, Wei-Fong Kao, Jyh-How Huang
Heart rate variability (HRV) is often used to assess the risk of cardiovascular disease, and data on this can be obtained via electrocardiography (ECG). However, collecting heart rate data via photoplethysmography (PPG) is now a lot easier. We investigate the feasibility of using the PPG-based heart rate to estimate HRV and predict diseases. We obtain three months of PPG-based heart rate data from subjects with and without hypertension, and calculate the HRV based on various forms of time and frequency domain analysis...
April 21, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29680865/comparison-of-midterm-outcomes-of-transcatheter-aortic-valve-implantation-in-patients-with-and-without-previous-coronary-artery-bypass-grafting
#15
Hideyuki Kawashima, Yusuke Watanabe, Ken Kozuma, Akihisa Kataoka, Makoto Nakashima, Hirofumi Hioki, Fukuko Nagura, Yugo Nara, Shinichi Shirai, Norio Tada, Motoharu Araki, Toru Naganuma, Futoshi Yamanaka, Hiroshi Ueno, Minoru Tabata, Kazuki Mizutani, Akihiro Higashimori, Kensuke Takagi, Masanori Yamamoto, Kentaro Hayashida
The midterm safety and feasibility of transcatheter aortic valve implantation (TAVI) for patients with a history of coronary artery bypass graft (CABG) and high operative risk are unclear. This study compared the midterm outcomes of patients undergoing TAVI with or without previous CABG surgery. Between October 2013 and July 2016, 1,613 patients underwent TAVI according to the Optimized CathEter vAlvular iNtervention (OCEAN)-TAVI registry (previous CABG: n = 120; no previous CABG: n = 1493). The propensity score comprised the variables of the Society of Thoracic Surgeons Score, previous myocardial infarction, peripheral artery disease, chronic kidney disease > stage 2 (estimated glomerular filtration rate < 60 mL/min/1...
April 21, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29679294/gender-differences-in-home-based-cardiac-rehabilitation-of-post-percutaneous-coronary-intervention-patients
#16
Yong Hwan Kim, Wi-Young So
Cardiac rehabilitation (CR) is a structured program for the prevention of secondary cardiovascular disease (CVD) and related diseases, such as hypertension, diabetes, and obesity. This study aimed to investigate whether there are gender differences after 9 months of home-based cardiac rehabilitation program in post-percutaneous coronary intervention patients. A total of 114 (58.29 ± 10.33 years) men and 30 (60.90 ± 9.32 years) women were enrolled in the CR program. The program included three visits: initial, 4th month (follow-up), and 9th month (final) visits at a CR center...
April 20, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29670504/clozapine-induced-cardiovascular-side-effects-and-autonomic-dysfunction-a-systematic-review
#17
Jessica W Y Yuen, David D Kim, Ric M Procyshyn, Randall F White, William G Honer, Alasdair M Barr
Background: Clozapine is the antipsychotic of choice for treatment-resistant schizophrenia and has minimal risk for extrapyramidal symptoms. Therapeutic benefits, however, are accompanied by a myriad of cardiometabolic side-effects. The specific reasons for clozapine's high propensity to cause adverse cardiometabolic events remain unknown, but it is believed that autonomic dysfunction may play a role in many of these. Objective: This systematic review summarizes the literature on autonomic dysfunction and related cardiovascular side effects associated with clozapine treatment...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29659956/polyphenols-have-no-impact-on-endothelial-function-in-patients-with-obstructive-sleep-apnea-a-randomized-controlled-trial
#18
Wojciech Trzepizur, Vanessa Bironneau, Sylvain Recoquillon, Pascaline Priou, Nicole Meslier, Jean-François Hamel, Samir Henni, Astrid Darsonval, Khaled Messaoudi, Maria Carmen Martínez, Ramaroson Andriantsitohaina, Frédéric Gagnadoux
Background: Endothelial dysfunction, a pathophysiologic determinant of atherogenesis, has been found to occur in obstructive sleep apnea syndrome (OSA) and is improved by continuous positive airway pressure (CPAP). However, the efficacy of CPAP therapy is limited by variable adherence. Alternative treatment strategies are needed. The impact of polyphenols on endothelial function has never been evaluated in OSA. Objective: We evaluated the impact of 1-mo supplementation with grape juice polyphenols (GJPs) on the reactive hyperemia index (RHI), a validated measure of endothelial function in patients with severe OSA...
April 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29658440/effects-of-transcutaneous-electrical-nerve-stimulation-in-autonomic-nervous-system-of-hypertensive-patients-a-randomized-controlled-trial
#19
Sandra do Amaral Sartori, Cinara Stein, Christian Correa Coronel, Fabricio Edler Macagnan, Rodrigo Della Mea Plentz
BACKGROUND: Patients with hypertension have altered autonomic nervous system function, which are increased sympathetic activity. Transcutaneous Electrical Nerve Stimulation (TENS) is a useful modality for pain control and has also been shown to be effective in the reduction of sympathetic activity in healthy subjects and individuals with cardiovascular diseases. OBJECTIVE: The aim of this study was to verify the effects of transcutaneous electrical nerve stimulation by the evaluation of heart rate variability (HRV) in patients with essential hypertension...
April 16, 2018: Current Hypertension Reviews
https://www.readbyqxmd.com/read/29656903/improving-the-prognosis-of-patients-with-severely-decreased-glomerular-filtration-rate-ckd-g4-conclusions-from-a-kidney-disease-improving-global-outcomes-kdigo-controversies-conference
#20
Kai-Uwe Eckardt, Nisha Bansal, Josef Coresh, Marie Evans, Morgan E Grams, Charles A Herzog, Matthew T James, Hiddo J L Heerspink, Carol A Pollock, Paul E Stevens, Manjula Kurella Tamura, Marcello A Tonelli, David C Wheeler, Wolfgang C Winkelmayer, Michael Cheung, Brenda R Hemmelgarn
Patients with severely decreased glomerular filtration rate (GFR) (i.e., chronic kidney disease [CKD] G4+) are at increased risk for kidney failure, cardiovascular disease (CVD) events (including heart failure), and death. However, little is known about the variability of outcomes and optimal therapeutic strategies, including initiation of kidney replacement therapy (KRT). Kidney Disease: Improving Global Outcomes (KDIGO) organized a Controversies Conference with an international expert group in December 2016 to address this gap in knowledge...
April 12, 2018: Kidney International
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