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Resistant hypertension and sleep

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https://www.readbyqxmd.com/read/29686432/targeting-autophagy-in-obesity-from-pathophysiology-to-management
#1
REVIEW
Yingmei Zhang, James R Sowers, Jun Ren
Obesity poses a severe threat to human health, including the increased prevalence of hypertension, insulin resistance, diabetes mellitus, cancer, inflammation, sleep apnoea and other chronic diseases. Current therapies focus mainly on suppressing caloric intake, but the efficacy of this approach remains poor. A better understanding of the pathophysiology of obesity will be essential for the management of obesity and its complications. Knowledge gained over the past three decades regarding the aetiological mechanisms underpinning obesity has provided a framework that emphasizes energy imbalance and neurohormonal dysregulation, which are tightly regulated by autophagy...
April 23, 2018: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29680416/electrocardiographic-variables-in-children-with-syndromic-craniosynostosis-and-primary-snoring-to-mild-obstructive-sleep-apnea-significance-of-identifying-respiratory-arrhythmia-during-sleep
#2
Ellaha Kakar, Linda J A Corel, Robert C Tasker, Robbin de Goederen, Eppo B Wolvius, Irene M J Mathijssen, Koen F M Joosten
BACKGROUND: In the spectrum of children with symptomatic sleep disordered breathing (SDB), some individuals - such as those with upper airway resistance syndrome (UARS) - do not have abnormalities on polysomnography (PSG). In this study we have assessed whether assessment of respiratory arrhythmia (RA) and heart rate variability (HRV) analysis helps in management of children with syndromic craniosynostosis and none-to-mild obstructive sleep apnea (OSA). METHODS: Prospective cohort study in children aged 1-18 years old with syndromic craniosynostosis...
May 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29652543/cardioprotection-by-intermittent-hypoxia-conditioning-evidence-mechanisms-and-therapeutic-potential
#3
Robert T Mallet, Eugenia B Manukhina, Steven S Ruelas, James L Caffrey, H Fred Downey
The calibrated application of limited duration, cyclic, moderately intense hypoxia-reoxygenation increases cardiac resistance to ischemia-reperfusion stress. These intermittent hypoxic conditioning (IHC) programs consistently produce striking reductions in myocardial infarction and ventricular tachyarrhythmias following coronary artery occlusion and reperfusion, and in many cases, improved contractile function and coronary blood flow. These IHC protocols are fundamentally different from those used to simulate sleep apnea, a recognized cardiovascular risk factor...
April 13, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29623044/long-term-intermittent-work-at-high-altitude-right-heart-functional-and-morphological-status-and-associated-cardiometabolic-factors
#4
Julio Brito, Patricia Siques, Rosario López, Raul Romero, Fabiola León-Velarde, Karen Flores, Nicole Lüneburg, Juliane Hannemann, Rainer H Böger
Background: Living at high altitude or with chronic hypoxia implies functional and morphological changes in the right ventricle and pulmonary vasculature with a 10% prevalence of high-altitude pulmonary hypertension (HAPH). The implications of working intermittently (day shifts) at high altitude (hypobaric hypoxia) over the long term are still not well-defined. The aim of this study was to evaluate the right cardiac circuit status along with potentially contributory metabolic variables and distinctive responses after long exposure to the latter condition...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29556729/role-of-mineralocorticoid-receptors-in-obstructive-sleep-apnea-and-metabolic-syndrome
#5
REVIEW
Badhma Valaiyapathi, David A Calhoun
PURPOSE OF REVIEW: This review will summarize recent developments in the research on the mineralocorticoid receptor and its impact on obstructive sleep apnea and metabolic syndrome. RECENT FINDINGS: Aldosterone excess plays an important role in the association between resistant hypertension and obstructive sleep apnea. The prevalence of obesity is increasing rapidly worldwide and is especially common among patients with obstructive sleep apnea, resistant hypertension, and metabolic syndrome, suggesting probable mechanistic links between these three conditions...
March 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29506683/joint-effects-of-obstructive-sleep-apnea-and-resistant-hypertension-on-chronic-heart-failure-a-cross-sectional-study
#6
Anping Cai, Jiawei Zhang, Rui Wang, Jiyan Chen, Bixia Huang, Yingling Zhou, Ling Wang
BACKGROUND: Obstructive sleep apnea (OSA) and resistant hypertension (RHTN) are two major risk factors of chronic heart failure (CHF) and limited information is available about the joint effects of OSA and RHTN on CHF. METHODS: Baseline data of participants who had completed polysomnography were used in the current study. The relative excess risk due to interaction (RERI) and attributable proportion due to interaction (AP) were calculated, and RERI >0 or AP >0 indicates joint effect of OSA and RHTN on CHF is greater than the sum of estimated effects of OSA alone and RHTN alone...
April 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29497502/association-of-obstructive-sleep-apnea-with-hypertension-a-systematic-review-and-meta-analysis
#7
Haifeng Hou, Yange Zhao, Wenqing Yu, Hualei Dong, Xiaotong Xue, Jian Ding, Weijia Xing, Wei Wang
Background: Obstructive sleep apnea (OSA) is a sleep disorder characterized as complete or partial upper airflow cessation during sleep. Although it has been widely accepted that OSA is a risk factor for the development of hypertension, the studies focusing on this topic revealed inconsistent results. We aimed to clarify the association between OSA and hypertension, including essential and medication-resistant hypertension. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was followed...
June 2018: Journal of Global Health
https://www.readbyqxmd.com/read/29494440/frequency-of-and-factors-associated-with-obstructive-sleep-apnea-and-periodic-limb-movements-in-stroke-and-tia-patients
#8
Gaurav Gadodia, Srikant Rangaraju, Syed A Raza, Ammar Razzak, Labib Marmarchi, Brittaine Davis, Laura Henriquez, Lynn M Trotti, David Rye, Fadi Nahab
INTRODUCTION: Obstructive sleep apnea (OSA) and periodic limb movements (PLMs) have been associated with an increased risk of cardiovascular disease. There is limited data on the relationship between OSA and PLMs with atrial fibrillation and resistant hypertension in stroke and transient ischemic attack (TIA) patients. METHODS: Consecutive stroke and TIA patients referred by a vascular neurologist for diagnostic polysomnography (PSG) from September 1, 2012 to August 31, 2015 were included in a retrospective analysis...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29489985/obstructive-sleep-apnea-syndrome-and-sleep-quality-in-hypertensive-patients
#9
Marcelo Rodrigues Bacci, Jonathan Naim Mora Emboz, Beatriz da Costa Aguiar Alves, Glaucia Luciano da Veiga, Neif Murad, Adriano Meneghini, Antonio Carlos P Chagas, Fernando Luiz Affonso Fonseca
INTRODUCTION: Obstructive sleep apnea and hypopnea syndrome (OSAHS) is one of the developmental factors of high blood pressure (HBP), a relevant global public health problem. OSAHS is characterized by the reduction or complete cessation of respiratory airflow due to intermittent airway collapse. Additionally, significant changes in sleep rhythm and pattern are observed in these patients. OBJECTIVE: To evaluate the association between OSAHS and sleep quality in essential and resistant hypertensives...
December 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29283931/resistance-exercise-training-is-more-effective-than-interval-aerobic-training-in-reducing-blood-pressure-during-sleep-in-hypertensive-elderly-patients
#10
Rodrigo F Bertani, Giulliard O Campos, Diego M Perseguin, José Bonardi, Eduardo Ferriolli, Julio C Moriguti, Nereida K C Lima
An appropriate fall in blood pressure (BP) during sleep is known to be related to a lower cardiovascular risk. The objective of the present study was to compare the effect of different types of training on hypertensive elderly patients under treatment in terms of pressure variability assessed by the nocturnal decline in BP. Hypertensive elderly subjects under pharmacological treatment were randomly assigned to the following groups: 12 weeks of continuous aerobic training (CA), interval aerobic training (IA), resistance training (R), or control (C)...
December 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29276708/association-between-sleep-patterns-and-health-in-families-with-exceptional-longevity
#11
Lavy Klein, Tina Gao, Nir Barzilai, Sofiya Milman
Background: Sleep patterns such as longer sleep duration or napping are associated with poor health outcomes. Although centenarians and their offspring demonstrate a delayed onset of age-related diseases, it is not known whether they have healthier sleep patterns or are protected against the negative effects of sleep disturbances. Methods: Data on sleep patterns and health history were collected from Ashkenazi Jewish subjects of the Longevity Genes Project using standardized questionnaires...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29250231/laser-catheter-ablation-of-long-lasting-persistent-atrial-fibrillation-longterm-results
#12
Helmut Weber, Michaela Sagerer-Gerhardt, Armin Heinze
Catheter ablation of atrial fibrillation (AF) is a current therapeutic option but its efficacy for the treatment of long-lasting persistent AF (l-lpAF) remains suboptimal. We tested the laser method as an alternative for catheter ablation of l-lpAF by using an open-irrigated electrode laser mapping and ablation (ELMA) catheter. Laser ablation was attempted in 48 patients aged 50-81 years (69 ± 7.6 y, female = 28) with drug resistant (3.5 trials) l-lpAF (≥12 months). All of the patients had comorbidities: congestive heart failure NYHA II-III (100%), hypertension 29 (60%), coronary artery disease 19 (40%), and heart valve defect 17 (35%)...
August 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29241747/pathophysiology-of-the-metabolic-syndrome
#13
Emma McCracken, Monica Monaghan, Shiva Sreenivasan
The metabolic syndrome-otherwise called syndrome X, insulin resistance syndrome, Reaven syndrome, and "the deadly quartet"-is the name given to the aggregate of clinical conditions comprising central and abdominal obesity, systemic hypertension, insulin resistance (or type 2 diabetes mellitus), and atherogenic dyslipidemia. It is a prothrombotic and proinflammatory state characterized by increased inflammatory cytokine activity. In addition to inflammatory dermatoses such as psoriasis, lichen planus, and hidradenitis suppurativa, metabolic syndrome is also commonly associated with accelerated atherosclerotic cardiovascular disease, hyperuricemia/gout, chronic kidney disease, and obstructive sleep apnea...
January 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29212081/in-patients-with-chronic-kidney-disease-short-term-blood-pressure-variability-is-associated-with-the-presence-and-severity-of-sleep-disorders
#14
Martino F Pengo, Donatella Ioratti, Valeria Bisogni, Verdiana Ravarotto, Barbara Rossi, Luciana Bonfante, Francesca Simioni, Federico Nalesso, Giuseppe Maiolino, Lorenzo A Calò
BACKGROUND/AIMS: In chronic kidney disease (CKD) patients blood pressure variability (BPV) is associated with poor outcome. Sleep disturbances alter BP profiles in hypertensives but their influence on BPV in CKD patients is unknown. We screened a cohort of CKD/ESRD patients to investigate whether sleep quality impacts on BPV. METHODS: Consecutive CKD patients' sleep quality was assessed using validated questionnaires (Epworth Sleepiness Scale-ESS); International Restless legs scale-IRLS; Functional Outcomes of Sleep Questionnaire-FOSQ: Insomnia Severity Index-ISI; STOP-Bang)...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29211322/perivascular-adipose-tissue-and-the-dynamic-regulation-of-k-v-7-and-k-ir-channels-implications-for-resistant-hypertension
#15
REVIEW
Maik Gollasch, Donald G Welsh, Rudolf Schubert
Resistant hypertension is defined as high blood pressure that remains uncontrolled despite treatment with at least three antihypertensive drugs at adequate doses. Resistant hypertension is an increasingly common clinical problem in older age, obesity, diabetes, sleep apnea, and chronic kidney disease. Although the direct vasodilator minoxidil was introduced in the early 1970s, only recently has this drug been shown to be particularly effective in a subgroup of patients with treatment-resistant or uncontrolled hypertension...
January 2018: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29202496/primary-aldosteronism-and-obstructive-sleep-apnea-is-this-a-bidirectional-relationship
#16
Aleksander Prejbisz, Sylwia Kołodziejczyk-Kruk, Jacques W M Lenders, Andrzej Januszewicz
It has been suggested that the high prevalence of obstructive sleep apnea (OSA) in resistant hypertension (RHT) may be related to the high prevalence of primary aldosteronism (PA) in patients with RHT. It has been also hypothesized that the relationship between aldosterone and OSA might be bidirectional. In patients with RHT, it has been shown that aldosterone levels correlate with severity of OSA and that blockade of aldosterone reduces the severity of OSA. It has been postulated that aldosterone worsens OSA by promoting accumulation of fluid, which shifted in the supine position to the neck, contributes to increased upper airway resistance...
December 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29178489/daily-inspiratory-muscle-training-lowers-blood-pressure-and-vascular-resistance-in-healthy-men-and-women
#17
Claire M DeLucia, Roxanne M De Asis, E Fiona Bailey
NEW FINDINGS: What is the central question of this study? What impact does inspiratory muscle training have on systemic vascular resistance, cardiac output and baroreflex sensitivity in adult men and women? What is the main finding and its importance? Inspiratory muscle training exerts favorable effects on blood pressure, vascular resistance and perception of stress. This exercise format is well-tolerated and equally effective whether implemented in men or women. ABSTRACT: Previous work has shown that inspiratory muscle training (IMT) lowers blood pressure after a mere 6 weeks, identifying IMT as a potential therapeutic intervention to prevent or treat hypertension...
February 1, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29151428/continuous-positive-airway-pressure-in-patients-with-obstructive-sleep-apnea-and-non-alcoholic-steatohepatitis-a-systematic-review-and-meta-analysis
#18
Gonzalo Labarca, Rodrigo Cruz, Jorge Jorquera
STUDY OBJECTIVES: Several studies have reported an association between obstructive sleep apnea (OSA) and several extra-pulmonary issues, such as arterial hypertension and insulin resistance. In recent years, the associations between OSA, non-alcoholic fatty liver disease, and non-alcoholic steatohepatitis (NASH) have been published; however, there is a gap between experimental and clinical studies regarding the efficacy of continuous positive airway pressure (CPAP) treatment in patient populations with these conditions...
November 15, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29114876/translating-carotid-body-function-into-clinical-medicine
#19
Rodrigo Iturriaga
The carotid body (CB) is considered the main O2 chemoreceptor, which contributes to the cardiorespiratory homeostasis and ventilatory acclimatization. In clinical medicine, the most common pathology associated with the CB are tumours. However, a growing body of evidences supports the novel idea that an enhanced CB chemosensory discharge contributes to the autonomic dysfunction and pathological consequences in obstructive sleep apnoea (OSA), hypertension, systolic heart failure (HF) and cardiometabolic diseases...
November 8, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29106789/depression-and-obstructive-sleep-apnea
#20
Milada Hobzova, Jan Prasko, Jakub Vanek, Marie Ociskova, Samuel Genzor, Michaela Holubova, Ales Grambal, Klara Latalova
OBJECTIVE: Obstructive sleep apnea (OSA), is described as intermittent interruptions or reductions in airflow which are initiated by an incomplete or complete collapse of the upper airways despite respiratory effort. When left untreated, OSA is connected with comorbid conditions, such as cardiovascular and metabolic illnesses. METHOD: The PubMed database was used to examine papers published until April 2017 using the subsequent terms: "obstructive sleep apnea" or "obstructive sleep apnoea" and "depression" in successive combination with "CPAP (continuous positive airway pressure)", "therapy", "pharmacotherapy", "psychotherapy", "cognitive behavioral therapy" or "quality of life"...
October 2017: Neuro Endocrinology Letters
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