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https://www.readbyqxmd.com/read/29779139/insomnia-short-sleep-duration-and-high-blood-pressure-recent-evidence-and-future-directions-for-the-prevention-and-management-of-hypertension
#1
REVIEW
Christina J Bathgate, Julio Fernandez-Mendoza
PURPOSE OF REVIEW: To summarize research from the past 2 years on the association between insomnia, short sleep duration, and hypertension and provide a critical analysis of the evidence and suggestions for future directions in this field. RECENT FINDINGS: Evidence indicates that the association between insomnia and elevated blood pressure (BP) or stage 1 and 2 hypertension is stronger in those with chronic insomnia, as compared to those with isolated insomnia symptoms, and primarily found in those with the insomnia with objective short sleep duration phenotype...
May 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29773209/prevalence-and-risk-factors-of-type-2-diabetes-in-insomnia-sufferers-a-study-on-1311-individuals-referred-for-sleep-examinations
#2
Matthieu Hein, Jean-Pol Lanquart, Gwénolé Loas, Philippe Hubain, Paul Linkowski
BACKGROUND: Several studies have investigated the particular relationship between insomnia and type 2 diabetes. However, few studies have investigated the prevalence and risk factors for type 2 diabetes in insomnia sufferers. The aim of this study was to examine the prevalence and risk factors of type 2 diabetes in a large sample of insomnia sufferers. METHODS: Data from 1311 insomnia sufferers recruited from the research database of the Erasme Hospital sleep laboratory were analyzed...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29770919/dl-propargylglycine-protects-against-myocardial-injury-induced-by-chronic-intermittent-hypoxia-through-inhibition-of-endoplasmic-reticulum-stress
#3
Xiufang Zhou, Si Tang, Ke Hu, Zhan Zhang, Pei Liu, Yuchuan Luo, Jing Kang, Lifang Xu
BACKGROUND: Chronic intermittent hypoxia (CIH), an important basis of the pathogenesis of organ damage induced by obstructive sleep apnea syndrome (OSAS), is associated with myocardial injury, such as left ventricular dysfunction, apoptosis, and oxidative stress. Endogenous hydrogen sulfide (H2 S) plays an important role in maintaining cardiovascular functions. Many studies have demonstrated that exogenous H2 S has protective effects against myocardial injury induced by various cardiovascular diseases, and inhibiting the generation of endogenous H2 S has opposite effects...
May 16, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29765510/correlation-between-metabolic-syndrome-and-sleep-apnea
#4
REVIEW
Alejandro Castaneda, Edgar Jauregui-Maldonado, Iqbal Ratnani, Joseph Varon, Salim Surani
The so-called "metabolic syndrome" (MS), constitutes a cluster of metabolic and cardiovascular abnormalities, including fasting glucose, blood pressure, triglycerides, high density lipoprotein cholesterol (HDL-C), and waist circumference that arise from insulin resistance. Obstructive sleep apnea (OSA) syndrome is characterized by recurrent episodes of partial or complete obstruction of the upper airway, involving cessation or significant decreased airflow, with intermittent hypoxemia, frequent arousals from sleep and recurrent oxyhemoglobin desaturations that interfere with normal sleep patterns generating difficulty falling asleep, unrefreshing sleep and loud snoring...
April 15, 2018: World Journal of Diabetes
https://www.readbyqxmd.com/read/29763267/top-20-research-studies-of-2017-for-primary-care-physicians
#5
Mark H Ebell, Roland Grad
Based on systematic surveillance of more than 110 medical journals, 247 studies met criteria as POEMs (patient-oriented evidence that matters) in 2017. Members of the Canadian Medical Association identified 20 of these POEMs as most relevant to practice. This article reviews the clinical questions and bottom-line answers from these studies. Blood pressure should be measured after a period of rest, using a bare arm, and orthostatic blood pressure is more predictive when measured after one minute of standing rather than three minutes...
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29762755/obstructive-sleep-apnea-during-rem-sleep-is-associated-with-early-signs-of-atherosclerosis-in-women
#6
Mirjam Ljunggren, Eva Lindberg, Karl A Franklin, Patrik Öhagen, Marita Larsson, Jenny Theorell-Haglöw, Tord Naessén
Study Objectives: While obstructive sleep apnea (OSA) is associated with overall cardiovascular disease and mortality, the association with atherosclerotic cardiovascular disease is less clear, especially in women. Recently, it has been suggested that OSA during REM sleep, associated with long apneas and deep desaturations, could have severe cardio-metabolic consequences. The aim of this study was to investigate whether OSA during REM sleep is associated with early signs of atherosclerosis in a population-based sample of women...
May 14, 2018: Sleep
https://www.readbyqxmd.com/read/29753541/24-hour-ambulatory-blood-pressure-after-adenotonsillectomy-in-childhood-sleep-apnea
#7
Wei-Chung Hsu, Kun-Tai Kang, Shuenn-Nan Chiu, Wen-Chin Weng, Pei-Lin Lee, Che-Yi Lin
OBJECTIVE: To assess the effects of adenotonsillectomy (T&A) on ambulatory blood pressure (ABP) in childhood obstructive sleep apnea (OSA). STUDY DESIGN: From 2012 to 2017, children aged 4-16 years with symptoms and polysomnography-diagnosed OSA (apnea-hypopnea index [AHI] >1) underwent T&A. PSG studies and 24-hour ABP monitoring were performed before and at 3 months after surgery. RESULTS: In total, 159 children were enrolled (mean age, 7...
May 9, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29746310/beneficial-response-of-blood-pressure-to-short-term-continuous-positive-airway-pressure-in-chinese-patients-with-obstructive-sleep-apnea-hypopnea-syndrome
#8
Xiao Wang, Jian Qiu, Yufeng Wang, Zechuan Cai, Xiaoxia Lu, Taoping Li
BACKGROUND: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is common in people with hypertension and cardiac rhythm disorder. The objectives of this study were to determine the effect of short-term continuous positive airway pressure (CPAP) on blood pressure (BP) and cardiac rhythm in Chinese patients with moderate to severe OSAHS. PATIENTS AND METHODS: Eligible patients in the two hospitals were consecutively enrolled into the prospective study. Ambulatory BP monitoring and Holter monitoring were both performed for 24 h in 214 patients who previously encountered a full night polysomnography...
May 9, 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29742365/association-between-obstructive-sleep-apnea-and-cardiovascular-risk-factors-variation-by-age-sex-and-race-the-multi-ethnic-study-of-atherosclerosis-mesa
#9
Glaucylara Reis Geovanini, Rui Wang, Jia Weng, Nancy S Jenny, Steven Shea, Matthew Allison, Peter Libby, Susan Redline
RATIONALE: The association between obstructive sleep apnea (OSA) and cardiovascular disease (CVD) is complex, bi-directional, and may vary across groups. Understanding what cardiovascular risk factors vary in their relationship to OSA across population groups may improve the knowledge of the OSA-related CVD susceptibility. OBJECTIVE: To better understand the heterogeneity of associations, we assessed whether associations of OSA with cardiovascular risk factors vary by age, sex, and race/ethnicity...
May 9, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29734990/exosomal-cargo-properties-endothelial-function-and-treatment-of-obesity-hypoventilation-syndrome-a-proof-of-concept-study
#10
Rakesh Bhattacharjee, Abdelnaby Khalyfa, Ahamed A Khalyfa, Babak Mokhlesi, Leila Kheirandish-Gozal, Isaac Almendros, Eduard Peris, Atul Malhotra, David Gozal
STUDY OBJECTIVES: Longitudinal studies support the usage of positive airway pressure (PAP) therapy in treating obstructive sleep apnea (OSA) to improve cardiovascular disease. However, the anticipated benefit is not ubiquitous. In this study, we elucidate whether PAP therapy leads to immediate improvements on endothelial function, a subclinical marker of cardiovascular status, by examining the effect of circulating exosomes, isolated from patients before and after PAP therapy, on naive endothelial cells...
April 30, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29719424/heart-rate-phenotypes-and-clinical-correlates-in-a-large-cohort-of-adults-without-sleep-apnea
#11
Zhaoyang Huang, Balaji Goparaju, He Chen, Matt T Bianchi
Background: Normal sleep is associated with typical physiological changes in both the central and autonomic nervous systems. In particular, nocturnal blood pressure dipping has emerged as a strong marker of normal sleep physiology, whereas the absence of dipping or reverse dipping has been associated with cardiovascular risk. However, nocturnal blood pressure is not measured commonly in clinical practice. Heart rate (HR) dipping in sleep may be a similar important marker and is measured routinely in at-home and in-laboratory sleep testing...
2018: Nature and Science of Sleep
https://www.readbyqxmd.com/read/29701198/-a-case-of-severe-obstructive-sleep-apnea-hypopnea-syndrome-with-urinary-and-anal-incontinence
#12
Li Zhou, Ruoyun Ouyang, Ping Chen, Hong Luo, Hanmei Liu, Guiqian Liu
A case of a young male patient, who came to the Second Xiangya Hospital, Central South University because of snoring for 10 years and nocturnal gatism for half month, was analyzed retrospectively. He was diagnosed as obstructive sleep apnea hypopnea syndrome (OSAHS) finally. The patient had been diagnosed and treated as stroke in the local hospital, while urinary and anal incontinence were not relieved. It was a dilemma for him to be properly diagnosed and treated. Polysomnography in our hospital revealed apnea hypopnea index (AHI) at 44...
March 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29696938/analysis-of-osas-incidence-and-influential-factors-in-middle-aged-and-elderly-patients-with-hypertension
#13
Shuang Wang, Xinqing Niu, Peipei Zhang, Dexing Su, Jing Zhang, Wei Liu
BACKGROUND: To investigate the detection rate and influencing factors of obstructive sleep apnea syndrome (OSAS) in middle-aged and elderly patients with hypertension. METHODS: A total of 440 patients with hypertension were selected as the research objects, all of them participated in the Berlin questionnaire survey, and the polysomnography (PSG) was performed on the patients with a high risk of OSAS. The detection rate of OSAS was analyzed, the clinical data between non-OSAS group and OSAS group were compared and stepwise linear regression and Logistic regression were used to analyze the related influencing factors to apnea hyponea index (AHI) and OSAS in hypertensive patients...
April 24, 2018: Minerva Medica
https://www.readbyqxmd.com/read/29682848/the-stop-bang-questionnaire-shows-an-insufficient-specificity-for-detecting-obstructive-sleep-apnea-in-patients-with-atrial-fibrillation
#14
Asmaa M Abumuamar, Paul Dorian, David Newman, Colin M Shapiro
Obstructive sleep apnea (OSA) is a sleep disorder associated with significant cardiovascular comorbidities, including cardiac arrhythmia. The STOP-BANG questionnaire is an eight-item self-report questionnaire designed to screen patients for OSA and was validated in preoperative surgical patients. The STOP items are snoring, daytime tiredness, observed apneas and high blood pressure. The BANG items are body mass index >35 kg/m2 , age >50 years, neck circumference >40 cm and male gender. We aimed to determine the screening properties of the STOP-BANG questionnaire in patients with arrhythmia...
April 22, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29682268/polysonographical-evaluation-in-a-case-of-moderate-osas-treated-with-mandibular-advancement-device
#15
A Venditti, M Basili, F M Ragazzoni, A Barlattani, P Bollero
Background: The Obstructive Sleep Apnea Syndrome (OSAS) is a clinical picture characterized by partial or complete obstruction of the upper airway during sleep, associated with a reduction of oxygen saturation in the blood.The most common symptoms are: apnea sleep, snoring, headache, sleepiness, reduced concentration and memory, irritability, increased blood pressure and dry mouth. Materials and methods: It was examinated a not-smoker man of 54 years that suffers of roncophaty...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29676798/afferent-neural-feedback-overrides-the-modulating-effects-of-arousal-hypercapnia-and-hypoxemia-on-neonatal-cardio-respiratory-control
#16
Kathleen J Lumb, Jennifer M Schneider, Thowfique Ibrahim, Anita Rigaux, Shabih U Hasan
KEY POINTS: Evidence at whole animal, organ-system, and cellular and molecular levels suggests that afferent volume feedback is critical for establishment of adequate ventilation at birth. Due to the irreversible nature of vagal ablation studies to date, it was difficult to quantify the roles of afferent volume input, arousal and changes in blood gas tensions on neonatal respiratory control. During reversible perineural vagal block, profound apneas, and hypoxemia and hypercarbia were observed necessitating termination of perineural blockade...
April 20, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29676667/evaluating-the-clinical-value-of-the-hypoxia-burden-index-in-patients-with-obstructive-sleep-apnea
#17
Fengwei Chen, Kun Chen, Cheng Zhang, Xue Chen, Junjun Huang, Peng Jia, Jing Ma, Jue Zhang, Jing Fang, Guangfa Wang
PURPOSE: We aimed to develop a novel index, the hypoxia burden index (HBI), that reflects the degree and duration of oxygen desaturation, and to determine whether this index is better than the apnea hypopnea-index (AHI) for evaluating obstructive sleep apnea (OSA) and cardiovascular diseases morbidities. METHODS: We retrospectively analyzed 459 adult subjects who underwent overnight polysomnography (PSG) in this study. The HBI was calculated by dividing the total desaturation area of SpO2 below 90% by the TST measured in seconds...
April 20, 2018: Postgraduate Medicine
https://www.readbyqxmd.com/read/29667182/breathing-regulation-and-blood-gas-homeostasis-after-near-complete-lesions-of-the-retrotrapezoid-nucleus-in-adult-rats
#18
George M P R Souza, Roy Kanbar, Daniel S Stornetta, Stephen B G Abbott, Ruth L Stornetta, Patrice G Guyenet
The retrotrapezoid nucleus (RTN) is one of several CNS nuclei that contribute, in various capacities (e.g. CO2 detection, neuronal modulation) to the central respiratory chemoreflex (CRC). Here we test how important the RTN is to PCO2 homeostasis and breathing during sleep or wake. RTN Nmb positive neurons were killed with targeted microinjections of substance-P-saporin conjugate in adult rats. Under normoxia, rats with large RTN lesions (92 ± 4 % cell loss) had normal blood pressure (BP) and arterial pH but were hypoxic (-8 mmHg PaO2 ) and hypercapnic (+10 mmHg PaCO2 )...
April 18, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29667019/what-is-new-in-heart-failure-management-in-2017-update-on-acc-aha-heart-failure-guidelines
#19
REVIEW
Biykem Bozkurt
PURPOSE OF REVIEW: The goal of this paper is to provide a summary of the new recommendations in the most recent 2017 ACC/AHA/HFSA Focused Update of the 2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Failure Society of America. The intent is to provide the background and the supporting evidence for the recommendations and to provide practical guidance for management strategies in treatment of heart failure patients...
April 17, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29664672/primary-care-physicians-can-comprehensively-manage-sleep-apnea-patients-a-non-inferiority-randomized-controlled-trial
#20
M Ángeles Sánchez-Quiroga, Jaime Corral, Francisco J Gómez-de-Terreros, Carmen Carmona-Bernal, M Isabel Asensio-Cruz, Marta Cabello, M Ángeles Martínez-Martínez, Carlos J Egea, Estrella Ordax, Ferran Barbe, Javier Barca, Juan F Masa
RATIONALE: General practitioners play a passive role in obstructive sleep apnea (OSA) management. Simplification of the diagnosis and use of a semi-automatic algorithm for treatment can facilitate the integration of general practitioners, which has cost advantages. OBJECTIVE: To determine differences in effectiveness between primary healthcare area (PHA) and in-hospital specialized management protocols during six months of follow-up. METHOD: A multicenter, non-inferiority, randomized, controlled trial with two open parallel arms and a cost-effectiveness analysis was performed in six tertiary hospitals in Spain...
April 17, 2018: American Journal of Respiratory and Critical Care Medicine
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