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sleep obstructive apnea and obesity

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https://www.readbyqxmd.com/read/28100362/-severe-obstructive-sleep-apnea-hypopnea-syndrome-with-dilated-cardiomyopathy-leading-to-pulmonary-hypertension-case-report-and-literature-review
#1
R K Chen, C Hong, Y M Zhou, A L Kuang, Y T Zhang, S M Qing, C L Liu, N F Zhang
Objective: To study the relationship between dilated cardiomyopathy and obstructive sleep apnea-hypopnea syndrome (OSAHS) and to evaluate the curative effects of continuous positive airway pressure (CPAP) in OSAHS complicated with dilated cardiomyopathy. Methods: We reported one case with the symptom of exertional dyspnea for 1 year and aggravating for 1 month. The patient finally was diagnosed with severe OSAHS complicated with dilated cardiomyopathy leading to pulmonary hypertension. A systematic literature review was performed for similar published cases in Pubmed, Wanfang and CNKI database, using the keywords (obstructive sleep apnea) OR(OSA) OR(OSAHS) AND(dilated cardiomyopathy OR DCM)from January 1990 to May 2016...
January 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28095969/body-fat-distribution-ratios-and-obstructive-sleep-apnea-severity-in-youth-with-obesity
#2
Amy Glicksman, Stasia Hadjiyannakis, Nicholas Barrowman, Scott Walker, Lynda Hoey, Sherri Lynne Katz
STUDY OBJECTIVES: Obesity and regional fat distribution, measured by neck fat mass percentage using dual-energy X-ray absorptiometry (DXA), correlate with obstructive sleep apnea (OSA) severity in adults. In obese children, neck-to-waist-circumference ratio predicts OSA. This study examined associations between body fat percentage and distribution and sleep-disordered breathing (SDB) severity in obese youth, measured with DXA. METHODS: Cross-sectional retrospective study conducted at a tertiary children's hospital...
January 11, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28090638/late-gestational-intermittent-hypoxia-induces-metabolic-and-epigenetic-changes-in-male-adult-offspring-mice
#3
Abdelnaby Khalyfa, Rene Cortese, Zhuanhong Qiao, Honggang Ye, Riyue Bao, Jorge Andrade, David Gozal
Pregnancy, particularly late gestation, has been associated with a relatively high prevalence of obstructive sleep apnea (OSA). Intermittent hypoxia (IH), a hallmark of OSA, could impose significant long-term effects on somatic growth, energy homeostasis, and metabolic function in offspring. We hypothesized that IH during late pregnancy (LG-IH) may increase the propensity for metabolic dysregulation and obesity in adult offspring via epigenetic modifications. Time-pregnant female C57BL/6 mice were exposed to LG-IH or room air (LG-RA) during days 13-18 of gestation...
January 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28081532/cardiovascular-events-in-moderately-to-severely-obese-obstructive-sleep-apnea-patients-on-positive-airway-pressure-therapy
#4
Anna Maria Marotta, Jean-Christian Borel, Louis M Galerneau, Renaud Tamisier, Maria R Bonsignore, Jean Louis Pépin
BACKGROUND: In moderately to severely obese patients with obstructive sleep apnea (OSA), the effects of long-term positive airway pressure (PAP) treatment on cardiovascular risk are poorly defined. PURPOSE: To assess the effect of continuous positive airway pressure (CPAP) or noninvasive ventilation (NIV) on the occurrence of cardiovascular events in obese OSA patients. METHODS: We performed a noninterventional observational study in obese OSA patients recruited between 2007 and 2010 at the Sleep Center, University of Grenoble, treated with CPAP or NIV, and followed for 5...
January 13, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28078997/lipoprotein-a-and-cardiovascular-risk-the-show-must-go-on
#5
Niki Katsiki, Khalid Al-Rasadi, Dimitri P Mikhailidis
Lipoprotein (a) [Lp(a)] is an independent but moderate, predictor for coronary heart disease (CHD) prevalence and severity. Several established and emerging cardiovascular (CV) risk factors including age, gender, ethnicity, smoking, dyslipidemia, hypertension, obesity, type 2 diabetes mellitus, alcohol consumption, arterial stiffness and hyperuricemia have been linked to Lp(a) metabolism. Apart from CHD, Lp(a) has been also associated with non-cardiac vascular diseases and diseases associated with increased CV risk such as chronic kidney disease, metabolic syndrome, non-alcoholic fatty liver disease, erectile dysfunction, obstructive sleep apnea syndrome, inflammatory bowel diseases and human immunodeficiency virus infection...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28070780/laparoscopic-sleeve-gastrectomy-in-adolescents-with-or-without-syndromic-obesity-two-years-follow-up
#6
Angelo Iossa, Francesco De Peppo, Romina Caccamo, Brad Michael Watkins, Francesca Abbatini, Emanuela Ceriati, Gianfranco Silecchia
INTRODUCTION: Childhood obesity is an emerging health problem. Surgical treatment of obese adolescents, particularly those affected by congenital syndrome, represents a controversial issue. The aim of this multicenter study was to retrospectively assess the results of laparoscopic sleeve gastrectomy (LSG) in a cohort of adolescents affected by morbid obesity, with or without congenital syndromes. MATERIALS AND METHODS: Forty-one obese (BMI 49 ± 6 kg/m(2)) adolescents with mean age of 16 ± 3 years (58...
January 9, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28065514/review-of-childhood-obesity-from-epidemiology-etiology-and-comorbidities-to-clinical-assessment-and-treatment
#7
REVIEW
Seema Kumar, Aaron S Kelly
Childhood obesity has emerged as an important public health problem in the United States and other countries in the world. Currently 1 in 3 children in the United States is afflicted with overweight or obesity. The increasing prevalence of childhood obesity is associated with emergence of comorbidities previously considered to be "adult" diseases including type 2 diabetes mellitus, hypertension, nonalcoholic fatty liver disease, obstructive sleep apnea, and dyslipidemia. The most common cause of obesity in children is a positive energy balance due to caloric intake in excess of caloric expenditure combined with a genetic predisposition for weight gain...
January 5, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28051892/what-is-the-role-of-bariatric-surgery-in-the-management-of-obesity
#8
E Panteliou, A D Miras
Diet, exercise, cognitive behavioral therapy and pharmacotherapy are some of the means of assisting patients to lose weight, with bariatric surgery being the most effective. Over the last two decades, the increased awareness of the systemic benefits of bariatric surgery, as well as the improved safety and the wider use of the laparoscopic approach, has made bariatric surgery flourish. In the United Kingdom, the adjustable gastric band (10%), vertical sleeve gastrectomy (37%) and Roux-en-Y gastric bypass (45%) are the three most common procedures...
January 4, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28040612/association-of-obstructive-sleep-apnea-with-adverse-pregnancy-related-outcomes-in-military-hospitals
#9
Dennis L Spence, Rhonda C Allen, Monica A Lutgendorf, Virginia R Gary, John D Richard, Sara C Gonzalez
BACKGROUND: Obstructive sleep apnea (OSA) is associated with significant morbidity and mortality in non-obstetrical and obstetrical patients. OBJECTIVES: To estimate the prevalence of OSA and its relationship with pregnancy-related complications in a general obstetric population of Department of Defense beneficiaries receiving direct-care at military treatment facilities. STUDY DESIGN: A retrospective cohort study of all women (N=305,001) who gave birth at a military treatment facility from 2008 to 2014...
December 14, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28030556/hepatocyte-hypoxia-inducible-factor-1-mediates-the-development-of-liver-fibrosis-in-a-mouse-model-of-nonalcoholic-fatty-liver-disease
#10
Omar A Mesarwi, Mi-Kyung Shin, Shannon Bevans-Fonti, Christina Schlesinger, Janet Shaw, Vsevolod Y Polotsky
BACKGROUND: Obstructive sleep apnea (OSA) is associated with the progression of non-alcoholic fatty liver disease (NAFLD) to steatohepatitis and fibrosis. This progression correlates with the severity of OSA-associated hypoxia. In mice with diet induced obesity, hepatic steatosis leads to liver tissue hypoxia, which worsens with exposure to intermittent hypoxia. Emerging data has implicated hepatocyte cell signaling as an important factor in hepatic fibrogenesis. We hypothesized that hepatocyte specific knockout of the oxygen sensing α subunit of hypoxia inducible factor-1 (HIF-1), a master regulator of the global response to hypoxia, may be protective against the development of liver fibrosis...
2016: PloS One
https://www.readbyqxmd.com/read/28029756/when-and-why-to-treat-the-child-who-snores
#11
Hui-Leng Tan, Maria Luz Alonso Alvarez, Marina Tsaoussoglou, Silke Weber, Athanasios G Kaditis
Obstructive sleep-disordered breathing (SDB) can result in cardiovascular and neurocognitive morbidity as well as adversely affect behavior, growth, quality of life, and nocturnal continence. This article summarizes the latest evidence regarding the morbidity related to obstructive SDB, commenting on the impact of severity of obstruction, that is, the difference in effects seen of moderate to severe obstructive sleep apnea syndrome (OSAS) compared to those of mild OSAS or primary snoring. The impact of therapy is discussed, focusing on which children are likely to benefit from treatment interventions; namely those with moderate or severe OSAS irrespective of the presence of morbidity, children with mild OSAS with associated morbidity or predictors of SDB persistence such as obesity, and children with complex conditions accompanied by upper airway obstruction like craniosynostosis and Prader-Willi syndrome...
December 28, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28029598/perioperative-outcome-of-laparoscopic-sleeve-gastrectomy-for-high-risk-patients
#12
Yves Borbély, Olivier Juilland, Julia Altmeier, Dino Kröll, Philipp C Nett
BACKGROUND: Morbidly obese patients with excessive concomitant disease carry a significantly increased perioperative risk. Although they may benefit most from a bariatric intervention, they are often denied surgery. Laparoscopic sleeve gastrectomy (LSG), as it is less complication-prone than other bariatric procedures, suits the needs of those patients. OBJECTIVE: To review the short-term outcome of LSG for high-risk patients SETTING: University hospital, Switzerland...
August 26, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28012537/risk-of-failure-of-adenotonsillectomy-for-obstructive-sleep-apnea-in-obese-pediatric-patients
#13
C J Lennon, R Y Wang, A Wallace, S Chinnadurai
INTRODUCTION: Pediatric obesity is a leading risk factor for obstructive sleep apnea (OSA), a condition commonly treated with adenotonsillectomy (T&A). It has been hypothesized that obesity increases a child's risk of failing T&A for OSA, however this relationship has not yet been quantified. The primary objective of this study was to investigate the relationship between obesity as measured by perioperative Body Mass Index (BMI) and persistent OSA following T&A as measured by polysomnography (PSG)...
January 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28007354/gut-epithelial-barrier-markers-in-patients-with-obstructive-sleep-apnea
#14
Antonia Barceló, Cristina Esquinas, Juan Robles, Javier Piérola, Mónica De la Peña, Irene Aguilar, Daniel Morell-Garcia, Alberto Alonso, Nuria Toledo, Manuel Sánchez-de la Torre, Ferran Barbé
BACKGROUND: Obstructive sleep apnea (OSA) is now being recognized as an additional contributing factor to the pathogenesis of obesity-related comorbidities. At the same time, there is now increasing evidence to suggest that intestinal wall permeability plays a role in the development of metabolic syndrome. In the present study, circulating zonulin and fatty acid binding protein (I-FABP) were measured in association with metabolic, hepatic, and inflammatory parameters. RESULTS: Compared with controls, plasma I-FABP levels were significantly higher in patients with OSA (571 pg/mL [IQR 290-950] vs 396 pg/mL [IQR 234-559], p = 0...
October 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27998381/who-needs-oxygen-with-positive-airway-pressure-therapy
#15
Susmita Chowdhuri, Abdulghani Sankari, James A Rowley
The diagnosis and management of obstructive sleep apnea (OSA) are increasingly being performed in the home. In the home management pathway, patients with high pretest probability for OSA are first tested using home sleep apnea testing and if positive for OSA, are treated with automatic positive airway pressure (APAP). The home management pathway has been validated by multiple investigators1-3 and is considered an alternative pathway in guidelines for the evaluation and management of OSA.4 However, there are limitations to the routine use of this pathway...
December 16, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27976438/insomnia-complaints-in-lean-patients-with-obstructive-sleep-apnea-negatively-affect-positive-airway-pressure-treatment-adherence
#16
Bjorg Eysteinsdottir, Thorarinn Gislason, Allan I Pack, Bryndís Benediktsdottir, Erna S Arnardottir, Samuel T Kuna, Erla Björnsdottir
The objective of this study was to evaluate the determinants of long-term adherence to positive airway pressure treatment among patients with obstructive sleep apnea, with special emphasis on patients who stop positive airway pressure treatment within 1 year. This is a prospective long-term follow-up of subjects in the Icelandic Sleep Apnea Cohort who were diagnosed with obstructive sleep apnea between 2005 and 2009, and started on positive airway pressure treatment. In October 2014, positive airway pressure adherence was obtained by systematically evaluating available clinical files (n = 796; 644 males, 152 females) with moderate to severe obstructive sleep apnea (apnea-hypopnea index ≥15 events per h)...
December 15, 2016: Journal of Sleep Research
https://www.readbyqxmd.com/read/27973930/comorbidities-and-subgroups-of-patients-surviving-severe-acute-hypercapnic-respiratory-failure-in-the-icu
#17
Dan Adler, Jean-Louis Pépin, Elise Dupuis-Lozeron, Katerina Espa-Cervena, Roselyne Merlet-Violet, Hajo Muller, Jean-Paul Janssens, Laurent Brochard
RATIONALE: No methodical assessment of the lung, cardiac and sleep function of patients surviving an acute hypercapnic respiratory failure episode requiring admission to the intensive care unit (ICU) has been reported in the literature. OBJECTIVES: To prospectively investigate the prevalence and impact of comorbidities in patients treated by mechanical ventilator support (invasive or non-invasive) for acute hypercapnic respiratory failure in the ICU. METHODS: Seventy-eight consecutive patients admitted for an episode of acute hypercapnic respiratory failure underwent an assessment of lung, cardiac and sleep function by pulmonary function tests, transthoracic echocardiography and polysomnography 3 months after ICU discharge...
December 14, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27965894/bariatric-surgery-polycystic-ovary-syndrome-and-infertility
#18
REVIEW
James Butterworth, Jean Deguara, Cynthia-Michelle Borg
Background. Polycystic ovary syndrome (PCOS) is the commonest cause of female infertility. Visceral obesity and insulin resistance are key pathophysiological mechanisms behind PCOS. Women suffering from this syndrome and infertility often seek bariatric surgery hoping that they would be able to conceive postoperatively. Objective. At present, there is no consensus on the role of bariatric surgery in the management of PCOS-associated infertility within the medical community, making it difficult to give specific advice to these women, so a review of the literature was necessary...
2016: Journal of Obesity
https://www.readbyqxmd.com/read/27964863/vitamin-d-status-of-male-osas-patients-improved-after-long-term-cpap-treatment-mainly-in-obese-subjects
#19
Claudio Liguori, Francesca Izzi, Nicola Biagio Mercuri, Andrea Romigi, Alberto Cordella, Umberto Tarantino, Fabio Placidi
OBJECTIVE: The aim of this study was to evaluate the effect of one-year useful continuous positive airway pressure (CPAP) treatment on serum vitamin D levels in middle-aged men affected by obstructive sleep apnea syndrome (OSAS). METHODS: This is a secondary investigation related to a previously published observational study about the effect of short-term CPAP therapy on serum vitamin D levels in severe OSAS (Apnea-Hypopnea Index - AHI- >30/h) patients. In the present study, we included patients participating to the previous investigation who repeated serum vitamin D assessment after one year of useful CPAP treatment, and compared to control a group of OSAS patients with scarce compliance to CPAP treatment...
November 3, 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27956942/obesity-and-hypertensive-heart-disease-focus-on-body-composition-and-sex-differences
#20
REVIEW
Giovanni de Simone, Costantino Mancusi, Raffaele Izzo, Maria Angela Losi, L Aldo Ferrara
There is evidence that hypertension is frequently associated with overweight/obesity even in kids and adolescents. Either conditions influence development of left ventricular (LV) hypertrophy (LVH), through different biological and hemodynamic mechanisms: obesity is conventionally thought to elicit a coherent growth of LV chamber dimensions and myocardial wall thickness (eccentric LV geometry), whereas a more accentuated increase in wall-thickness (concentric LV geometry) is attributed to hypertension. While during youth these differences are visible, proportion of LV concentric geometry, the most harmful LV geometric pattern, sharply raises in obese individuals during middle age, and becomes the most frequent geometric patterns among obese-hypertensive individuals...
2016: Diabetology & Metabolic Syndrome
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