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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 5-year-old boy was admitted to our hospital because of severe obesity and disordered breathing with snoring during sleep. Child OHS was diagnosed using polysomnography (PSG). Although he was treated initially with nasal CPAP, it was not acceptable to him. BiPAP produced marked reduction of the respiratory disorders during sleep, as confirmed by PSG. Few reports of BiPAP for child OHS have appeared in Japan. We concluded that child OHS could be successfully treated with BiPAP when nasal CPAP was not acceptable.
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PMID:[A case of child obesity hypoventilation syndrome (OHS) improved by bi-level positive airway pressure (BiPAP)]. 1453 7

There is a very high prevalence of OSA in obese individuals and a high prevalence of obesity in patients with OSA. The pathophysiology of OSA is intimately linked to obesity. Anatomic and functional considerations of the pharyngeal airway, the CNS, central obesity, and leptin likely interact in the development of OSA in obese individuals. OSA may itself predispose individuals to worsening obesity because of sleep deprivation, daytime somnolence, and disrupted metabolism. The diagnosis of OSA requires the clinician's awareness of its potential to cause a spectrum of acute and chronic neurocognitive, psychiatric, and nonspecific symptoms in patients who may be unaware that their sleep is disturbed. Symptoms and examination findings help predict which obese individuals have OSA, and polysomnography is the gold standard by which to make the diagnosis and assess the effects of treatment. Numerous disease states are associated with both OSA and obesity, and it is becoming clear that the relationships are mediated by complex interrelated mechanisms. Common diseases and disease mechanisms in OSA and obesity suggest that conditions related to obesity may be better managed if patients, particularly those who are morbidly obese, are evaluated and treated for previously undiagnosed OSA. OSA is cured in only specific cases with craniofacial or upper airway surgery, and the general application of UVP is not efficacious. OSA also can be cured with sufficient lifestyle-mediated or surgical weight loss; however, in the absence of long-term weight maintenance, OSA returns with weight gain. Although not curative, nasal CPAP is the initial treatment of choice for most patients because of its noninvasive approach and technical efficacy. It is limited, however, by patient acceptance and long-term compliance. Advances in mask comfort and use of humidified air should increase its acceptance. Future management strategies include newer generations of positive airway devices that automatically titrate pressures (which are not yet recommended by expert organizations) and multidisciplinary approaches to managing the care of patients with OSA.
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PMID:Obesity and obstructive sleep apnea. 1471 Oct 66

OSAHS should be an expected condition in many patients encountered by primary care providers. The diagnosis may arise because of patient daytime dysfunction, partner prompting, or in the course of managing comorbidities adversely influenced by the hemodynamic, neural, humoral,and inflammatory consequences of repetitive desaturations and arousals.OSAHS should be suspected in patients who exhibit habitually loud snoring, witnessed apneas/choking/gasping during sleep, hypertension, neck circumferences of 17 inches or greater, obesity, and laterally narrowed oropharynxes. Diagnosis is established by polysomnography. CPAP is the treatment of choice for most patients. Education, follow-up, and heated humidification may help bolster compliance. Lifestyle modifications, oral appliances, and upper surgeries are additional treatment options.
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PMID:Obstructive sleep apnea-hypopnea syndrome. 1593 89

During 2004, in the Center for Sleep Disorders, a questionnaire including Epworth sleepiness scale (ES) was administered to 120 subjects; 20 male subjects of this group with elevated score (ES >14) were selected and submitted to polysomnography. Subjects, all in working age, were represented by 3 (15%) shift-workers, 9 (45%) drivers, 17 (85%) industrial workers (among those 5 building workers) and 3 (15%) employers. By polysomnography, moderatelsevere OSAHS was diagnosed in all subjects (40% moderate, 60% severe). CPAP (Continuous Positive Airway Pressure) therapy led to an improvement of clinical symptoms since the first month. Counselling of Occupational Medicine Physician with the Center for Sleep Disorders, was useful to direct the action of Competent Doctor, especially for jobs requiring high vigilance (drivers or shift-worker). The pass certificate for jobs with an high risk (alone, in high places, heavy means drivers) cannot avoid to evaluate this pathology, that is often associated to other related risk factors (obesity, hypertension, diabetes), because it compromises both the specific suitability and the protection of common health and safety.
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PMID:[Breathing sleep disturbances and occupational medicine: study of 20 clinical cases]. 1624 May 97

Obstructive sleep apnea syndrome (OSAS) is part of a metabolic syndrome, whose main aspects are obesity, hypertension and diabetes, already incriminated for cardiovascular events. The evaluation of the effect of OSAS on the hormonal profile of patients shows a number of complex interactions that preclude the exact role of this syndrome among the numerous derangements on hormone levels as well as the effect of continuous positive airway pressure treatment, since many of the changes are known to occur with obesity as well. The clarification of the exact role and the mechanisms underlying these changes will help to stratify the cardiovascular and other health risks of this syndrome as well as the better application of CPAP therapy.
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PMID:The metabolic aspects and hormonal derangements in obstructive sleep apnoea syndrome and the role of CPAP therapy. 1727 35

Gastroesophageal reflux disease (GERD) is a common cause of chronic cough, heartburn, epigastric or retrosternal discomfort, chest pain and abdominal pain or esophagitis. Our patients with OSAS seldom manifest GERD symptoms. We suspected that obesity and high pressure in abdominal cavity may induce acid gastroesophageal reflux in these patients. The aim of the study was to test the hypothesis that obesity, cigarettes smoking or ventilatory and gas exchange abnormalities provoke GERD. We studied 21 consecutive patients with severe OSAS (mean AHI 44.9+/-23.8) before CPAP treatment, all without GERD clinical symptoms. Standard polysomnography, gastroscopy and 24-h oesophageal pH monitoring was performed. There were 6 females, 15 males, mean age 57+/-9 years, mean BMI 38+/-6 kg/m2. All patients presented with normal spirometric and gas exchange values (mean VC 3.64+/-1.23 1, 90% of normal, mean FEV1 2.61+/-0.95 1, 83% of normal, mean FEV1%VC 72%, mean PaO2 68.1+/-7.7 mmHg, mean PaCO2 40.8+/-5.8 mmHg, mean pH 7.42+/-0.02). GERD was diagnosed in 14 patients. Patients with GERD were younger, more often were cigarettes smokers (5/14). We did not fi nd statistically significant differences between severity of OSAS, BMI, ventilatory or gas exchange parameters and GERD.
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PMID:[Gastroesophageal reflux disease (GERD) in patients with obstructive sleep apnoea syndrome (OSAS)]. 1742 43

We studied 44-year old man with heart failure (ejection fraction -25%). Obesity, arterial hypertension, snoring and excessive daytime sleepiness suggested concomitant obstructive sleep apnoea. Limited polysomnography with Polymesam revealed typical Cheyne-Stokes respiration with mainly central apnoeas (RDI=48/hour). We did not find any obstructive episodes during sleep study. Patient responded to CPAP therapy and apnoea hypopnoe index decreased to 12/hour on 8 mbar pressure.
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PMID:[Central sleep apnoea (CSA) in male with heart failure]. 1742 54

Mechanical ventilation has become an important treatment option in chronic ventilatory failure. There are different diseases which lead to ventilatory failure and to home mechanical ventilation (HMV). A primary loss of in- and expiratory muscle strength is the reason for respiratory deterioration in neuromuscular disease. In most of these diseases ventilatory failure develops because of the progressive character of muscular damage. Initially, ventilatory failure can be found during night-time. In the case of hypercapnia at daytime, life expectancy is strongly reduced, especially in amyotrophic lateral sclerosis and Duchenne muscular dystrophy. HMV leads to a prolongation of life and to an increase in quality of life, if bulbar involvement is not severe. Impressive clinical improvements under HMV have been found in restrictive disorders of the rib cage like kyphoscoliosis or posttuberculosis sequelae, with an increase of quality of life, walking distance and a decrease in pulmonary hypertension. Only few data are published about long-term results of HMV in Obesity Hypoventilation. In terms of retrospective analyses of clinical data HMV seems to improve survival in this population. Some patients only need CPAP treatment, but most patients have to be treated with ventilatory support. The application of HMV in patients with chronic ventilatory failure due to chronic obstructive pulmonary disease (COPD) is growing, but there are controversial results in randomised clinical trials. Analysis of these data suggest better results of HMV in patients with severe hypercapnia, with the application of higher effective ventilatory pressure and a ventilator mode with a significant reduction in the work of breathing. Under such conditions HMV leads to a reduction of hypercapnia, an improvement in sleep quality, walking distance and quality of life, but until now there is no evidence in reduction of mortality in COPD.
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PMID:[Mechanical ventilation in chronic ventilatory insufficiency]. 1762 Feb 31

After 7 years after the opening of the first somnography laboratory in Romania and screening of over 700 patients addressed for identification or therapy of SAS we managed to compare the group of pts with this disease to those in which the disease was not confirmed. Usually, disease was diagnosed in severe stages, there was a dominance of association with some well known risk factors: obesity, diabetes mellitus, male sex. Our study demonstrates a lack of education in patient level but also in physician level to provide CPAP as treatment due to lack of coverage by the Medical Insurance and high price of this kind of ventilatory assistance.
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PMID:[Specifics of identifying patients with sleep apnea syndrome (SAS) in Romania]. 1821 Jul 15

Metabolic syndrome, i. e., the combined occurrence of obesity, arterial hypertension, insulin resistance and dyslipidaemia (increased triglycerides, reduced HDL cholesterol), is associated with a marked increase in cardiovascular risk. The prevalence of metabolic syndrome in patients with obstructive sleep apnoea (OSA) is very high. Obesity is the main risk factor for OSA and OSA itself is now considered to be the most frequent cause of secondary arterial hypertension. Due to the confounding influence of obesity, the causal connection between OSA and metabolic disturbances is less well established, however, epidemiological data are at least in favour of an independent link between OSA and insulin resistance. It is known that CPAP therapy can ameliorate OSA-associated hypertension. In contrast, the effects of CPAP treatment on insulin resistance and dyslipidaemia have to be further elucidated by large, randomised interventional trials.
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PMID:[Obstructive sleep apnoea and metabolic syndrome]. 1827 31


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