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 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Langerhans Cell Histiocytosis (LCH) is a rare disorder with a great variety of clinical manifestations. The purpose of this retrospective study was to evaluate the pattern and the long-term course of clinical, laboratorial and radiological findings in pediatric-onset LCH. We reviewed 46 children with histological diagnosis of LCH. Ten children (22%) showed endocrine disorders. Central diabetes insipidus (DI) was observed in all ten patients; GH deficiency was confirmed in four and hypogonadism in two children. There were no adrenal, prolactin or thyroid axis abnormalities. Obesity was observed in three patients. Eight patients showed soft tissue infiltration and five bone involvement. The MRI showed a lack of posterior pituitary bright spot in all DI patients; infundibular infiltration (II) associated or not with sellar or supra-sellar mass was observed in 4 patients. We conclude that the investigation of LCH, a multi-systemic disease, should include central nervous system images. The presence of II and/or DI should raise the diagnosis of LCH. Complete endocrine evaluation, allowing an early hormone therapy, is required to obtain a better quality of life in children with LCH.
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PMID:Endocrine disorders in pediatric - onset Langerhans Cell Histiocytosis. 1711 2

The prevalence of obesity has increased substantially over the past decades in most industrialized countries. Obesity is a systemic disease that predisposes to a variety of co-morbidities and complications that affect overall health. Cross-sectional studies suggest that obesity is also associated with oral diseases, particularly periodontal disease, and prospective studies suggest that periodontitis may be related to cardiovascular disease. The possible causal relationship between obesity and periodontitis and potential underlying biological mechanisms remain to be established; however, the adipose tissue actively secretes a variety of cytokines and hormones that are involved in inflammatory processes, pointing toward similar pathways involved in the pathophysiology of obesity, periodontitis, and related inflammatory diseases. We provide an overview of the definition and assessment of obesity and of related chronic diseases and complications that may be important in the periodontist's office. Studies that have examined the association between obesity and periodontitis are reviewed, and adipose-tissue-derived hormones and cytokines that are involved in inflammatory processes and their relationship to periodontitis are discussed. Our aim is to raise the periodontist's awareness when treating obese individuals.
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PMID:Obesity, inflammation, and periodontal disease. 1745 58

Laminitis is a systemic disease which is manifested as a non infectious condition in the foot. The management of feeding and housing conditions is necessary to treat the endocrinological and metabolic disturbances of laminitic horses. The Equine Metabolic Syndrome (EMS) is predisposing for developing laminitis, and it is characterised by obesity, insulin resistance, hypertension and dyslipidaemia. A genetical predisposition is supposed and EMS is accompanied by a lack of exercise and inadequate energy intake. Laboratory examinations are of great importance for diagnosis. Analyses of insulin, glucose and ACTH are of interest. Several approaches to treat laminitis are available, including pharmacological and orthopaedic strategies as well as the management of the feeding and housing conditions. However, the prophylaxis to prevent laminitis has to be emphasised. Predisposed horses should be detected and adequately treated; especially weight reduction in obese horses is in the focus of interest. Horses in the acute stage of laminitis have to be stabled. Furthermore redistributing weight from the most stressed wall is necessary to prevent pain and to minimise laminar damage and displacement of the distal phalanx. In cases of displacement of the distal phalanx a close communication between the veterinarian and the authorised farrier is necessary, in these cases treatment should be supported by x-ray diagnosis. Horses have to be treated with NSAISs to ensure a proper therapy to consider animal welfare. Horses have to be fed with hay and supplemented with minerals and vitamins. Feeding exclusively straw and feed restriction has to be avoided.
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PMID:[Animal welfare in prevention and therapy of laminitis]. 1844 67

Atherosclerotic cardiovascular disease is the leading cause of morbidity and mortality in the United States, and the obesity epidemic combined with aging of the population seems destined to increase the burden of this disease. Traditional cardiovascular risk assessment accounts for <50% of the variability in risk in the United States. Therefore, better and more effective identification of persons at high cardiovascular risk is needed. Our understanding of atherosclerosis has shifted from a focal disease whose hallmark is symptoms caused by a severe stenosis to a systemic disease characterized by endothelial dysfunction (ED) and plaque inflammation, with the potential for rupture and thrombosis mainly in those with subcritical stenosis. Under the new paradigm, clinicians require updated strategies to better assess the quality of arterial plaque. Effective tools for primary and secondary prevention of heart attack and stroke include intensive lifestyle modification, blood pressure reduction, and lipid-modifying therapies. These interventions are now understood to decrease plaque inflammation and thereby promote plaque stability. Lipoprotein-associated phospholipase A(2) (Lp-PLA(2)) appears to be a specific marker of plaque inflammation that may play a direct role in the formation of rupture-prone plaque. In contrast, traditional risk factors, lipid measurement, and most vascular imaging modalities do not directly assess the acute ischemic potential in the arterial wall. Measuring Lp-PLA(2) levels in human serum or plasma is noninvasive and relatively inexpensive. Lp-PLA(2) may provide additional clinically relevant information that shows which patients have a high level of atherosclerotic disease activity as manifested by vascular inflammation, ED, and increased risk for progression toward rupture-prone plaque.
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PMID:Identifying the vulnerable patient with rupture-prone plaque. 1854 69

To investigate the effect of central obesity on the severity and characteristics of age-related hearing impairment (ARHI), we recruited 690 adult subjects with normal or symmetrical sensorineural hearing loss (SNHL). The effects of age, gender, morphometry, habits, systemic diseases, and environmental noise exposure on average pure tone hearing level at low frequencies (pure tone audiometry (PTA)-low) and high frequencies (PTA-high) were analyzed. After adjusting for age, gender, systemic disease, and other variables, waist circumference (WC) showed a significant positive association with PTA-low and PTA-high. In females, PTA-low and PTA-high only showed significant positive association with age, but not with WC or other variables. However, PTA-high showed a positive association with borderline significance with WC in female subjects older than 55. In males, WC as well as age and noise exposure showed significant positive associations with both PTA-low and PTA-high, primarily in subjects younger than 55. When both WC and BMI were taken into account in a backward stepwise multivariate linear regression analysis, WC, but not BMI, showed a significant positive association with PTA-low and PTA-high in males younger than 55, and with PTA-high with borderline significance in females older than 55. However, the audiogram patterns were not significantly affected by central obesity in either age or gender. Our results suggest that WC was, even after adjustment for BMI, an independent risk factor of ARHI, particularly for low and high frequencies in males younger than 55 and for high frequencies in female subjects older than 55.
Obesity (Silver Spring) 2009 Sep
PMID:Association of central obesity with the severity and audiometric configurations of age-related hearing impairment. 1930 Apr 32

There is abundant and accumulating evidence on the classification of psoriasis as a systemic disease that exhibits a host of co-morbidities. As a consequence, the second Interdisciplinary Conference on Co-morbidities and Lifestyle Modification, convened by the International Psoriasis Council, has concluded that specialist physicians, primary care physicians and dermatologists are faced with an opportunity to impact, not just psoriasis disease understanding and management, but overall patient well-being. The conference panel was represented by the disciplines of dermatology, cardiology, rheumatology, epidemiology, endocrinology, hepatology and gastroenterology, and medical specialists with particular expertise in obesity, diabetes mellitus, inflammation and genetics. The multiple co-morbidities associated with psoriasis were reviewed with a view to identify possible mechanisms linking psoriatic disease with obesity, metabolic syndrome, diabetes, cardiovascular disease and non-alcoholic fatty liver disease. Consensus was established on the association of psoriasis with other co-morbidities and disease states. Consequently, there is a significant opportunity for specialist and primary care physicians to collaborate with dermatologists in the management of the overall health of psoriasis patients. First, there is an important need for physicians to routinely screen psoriasis patients for the multiple susceptibility risk factors and co-morbidities associated with psoriasis. Second, the design and implementation of lifestyle modification plans including exercise, diet and the limitation of alcohol and tobacco intake, will not only benefit their general medical health but also their psoriasis.
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PMID:Exploring the association between cardiovascular and other disease-related risk factors in the psoriasis population: the need for increased understanding across the medical community. 2038 92

Psoriasis is an inflammatory, immune-mediated cutaneous disorder that has recently been recognized as systemic disease that is associated with multiple comorbidities such as depression, obesity, and the metabolic syndrome. The metabolic syndrome is the constellation of abdominal obesity, dyslipidemia, hypertension and insulin resistance, and presence of the metabolic syndrome significantly increases a patient's risk for cardiovascular disease, stroke and type 2 diabetes. Recent studies have found that psoriasis patients are at increased risk for metabolic syndrome as well as the individual components of metabolic syndrome, and the two diseases appear linked through a common mechanism of inflammation. Speculation exists as to whether this association is causative or whether it is the result of other habits seen in psoriasis patients, such as increased rates of smoking, alcohol consumption, and sedentary lifestyle, which add to the complexity of the association between psoriasis and the metabolic syndrome. However, psoriasis treatments have been shown to reduce the risk of developing metabolic syndrome components and comorbidities. Future studies are needed to better understand the nature of this relationship and the implications this could have for management and treatment of patients with psoriasis.
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PMID:Psoriasis and the metabolic syndrome. 2041 20

Diabetes mellitus is a systemic disease responsible for morbidity in the western world and is gradually becoming prevalent in developing countries too. The prevalence of diabetes is rapidly increasing in industrialized countries and type 2 diabetes accounts for 90% of the disease. Insulin resistance is a major pathophysiological factor in the development of type 2 diabetes, occurring mainly in muscle, adipose tissues, and liver leading to reduced glucose uptake and utilization and increased glucose production. The prevalence and rising incidence of diabetes emphasized the need to explore new molecular targets and strategies to develop novel antihyperglycemic agents. Protein Tyrosine Phosphatase 1B (PTP 1B) has recently emerged as a promising molecular level legitimate therapeutic target in the effective management of type 2 diabetes. PTP 1B, a cytosolic nonreceptor PTPase, has been implicated as a negative regulator of insulin signal transduction. Therefore, PTP 1B inhibitors would increase insulin sensitivity by blocking the PTP 1B-mediated negative insulin signaling pathway and might be an attractive target for type 2 diabetes mellitus and obesity. With X-ray crystallography and NMR-based fragment screening, the binding interactions of several classes of inhibitors have been elucidated, which could help the design of future PTP 1B inhibitors. The drug discovery research in PTP 1B is a challenging area to work with and many pharmaceutical organizations and academic research laboratories are focusing their research toward the development of potential PTP 1B inhibitors which would prove to be a milestone for the management of diabetes.
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PMID:Protein tyrosine phosphatase 1B inhibitors: a molecular level legitimate approach for the management of diabetes mellitus. 2081 56

The gut microbiome is the term given to describe the vast collection of symbiotic microorganisms in the human gastrointestinal system and their collective interacting genomes. Recent studies have suggested that the gut microbiome performs numerous important biochemical functions for the host, and disorders of the microbiome are associated with many and diverse human disease processes. Systems biology approaches based on next generation 'omics' technologies are now able to describe the gut microbiome at a detailed genetic and functional (transcriptomic, proteomic and metabolic) level, providing new insights into the importance of the gut microbiome in human health, and they are able to map microbiome variability between species, individuals and populations. This has established the importance of the gut microbiome in the disease pathogenesis for numerous systemic disease states, such as obesity and cardiovascular disease, and in intestinal conditions, such as inflammatory bowel disease. Thus, understanding microbiome activity is essential to the development of future personalized strategies of healthcare, as well as potentially providing new targets for drug development. Here, we review recent metagenomic and metabonomic approaches that have enabled advances in understanding gut microbiome activity in relation to human health, and gut microbial modulation for the treatment of disease. We also describe possible avenues of research in this rapidly growing field with respect to future personalized healthcare strategies.
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PMID:Gut microbiome-host interactions in health and disease. 2139 6

Cardiovascular disease (CVD) and type 2 diabetes are common systemic illnesses with reliable, predictive risk factors. CVD is the number one killer worldwide accounting for nearly 30% of deaths and type 2 diabetes has reached epidemic proportions in many western industrialized countries. Both of these illnesses can go undiagnosed in an alarming number of people for significant periods of time. The relationship between oral health and systemic health has become the focus of much discussion and research in recent times. It is now widely accepted that periodontal disease is associated with systemic illnesses such as CVD and type 2 diabetes. Cigarette smoking and obesity are major risk factors accounting for a large portion of the global disease burden. Many periodontal patients may be at risk of systemic conditions but be asymptomatic and undiagnosed. With an aging population who are mostly retaining their natural dentition, the need for periodontal management will continue to rise in the future. Dental professionals are well placed to perform general health screening for their patients. Therefore, risk assessment during the periodontal examination may facilitate the early identification of the large proportion of people who are unaware of their risk status. As identification and intervention of patients with increased risk factors is key to lowering the systemic disease burden, general health screening during periodontal examinations may present an important opportunity for many patients.
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PMID:General health screening as part of a periodontal examination. 2152 18


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