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Nutrition plays a vital role in the recovery, health, and life expectancy of transplant recipients. Because the medical problems differ between the acute recovery and chronic maintenance phases following transplantation, nutrient requirements and nutrition therapies are unique and distinctly different between these 2 periods. Nutrition therapy during the acute post-transplant phase is aimed at promoting healing. Nutrition and pharmaceutical therapies during the long-term post-transplant phase are intended to prevent and treat common problems such as obesity, diabetes, hyperlipidemia, hypertension, and osteoporosis. Nutrition goals and therapies should be individualized based on the specific complications each patient experiences.
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PMID:Diet therapy for organ transplantation. A problem-based approach. 938 30

Ageing constitutes a risk factor for magnesium deficit. Primary magnesium deficit originates from two etiological mechanisms: deficiency and depletion. Primary magnesium deficiency is due to insufficient magnesium intake. Dietary amounts of magnesium are marginal in the whole population whatever the age. Nutritional deficiencies are more pronounced in institutionalized than in free-living ageing groups. Primary magnesium depletion is due to dysregulation of factors controlling magnesium status: intestinal magnesium hypoabsorption, reduced magnesium bone uptake and mobilisation, sometimes urinary leakage, hyperadrenoglucocorticism by decreased adaptability to stress, insulin-resistance and adrenergic hyporeceptivity. Secondary magnesium deficit in ageing largely results from various pathologies and treatments common to elderly persons: i.e. non insulin dependent diabetes mellitus and use of hypermagnesuric diuretics. Magnesium deficit may participate in the clinical pattern of ageing: mainly neuromuscular, cardiovascular and renal symptomatologies. The consequences of hyperadrenoglucocorticism--whose non response to dexamethasone suppression test appears the simplest marker--may concern immunosuppression, muscle atrophy, centralization of fat mass, osteoporosis, hyperglycemia, hyperlipidemia, atherosclerosis, disturbances in mood and mental performances through accelerated hippocampal ageing particularly. Treatment of magnesium deficiency requires simple oral physiological magnesium supplementation. Treatment of the different types of magnesium depletion leads to a more or less specific control of pathophysiological disturbances of the required magnesium substrate. Open and double blind studies on the effects of the treatments of magnesium deficiency and of magnesium depletions in geriatic populations are too scarce. Further study is necessary to assess the accurate place of magnesium deficit in the physiopathology of ageing.
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PMID:Magnesium status and ageing: an update. 959 47

Sedentary lifestyle has officially been recognized as a major risk factor for cardiovascular disease. In addition, exercise can be beneficial in detecting, preventing, and managing prevalent disease states such as hyperlipidemia, hypertension, obesity, nicotine addiction, diabetes mellitus, affective disorders, cancer, osteoporosis, and age-related declines in muscular strength. Recent findings are discussed and recommendations for appropriate exercise prescriptions are offered.
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PMID:Exercise is medicine: health benefits of regular physical activity. 970 95

The development of sensitive assays for thyrotropin (TSH) has led to the discovery that many older patients have abnormal TSH levels without other alterations in serum thyroid hormone levels, conditions termed subclinical hypothyroidism (isolated elevation of TSH levels) and subclinical hyperthyroidism (isolated suppression of TSH levels). Subclinical hypothyroidism occurs in 5% to 10% of elderly subjects, and is especially prevalent in elderly women. Subclinical hyperthyroidism is less common, affecting less than 2% of the elderly population. The causes of subclinical thyroid disease in the elderly are similar to those of thyroid disease in the general population, although medications and iodine-containing compounds may play an increased role. Potential risks of subclinical hypothyroidism in the elderly include progression to overt hypothyroidism, cardiovascular effects, hyperlipidemia, and neurological and neuropsychiatric effects. Potential risks of subclinical hyperthyroidism in the elderly include progression to overt hyperthyroidism, cardiovascular effects (especially atrial fibrillation), and osteoporosis. Decisions to treat elderly subjects with subclinical thyroid disease should be based on a careful assessment of these risks in the individual patient.
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PMID:Subclinical thyroid disease in the elderly. 977 54

Aggressive immunosuppressive therapy should be considered for patients with proliferative lupus nephritis as the risk for progression to end stage renal disease is high. Intermittent intravenous cyclophosphamide therapy improves renal survival; longer duration of therapy is associated with fewer relapse of nephritis and decreased risk of diminished renal function. While azathioprine therapy does not differ statistically from steroids alone in prolonging renal survival, this therapy may be considered in patients with few risk factors for progression to renal insufficiency. Methylprednisolone as a single therapy does not prolong renal survival compared with regimens including cyclophosphamide. Plasmapheresis remains under study but has not shown additional benefit in treatment of severe lupus nephritis. The potential roles for cyclosporin A and mycophenylate mofetil in the therapy of proliferative lupus nephritis remain to be defined. Supportive care including rigorous control of hypertension, consideration of angiotensin receptor inhibition or blockade to reduce proteinuria and prolong renal function, control of hyperlipidemia, prevention of osteoporosis, and prevention of pregnancy remain important clinical goals. Current research efforts focus on genetic and socioeconomic factors involved in racial differences in expression of lupus nephritis, hormonal manipulation to preserve gonadal function during cyclophosphamide therapy, and the potential impact on lupus activity of estrogen-containing oral contraceptives or postmenopausal hormone replacement therapy.
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PMID:Immunosuppressive therapy of lupus nephritis. 988 1

This article reviews the nutritional requirements of puberty and the clinical assessment of nutritional status, and discusses the nutritional risks imposed by vegetarian diets, pregnancy, and athletic involvement. Energy (calories) and protein are essential in pubertal development. Adolescent females require approximately 2200 calories/day, whereas male adolescents require 2500-3000 calories/day. Additional intake requirements include fat, calcium, iron, zinc, vitamins, and fiber. The clinical assessment of nutritional status begins with obtaining a good diet history of the patient and this could be offered by the body mass index. Nutritional deficiencies and poor eating habits established during adolescence can have long-term consequences, including delayed sexual maturation, loss of final adult height, osteoporosis, hyperlipidemia, and obesity. As for vegetarian adolescents, nutritional risks include lack of iodine, vitamin B12, vitamin D, and some essential fatty acids. In addition, substances in some grains reduce gut absorption, thus increasing mineral deficiencies. Pregnancy may also be a risk factor for poor nutrition during adolescence. A pregnant adolescent has different nutritional needs because she is still growing. Among adolescent athletes many are turning to nutritional supplements in an attempt to improve athletic performance. A balanced, varied diet provides adequate calories and nutrition to meet the needs of most adolescents. They also have greater water needs than do adult athletes. Details on adolescent health concerns are further discussed in this article.
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PMID:Nutrition in the adolescent. 1003 86

Preventive medicine consists of all efforts which delay the development of diseases (primary prevention), make early detection possible (secondary prevention) as well as rehabilitation of patients (tertiary prevention). The aim to reduce premature morbidity and mortality and increase life expectancy and quality of life. The authors summarize the secondary preventive interventions of asymptomatic individuals namely primary screening methods, with special regard to so-called "western diseases": hypertension, hyperlipidemia, colorectal cancer, neoplasms of breast, cervix, prostata, also considering type 2 diabetes and osteoporosis on the basis of the supporting evidence and the recommendation of certain national committees.
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PMID:[Evidence based reevaluation of primary screening tests]. 1065 41

Benign symmetric lipomatosis of the pseudoathletic type was identified in a woman with a positive family history for the disorder and a past history of alcohol abuse. She had an exceptionally high number of additional diseases such as arthropathy with degenerative osteoporosis, hyperuricemia, hyperlipidemia, psoriasis, neuropathy, muscular atrophy, arteriosclerosis and increased cardiovascular risk factors.
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PMID:[Benign symmetrical Launois-Bensaude type II lipomatosis with market systemic involvement and psoriasis]. 1090 59

Cardiovascular disease and osteoporosis together account for most of the morbidity and mortality in our aging population despite significant improvements in treatment. Recently, converging lines of evidence suggest that these 2 diseases share an etiologic factor--that hyperlipidemia contributes not only to atherosclerotic plaque formation, but also to osteoporosis, following a similar biologic mechanism involving lipid oxidation. In vitro studies indicate that lipid products of oxidation promote osteoblastic differentiation of vascular cells and inhibit such differentiation in bone cells. Ex vivo, in vivo, and clinical studies further suggest that lipid-lowering agents reduce both atherosclerotic calcification and osteoporosis. Whether lipid-lowering agents reduce osteoporosis directly or indirectly through lipid reduction remains controversial.
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PMID:Role of lipids in osteoporosis. 1107 36

Currently, technical methods to obtain precocious and reliable diagnosis of thyroid disorders are available for physicians. Therefore today, patients affected by mild hypo- or hyperthyroidism are more often diagnosed when they are still asymptomatic; these mild forms of thyroid disorder are known as subclinical hypo- and hyperthyroidism. In comparison with '80ties, over the last few years we have observed that patients come to endocrinological examination for subclinical forms of thyroid disorders (particularly for hypothyroidism) more frequently than for severe thyroid diseases. However, before to start a therapy, it is necessary for these patients to determine the causes of subclinical hypo- and hyperthyroidism. The main goals of therapy are to reduce the prevalence of cardiac arrhythmia and osteoporosis of patients with subclinical hyperthyroidism, and to slow down the course of arteriosclerotic disease (linked to hyperlipidemia and/or to hyperhomocysteinemia) of patients with subclinical hypothyroidism.
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PMID:[Subclinical hyperthyroidism and hypothyroidism]. 1112 53


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