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Query: UMLS:C0037315 (sleep apnea)
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Individuals weighing greater than 100 kg represent a small fraction of the population and yet pose a major health risk to themselves. It is proposed that individuals be classified according to their body mass index (BMI). Class 0 individuals have a BMI of 20-25 kg/m2 and are not obese; Class I individuals have a BMI of 25-30 kg/m2 and are at low risk from their obesity; Class II individuals have a BMI of 30-35 kg/m2 and have moderate risk; Class III individuals have a BMI of 35-40 kg/m2 and have high risk associated with their obesity; Class IV individuals have a BMI of greater than 40 kg/m2 and are at very high risk for illness. Class IV is the primary group for surgical consideration. The pathophysiologic consequences of excess weight result in large part from increased food intake and/or decreased physical activity. Individuals in Class IV have additional problems related to their weight, including cardiomyopathy, Pickwickian/sleep apnea syndrome, pituitary/gonadal dysfunction, acanthosis nigricans, and significant osteoarthritis.
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PMID:Pathophysiology of obesity. 173 17

A personal series of 256 cases of acromegaly/gigantism seen over a 20-year period from 1963 is described. The insidious nature of the condition resulted in delay in diagnosis which was often made by a doctor when seeing the patient for an unrelated problem. Other features which commonly led to the diagnosis being made were headache, change in appearance, carpal tunnel syndrome, amenorrhoea and diabetes. The Hardy system for grading the radiological appearance of the pituitary tumour was used. Widely invasive tumours were not common but tended to occur in patients with younger age of onset and high GH levels. The occurrence of various symptoms and clinical features was noted and the changes resulting from reducing the GH level to normal. The incidence of hypertension, but not of coronary artery disease, is increased and the blood pressure may be reduced following successful treatment. The effects on the upper and lower respiratory tract are reported as well as sleep apnoea and problems associated with anaesthesia. Skin manifestations included sweating, pigmented skin tags, acanthosis nigricans and cutis verticis gyrata. In the skeletal system the incidence of kyphoscoliosis and osteoarthritis especially of the hip is reported: the question of hip replacement is discussed. Diabetes mellitus disappeared in most cases if the acromegaly was cured. In men but not in women the incidence of colloid nodular goitre was increased as was hyperthyroidism in middle-aged women. In two patients a parathyroid adenoma was present: hypercalcaemia was present in five additional patients, but the cause was not determined. The common occurrence of amenorrhoea in the younger women was noted, it was not always associated with hyperprolactinaemia, and often responded to successful treatment of the acromegaly. The association of acromegaly with hirsutism and galactorrhoea is confirmed. The incidence of impotence and loss of libid in the men is discussed: in a proportion of those in whom the acromegaly was cured, potency returned, but in a number depression occurred and what was believed to be psychogenic impotence persisted. Hyperprolactinaemia was found in 49 out of 151 patients with active acromegaly in whom the prolactin level was measured. Previous reports have indicated a doubling of death rates in acromegalics. In this series there were 47 deaths observed compared to 37.2 expected. The increased death rate was in women of all ages and in men under the age of 55, The increased deaths in the women were from cardiovascular and cerebrovascular causes and from breast cancer.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:Acromegaly. 330 90

The Committee of the Japan Society for the Study of Obesity reported the new criteria for 'obesity disease' for Japanese adults in 2000. We defined the criteria for the diagnosis of obesity in children with medical problems, corresponding to the 'obesity disease' criteria in adults. Obesity in childhood was defined as follows: percentage of overweight (POW) and body fat exceeded the criteria. 'Obesity disease in childhood' was defined as obesity associated with health or medical problems, and with indications for medical intervention. Medical problems with indications for immediate intervention were grouped as A problems, which consisted of (i). hypertension; (ii). sleep apnea or hypoventilation; (iii). Type 2 diabetes mellitus or impaired glucose tolerance; and (iv). increased waist circumference or accumulation of visceral adipose tissue. Metabolic derangements or equivalent associated with obesity were grouped as B problems: (i). liver dysfunction; (ii). hyperinsulinemia; (iii). hypercholesterolemia; (iv). hypertriglyceridemia; (v). low serum high-density lipoprotein cholesterol; (vi). acanthosis nigricans, and (vii). hyperuricemia. Obese children over 5 years of age with following conditions were diagnosed as 'obesity disease in childhood': (i). any 'A problem', (ii) POW >or= 50% and any 'B problem', or (3) POW < 50% and more than one 'B problem' or equivalent. We decided to take physicosocial problems related to obesity into consideration as the criteria. The resultant criteria are proposed by the Committee for Research of Appropriate Body Build in Children*.
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PMID:Criteria for medical intervention in obese children: a new definition of 'obesity disease' in Japanese children. 1452 50

Polycystic ovarian syndrome (PCOS) is a "multispeciality" disorder suspected in patients with irregular menses and clinical signs of hyperandrogenism such as acne, seborrhoea, hirsutism, irregular menses, infertility, and alopecia. Recently, PCOS has been associated with the metabolic syndrome. Patients may develop obesity, insulin resistance, acanthosis nigricans, Type 2 diabetes, dyslipidemias, hypertension, non-alcoholic liver disease, and obstructive sleep apnoea. Good clinical examination with hematological and radiological investigations is required for clinical evaluation. Management is a combined effort involving a dermatologist, endocrinologist, gynecologist, and nutritionist. Morbidity in addition includes a low "self image" and poor quality of life. Long term medications and lifestyle changes are essential for a successful outcome. This article focuses on understanding the normal and abnormal endocrine functions involved in the pathogenesis of PCOS. Proper diagnosis and management of the patient is discussed.
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PMID:Polycystic ovarian syndrome. 2468 55