Introduction: Bioelectrical impedance is a fast, inexpensive, easy, portable, and noninvasive method. A major innovation in the analysis of body composition is segmental bioelectrical impedance. Objectives: To assess the applicability of segmental bioelectrical impedance. Subjects and methods: The study was conducted on female subjects divided into two groups: Group I (n = 8) consisted of healthy women and group II (n=25) of obese women with Polycystic Ovary Syndrome (PCOS). All subjects were submitted to examination by total and segmental bioelectrical impedance. Results and discussion: Anthropometric parameters (weight, BMI, total lean mass and total fat mass) showed significant differences between groups. There was a significant difference between groups I and II for all body segments evaluated, except for lean mass of the leg. Conclusion: Procedures of segmental bioelectrical impedance will be increasingly useful in the nutritional assessment of tissue masses, enabling more sensitive assessment and monitoring of nutritional care.
INTRODUCTION Graves' disease (GD) is the most common cause of hyperthyroidism and the most common autoimmune disorder in the United States (1). This disease is a common autoimmune cause of hyperthyroidism in which the thyroid gland undergoes lymphocyte infiltration, with an elevation in circulating T lymphocytes and the occurrence of autoantibodies that bind to the TSH receptor (TRAb), with consequent stimulation of gland growth and function (2). Graves' disease (GD) is characterized by diffuse goiter, thyrotoxicosis, and some organ-specific manifestations including Graves' ophthalmopathy and Graves' dermopathy. Although the production of thyroid-stimulating hormone (TSH) receptor antibodies is thought to be a crucial underlying etiology for this immunological process, the exact etiology of GD is still unknown (3).
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