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Biomedical subjects

K R Shetty

Publications and source records attributed to K R Shetty.

27 records · Page 2Linked to original sources

Legionnaires' disease with profound cerebellar involvement.

An acute febrile illness with pulmonary infiltration and severe cerebellar deficit developed in a woman. The diagnosis of Legionnaires' disease was confirmed by indirect fluorescent antibody tests. Legionnaires' disease should be considered as a diagnostic possibility in patients with pneumonia and cerebellar dysfunction.

Cerebellar Diseases↗

Radiation-related thyroid carcinoma.

Of 1,825 subjects with a history of head or neck irradiation, 358 (19.6%) were found to have thyroid abnormalities. One hundred sixty-five (9%) had either single or multiple nodules 153 (8.4%) had diffuse thyromegaly, and 40 (2.2%) had had thyroid surgery. Surgery was performed on 113 subjects with nodules; carcinoma was found in 34 (30.1%). Clinical examination of the neck was the most valuable method of detecting abnormalities. Detection of nodules was not significantly enhanced by routine use of thyroid imaging studies. Measurements of levels of serum thyroid-stimulating hormone, thyroxine, triidothyronine resin uptake, and thyroid antibodies were not useful in screening for nodules or carcinoma.

Adult↗

Human chorionic gonadotropin (HCG) treatment of obesity.

After a nine-day control period, six hospitalized obese women were placed on 500 calorie diets and were given 125 IU of human chorionic gonadotropin (HCG) intramuscularly daily for 30 days. Another five obese women received injections of diluent only and consumed identical diets for the same period. Mean weight loss in the HCG-treated group was nearly identical to that achieved by women given the placebo. Reduction of triceps skinfold thickness or circumferential body measurements of the chest, waist, hips, and thighs were not different. Patters of change of a variety of plasma and urine substrates, electrolytes, and hormones were similar in the two groups and consistent with semistarvation and weight loss. These results indicate that HCG has no effects on chemical and hormonal parameters measured and offers no advantage over calorie restriction in promoting weight loss.

Adult↗

Polymyositis.

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Adolescent↗

Insulin secretion in patients with myotonic dystrophy and their relatives.

Oral glucose, i.v. tolbutamide and i.v. arginine tolerance tests were performed in 11 patients with myotonic dystrophy and 9 of their clinically unaffected relatives. Five of the myotonic patients had glucose intolerance; 7 had exaggerated immunoreactive insulin (IRI) response to glucose. One of the 9 relatives demonstrated glucose intolerance and none had exaggerated insulin response to glucose. Three relatives, all obese, hyperresponded to arginine and one of them also responded excessively to tolbutamide. The results indicate that an exaggerated IRI response to glucose is common in myotonic dystrophy. Enhanced responses to other stimuli are less frequent. Although glucose intolerance occurred in half of the patients, the fact that the highest IRI levels were seen in non-diabetic patients suggests that this excessive response may protect against glucose intolerance. Our studies in relatives do not support the potential usefulness of testing for hyperinsulinemia in the early detection of myotonic dystrophy.

Arginine↗