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Biomedical subjects

F Sileo

Publications and source records attributed to F Sileo.

8 recordsLinked to original sources

[Surgical treatment of parathyroid hyperplasia].

BACKGROUND: To review a series of 11 patients affected by hyperplasia of parathyroid glands and to discuss diagnostic and therapeutic tools. METHODS: A series of 11 patients out of 44 (= 25%) with primary hyperparathyroidism has been retrospectively reviewed. They underwent surgery in I surgical Department of OORR of Bergamo. All 11 patients were submitted to ultrasound and computed tomography examination before surgery, without any localisation of hyperplastic or adenomatous tissue. An exploring cervicotomy was performed with subtotal parathyroidectomy after the anatomopathological result of hyperplasia. RESULTS: No adverse effects related to surgery were observed. All patients could be considered as cured with a median follow-up of 36 months. CONCLUSIONS: Among hyperparathyroidism, hyperplasia is an underhand form and even if the laboratory diagnosis is simple, the imaging techniques cannot always localise the pathologic tissue. Personal experience shows the role of subtotal parathyroidectomy (removal of 3 parathyroid glands and a half of the last one) confirmed by the absence of adverse effects or relapse with a median follow-up of 36 months.

Adult↗

[Biliopancreatic bypass in the treatment of severe obesity: long-term clinical, nutritional and metabolic evaluation].

Biliopancreatic bypass surgery leads to considerable weight loss and the stabilisation over time of the newly acquired body weight. The aim of this study was to evaluate the long-term clinical and nutritional conditions of patients undergoing this operation. Thirty subjects who had undergone biliopancreatic bypass surgery (7 males and 23 females) aged between 20 and 55 years old, with body mass indexes between 35 and 80, were examined at yearly intervals (maximum follow-up 5 years). Tha following parameters were evaluated at each control: body weight, presence of collateral effects, support therapy, main hematochemical parameters, nutritional behavior and calorie intake. All patients recorded a significant reduction in body weight with a mean weight loss of 28% during the first year; these values were confirmed during the second year, whereas body weight tended to stabilise in the long-term. Laboratory data showed a significant reduction in triglycerides, cholesterol, glycemia in all patients; sideropenic anemia appeared in 50% of patients. Mean daily calorie intake was 2,200 kcal/day, broken down as follows: glucides 50%, lipids 33%, proteins 17%. The main collateral effects reported were: diarrhea, vomit, flatulence, onset of food intolerances. The following support therapies were used: iron in 90% of cases, calcium in 60% and 30% of patients also underwent surgery. In conclusion, biliopancreatic bypass surgery enables a significant weight loss to be achieved together with an improved glycolipid status without leading to nutritional deficiencies.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

New perspectives in medical management of hyperprolactinemia.

We performed 113 new treatments in 98 patients (pts) (69 females and 27 males), 41 with macroprolactinoma, 26 with microprolactinoma, 5 with empty sella and 26 with idiopathic hyperprolactinemia. Parlodel LA was administered in 31/113, Parlodel LAR in 51/113, Parlodel SRO in 24/113 and Cabergoline in 8/113. In each pt the clinical effect, PRL plasma level CT-scan and visual field examination were monitored. PRL plasma levels normalized in 84/98 pts. In 13/41 macroadenoma pts a complete disappearance of the adenomatous mass was observed at CT-scan after 0.5-3 years' oral bromocriptine or Parlodel LAR therapy. The clinical features normalized in most of the pts. In conclusion, the new long acting dopamine agonists may represent the future of the management of hyperprolactinemic states because of their effectiveness, tolerability and good compliance.

Adenoma↗

Effects of a somatostatin derivative (SMS 201-995) on postprandial hyperglycemia in insulin-dependent diabetics studied by means of a closed-loop device.

We studied the effects of a premeal sc injection of an analog of somatostatin (SMS 201-995, Sandoz) on the postprandial glycemic excursions, insulin requirement and hormone profiles (GH, glucagon and C-peptide) in 8 IDDM patients (diabetes duration 14.0 +/- 6.5 yr, daily insulin requirement 36 +/- 6.4 U) maintained normoglycemic by connecting them to a closed-loop insulin infusion system (Betalike, Genoa). The morning of the test the patients were connected to the Betalike and their glucose levels stabilized for at least 4 h. At 13:00 h the study was begun with a sc injection of 50 micrograms of SMS 201-995 or placebo (randomly) and a standardized mixed meal (800 Kcal) was given. Blood samples were obtained 0, 15, 30, 60, 120 and 180 min after the injection. Each patient was tested both with SMS 201-995 and placebo. Postmeal glycemic peaks were decreased after SMS 201-995 (119.6 +/- 5.4 mg/dl vs 149.1 +/- 4.2; p less than 0.05) as well as insulin requirements (3.2 +/- 0.8 U vs 13.3 +/- 1.9; p less than 0.01) for the 180 min postprandial period. Similarly, glucagon level was reduced 30 min postprandially (24 +/- 6 pg/ml vs 59 +/- 24; p less than 0.05) and so GH level only 180 min after lunch (p less than 0.05). The premeal injection of SMS decreases postprandial glycemic excursions and the corresponding insulin requirement. The action of SMS 201-995 may be mainly mediated by the suppression of postprandial glucagon peak.

Adolescent↗

AIDS in Italy.

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Acquired Immunodeficiency Syndrome↗

Empty sella syndrome and growth deficiency in childhood.

We describe four cases of empty sella syndrome in childhood associated with growth and neuroendocrine disorders. We note that empty sella syndrome probably presents with endocrine disorders more often in childhood than in adults and that its frequency seems to be underestimated.

Adolescent↗