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Erythropoiesis was studied in 11 subjects submitted to a 4-h hypoxia (HH) in a hypobaric chamber (4,500 m, barometric pressure 58.9 kPa) both before and after a 3-week sojourn in the Andes. On return to sea level, increased red blood cells (+3.27%), packed cell volume (+4.76%), haemoglobin (+6.55%) (P<0.05), and increased arterial partial pressure of oxygen(More)
To study relationships between local cold adaptation of the lower limbs and general cold adaptation, eight subjects were submitted both to a cold foot test (CFT, 5°C water immersion, 5 min) and to a whole-body standard cold air test (SCAT, 1°C, 2 h, nude at rest) before and after a local cold acclimation (LCA) of the lower limbs effected by repeated cold(More)
OBJECTIVE Measurement of thyroglobulin in the washout of lymph node (LN) fine needle aspirates is recommended in the follow-up of patients with differentiated thyroid cancer (DTC). The significance of low fine needle aspirates thyroglobin (FNATg) levels remains a question, which we addressed. METHOD Prospective study comparing FNATg with FNA cytology.(More)
The only current possibility for curing medullary thyroid carcinoma (MTC), especially recurrences, is total surgical removal. Early positive diagnosis of recurrences is now possible by monitoring tumor markers such as thyrocalcitonin and carcinoembryonic antigen (CEA). However, preoperative topographic diagnosis of such recurrences remains an unresolved(More)
High altitude residence is known to modify body biochemistry and hormone status. However, the effects of such a sojourn on these status observed at sea level both immediately and later after return are not as well established as are the effects of an intermittent acclimation. The aim of this study was therefore to investigate these changes. To achieve our(More)
Serum thyroid hormones (TH) and internal temperatures were investigated in 8 euthyroid men during a general standard cold air test (SCAT) (dry bulb temperature = 1 degree C, 2 h, nude, at rest) performed both before and after a local cold acclimation. Serum total thyroxin (TT4), total triiodothyronine (TT3), free thyroxin (FT4), free triiodothyronine (FT3),(More)
The effects of adequate total parenteral nutrition (TPN) on nitrogen excretion, urea N percentage, 3-methylhistidine excretion, and leg amino acid output, were studied during the ten-day period following abdominal surgery for generalized peritonitis in nine patients. The first two postoperative days were without nutritional intake, TPN was started on the(More)
Duodenogastric reflux (DGR) could be implicated in several esophageal and gastric diseases. Establishing its pathophysiological role however is difficult because of the problems in the demonstration and quantification of DGR episodes. The aim of this study was to improve a scintigraphic method of detection and quantification of DGR episodes during the(More)
Considering the current need to improve cost-effectiveness in cancer patient management, a prospective study was undertaken in order to define the optimal combination of bone scan and tumour marker assays in breast and lung cancer strategies, as has been done in the case of prostate cancer. All patients with breast or lung cancer referred to the Nuclear(More)