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Biomedical subjects

P Atienza

Publications and source records attributed to P Atienza.

12 recordsLinked to original sources

[Comparative serum pharmacokinetics of prednisone and prednisolone methylsulfobenzoate after oral administration].

Pharmacokinetic values of prednisone and prednisolone were measured in the serum of 6 healthy volunteers after oral administration of either prednisolone methylsulfobenzoate 30 mg or prednisone 30 mg. Peak serum concentrations of prednisolone obtained after dosing with prednisone occurred earlier and were higher (473 +/- 106 ng/ml) than those obtained after dosing with prednisolone methylsulfobenzoate (232 +/- 70 ng/ml; P less than 0.01). Similarly, areas under the 0-8 h concentration curves were significantly greater after dosing with prednisone than after dosing with prednisolone methylsulfobenzoate (prednisolone: P less than 0.001; prednisone: P less than 0.02). The differences may be due to prednisolone methylsulfobenzoate not being absorbed as well as prednisone. These kinetic data may warrant a reappraisal of the therapeutic equivalence of the two drugs taken for granted in France.

Administration, Oral

Chronic Q fever hepatitis complicated by extensive fibrosis.

Liver involvement is common in acute and chronic Q fever and consists of nonspecific hepatitis and granulomas without fibrosis. We report the case of a patient suffering from chronic Q fever with nonspecific hepatitis and granulomas, in whom progressive development of extensive liver fibrosis was documented by repeated biopsies.

Aged

[Intrahepatic collections of fluid of pancreatic origin. A case].

A case of intrahepatic liquid collections of pancreatic origin is reported. A search in the literature yielded 8 cases of pancreatic pseudocysts which developed in the liver left lobe. The present case was original owing to its localization in the right hepatic lobe, to the large volume of the intrahepatic effusions and to the scarcity of underlying pancreatic symptoms. Ultrasonography and computerized axial tomography were useful aids to the diagnosis as well as to the therapeutic procedures. Surgery, which usually is a matter of discussion in chronic pancreatitis, was necessary to obtain the favourable outcome expected in such diseases.

Humans