Biomedical subjects
Publications and source records attributed to P Jouanny.
Nutritionnal status remain poor in hospitalized elderly for cardiopathy compared to healthy controls, secondary to bad general status. Selenium rate appears significantly lower in ischemic cardiomyopathy than in valvular or hypertension cardiopathy.
The authors report two cases of thrombosis occurring after partial interruption of the inferior vena cava. They presented as collapse and anuria with fatal outcome. Heparin induced thrombocytopenia was present in two cases and distal migration of filter in one case. Thrombo-embolic complications can follow heparin induced thrombocytopenia and justify first treatment with low molecular weight heparin and/or early treatment with oral anti-coagulant. Thrombosis, recurrent embolism or thrombosis of renal vena may occur after vena cava filter. Renal vena thrombosis especially follow filter movement and present as collapse and cardiac failure often with fatal outcome.
The thenar muscles and gastrocnemius of a patient with myotonic dystrophy were investigated, at rest, by phosphorus nuclear magnetic resonance spectroscopy. A decrease in phosphocreatine level and an increase in inorganic phosphate and phosphodiester levels were found in the gastrocnemius, which was clinically spared, whilst the thenar muscles, which were wasted and affected by myotonia, exhibited only an increased inorganic phosphate level and an elevated pH. These findings were comparable with those found in other muscular disorders, such as Duchenne's and Becker's dystrophies, as well as in limb girdle dystrophy. They suggested that the abnormalities observed were unrelated to myotonia or wasting, and the possibility of a secondary mitochondrial disorder in myotonic dystrophy, is to be considered.
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It has recently been suggested that chronic mesenteric vasculitis was a pathogenetic mechanism in Crohn's disease. We have performed a prospective nailfold capillaroscopy study in seven patients with acute Crohn's disease. Minor nailbed abnormalities were frequently observed and three patients presented with major capillary dystrophy. These features are similar to those observed in some systemic vasculitis.
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