Luc Gaucher

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In 1956, LIEBOW and HUBBEL defined pulmonary fibrosing haemangioma as a marked vascular proliferation with a marked tendency to fibrosis, papillary vegetations, extensive histiocytic infiltration and haemorrhages at various stages of organisation. More than 70 cases have been reported since. This lesion occurs most often in the middle aged woman. It is(More)
Different ways of using oxygen enrichers have been studied. First, the performances of two different devices were tested: the results were very similar to the constructors' previsions. Second, oxygen concentrations in venturi masks connected to enrichers were measured with a mass spectrometer. The authors suggest to adjust the flow delivered by enrichers at(More)
The authors report 27 cases of severe primary pulmonary infections which resulted in acute respiratory failure and which were treated in a Respiratory Medicine Intensive Care Unit. A bacteriological specimen (blood culture, transtracheal aspiration, fibroscopy, pleural tap) and/or a serological examination permitted the responsible agent to be identified in(More)
Cell-mediated immunity was assessed by three skin tests (using tuberculin, candidin, and Varidase) in one-hundred patients in a medical intensive care unit. Anergy on admission was most often found after major blood loss and massive transfusion as well as in patients over sixty. For the 49 patients who were anergic on admission the mortality rate was 32%,(More)
The authors report a case of a saccular aneurysm of the superior vena cava in a 38 year old female. The diagnosis could only be made at thoracotomy because of the additional difficulty posed by a complete thrombosis of the aneurysmal pocket, which produced a particularly deceptive CT image. This type of lesion is exceptionally rare as a cause of a(More)
Ulcerative colitis (UC) is an inflammatory bowel disease that can on rare occasions affect the respiratory tract. We report the case of a 32-year-old woman suffering from UC, for whom 2-deoxy-2[(18)F]fluoro-D-glucose positron emission tomography ((18)F-FDG PET) was useful, both for diagnosis and management of tracheal involvement. She presented with severe(More)
Permanent pulmonary arterial hypertension is a standard part of the prognosis for patients with chronic respiratory insufficiency. As a decrease of pulmonary arterial hypoxic vasoconstriction may be obtained by calcium antagonists, we studied the effects of nifedipine (10 mg sublingually) in 10 patients with chronic respiratory insufficiency without acute(More)