[Bone mineral density in patients with Crohn's disease. Contribution of bone densitometry in 53 cases].

Fifty-three patients with Crohn disease were included in a prospective study. Bone mineral density was measured at the femoral neck and lumbar spine by dual-energy X-ray absorptiometry. Ten variables were analyzed in search of an association with bone demineralization; Age, sex, nutritional state, smoking, duration of the disease, hormonal status, inflammatory syndrome, site of disease: ileal, colic or ileocolic, accumulated doses of corticoids and intestinal resection.

[Place of endoscopic variceal ligation for the prophylaxis of rebleeding from oesophageal varices. Prospective study about 102 cases].

The aim of this study was to assess the efficacy and morbidity of endoscopic variceal ligation for the prophylaxis of rebleeding from oesophageal varices. This work is a prospective study including 102 patients having had at least one episode of variceal bleeding. The mean age is 52.