[Coxiella burnetii endocarditis on a mechanical valvular prosthesis. Apropos of 2 cases].

The authors report two cases of prosthetic valve endocarditis due to Coxiella burnetii. The histories were chronic and complex suggesting an auto-immune disease: prolonged recurrent fever despite antibiotic therapy with a biological inflammatory syndrome whilst blood cultures remained negative. The first patient presented with prosthetic valve dehiscence and acute glomerulonephritis.

[Neurologic diseases in Niger].

The authors report the results of a study realized at National Hospital of Niamey (Republic of Niger) from october 1981 to may 1986. Among 4820 patients living in Western Niger, 410 (8.5%) had neurological disorders.

[Idiopathic annular submitral aneurysm. Contribution of echography apropos of 5 cases].

The authors report 5 cases of annular subvalvular left ventricular idiopathic aneurysm observed within less than 4 years (April 1984 to October 1987) at the hospital of Niamey, Niger. All 5 patients were examined by echocardiography, an exploratory technique which is new for this type of disease. The condition is rare and has been described mostly in black people living in African countries.