RESUMEN
Do we bring back the observation of a patient aged of 42 years having a mitro-aortic valvulopathy who present since 3 months a level III dyspnea, a fever to 39 degree C, a change of the general state and a splenomegaly. To the chest x-ray we note a pulmonary parenchymatous focus. Echocardiography puts in evidence a mitral illness to stenosis predominance and an aortic illness complicated of a graft bacterial with an abscess of the mitro-aortic trigone. Haemocultures were negative and the serology of the Rickettsia was positive. The diagnosis of infective endocarditis to Coxiella Burnetii is kept and is the patient put under Doxycycline 200mg/j, Hydroxychloroquine 2cp/j and Ofloxacine 400mg/j, Will the two first antibiotics be pursued to the 18th month. The patient benefited, after 20 days of three antibiotics therapy, of a duplicate aortic and mitral replacement with simple following