Abstract
We present an original severe case of tularemia with cutaneous damage, lymphadenopathy and pericarditis; pathology of increasing incidence in Europe due to global warming. A 33-years-old women consulted emergency unit for altered general condition, anorexia, hyperthermia at 38,3°C, dyspnea and dry cough evolving for few days. Her only history was Crohn's disease with introduction of an anti-TNF alpha for 3months. The interrogation found regular forest walks». Treatment with Amoxicillin/clavulanic acid 1g 3times daily and curative anticoagulation was started after the initial diagnosis of infectious pneumonia associated with pulmonary embolism. The patient reconsulted 2weeks later for clinical deterioration associated with skin lesions. The chest CT scan showed increased mediastinal lymphadenopathy and a circumferential pericardial effusion; quantified at 5mm on transthoracic ultrasound. Tularemia serology was positive in IgG at 400IU/mL. Despite an adapted antibiotic therapy with Ciprofloxacin, the patient presented a new brutal clinical deterioration. A pericardiocentesis was performed and the analysis revealed a predominantly neutrophilic exudate and a strongly positive PCR Francisella tularensis. Gentamicin 5mg/kg was associated allowing a resolution of the symptoms. Tularemia is one of the pathologies whose atypical presentation with pericarditis (favored by a certain immunodepression) worsens the prognosis. Global warming influences the epidemiology of inoculation diseases, including tularemia, making it more frequent.
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