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Q fever endocarditis: a report of 2 cases
South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|February 25, 1978
Summary
Q fever endocarditis, a serious infection, presents with persistent negative blood cultures and resistance to standard antibiotics. Prompt diagnosis and tetracycline therapy are crucial for successful treatment in these challenging cases.
Area of Science:
- Infectious Diseases
- Cardiology
- Nephrology
Background:
- Q fever endocarditis is a severe manifestation of Coxiella burnetii infection.
- Diagnosis can be challenging due to atypical presentations and negative blood cultures.
Observation:
- Two patients with Q fever endocarditis exhibited prolonged illness and resistance to conventional antibiotics.
- Characteristic features included persistently negative blood cultures and a significant response to tetracycline.
Findings:
- Complications observed were arteriovenous thromboembolism and hepatic enlargement.
- One patient developed immune complex glomerulonephritis, a serious renal complication.
Implications:
- Consider Q fever endocarditis in infective endocarditis cases with negative blood cultures and poor response to standard therapy.
- Early recognition and targeted tetracycline treatment are vital for improved patient outcomes.