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[Haemophilus parainfluenzae--a rare cause of endocarditis]

Dragan Ledina1, Jakica Karanović, Ivo Ivić

  • 1Odjel za zarazne bolesti, Klinicka bolnica Split, Split, Hrvatska. dledina@krizine.kbsplit.hr

Acta Medica Croatica : Casopis Hravatske Akademije Medicinskih Znanosti
|June 26, 2007
PubMed

Insights

This case study highlights Haemophilus parainfluenzae endocarditis, a rare infection, in a young athlete. Successful treatment involved a four-week intravenous course of amoxicillin-clavulanic acid and gentamicin.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Haemophilus parainfluenzae endocarditis is a rare condition, often linked to oral procedures.
  • This case involves a young athlete with no prior heart conditions or risky medical exposures.

Observation:

  • The patient presented with peripheral embolizations, including splinter hemorrhages and petechiae.
  • A vegetation was identified on the dorsal mitral valve via echocardiography.
  • Blood cultures confirmed Haemophilus parainfluenzae after a seven-day incubation period.

Findings:

  • Treatment with intravenous amoxicillin-clavulanic acid and gentamicin for four weeks was initiated.
  • Subsequent oral therapy with amoxicillin-clavulanic acid continued for two weeks.
  • Echocardiography post-treatment revealed the complete disappearance of the endocardial vegetation.

Implications:

  • This case demonstrates a successful treatment protocol for a rare form of infective endocarditis.
  • Long-term follow-up confirmed no pathological aberrations, suggesting a favorable prognosis.
  • Highlights the importance of considering Haemophilus parainfluenzae in infective endocarditis, even without typical risk factors.

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