Serum C reactive protein in infective endocarditis.

Area of Science:

• Infectious Diseases
• Clinical Chemistry
• Cardiology

Background:

• Infective endocarditis is a serious infection of the heart valves.
• Monitoring treatment response is crucial for patient outcomes.
• C-reactive protein (CRP) is a biomarker of inflammation.

Purpose of the Study:

• To evaluate the utility of serial C-reactive protein (CRP) measurements in monitoring treatment response in patients with infective endocarditis.
• To assess the correlation between CRP levels and clinical recovery.
• To determine if CRP can aid in detecting complications.

Main Methods:

• Serial CRP concentrations were measured in 29 patients diagnosed with infective endocarditis.
• Patients received varying treatments including antimicrobial drugs and valve replacement.
• CRP levels were correlated with treatment outcomes, complications, and clinical status.

Main Results:

• A return to normal CRP levels (<10 mg/l) correlated with satisfactory recovery in 13 patients.
• Five patients showed persistently high CRP, indicating treatment failure; two died, three required valve replacement.
• In patients treated with antibiotics and valve replacement, 9 out of 11 showed normalized CRP.
• Transient CRP rises indicated allergic reactions (2 patients) or intercurrent infections (3 patients).

Conclusions:

• Serial CRP measurements are valuable for monitoring infective endocarditis treatment effectiveness.
• CRP levels can help predict treatment response and identify complications.
• Monitoring CRP aids in early detection of treatment failure, superimposed infections, and allergic reactions.