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Infectiologic differential diagnosis of chronic Lyme disease and so ...

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Probable:<br />

IFA IgG 1:1024 <strong>and</strong> one <strong>of</strong> the following criteria:<br />

� Valvular heart <strong>disease</strong><br />

� Known aneurysm<br />

� Prosthetic material in cardiovascular system<br />

� Detection <strong>of</strong> infection on heart valves, vessels <strong>and</strong> vascular prostheses<br />

� Suspicion <strong>of</strong> osteomyelitis<br />

� Suspicion <strong>of</strong> hepatitis<br />

� Pregnancy<br />

� Symptoms <strong>of</strong> a <strong>chronic</strong> infection<br />

(fever, weight loss, night sweats, hepatomegaly, elevated ESR, elevated CRP)<br />

� Granulomatous tissue inflammation<br />

(histologically verified)<br />

� A compromised immune system<br />

Possible:<br />

IFA IgG 1:1024<br />

Frequent follow-up examinations are required during the <strong>disease</strong> course.<br />

On suspicion <strong>of</strong> <strong>chronic</strong> Q fever:<br />

Echocardiography<br />

PET CT scan<br />

Antibiotic treatment <strong>of</strong> <strong>chronic</strong> Q fever:<br />

Doxycycline<br />

Hydroxychloroquine<br />

Macrolides<br />

(azithromycin, clarithromycin, telithromycin)<br />

� Fluoroquinolone<br />

� Trimethoprim <strong>and</strong> sulfamethoxazole<br />

[345, 347-348]<br />

In cases <strong>of</strong> <strong>chronic</strong> Q fever, treatment with doxycycline + hydroxychloroquine as a<br />

long-term treatment, i.e. for 18 months, is recommended [350].<br />

Human parvovirus B19 infection<br />

Pathogen: human parvovirus B19<br />

48

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