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Ann N Y Acad Sci. 1990;590:61-7.

A comparison of Q fever endocarditis with native valve endocarditis.

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1
Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.

Abstract

We compared 10 episodes (8 patients) of Q fever endocarditis with 27 episodes (27 patients) of native valve endocarditis. Patients with Q fever endocarditis were more likely to have weight loss (p less than 0.003), experience fatigue (p less than 0.07), have clubbing of the fingers (p less than 0.005), have a diastolic murmur at the time of admission (p less than 0.03), be anemic (p less than 0.05), have a normal white blood cell count (p less than 0.005), and have a higher serum globulin concentration (p less than 0.007). While valve replacement was required for 50% of the episodes in both groups of patients, it was required later--mean 107 days following the onset of treatment--for the Q fever patients than for the native valve patients--mean 27 days. The mortality rates for these two diseases were not significantly different (30% for native endocarditis vs. 12.5% for Q fever endocarditis), but the Q fever patients experienced significantly fewer complications.

[Indexed for MEDLINE]

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