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Ann Intern Med. 1996 Dec 1;125(11):904-8.

Human granulocytic ehrlichiosis: a case series from a medical center in New York State.

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1
New York Medical College, Valhalla, USA.

Abstract

BACKGROUND:

Human granulocytic ehrlichiosis (HGE) is a newly described illness with few reports in the literature.

OBJECTIVE:

To describe the clinical and laboratory feature of HGE.

DESIGN:

Case series.

SETTING:

Tertiary care facility in New York State.

PATIENTS:

18 adult patients with HGE.

MEASUREMENTS:

Epidemiologic, clinical, and laboratory features; treatment; and outcome of patients with HGE.

RESULTS:

Patients presented with such symptoms as fever (94%) and myalgia or arthralgia (78%). Thirteen patients (71%) recalled being bitten by a tick before onset of symptoms. Leukopenia or thrombocytopenia was seen in 82% of patients, and abnormal liver enzyme levels were seen in 81%. Results of polymerase chain reaction were positive in 9 of 12 patients (75%); morulae were seen in 3 of 12 patients (25%); and the agent that causes HGE was cultured from 2 patients. All but one patient (94%) developed antibodies to Ehrlichia equi. Five patients (28%) were briefly hospitalized, and none died. All patients were successfully treated with doxycycline.

CONCLUSIONS:

The illness associated with HGE in these patients from the northeastern United States was more mild than that originally described in reports of HGE in the midwestern United States.

[Indexed for MEDLINE]

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