Human granulocytic ehrlichiosis

Common Name(s)

Human granulocytic ehrlichiosis

Human granulocytic ehrlichiosis (HGE), also called human granulocytic anaplasmosis (HGA), is caused by a bacteria that attacks granuloyctes, a type of white blood cells. HGE is spread by the bite of an infected deer tick. Most cases of HGE in the United States occur in the Northeast, mid-Atlantic, and upper Midwest regions. HGE can occur at any time of the year, with symptoms appearing usually 7 to 14 days after being bitten by an infected tick. Symptoms of HGE include fever, headache, chills, muscle ache, and fatigue. Less common symptoms include abdominal pain, nausea, vomiting, diarrhea, cough, and joint aches. HGE can be treated with antibiotics, but it is important to begin treatment early to prevent potential life-threatening complications from developing.

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Human granulocytic ehrlichiosis" for support, advocacy or research.

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General Support Organizations

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Human granulocytic ehrlichiosis" returned 121 free, full-text research articles on human participants. First 3 results:

Human granulocytic ehrlichiosis complicating early pregnancy.
 

Author(s): Tyler Muffly, T Chad McCormick, Christopher Cook, Jeffrey Wall

Journal: Infect Dis Obstet Gynecol. 2008 ;2008():359172.

 

The goal of this case is to review the zoonotic infection, human granulocytic ehrlichiosis, presenting with pyrexia. Case. A 22-year-old multigravid female presented to the emergency department with a painful skin rash, high fever, and severe myalgias. The patient underwent a diagnostic ...

Last Updated: 29 May 2008

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Concomitant tickborne encephalitis and human granulocytic ehrlichiosis.
 

Author(s): Stanka Lotric-Furlan, Miroslav Petrovec, Tatjana Avsic-Zupanc, Franc Strle

Journal: Emerging Infect. Dis.. 2005 Mar;11(3):485-8.

 

We report a patient with febrile illness and epidemiologic and clinical findings consistent with human granulocytic ehrlichiosis and tickborne encephalitis, in whom infection with Anaplasma phagocytophilum was demonstrated by polymerase chain reaction and seroconversion. Tickborne ...

Last Updated: 10 Mar 2005

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In vivo and in vitro studies on Anaplasma phagocytophilum infection of the myeloid cells of a patient with chronic myelogenous leukaemia and human granulocytic ehrlichiosis.
 

Author(s): M Bayard-Mc Neeley, A Bansal, I Chowdhury, G Girao, C B Small, K Seiter, J Nelson, D Liveris, I Schwartz, D F Mc Neeley, G P Wormser, M E Aguero-Rosenfeld

Journal: J. Clin. Pathol.. 2004 May;57(5):499-503.

 

The occurrence of human granulocytic ehrlichiosis (HGE) in a patient with chronic myelogenous leukaemia (CML) provided an opportunity to study whether Anaplasma phagocytophilum, the aetiological agent of HGE, infects mature or immature cells, both in vivo and in vitro.

Last Updated: 28 Apr 2004

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Human granulocytic ehrlichiosis" returned 3 free, full-text review articles on human participants. First 3 results:

Current management of human granulocytic anaplasmosis, human monocytic ehrlichiosis and Ehrlichia ewingii ehrlichiosis.
 

Author(s): Rachael J Thomas, J Stephen Dumler, Jason A Carlyon

Journal: Expert Rev Anti Infect Ther. 2009 Aug;7(6):709-22.

 

Anaplasma phagocytophilum, Ehrlichia chaffeensis and Ehrlichia ewingii are emerging tick-borne pathogens and are the causative agents of human granulocytic anaplasmosis, human monocytic ehrlichiosis and E. ewingii ehrlichiosis, respectively. Collectively, these are referred to as ...

Last Updated: 17 Aug 2009

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Human granulocytic ehrlichiosis.
 

Author(s): J S Bakken, J S Dumler

Journal: Clin. Infect. Dis.. 2000 Aug;31(2):554-60.

 

Human granulocytic ehrlichiosis is a recently recognized tick-borne infectious disease, and to date >600 patients have been identified in the United States and Europe. Most patients have presented with a non-specific febrile illness occurring within 4 weeks after tick exposure or ...

Last Updated: 7 Dec 2000

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Is human granulocytic ehrlichiosis a new Lyme disease? Review and comparison of clinical, laboratory, epidemiological, and some biological features.
 

Author(s): J S Dumler

Journal: Clin. Infect. Dis.. 1997 Jul;25 Suppl 1():S43-7.

 

Human granulocytic ehrlichiosis (HGE) and Lyme disease are caused by infectious agents transmitted by deer ticks (Ixodes scapularis). Because of the shared tick vector and increased seroprevalence of HGE in patients with Lyme disease, there is some confusion about the identity of ...

Last Updated: 23 Oct 1997

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