2003, Number 2
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Rev Biomed 2003; 14 (2)
Toxoplasmosis: oportunistic infection in patients with acquired immunodeficiency syndrome
Martín-Hernández I, García-Izquierdo SM
Language: Spanish
References: 60
Page: 101-111
PDF size: 50.20 Kb.
ABSTRACT
Objectives: To provide the reader with general aspects of toxoplasmosis in AIDS.
Sources of information: Updated articles and books related to the theme. Internet consultation.
Results: Toxoplasmosis is the disease caused by obligate intracellular parasite
Toxoplasma gondii and constitutes an opportunistic infection in HIV-infected individuals with less than 100 CD4 T lymphocytes/µL. This parasitical infection involves a variety of host organs, particularly gastrointestinal tract, lungs, myocardium, brain and eyes. Between 10-50% of HIV-infected patients who are seropositive for
T. gondii develop toxoplasma encephalitis. Toxoplasma retinitis is the second localization of toxoplasmosis in AIDS-patients. The demonstration of toxoplasmosis indicative serology is rarely possible. In the presence of neurotoxoplasmosis clinical suspicion computed tomography and magnetic resonance imaging are recomended. The definitive diagnosis is obtained by biopsy and parasite demonstration. Given the morbidity and mortality of toxoplasmosis in HIVinfected population, there is a great need to develop effective treatments and prophylaxis that permit the prolongation and improvement of these patients' lives.
Conclusions: The frequency of this parasitical infection and the damage it causes in immunocompromised individuals implies the need for a profound analysis of it.
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