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Query: UMLS:C0032285 (pneumonia)
 54,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pulmonary infection is a frequent and serious complication following kidney transplantation. Increased susceptibility to infection is due to a decrease in the patient's immunological response caused by immunosuppression through drug administration, and by other influences. The majority of bacterial sources are gram-negative, often hospital strains. The most important gram-positive bacterium is Staphylococcus aureus. Lung tb occurs with a 10-25 times higher frequency than in the rest of the population. Nocardial and Legionella pneumonias are no exception. Candida and Aspergillus are the most common fungus infections. They affect patients weakened by previous bacterial or virus infections. Cytomegalovirus is the most serious among the latter. The disease is usually accompanied by fever, leukopenia, thrombocytopenia and hepatitis. Pneumocystic pneumonia is characterized by a rapid progression of hypoxemia without any marked skiagraphical changes. Disseminated toxoplasmosis affects also the central nervous system simultaneously with the lungs, and the clinical picture shows a combination of interstitial pneumonia and a focal neurological finding with consciousness impairment.
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PMID:[Lung infection after kidney transplantation. I. Etiology, pathogenesis and clinical picture]. 236 54

Disseminated toxoplasmosis in patients with acquired immunodeficiency syndrome is often a central nervous system disease but may be seen as myocarditis or pneumonitis. Toxoplasmic colitis is a rarity. We report a case of toxoplasma colitis in a patient with diarrhea and hypokalemia. The microorganisms were identified in the colonic mucosa on H&E sections and confirmed by immunoperoxidase study.
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PMID:Disseminated toxoplasmosis as a cause of diarrhea. 763 Dec 16

Disseminated toxoplasmosis is a life-threatening infection in transplant recipients, which results either from reactivation of latent infection or from organ-transmitted primary infection. Preventive measures and diagnostic screening methods differ between countries and are related to the seroprevalence of Toxoplasma spp. in the general population. Here we report a case of disseminated toxoplasmosis in a heart transplant recipient with previous immunity that occurred after cotrimoxazole prophylaxis for the prevention of Pneumocystis jirovecii pneumonia was stopped. Quantitative PCR proved useful for the diagnosis and monitoring of Toxoplasma infection. Decreasing parasitic burdens in sequential samples of cerebrospinal fluid, blood, and bronchoalveolar lavage fluid correlated with a favorable outcome and allowed modulation of the immunosuppressive drug regimen. The duration of anti-Toxoplasma treatment and the need for maintenance prophylaxis are discussed, as well as prophylaxis for solid-organ transplant recipients. Although a rare event in heart transplant recipients, Toxoplasma reactivation must be investigated promptly, since early treatment improves the prognosis.
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PMID:Correlation of parasite load determined by quantitative PCR to clinical outcome in a heart transplant patient with disseminated toxoplasmosis. 2046 67