Clinico-Hematological Findings of Acute Pediatric Visceral Leishmaniasis Referred to the Northeast of Iran during 2005-2015
To characterize the epidemiological, clinical, hematological and biochemical features of 33 cases hospitalized with pediatric visceral leishmaniasis (PVL) in North Khorasan Province of Iran from 2005 to 2015.
The serological, hematological and biochemical tests were employed in 33 children between 8 months to 6 yr with a final diagnosis of acute visceral leishmaniasis (VL). The diagnosis of VL was established by microscopic demonstration of Leishmania spp. amastigotes inactive bone marrow aspiration (BMA).
The most common presenting features were anemia (82.5%), fever (75%), and hepatosplenomegaly (45.4%). Various hematological parameters showed that most patients were suffering from moderate to severe microcytic hypochromic anemia (78.8% had RBC count less than 4 million cells/ul, 67.7% Hb less than 8 fl). 66.7% of them were leukopenic (WBC: less than 5× 103 /μL) and 24.2% had decreased platelet counts. Pancytopenia was observed in 18.2% of cases. MCV, MCH, and MCHC levels were below the reference range in 88%, 90% and 85.1% of the patients respectively. Moreover, aspartate transaminase (AST) and alanine transaminase (ALT) levels were increased in 53.33% and 6.66% of the patients respectively. 92.9% of cases were C-reactive protein (CRP) positive. Bone marrow was found hyper-cellular in all of them, and myeloid to erythroid ratio (M/E) was more than 4 in 39.1% of cases. Plasma cells slightly were increased in 60% of patients and megakaryocytes were decreased in thrombocytopenic patients.
Bone marrow/splenic aspiration still remains the gold standard test despite its risk and pain for patients.
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