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Prevalence of Lymphopenia in Children with AIDS

Division of Hematology and Oncology, Children's Medical Center of Brooklyn, New York

Sreedhar P. Rao

Division of Hematology and Oncology, Children's Medical Center of Brooklyn, New York

Scott T. Miller

Division of Hematology and Oncology, Children's Medical Center of Brooklyn, New York

Hematologic abnormalities, such as anemia, neutropenia, lymphopenia, and thrombocytopenia, are frequently observed in patients with acquired immunodeficiency syndrome (AIDS). While lymphopenia has been noted in up to 80% of adults, only 50% of children with AIDS are reported to be lymphopenic. We reviewed the blood counts of hospitalized children with AIDS to determine the frequency of lymphopenia and other hematologic abnormalities. Seventy-four children with AIDS (ages 4 months to 9.5 years) were admitted to Kings County Hospital Center (Brooklyn, New York) from January 1990 to March 1991; data consisted of 709 CBCs (range one to 39, median 11) from 176 admissions (range one to 15). In some patients admitted during the study period, charts from previous admissions were reviewed. Anemia (Hb less than than third percentile for age) was noted in 68 of 74 (92%) patients. Leukopenia (WBC less than 4000/mm ³) was noted in 32 of 74 (43%) patients. Lymphopenia (lymphocyte counts below normal for age) was seen in 59 of 74 (78%) patients; of these, more than half (31 of 59) had persistently low absolute lymphocyte counts. Thrombocytopenia (platelet count less than 150,000/mm³) was seen in 20 of 74 (27%) and was found in four of eight patients who expired. Pancytopenia was seen in nine of 74 (12%) patients. Progression of hematologic abnormalities with anemia followed by lymphopenia, thrombocytopenia, and finally leukopenia was demonstrated in 22 patients. This review shows a prevalence of hematologic abnormalities that is similar to those of previous reports in children except for a considerably higher prevalence of lymphopenia. As expected, lymphopenia was a marker for disease progression.

Clinical Pediatrics, Vol. 33, No. 4, 204-208 (1994)
DOI: 10.1177/000992289403300403


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