| Longitudinal study of CD4+ cell counts in HIV-negative pregnant patients. | |
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MedLine Citation:
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PMID: 20121393 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate the absolute CD4+, CD8+, and lymphocyte cell counts and percentages from the first trimester through 6-12 weeks post-delivery in normal human immunodeficiency virus (HIV)-negative pregnant patients. METHODS: A longitudinal laboratory analysis was performed during pregnancy that involved 51 HIV-negative subjects with blood analysis obtained in all trimesters, at delivery, and 6-12 weeks post-delivery. Twenty-five HIV-negative non-pregnant controls were also evaluated. Blood was analysed for absolute CD4+, CD8+, and lymphocyte cell counts and percentages. Means, standard deviations, trends, and differences were examined. RESULTS: The mean white blood cell (WBC) count is elevated above the non-pregnant state and this parameter increases through the pregnancy up to and including parturition. The mean absolute lymphocyte cell count, lymphocyte percentage, and absolute CD4+ cell count are significantly lower during pregnancy and the progression through pregnancy appears U-shaped. The mean absolute CD8+ cell count is not significantly different. The CD4+ and CD8+ percentages are higher during pregnancy and this elevation persists into the 6-12 week post-delivery time period. A 3-digit drop in CD4+ percentage is common during pregnancy between blood draws; whereas, a 30% decrease or more in absolute CD4+ cell count is rare. CONCLUSIONS: By longitudinal analysis, pregnancy appears to significantly elevate the mean values of the WBC count, CD4+ percentage, and CD8+ percentage, but significantly decreases the absolute lymphocyte count, lymphocyte percentage, and absolute CD4+ cell count when compared to non-pregnant controls. The mean absolute CD8+ cell count appears to be unaffected. |
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Authors:
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Craig V Towers; Pamela J Rumney; Mark G Ghamsary |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians Volume: 23 ISSN: 1476-4954 ISO Abbreviation: J. Matern. Fetal. Neonatal. Med. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-13 Completed Date: 2011-01-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136916 Medline TA: J Matern Fetal Neonatal Med Country: England |
Other Details:
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Languages: eng Pagination: 1091-6 Citation Subset: IM |
Affiliation:
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Long Beach Memorial Women's Hospital, Long Beach, CA, USA. drtowers@rbcpress.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult CD4-CD8 Ratio* Case-Control Studies Female HIV Seronegativity Humans Longitudinal Studies Pregnancy* Reference Values Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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