Relation of serum 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) level to hematological examination results in veterans of operation ranch hand

Joel E. Michalek, Fatema Z. Akhtar, Matthew P. Longnecker, Joseph E. Burton

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The authors studied indices of hematologic function and exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in Vietnam War veterans of Operation Ranch Hand - the Air Force unit responsible for the aerial spraying of Agent Orange and other herbicides in Vietnam. The herbicides were contaminated with TCDD. The authors measured TCDD serum levels in 1987 or later and extrapolated the result to the time of service in Vietnam. The authors studied serum TCDD level in relation to red blood cell count, hemoglobin, hematocrit, mean corpuscular volume, white blood cell count, platelet count, and erythrocyte sedimentation rate at each of 4 physical examinations. Compared with veterans not involved in Operation Ranch Hand, those with the highest TCDD levels in Operation Ranch Hand had mean corpuscular volumes that were about 1% higher and platelet counts that were about 4% higher. These small increases were unlikely to be of clinical significance and may not have been caused by TCDD.

Original languageEnglish (US)
Pages (from-to)396-405
Number of pages10
JournalArchives of Environmental Health
Volume56
Issue number5
DOIs
StatePublished - 2001

Keywords

  • Agent Orange
  • Dioxin
  • Hematology
  • TCDD

ASJC Scopus subject areas

  • Environmental Chemistry
  • Environmental Science(all)
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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