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Study reveals link between oil spill exposure and hematologic and hepatic toxicity
Date:9/16/2013

Philadelphia, PA, September 17, 2013 A new study reports that workers exposed to crude oil and dispersants used during the Gulf oil spill cleanup display significantly altered blood profiles, liver enzymes, and somatic symptoms compared to an unexposed control group. Investigators found that platelet counts were significantly decreased in the exposed group, while both hemoglobin and hematocrit levels were notably increased. Their findings, reported in The American Journal of Medicine, suggest that oil spill cleanup workers are at risk for developing hepatic or blood-related disorders.

In April 2010, Deepwater Horizon, an offshore drilling rig owned by British Petroleum (BP) exploded, spewing over 200 million gallons of oil into the Gulf of Mexico. In order to break down the oil slick, BP used nearly 2 million gallons of dispersants like COREXIT, and an estimated 170,000 workers participated in the cleanup effort. Currently, COREXIT is banned in the United Kingdom because of its potential risk to cleanup workers.

While other studies have identified a relationship between oil spills, dispersants, and human health, this new research from the University Cancer and Diagnostic Centers, Houston, TX, led by G. Kesava Reddy, PhD, MHA, and Mark A. D'Andrea, MD, FACRO, focuses primarily on the link between oil spill exposure and hematologic and hepatic functions in subjects who had participated in the oil spill cleanup operation. The investigators looked at a total of 247 subjects between January 2010 and November 2012, with 117 subjects identified as exposed to the oil spill and dispersants by participating in the cleanup over the duration of three months. The unexposed control group of 130 subjects was comprised of people living at least 100 miles away from the Gulf coast of Louisiana.

Using medical charts, demographic and clinical records, the team reviewed specific data points such as white blood cell (WBC) counts, platelet counts,
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Contact: Jane Grochowski
ajmmedia@elsevier.com
406-542-8397
Elsevier Health Sciences
Source:Eurekalert

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