An Epidemiological Approach to Studying Laminitis

One researcher believes studying diseases, like laminitis, in a real-world setting has both strengths and limitations.
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One reason laminitis is so challenging to study is that it can result from many different primary diseases—from metabolic disorders to black walnut exposure. Researchers might be able to make headway, however, if they take an epidemiological approach to studying the disease. Epidemiologist Noah Cohen, VMD, MPH, PhD, Dipl. ACVIM, a professor in Texas A&M University's Department of Large Animal Clinical Sciences, shared how this approach might improve our understanding of laminitis at the International Equine Conference on Laminitis and Diseases of the Foot, held Nov. 1-3 in West Palm Beach, Fla.

Most laminitis researchers base their work on experimentally induced disease models (e.g., by exposing a horse to black walnut extract), which Cohen said does not accurately reflect spontaneous disease and its diverse causes. Epidemiology, on the other hand, entails studying naturally occurring disease (e.g., in a retrospective or clinical case study), with natural (“real world”) exposures that lead to disease.

"Epidemiological studies have much to offer for improving our understanding of laminitis, including identifying predisposing factors," he said. These studies are not, however, without flaw, so Cohen described both advantages and limitations to this approach

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Alexandra Beckstett, a native of Houston, Texas, is a lifelong horse owner who has shown successfully on the national hunter/jumper circuit and dabbled in hunter breeding. After graduating from Duke University, she joined Blood-Horse Publications as assistant editor of its book division, Eclipse Press, before joining The Horse. She was the managing editor of The Horse for nearly 14 years and is now editorial director of EquiManagement and My New Horse, sister publications of The Horse.

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