Manual Lymph Drainage to aid in Laminitis Treatment?
Danish doctors pioneered manual lymph drainage (MLD), a noninvasive therapy resembling massage, in humans in the 1930s. European practitioners have since performed the technique when managing human conditions such as lymphedema and cancer, yet little research exists on its efficacy in horses. Because anecdotal reports support the use of MLD in horses with laminitis, Heather Powell, Vodder, MLD, DLT, EMLD practitioner and founder of Equine MLD, in Worcestershire, United Kingdom, conducted a study to examine the therapy's efficacy in laminitis cases. She presented her results at the 2013 International Equine Conference on Laminitis and Diseases of the Foot, held Nov. 1-3 in West Palm Beach, Fla.
First, let's review a few of the lymphatic system's functions. The system's primary purpose is to transport proteins and plasma that have left the blood circulatory system, carrying oxygen and nutrients, back to the blood circulation via a network of conduits called lymphatic vessels. These vessels also serve an immune purpose: If any of the cells they transport are bacteria or viruses, the lymph nodes (with which they connect along the way) will recognize them as such and initiate a defensive response. Additionally, the lymphatic system carries certain essential fatty acids into the body.
Powell described the lymphatic system as "essential for fluid homeostasis and immune surveillance, intimately involved in inflammatory diseases, and having functional roles in fat metabolism and metabolic syndrome."
The purpose of MLD, therefore, is to encourage natural "lymph" drainage from the body's tissues using a specific amount of pressure in rhythmic, circular motions—starting from the point where the lymphatic system connects with the bloodstream (in horses, just in front of the shoulder blade) and working toward the affected area of the body. Because MLD has the potential to relieve inflammation and edema (fluid swelling) and drain toxins and fluid from the hoof, Powell suggested veterinarians should integrate it into acute laminitis
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