Laminitis Dr. Charlotte Kin Exclusively Equine Veterinary Services, PC. Dave & MaryAnn Crabtree Crabtree Farrier Services

Dr. Charlotte Kin: Credentials USDF Bronze and Silver Medalist USDF “L” Judges Program Graduate USPC “HA” Graduate USPC National Visiting Instructor Former Member of NCAA National Champion OSU Equestrian Team

Dr. Charlotte Kin: Credentials Graduated from OSU College of Vet Med Internship: Rood & Riddle Equine Hospital Lexington, KY Residency in Equine Practice: Oakridge Equine Hospital Edmond, OK Owner of Exclusively Equine Veterinary Services

Dr. Charlotte Kin: Spare Time

What is LAMINITIS? Also referred to as FOUNDER Laminitis=acute inflammation Founder=chronic laminitis

What is LAMINITIS? Inflammation that leads to disruption of the blood-flow to the sensitive & insensitive lamina Disruption of the attachment mechanism between the sensitive & insensitive lamina Lamina attach the coffin bone to the hoof capsule.

Laminitis: Rotation In the normal position the coffin bone sits parallel to the hoof capsule Rotation occurs when the coffin bone (P3) rotates away from the hoof capsule

Laminitis: Rotation

Laminitis: Rotation In severe cases the bone and hoof wall separate and the coffin bone may be displaced downward.

Laminitis: Sinking In the most severe cases the coffin bone can sink and penetrate the bottom of the sole. This can lead to sloughing of the hoof capsule.

What are the signs of LAMINITIS? Lameness especially when turning in circles Shifting weight back and forth. Pain in the toe region when hoof testers are applied.

What are the signs of LAMINITIS? Saw-horse stance “walking on eggshells” Increased digital pulse Heat in the feet

What are the signs of LAMINITIS? Reluctant or unable to rise Hemorrhage visible on sole Separation and abscess formation

What are the signs of LAMINITIS? CHRONIC FOUNDER Chronic lameness Rings in hoof capsule Aladdin's shoe Chronic abscesses

What are the signs of LAMINITIS? CHRONIC FOUNDER “seedy toe”-widened white line Dropped soles or flat feet Dished hooves

What are the causes of LAMINITIS? “Grass Founder” “Grain Overload” Abrupt changes in diet

What are the causes of LAMINITIS? Endotoxemia High fever or illness Severe colic or diarrhea (colitis)

What are the causes of LAMINITIS? Retained placenta “Road founder” Injury to another limb causing excessive weight bearing

What are the causes of LAMINITIS? Prolonged use of steroids (not that kind of steroids) Primary foot disease Black walnut shavings

What are the causes of LAMINITIS? Previous laminitis Endocrine diseases-CUSHINGS DISEASE.

What is the treatment for LAMINITIS? GRAIN OVERLOAD CALL VET IMMEDIATELY NG tube-pump stomach & administer charcoal or oil Anti-inflammatories Anti-endotoxic drugs Vasodilators

What is the treatment for LAMINITIS? Identify & treat primary problem The sooner the better! Anti-inflammatories IV fluids +/- DMSO

What is the treatment for LAMINITIS? Antibiotics Vasodilators-acepromazine, isoxiprine Sand or deep bedding Pull shoes Radiographs

What is the treatment for LAMINITIS? Open and drain abscesses Frog support Coronary grooving Dietary restrictions

What is the treatment for LAMINITIS? Ice legs COOPERATION BETWEEN VET AND FARRIER!!!! LONG TERM TREATMENTS……

What is the long term prognosis & maintaince for LAMINITIS? Some horses suffer an acute episode and go on to live normal lives. Most require maintaince treatments Some horses are so severe that they are euthanized for humane reasons

What is the long term prognosis & maintaince for LAMINITIS? Radiographs before shoeing and resetting shoes. Important to have good working relationship with vet and farrier. Dietary restrictions: little or no grass, low carb high fat grain.

What is the long term prognosis & maintaince for LAMINITIS? Good health maintaince program to prevent other diseases that may induce laminitis. Anti-inflammatory medications-BUTE Hoof growth supplement

How do I prevent LAMINITIS? Keep grain locked up!! Gradually introduce horses to green pasture. Good hoof care Good preventative health care program If you suspect laminitis call you vet IMMEDIATELY!

Any Questions???