Recent News for Metabolic Problems

Article

Cushing's Disease and Laminitis--Not Just Old Horses

April 01, 2004

Researchers recently revealed that Cushing's disease is a major contributing factor to laminitis among horses in a primary care veterinary practice, and that the median age of laminitic Cushing's horses was 151/2years--disproving tha... Read More

Article

Obesity and Cushing's Disease

April 01, 2004

There is speculation that metabolic syndrome could be a factor in horses which develop Cushing's disease. ... Read More

Article

Diet: When Horses Need Less Carbs

April 01, 2004

Research suggests some horses (growing foals, laminitic horses, etc.) could do well on low-glycemic diets. ... Read More

Article

AQHA Board of Directors Votes on Key Rule Changes at Convention

March 11, 2004

The American Quarter Horse Association Board of Directors voted Tuesday on the recommendations of the AQHA standing committees as approved in the general membership meeting. The following is the final results of the vote regarding hyperkalemic... Read More

Article

Diseases of Dietary Origin

March 01, 2004

The axiom, "You are what you eat" does have relevance to horses with regard to health and well-being. Although horses have evolved to eat plant material, not all plants are safe to eat. Some food substances directly exert toxic effects, while... Read More

Article

The Future of Horses with HYPP

December 30, 2003

Letter to the Editor: This letter must begin by saying how proud I am of a man whom I have never met. His name is Steve Stevens of Houston, TX, the current president of the American Quarter Horse Association (AQHA). Mr.... Read More

Article

Dietary Clues to Tying-Up

June 20, 2003

Recurrent exertional rhabdomyolysis (RER, a type of tying-up) is an inherited disorder in Thoroughbreds. Research suggests that RER involves an abnormality in the regulation of calcium in muscle cells. High-grain diets have been implicated as... Read More

Article

Equine Metabolic Syndrome and Laminitis

May 01, 2003

Of particular interest to horse owners was Johnson's black-and-white linkage of the newly termed EMS condition with laminitis and obesity. "Obesity-associated insulin refractory state" was Johnson's precise description of "Equine Metabolic Syndrome" ... Read More

Article

Speed Limit

March 05, 2003

The racing Thoroughbred is trapped between a rock and a hard place. The rock is speed, which evolved slowly by natural selection for 50 million years, then rapidly by human hand the last 500. The hard place is where we find our ward today, beset... Read More

Article

When Your Horse's Muscles Ache

March 01, 2003

Equine muscle injuries are often elusive, leading to frustration for the rider and a challenging diagnosis. ... Read More

Article

AAEP Convention: Peripheral Cushing's

March 01, 2003

Peripheral Cushing's syndrome (PCS) is a recently named problem seen in middle-aged horses and ponies with obesity-associated laminitis. These horses tend to accumulate fat in the crest of the neck, over the rump, and in the sheath of males. It... Read More

Article

AAEP 2002: Vitex Agnus Castus Extract for Treatment of Equine Cushing's Syndrome

February 21, 2003

Vitex agnus castus extract (Chaste Berry) has been reputed to have therapeutic efficacy in the treatment of Equine Cushing’s syndrome. However, results of a study at the University of Pennsylvania’s New Bolton Center repudiated these... Read More

Article

Diagnosis and Treatment of Rhabdomyolysis in Foals

February 13, 2003

We hear a lot about a horse experiencing rhabdomyolysis (tying-up) during or after exercise. However, foals are also susceptible to muscle damage. Stephanie Valberg, DVM, PhD, of the University of Minnesota, presented "A Review of the Diagnosis... Read More

Article

AAEP 2002: Thyroid Function in Horses with Peripheral Cushing's Syndrome

January 07, 2003

Peripheral Cushing's syndrome (PCS) is seen in middle-aged horses with obesity-associated laminitis. These horses tend to accumulate fat in the crest of the neck, over the rump, and in the sheath of male horses. Researchers are trying to... Read More

Article

Locked Into Place

August 01, 2002

Much has been learned about exertional rhabdomyolysis (tying-up) in recent years, but unfortunately some of that knowledge has been troubling. For example, at least one newly recognized cause of tying-up in foals has, in identified cases, always... Read More

Article

Polysaccharide Storage Myopathy and Back Pain

August 01, 2002

As many as 40% of all cases of equine back pain are the result of soft tissue injury. The primary causes include chronic and recurrent exertional rhabdomyolysis (CER and RER, respectively), and an inherited enzyme deficiency called polysaccharid... Read More

Article

Tying-Up in Horses

July 01, 2002

Tying-up is the most common muscle problem in horses. This syndrome is also called azoturia, set fast, paralytic myoglobinuria, and chronic exertional rhabdomyolysis (ER). HYPP (hyperkalemic periodic paralysis) in Quarter Horses is a different... Read More

Article

Environmental Factor in Cushing's?

June 01, 2002

I have been treating an aging pony mare for Cushing's syndrome. She had been chronically foundering for three years when she abruptly started exhibiting diabetic symptoms. After reading your article on Cushing's and conferring with my... Read More

Article

AAEP Convention 2001: General Medicine

February 01, 2002

Hormone Responses to Feeds Joe Pagan, PhD, owner of Kentucky Equine Research in Versailles, Ky., discussed glycemic response in growing horses as an indicator of developmental orthopedic disease. He said looking at diet and... Read More

Article

General Medicine: The Michigan Cushing's Project

November 26, 2001

There have been advancements in the diagnosis and treatment of Cushing’s disease; however, previously there were no studies comparing the two most used medications—pergolide, a dopaminergic agonist, and cyproheptadine, a serotonin... Read More

Article

Cushing's and Seizures?

November 05, 2001

Seizures are rare in the horse, and adult horses especially have a high seizure threshold. Cushing's disease can cause seizures, but they are very rarely seen with this disease.... Read More

Article

Exertional Rhabdomyolysis

October 10, 2001

Tying-up is a problem that has troubled horses and their owners for many years, and it has been known by many names. The old-timers who battled the syndrome in their draft horses following a Sunday away from the fields called it Monday morning... Read More

Article

HYPP: Hyperkalemic Periodic Paralysis

October 10, 2001

They gave the muscular Quarter Horse colt an ambitious name: Impressive. He lived up to the name in such dramatic fashion that it became a household word in Quarter Horse circles - especially among breeders and exhibitors involved in showing... Read More

Article

Medical Messengers--British Equine Veterinary Association

October 08, 2001

The annual meeting of the British Equine Veterinary Association provided a wealth of information on topics ranging from tendons and ligaments to muscle diseases, from disorders of the back to conformation. Sue Dyson, MA, VetMB, PhD, DEO, FRCVS,... Read More

Article

Tying Up is Split Up

October 01, 2001

Muscle disease in performance horses commonly is referred to as tying-up, exertional rhabdomyolysis, azoturia, or Monday morning disease. Horses experiencing tying-up show a stiff gait; reluctance to move; firm, painful muscle cramps; profuse... Read More