Exertional Rhabdomyolysis (tying-up)

Download

Tying-up in Horses

May 01, 2010

Tying-up, also known as azoturia, set fast, or Monday morning disease, is a common equine muscle disease.... Read More

Article

Genetic Diseases in Horses Reviewed for World Equine Vets

October 31, 2009

While genetic diseases exist in a number of horse breeds, many researchers have focused expressly on issues occurring in the Quarter Horse breed. Thanks to their efforts, genetic tests for several disorders specific to this breed are now... Read More

Article

PSSM Genetic Mutation Reported in Some UK Horse Breeds

June 18, 2009

Collaborative efforts between researchers on both sides of the Atlantic have identified that a genetic mutation in enzyme glycogen synthase 1 (GYS1) is an important cause of polysaccharide storage myopathy (PSSM, a form of... Read More

Article

UK Incidence of Polysaccharide Storage Myopathy Reported

May 21, 2009

Not only is polysaccharide storage myopathy (PSSM) a common and important muscular disorder in various horse breeds in the United States, but according to a recent research report, it is also a common diagnosis in horses in the Unite... Read More

Article

Muscle Disorders in Warmbloods Easily Diagnosed through Biopsy

April 16, 2008

Owners of Warmbloods with debilitating--or sometimes just plain baffling--muscle disorders can get useful and reliable answers about their horses' conditions through a relatively simple muscle biopsy. So say University of Minnesota researchers,... Read More

Article

Polysaccharide Storage Myopathy: Blame It on the Genes

April 11, 2008

A genetic mutation in an enzyme called muscle glycogen synthase might be responsible for polysaccharide storage myopathy (PSSM)--a debilitating and life-threatening disease in horses characterized by abnormally high glycogen (the storage form of... Read More

Article

Service Pony Recovers from Health Crisis

April 10, 2008

Thanks to the skill and kindness of several Texas veterinarians, a blind woman's assistive guide pony is recuperating from serious illness.

Trixie is a nearly 14-year-old Pony of the Americas mare, and she has been Tabitha Darling's service... Read More

Article

2007 Morris Animal Foundation Equine Research Wrap-Up

December 14, 2007

The results of equine research funded by the Morris Animal Foundation (MAF) in 2007 added to scientists' understanding of foal pneumonia, hereditary muscle disorders, laminitis, and pharmacology.

Read More

Article

New Research on PSSM Prevalence, Heritability in Progress

October 04, 2007

Researchers with the University of Minnesota have identified polysaccharide storage myopathy (PSSM) in 6-12% of overtly healthy Quarter Horses on six farms involved in a new study. They also said the disease could be more common within certain... Read More

Article

Incidence and Management of Exertional Rhabdomyolysis

July 03, 2007

Stephanie Valberg, DVM, PhD, professor of large animal medicine and director of the University of Minnesota's Equine Center, tackled the broad subject of skeletal muscle disease related to exercise at the 2006 AAEP Convention.

This has... Read More

Article

Polysaccharide Storage Myopathy Discussion Planned at SmartPak Store

June 14, 2007

Most horse owners are familiar with the term "tying up," which describes the pain and cramping of a horse's muscles with exercise. Veterinarians refer to this condition as exertional rhabdomyolysis, and now recognize a specific type known as... Read More

Download

Muscle Disorders

March 23, 2007

Topics relating to muscle disorders, including diagnostics, covered at the 2006 AAEP Convention.... Read More

Article

Muscle Disorders (AAEP 2006)

March 01, 2007

Careful inspection of a horse's muscle mass and symmetry and hands-on palpation educates the examiner about the horse's muscle tone and comfort level. The examiner also evaluates the horse in motion and conducts a full lameness exam.... Read More

Article

Prevalence of PSSM in Quarter Horses

September 14, 2006

Up to 6% of apparently healthy Quarter Horses could have subclinical polysaccharide storage myopathy (PSSM).... Read More

Article

Inheritance of RER in Thoroughbreds: One Affected Parent Required

January 01, 2006

Recurrent exertional rhabdomyolysis (RER, tying-up) causes affected Thoroughbreds to suffer recurring episodes of muscle cramping, stiffness, excessive sweating, and a reluctance to move after exercise. With no cure available, information on how... Read More

Article

Inheritance of RER in Thoroughbreds

November 21, 2005

Recurrent exertional rhabdomyolysis (RER) causes affected Thoroughbreds to suffer recurring episodes of muscle cramping, stiffness, excessive sweating, and a reluctance to move after exercise. With no cure available, information on how RER might... Read More

Article

Medicinal Control of Tying-Up

December 01, 2004

Dantrolene sodium (Dantrium) is used to control exertional rhabdomyolysis (ER, also called tying-up) in horses. Diagnosis of ER is typically confirmed by a finding of increased serum creatine kinase (CK), which is often greater than 1,000 IU at... Read More

Article

Good/Bad Effects of Antioxidants

July 01, 2004

In a society that is trying to slow the aging process, free radicals and antioxidants are terms that are regularly tossed around. One might not realize their importance in horses, but researchers continue to pursue the details of how and why the... 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

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

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

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

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