Laryngeal Hemiplegia (roaring)
Article
Surgical Options for Managing Roaring in Horses
Numerous factors go into selecting the appropriate surgical procedure to treat equine roaring.
Photo by Anne M. Eberhardt
Article
Study: Modified Surgery for Roaring Treatment Effective
Study finds that modified version of laryngoplasty surgery is effective in treating roaring in horses.
Photo by Eric J. Parente, DVM, Dipl. ACVS
Article
Ask the Vet LIVE: Upper-Respiratory Disorders, April 19
Topics discussed will include roaring, dorsal displacement of the soft palate, epiglottic entrapment, and more
Photo by Anne M. Eberhardt
Article
Equine Guelph Releases Report on 3-D Ultrasound Research
September 20, 2012
Chalmers' goal is to provide owners with a reliable and inexpensive way to screen horses for roaring.... Read More
Article
Surgical Options for Managing Roaring in Horses
August 22, 2012
Numerous factors go into selecting the appropriate surgical procedure to treat equine roaring.... Read More
Article
Study: Modified Surgery for Roaring Treatment Effective
July 20, 2012
Study finds that modified version of laryngoplasty surgery is effective in treating roaring in horses.... Read More
Article
Ask the Vet LIVE: Upper-Respiratory Disorders, April 19
April 10, 2012
Topics discussed will include roaring, dorsal displacement of the soft palate, epiglottic entrapment, and more... Read More
Article
Alternative Treatment for "Roaring" in Horses (AAEP 2011)
March 29, 2012
Researchers recently assessed the feasibility of functional electrical stimulation in roarers.... Read More
Article
In Depth: Evaluating the Upper Respiratory Tract (AAEP 2011)
March 06, 2012
Veterinarians have fine-tuned numerous methods for evaluating the upper respiratory tract for abnormalities.... Read More
Article
Your Horse's Breathing: Roaring, Coughing, and Bleeding
February 01, 2012
A rundown of respiratory diseases commonly observed in performance horses.... Read More
Article
Breathing Easy Key to Equine Performance and Health
January 03, 2012
The respiratory system can be a major cause of poor performance or premature retirement from competition.... Read More
Article
Equine Charity Donation Supports Horse Health at WCVM
April 18, 2011
A $20,000 donation from the Equine Foundation of Canada (EFC) to support horse health at the Western College of Veterinary Medicine (WCVM) on the University of Saskatchewan campus has been doubled by a matching gift program, bringing the total gift ... Read More
Article
Ultrasound Exams for Diagnosing Roaring in Horses
April 04, 2011
Perhaps your horse's performance is lacking, or maybe he sounds like a freight train as he labors through work. He could be suffering from left recurrent laryngeal neuropathy, commonly known as roaring. But how can you get a diagnosis quickly and ... Read More
Article
Arytenoid Chondritis (Breathing Problem)
April 01, 2011
I have an 8-year-old Thoroughbred mare that was diagnosed with arytenoid chondritis. The attending vet was sho... Read More
Article
AVC Gets New Equine Dentistry and Laryngeal Surgery Equipment
March 02, 2011
A donation from the Equine Foundation of Canada (EFC) has allowed the Atlantic Veterinary College (AVC) at the University of Prince Edward Island in Charlottetown to purchase new equipment for equine dentistry procedures and laryngeal surgery. Past ... Read More
Article
Respiratory Tract Abnormalities and Racehorse Performance
March 27, 2010
Abnormalities in the throats of yearling racehorses will negatively impact the horses' athletic potential, making careful evaluation of these structures an important part of the prepurchase examination. "Veterinarians routin... Read More
Article
The Equine Respiratory System
February 01, 2010
Even the slightest deviation from normal in the equine respiratory tract can limit a horse's athletic career.... Read More
Article
'Roaring' Surgery Results Examined in New Studies
January 03, 2010
Surgery to correct "roaring" in National Hunt Thoroughbred racehorses can restore racing performance to levels similar to a matched group of peers in the short term, but career longevity appears to be negatively impacted following the... Read More
Article
Roaring Improved after Electroacupuncture
December 02, 2009
Electroacupuncture--the electrical stimulation of acupuncture points--can be an effective method of controlling laryngeal hemiplegia (roaring), reported researchers performing the technique on horses presented to the Veterinary Medical Center of the... Read More
Article
Upper Respiratory Tract Disorders Evaluated in Detail
October 18, 2009
What do you get when you "scope" 1,005 horses after 230 races, each within 24 minutes of the race, with the cooperation of 97 trainers over 28 race meets? A great deal of valuable data about the equine throat and the impact disorders of the... Read More
Article
Study: Throat Anatomy Differs in DDSP Horses
October 10, 2009
Horses with persistent dorsal displacement of the soft palate (DDSP), an important performance-limiting abnormality of the upper respiratory tract, have a different anatomic location of the larynx than horses with only intermittent DDSP, report... Read More
Article
Diagnosing & Managing Upper Respiratory Tract Disorders
October 01, 2009
Vets armed with accurate diagnoses and targeted surgical procedures can help horses with respiratory problems.... Read More
Article
Tele-View TV-500 Equine Exercise Endoscope
August 03, 2009
Advanced Monitors Corporation announces the release of the Tele-View TV-500 Equine Exercise Endoscope. The Tele-View Equine Exercise Endoscope is an easy-to-use method of analyzing airway restriction problems in the upper respiratory... Read More
Article
Roaring Down the Track: Laryngeal Hemiplegia Basics
May 01, 2009
It is estimated that 3-5% of young Thoroughbreds have left laryngeal hemiplegia, also known as roaring. In laymen's terms this... Read More
Article
Telemetric Endoscopy Could Cure Upper Airway Diagnostic Woes
April 02, 2009
Upper airway disorders, such as dorsal displacement of the soft palate or dynamic collapse of the upper respiratory tract, can be challenging to diagnose in performance horses. Nonetheless, these are important causes of poor... Read More
Article
Endoscopy During Exercise Without a Treadmill, AAEP 2008
March 20, 2009
Dynamic obstructions of the equine respiratory tract are often underdiagnosed or misdiagnosed with resting endoscopy. So veterinarians usually perform endoscopy on exercising horses using treadmills, in order to try to reproduce the exercise... Read More
Article
Laryngeal Model Provides Framework For Surgical Advances
February 11, 2009
To test novel techniques for managing laryngeal hemiplegia, more commonly referred to as "roaring," a research team from Cornell University has created a working model of the equine larynx. Dysfunction of the left recurrent laryngeal nerve... Read More
Article
Laser Surgery Now Available at the Ontario Veterinary College
October 20, 2008
Horses in Ontario, Canada diagnosed with upper airway problems such as "roaring" (also known as left laryngeal hemiplegia) no longer need to be treated under general anesthesia. Nor do they have to shop south of the border for their laser surger... Read More
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Arytenoid Chondritis (Breathing Problem)
Q. I have an 8-year-old Thoroughbred mare that was diagnosed with arytenoid chondritis. What causes arytenoid chondritis, and is it curable? Are there any management changes I can make to keep her comfortable? Is this condition hereditary?








