Laryngeal Hemiplegia (roaring)

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

Article

Permanent Tracheostomy Safe and Effective in Select Horses

May 08, 2008

Creating a permanent hole in the windpipe of horses through a tracheostomy might be the treatment of choice.... Read More

Article

How Important Is That Airway Exam Grade?

April 17, 2008

The airways of many breeds of horses, particularly Thoroughbreds, are evaluated via an endoscope and graded before sale. The intent is to identify horses whose airways might have problems that could limit the horses' performance at maximal... Read More

Article

Off to the Races: Improved Surgery for "Bad Throats" Safe and Effective

February 23, 2008

Thoroughbred racehorses with obstructed respiratory tracts due to inflammation of the arytenoid cartilage or failed tiebacks treated via unilateral partial arytenoidectomy--a surgical technique that resolves the obstruction--are likely to return... Read More

Article

New Surgery for Roarers Restores Talented Racehorse

September 10, 2007

A new way to correct a respiratory condition commonly called "roaring" has returned a Thoroughbred mare to the track, earning her owners more than $300,000 since her recovery in 2006.

Raging Rapids, a strapping 5-year-old mare, won a race... Read More

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Veterinary News and Awards

March 23, 2007

A recap of the veterinary news and awards from the 2006 AAEP convention in San Antonio, TX. ... Read More

Article

Advanced Procedure For DDSP

October 21, 2005

A new surgical procedure known as the laryngeal tie-forward might provide a more reliable treatment for dorsal displacement of the soft palate (DDSP), the most common airway obstruction affecting performance horses. Current surgical procedures... Read More

Article

Equine Genetic Disease: Who's At Risk?

October 01, 2005

Many DNA sequence variations are fine; they just give rise to the broad spectrum of colors, sizes, and other characteristics we see in the horse population. Some variations, however, cause problems. These might range from a genetic predisposition... Read More

Article

AAEP Wrap-Up: Surgery

March 01, 2004

Surgery for DDSP


Dorsal displacement of the soft palate (DDSP) occurs when the palate partially obstructs the airway by becoming displaced on top of the epiglottis. This can affect breathing, especially... Read More

Article

AAEP 2003: Kester News Hour

February 18, 2004

With researchers worldwide working on solutions to various horse health problems, there is a veritable mountain of information being published continuously. Much of this information is included in AAEP convention presentations, but some of this... Read More

Article

Return to Racing for Roarers After Surgery

February 12, 2004

Results of a study from the University of Pennsylvania's New Bolton Center suggest that there is a high chance that a horse can return to racing after surgery for laryngeal hemiplegia (partial or complete paralysis of the larynx, also called roaring)... Read More

Article

Improved Diagnostics for the Upper Airway

January 14, 2004

"Endoscopy is the primary diagnostic tool for evaluation of the upper airway of the horse," said Brett Woodie, DVM, MS, Dipl. ACVS, of Rood and Riddle Equine Hospital, at the clinic's annual client education seminar held Jan. 5 in Lexington, Ky.... Read More

Article

Roaring Down the Stretch

September 01, 2003

Most people who have been around horses long enough have heard a few make abnormal respiratory noises while exercising. These horses usually draw attention to themselves by the sheer volume of noise they create as they go around the show jumping... Read More

Article

AAEP 2002: Surgery

February 04, 2003

The surgery session at the American Association of Equine Practitioners (AAEP) convention covered a variety of subjects that ranged from using a laser to cauterize displaced soft palates to administering butorphanol for 24 hours to ameliorate... Read More

Article

Airway Health

October 03, 2002

Many trainers judge the health of their horses’ airways by listening to the sounds the animals make while they are exercising. Airway Dynamics of Midway, Ky., is doing the same thing more scientifically by using high-tech equipment. Veterinarian... Read More

Article

Laryngeal Paralysis

June 01, 2002

Partial paralysis of the larynx prevents maximal opening of the equine trachea. Affected horses can move air, but breathing noises occur, especially during exercise. The most common form of laryngeal paralysis is recurrent laryngeal neuropathy... Read More

Article

Roaring

October 03, 2001

Old-time horsemen called it "roaring." The common scientific term is laryngeal hemiplegia. ... Read More

Article

Common Respiratory Problems

July 01, 1998

The main goal of the respiratory system is to transfer oxygen from the air we breathe to the red blood cells, where the oxygen will be transported throughout the body and be available for all organs and tissues. In addition, carbon dioxide, a waste... Read More