Related Experiment Video
Updated: Jun 22, 2026

09:52
An Implantable System For Chronic In Vivo Electromyography
Published on: April 21, 2020
Laryngeal paralysis in dogs.
Ralph P Millard1, Karen M Tobias
1University of Tennessee.
Summary
Laryngeal paralysis in large dogs often requires surgery, with unilateral arytenoid lateralization (UAL) being the standard. While UAL improves breathing, complications and long-term respiratory risks remain a concern.
Area of Science:
- Veterinary Medicine
- Canine Neurology
- Surgical Procedures
Background:
- Laryngeal paralysis commonly affects older, large-breed dogs.
- It causes upper airway obstruction and is linked to generalized polyneuropathy.
- Surgical intervention is often necessary for treatment.
Purpose of the Study:
- To evaluate the efficacy and complications of unilateral arytenoid lateralization (UAL) for laryngeal paralysis in dogs.
- To assess the long-term respiratory health of dogs following UAL surgery.
Main Methods:
- Review of medical records of dogs diagnosed with laryngeal paralysis.
- Surgical procedure: Unilateral Arytenoid Lateralization (UAL).
- Assessment of preoperative and postoperative respiratory signs and complication rates.
Main Results:
- Significant improvement in respiratory signs was observed in most dogs post-UAL.
- High rates of postoperative complications were noted.
- Dogs face a lifelong risk of respiratory tract disease after surgery.
Conclusions:
- Unilateral arytenoid lateralization (UAL) is an effective treatment for improving respiratory function in dogs with laryngeal paralysis.
- Veterinarians and owners should be aware of the potential for postoperative complications and long-term respiratory risks.
- Further research may be needed to mitigate long-term complications.
Related Concept Videos
Larynx
The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Rabies
Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway interventions are...
Poliomyelitis
Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
Depolarizing Blockers: Mechanism of Action
Depolarizing blockers act on skeletal muscle fibers' membranes and induce their depolarization. Most depolarizing blockers have two quaternary N+ atoms that bind the nicotinic acetylcholine receptors and cause neuromuscular blockade within minutes.
Succinylcholine is the most commonly used depolarizing blocker. Chemically, it constitutes two molecules of acetylcholine joined together by an acetate methyl group. They act on the receptors in the same way as acetylcholine. Because succinylcholine...
Succinylcholine is the most commonly used depolarizing blocker. Chemically, it constitutes two molecules of acetylcholine joined together by an acetate methyl group. They act on the receptors in the same way as acetylcholine. Because succinylcholine...
