About the FCRSA
Gastric dilatation-volvulus (GDV) is a true emergency. It is life-threatening. It begins as a rapid accumulation of air in the stomach causing the stomach to swell. This is the dilatation phase. If left untreated, the stomach may rotate or twist. This is known as torsion or volvulus. When this occurs, the stomach becomes blocked at the esophagus preventing vomiting and blocked at the outlet into the small intestine. Stomach contents become trapped causing further expansion of the stomach. The enlarged stomach presses against nearby blood vessels, compressing them enough to stop the passage of blood in them. The flow of blood from the abdominal organs and lower extremities to the heart is compromised. This, in turn, reduces the flow of blood to many vitals organs. Tissues not receiving oxygen-laden blood will die. This is essentially a form of shock from which most dogs do not recover. The incidence of this disease has increased since 1969. Why remains unknown. To date, no single cause has been proven. Several risk factors have been identified. They include large-breed dogs with deep, narrow chests (e.g. Irish Setter); dogs that eat one or two very large meals a day; dogs that bolt down their food; dog who eat primarily dry dog food; dogs who exercise heavily immediately before or after a meal; and dogs with a fearful or nervous temperament. The latter is being considered because these dogs may tend to bolt down their food and swallow a large amount of air in the process. Stress may also play a role in decreasing gastric motility, the normal action of the stomach to pass semi-digested food into the intestinal tract.
MODE OF INHERITANCE:
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Glickman, L. A message to dog owners from the director of the Purdue Bloat Research Program. Bloat Notes newsletter. Issue 97-1. Purdue, IN: Purdue University, 1997, Jan.;4-5.
Glickman, L. Understanding causes of bloat in dogs. Paper presented at the AKC/CHF 1997 national parent club canine health conference. St. Louis, MO., 1997, Nov.
Kirk, C.A, Biourge, V.C. Diseases of dietary origin. In: Siegal, M., ed. UC Davis school of veterinary medicine book of dogs: a complete medical reference for dogs and puppies. New York: HarperCollins, 1995; 111.
Strombeck, D. R. The digestive system and disorders. In: Siegal, M. ed. UC Davis school of veterinary medicine book of dogs: a complete medical reference for dogs and puppies. New York: HarperCollins, 1995; 299-300.
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