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Stomach Disorder (Loss of Motility) in Cats

Gastric Motility Disorders in Cats

Proper digestion depends on the spontaneous peristaltic (involuntary, wavelike) movements of the stomach muscles for moving food through the stomach and out into the duodenum -- the first portion of the small intestine.

Excessive gastric motility, with muscular contractions occurring too frequently, causes cramping pain and too rapid movement of food from the stomach; below normal motility causes delayed gastric emptying, abnormal gastric retention, gastric distention/bloating, and other related signs. Symptoms may occur at any age but it is less common in young cats than in aging cats.

Symptoms and Types

Clinical symptoms may vary depending on the primary cause responsible for gastric motility disorder. Following symptoms are commonly seen in affected cats:

  • Chronic vomiting of food especially soon after taking meal
  • Nausea
  • Loss of appetite (anorexia)
  • Belching
  • Compulsive eating of non-food substances (pica)
  • Weight loss

Causes

  • Idiopathic (cause unknown)
  • Secondary to other metabolic disorders, such as:
  • Secondary to primary gastric disease, such as:
    • Gastritis
    • Gastric ulcers
  • After gastric surgery
  • After use of certain drugs
  • In case of excessive pain, fear, or trauma

Diagnosis

A complete blood profile will be conducted, including a chemical blood profile, a complete blood count, and a urinalysis to look for the potential cause of the decreased or increased gastric motility. Dehydration, acid-base imbalances, and electrolyte imbalances are common in cases with chronic vomiting. An electrolyte profile will help in determining the extent of dehydration and other related abnormalities.

Abdominal X-rays will help in locating excess gas, fluid or food in the distended stomach. To improve visibility on X-ray and examine the movement of the stomach, barium sulfate can be used for contrast abdominal radiography. This method uses a medium, in this case barium sulfate, to bring the interior of the body into sharper focus by adding a substance to the organ or vessel that will be visible on X-ray imaging. The barium is mixed with meal and fed to the cat, and serial radiographs are then taken to determine the length of time it takes for gastric emptying.

Ultrasound is also a valuable diagnostic tool for stomach motility evaluation, and endoscopy is commonly employed for real time evaluation of the various abdominal organs, including stomach. An endoscope is a tubular device that is outfitted with a lighted camera and gathering tool. It is inserted into the body, generally by mouth, and threaded into the organ that is to be examined (e.g., bladder, stomach, etc.) so that your veterinarian can better view the internal structure of the stomach organ, discovering masses, tumors, abnormal cells, blockages, etc. The endoscope can also be used to collect a tissue sample for biopsy.

 
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