Alimentary Disorders 3

Alimentary Disorders 3

1. Oesophagus

   • Oesophagitis
     • Inflammation due to chemicals, bacteria/ virus
   • Oesophageal Obstruction
     • Foreign bodies, post surgical strictures, persistent aortic arch
     • Thoracic inlet, level of heart, cardiac sphincter
     • Wretch unproductively, regurgitations
   • Megaoesophagus
     • Flaccid dilation in front of stricture or narrowing causing food to pool.
       • Radiography, Barium Swallow, Endoscopy, stomach tube.
         • Remove foreign body with endoscope, surgery, feed from height (some regurgitation), coupagre after meal, ant-acid to protect oesophagus from ulcers
     • Congenital: noticed when animal eats solid food
       • Regurgitation, dysphagia, anorexia, aspiration pneumonia, malnutrition & hypersalivation.
     • Dysautonomia (Key Gaskell Syndrome): failure of autonomic NS
       • Dilated pupils, constipation, dry M.M's & bradycardia

2. Vomiting

   • Withold food 24 hours
   • Fluid therapy?
     • Enteral fluid therapy?
   • Antiemetics
   • Acid secretion inhibitors
   • Gastric protectants (Kaolin)
   • ID UNDERLYING CAUSE! (toxaemia/infection)

3. Gastritis

   • Bacteria/ virus, ingestion of irritants, NSAIDs
   • V+, Haematemesis, pain (abnormal posture), Anorexia, depression/ lerhargy, dehydration
   • Withold food for 24 hours if less severe? fluids, analgesics, antepsin
     • Light diet following (protein?)

4. Gastric Foreign Bodies

   • Gastritis, depression V+, dehydration due to block of pyloric sphincter
   • Radiography, surgical removal, endoscopy & removal?

5. Gastric Dilation & Volvulous

   • Deep chested dogs after eating/ exercise.
   • Abdominal Distension, attempting to retch & vomit, pain, hypersalivation, pale/ congested M.M's, collapse
   • Gastropexy: suture stomach to abdominal wall.
   • Stomach tube, spinal needle, clippers, antiseptic scrub & kit, fluids, anaesthetics, surgical kits, kidney dish, kennel, I.V catheter, Blood sample prep, x-ray, sling ready in reception, pre-meds, theatre
   • T.LC, warmth, fluids, no food at first then small amounts, prevent wound interference, monitor vitals, sensitive diet, ECG? Monitor for shock.