ISSN 2398-2950      

Pyloric stenosis

ffelis

Introduction

  • Congenital or acquired hypertrophy of circular muscle fibers or hyperplasia of pyloric mucosa (or both) of pyloric ring of stomach.
  • Cause: may be associated with excess gastrin levels or abnormal neuro-muscular control.
  • Signs: vomiting food at variable intervals following feeding; esophagitis Esophagitis; aspiration pneumonia Pneumonia.
  • Diagnosis: no definitive test - suspect on clinical and contrast radiographic examination + gastroscopy.
  • Treatment: pyloroplasty or pyloromyotomy.
  • Prognosis: good.

Pathogenesis

Etiology

  • Congenital form: ?Excessive gastrin levels causing hypertrophy of circular muscle fibers.
  • ? Neuromuscular dysfunction.
  • Acquired: mucosal hypertrophy; extrinsic lesions (abscess, neoplasia) may mimic the condition.

Pathophysiology

  • Failure of pyloric ring to relax   →   vomiting of stomach contents.

Diagnosis

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Treatment

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Outcomes

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Walter M C & Matthiesen D T (1989) Gastric outflow surgical problems. Probl Vet Med (2), 196-214 PubMed.
  • Matthiesen D T & Walter M C (1985) Surgical treatment of chronic hypertrophic pyloric gastropathy in 45 dogs. JAAHA 22 (2), 241-247 VetMedResource.
  • Pearson H, Gaskell C J, Gibbs C et al (1974) Pyloric and oesophageal dysfunction in the cat. JSAP 15 (8), 487-501 PubMed.
  • Twaddle A A (1971) Congenital pyloric stenosis in two kittens corrected by pyloroplasty. N Z Vet J 19 (1-2), 26-27 PubMed.
  • Twaddle A A (1970) Pyloric stenosis in three cats and its correction by pyloroplasty. N Z Vet J 18 (1-2), 15-17 PubMed.

Related Images

Want more related items, why not
contact us

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!

 
 
 
 

To show you are not a Bot please can you enter the number showing adjacent to this field

 Security code