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Megaesophagus

Juga dikenali sebagai: Esophageal weakness, Esophageal hypomotility, Idiopathic megaesophagus, Congenital megaesophagus

Disemak doktor haiwanCatDogKecemasan: ModerateSeberapa biasa: Common

Ringkasnya

Megaesophagus is a serious condition where the esophagus loses its muscle tone and dilates, preventing food and water from reaching the stomach. This leads to passive regurgitation and a high risk of life-threatening aspiration pneumonia.

Comparison of a normal dog esophagus and a dilated megaesophagus.
A normal esophagus (top) compared to a dilated megaesophagus (bottom) where food pools instead of entering the stomach.

TL;DR. Megaesofagus ialah dilatasi esofagus dengan hilang tonus; makanan tidak sampai perut; regurgitasi pasif dan risiko aspirasi tinggi.

Esofagus dilatasi mengumpulkan makanan bukan menolak ke perut.

Apakah ia?

Hilang motiliti dan dilatasi esofagus. Makanan terhenti dan regurgitasi pasif. Risiko tinggi pneumonia aspirasi.

Punca dan faktor risiko

Kongenital atau diperolehi. Ramai dewasa idiopatik. Punca: miastenia, Addison, toksin, esofagitis, tumor. Predisposisi: schnauzer min, Great Dane, GSD, golden, labrador dll.

Tanda

  • Regurgitasi (kardinal)
  • Hilang berat, batuk, emasi (lazim)
  • Pneumonia aspirasi, demam

A dog sitting in a Bailey Chair to eat.
Kerusi Bailey mengekalkan postur tegak supaya graviti membantu.

Bagaimana doktor haiwan mendiagnosis

X-ray toraks; kontras/fluoroskopi; endoskopi; antibodi reseptor asetilkolin.

"Acquired megaesophagus can develop in association with a number of primary diseases in dogs and cats, but most adult-onset cases are idiopathic."

Pilihan rawatan

Pemakanan ditinggikan 20–30 min selepas makan; hidangan kecil kerap. Pyridostigmine jika miastenia; Sucralfate, Omeprazole; prokinetik terhad.

Prognosis

Berjaga-jaga hingga buruk (aspirasi, malnutrisi). Sesetengah hidup baik dengan protokol ketat.

Pencegahan

Pembiakan bertanggungjawab; tiada pencegahan sejagat.

Bila hubungi doktor haiwan

Kecemasan: batuk baru, dispnea, demam, letargi, enggan makan.

Untuk baka tertentu

Baka predisposisi: nilai awal regurgitasi atau batuk kronik.

Sumber

  • Small Animal Critical Care Medicine, 2nd Edition, p. 695-706.

My highlights & notes

Tanda & simptom

Baka berisiko lebih tinggi

Cara didiagnosis

  • Acetylcholine receptor antibody assayStandard emas
  • Contrast radiography
  • Endoscopy
  • Fluoroscopy
  • Plain survey radiographs

Pendekatan rawatan

Rawatan mesti dipreskripsikan doktor haiwan berlesen. Dos khusus sengaja tidak dipaparkan.

Soalan lazim

What is Megaesophagus?

Megaesophagus is a serious condition where the esophagus loses its muscle tone and dilates, preventing food and water from reaching the stomach. This leads to passive regurgitation and a high risk of life-threatening aspiration pneumonia.

What are the symptoms of Megaesophagus?

Bringing up undigested food、Emaciation、Weight loss (getting thinner)、aspiration pneumonia、Coughing、Fever

How is Megaesophagus diagnosed?

Acetylcholine receptor antibody assay、Contrast radiography、Endoscopy、Fluoroscopy、Plain survey radiographs

How is Megaesophagus treated?

Rawatan mesti dipreskripsikan doktor haiwan berlesen. Dos khusus sengaja tidak dipaparkan.

Sumber

  1. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 696
  2. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 695
  3. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 696
  4. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 706

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