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Brachycephalic Obstructive Airway Syndrome

Juga dikenali sebagai: Brachycephalic Airway Syndrome, Brachycephalic Syndrome, BOAS, BAS, Upper airway obstruction syndrome

Disemak doktor haiwanCatDogKecemasan: HighSeberapa biasa: Common
Compiled from veterinary literature and clinical references· Updated 2026-07-30·How we create this

Ringkasnya

Brachycephalic Obstructive Airway Syndrome (BOAS) is a common, inherited condition affecting flat-faced pets. It occurs when compressed facial anatomy restricts airflow, causing severe breathing difficulties, heat intolerance, and digestive issues. Early surgical intervention is highly effective at restoring normal breathing and preventing life-threatening airway collapse.

Anatomical comparison of a normal dog airway versus a compressed brachycephalic airway.
The anatomical differences between a normal canine airway and the crowded, obstructed airway of a brachycephalic dog.

TL;DR. Penyakit pernafasan keturunan pada baka muka rata: saluran sempit, usaha tarik nafas, intoleransi haba, risiko rebah; kerap memerlukan pembedahan.

Saluran nafas normal berbanding saluran termampat brakiseefalik.

Apakah ia?

Tisu lembut berlebihan dalam tengkorak pendek: lubang hidung stenotik, lelangit lembut memanjang, kadang trakea hipoplastik; tekanan negatif dan kolaps laring sekunder.

Punca dan faktor risiko

Kongenital brakiseefalik. Anjing: pug, French Bulldog, English Bulldog, Boxer, Pekingese, Chinese Shar-Pei, Boston Terrier. Kucing: Parsi, Himalaya. Lebih teruk dengan obesiti dan haba.

Tanda

  • Usaha inspirasi (kardinal)
  • Stertor, stridor, berdengkur, intoleransi senaman/haba, muntah/regurgitasi
  • Kecemasan: sianosis, rebah, stridor kuat

A French Bulldog showing signs of severe respiratory distress and open-mouth breathing.
Bernafas mulut dan lidah terjulur menandakan distres.

Diagnosis

Pemeriksaan; laringoskopi di bawah sedasi (emas); endoskopi, radiograf toraks, kadang gas darah.

An endoscopic view of an elongated soft palate blocking the larynx.
Lelangit lembut memanjang menyekat laring.

Rawatan

Kecemasan: oksigen, penyejukan, sedasi, Glucocorticoids. Pembedahan: perluasan lubang hidung, stafiektomi, reseksi sakulus.

Prognosis

Baik dengan pembedahan awal; berwaspada jika kolaps laring lanjut.

Pencegahan

Pembiakan bertanggungjawab, berat kurus, elak haba, abah-abah (bukan kolar).

Bila hubungi doktor haiwan

Kecemasan: sianosis, rebah, tercungap tak terkawal, leher regang/siku terbuka, demam dengan sesak.

Sumber

  • Current Techniques in Small Animal Surgery, 5th Edition, p. 404.
  • Small Animal Critical Care Medicine, 2nd Edition, pp. 117, 127.
  • Small Animal Internal Medicine, 5th Edition, p. 289.

My highlights & notes

Tanda & simptom

increased inspiratory efforts· HallmarkGagging· CommonExcessive drooling· CommonBringing up undigested food· CommonStertor· CommonStertorous breathing· CommonVomiting (throwing up)· CommonTiring easily during activity· Commonheat intolerance· Commonloud breathing sounds· Commonmouth breathing· Commonrestless sleep· Commonsnoring· Commonstridor· CommonBlue gums or tongue (cyanosis)· OccasionalTrouble swallowing (dysphagia)· OccasionalFever· OccasionalExcessive drooling· OccasionalRestlessness· OccasionalFast breathing· Occasionalabnormal posture· OccasionalCollapse (suddenly going down)· OccasionalFainting· Occasional

Baka berisiko lebih tinggi

Bulldog InggerisBulldog PerancisAnjing PugTerier BostonBoxerShar-Pei CinaAnjing Gembala HimalayaPekingeseSaluki

Cara didiagnosis

  • Blood gas analysis
  • Bronchoscopy
  • Fluoroscopy
  • Laryngoscopy
  • Retroflexed endoscopy of the nasopharynx
  • Sedated oral examination
  • Thoracic radiographs
  • Upper gastrointestinal flexible endoscopy

Pendekatan rawatan

Glucocorticoids· Line 1

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

Soalan lazim

What is Brachycephalic Obstructive Airway Syndrome?

Brachycephalic Obstructive Airway Syndrome (BOAS) is a common, inherited condition affecting flat-faced pets. It occurs when compressed facial anatomy restricts airflow, causing severe breathing difficulties, heat intolerance, and digestive issues. Early surgical intervention is highly effective at restoring normal breathing and preventing life-threatening airway collapse.

What are the symptoms of Brachycephalic Obstructive Airway Syndrome?

increased inspiratory efforts、Gagging、Excessive drooling、Bringing up undigested food、Stertor、Stertorous breathing、Vomiting (throwing up)、Tiring easily during activity

How is Brachycephalic Obstructive Airway Syndrome diagnosed?

Blood gas analysis、Bronchoscopy、Fluoroscopy、Laryngoscopy、Retroflexed endoscopy of the nasopharynx、Sedated oral examination

How is Brachycephalic Obstructive Airway Syndrome treated?

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

Sumber

  1. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 404
  2. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 117
  3. Internal Medicine 5th · p. 289
  4. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 404
  5. Internal Medicine 5th · p. 289
  6. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 127

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