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Brachycephalic Obstructive Airway Syndrome

Također poznato kao: Brachycephalic Airway Syndrome, Brachycephalic Syndrome, BOAS, BAS, Upper airway obstruction syndrome

CatDogHitnost: HighKoliko je često: Common
Compiled from veterinary literature and clinical references· Updated 2026-07-28·How we create this

Ukratko

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. Nasljedna respiratorna bolest pasmina ravnog lica: uski dišni putovi, inspiratorni napor, netolerancija topline, rizik kolapsa; često treba kirurgija.

Normalni dišni put naspram stisnutog brahicefaličnog.

Što je to?

Višak mekih tkiva u kratkoj lubanji: stenoza nosnica, produženo meko nepce, ponekad hipoplastična traheja; negativni tlak i sekundarni kolaps larinksa.

Uzroci i čimbenici rizika

Kongenitalna brahicefalija. Psi: mops, French Bulldog, English Bulldog, Boxer, Pekingese, Chinese Shar-Pei, Boston Terrier. Mačke: perzijska, himalajska. Gore s pretilošću i vrućinom.

Znakovi

  • Inspiratorni napor (kardinalni)
  • Stertor, stridor, hrkanje, netolerancija napora/topline, povraćanje/regurgitacija
  • Hitno: cijanoza, kolaps, jak stridor

A French Bulldog showing signs of severe respiratory distress and open-mouth breathing.
Disanje na usta i jezik van ukazuju na distres.

Dijagnoza

Pregled; laringoskopija pod sedacijom (zlato); endoskopija, rtg toraksa, ponekad plinska analiza.

An endoscopic view of an elongated soft palate blocking the larynx.
Produženo meko nepce blokira larinks.

Liječenje

Hitno: kisik, hlađenje, sedacija, Glucocorticoids. Kirurgija: proširenje nosnica, stafilektomija, resekcija sakula.

Prognoza

Dobra s ranom kirurgijom; oprezna kod uznapredovalog kolapsa larinksa.

Prevencija

Odgovorno uzgoj, vitka težina, izbjegavati vrućinu, prsluk (ne ovratnik).

Kada zvati veterinara

Hitno: cijanoza, kolaps, nekontrolirano dahćanje, ispružen vrat/laktovi rašireni, vrućica s dispnejom.

Izvori

  • 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

Znakovi i simptomi

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

Pasmine s višim rizikom

English BulldogFrench BulldogPugBoston TerrierBoxerChinese Shar-PeiHimalayan SheepdogPekingeseSaluki

Kako se dijagnosticira

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

Pristupi liječenju

Glucocorticoids· Line 1

Liječenje mora propisati licencirani veterinar. Specifične doze namjerno nisu prikazane.

Česta pitanja

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?

Liječenje mora propisati licencirani veterinar. Specifične doze namjerno nisu prikazane.

Izvori

  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

Ovaj članak je opća edukacija i ne zamjenjuje veterinarski savjet. Ako je ljubimac bolestan, obratite se veterinaru.

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