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Laryngeal Paralysis

Juga dikenali sebagai: Acquired Laryngeal Paralysis, Congenital Laryngeal Paralysis, Laryngeal Paralysis-Polyneuropathy Complex

Disemak doktor haiwanCatDogKecemasan: HighSeberapa biasa: Common

Ringkasnya

Laryngeal paralysis is a serious but manageable airway condition in dogs and cats where the vocal folds fail to open during breathing, causing a harsh breathing sound, exercise intolerance, and potential respiratory distress.

Anatomical diagram of a canine larynx.
The larynx acts as a gatekeeper, opening wide during inhalation and closing during swallowing.

TL;DR. Masalah saluran nafas serius tetapi boleh diurus pada anjing dan kucing: pita suara tidak terbuka semasa sedutan, dengan stridor, intolerans senaman dan risiko distres pernafasan.

Laring terbuka semasa sedutan dan tertutup semasa menelan.

Apa itu?

Kelumpuhan laring ialah disfungsi saluran nafas atas, terutamanya pada anjing (juga kucing). Saraf laring berulang gagal; aritenoid dan pita suara tidak abduksi semasa inspirasi dan aliran udara boleh menariknya ke dalam. Pada banyak anjing tua ia sebahagian kompleks GOLPP.

"Laryngeal paralysis is the result of recurrent laryngeal nerve dysfunction that impairs arytenoid cartilage abduction during inspiration, leading to respiratory stridor and distress."

Punca dan faktor risiko

Bentuk idiopatik perolehan pada baka besar/gergasi pertengahan hingga tua. Juga: kongenital/herediter, trauma leher, tumor leher atau toraks, polineuropati umum.

An older Labrador Retriever panting heavily.
Panting kuat dan intolerans senaman ialah tanda awal lazim.

Tanda yang perlu diperhatikan

Kardinal

  • Stridor (bunyi serak semasa sedutan)
  • Distres pernafasan, terutamanya panas atau senaman

Lazim

  • Perubahan suara, intolerans senaman

Kadang-kadang

  • Batuk/tersedak, regurgitasi, hipersalivasi, sianosis, kolaps, pneumonia aspirasi

Endoscopic view of a dog's larynx.
Laringoskopi menunjukkan sama ada pita terbuka semasa sedutan.

Diagnosis

Auskultasi laring dan laringoskopi di bawah sedasi ringan (standard emas). X-ray toraks dan serviks, status tiroid, kajian menelan jika perlu, kadang CT atau ultrasound laring.

"Other causes of respiratory distress such as upper airway obstruction caused by intraluminal or extraluminal (thyroid) neoplasia should be considered and ruled out before laryngeal paralysis is considered the primary cause."

Rawatan

Kecemasan

Oksigen, sedasi, penyejukan; krisis ekstrem intubasi atau trakeostomi.

Perubatan

Pembedahan

Laterisasi aritenoid unilateral (tie-back): mengekalkan satu sisi terbuka; bilateral sangat meningkatkan risiko aspirasi.

Prognosis

Tanpa pembedahan obstruksi biasanya progres. Dengan tie-back, pernafasan dan kualiti hidup bertambah baik pada kebanyakan; risiko seumur hidup pneumonia aspirasi. Dengan megaesofagus prognosis buruk.

Pencegahan

Tiada pencegahan pasti untuk bentuk idiopatik. Abah; jangan biak garis dengan bentuk kongenital.

Bila hubungi doktor haiwan

Kecemasan jika bergelut bernafas, sianosis, kolaps, stridor kuat semasa rehat atau tanda pneumonia aspirasi.

Baka berisiko

Predisposisi: Labrador Retriever, Golden Retriever, Bouvier des Flandres, Dalmatian, Siberian Husky, Leonberger, Rottweiler, Bull Terrier, Great Pyrenees.

Sumber

  • Current Techniques in Small Animal Surgery, 5th Edition, pages 409–410.
  • Small Animal Critical Care Medicine, 2nd Edition, page 119.

My highlights & notes

Tanda & simptom

Baka berisiko lebih tinggi

Cara didiagnosis

  • LaryngoscopyStandard emas
  • Computed tomography
  • Laryngeal ultrasound
  • Physical examination and laryngeal auscultation
  • Swallowing studies
  • Thoracic and cervical radiographs
  • Thyroid status evaluation
  • Transnasal flexible endoscopy

Pendekatan rawatan

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

Soalan lazim

What is Laryngeal Paralysis?

Laryngeal paralysis is a serious but manageable airway condition in dogs and cats where the vocal folds fail to open during breathing, causing a harsh breathing sound, exercise intolerance, and potential respiratory distress.

What are the symptoms of Laryngeal Paralysis?

Difficulty breathing、stridor、Voice change、Tiring easily during activity、Blue gums or tongue (cyanosis)、Gagging、Excessive drooling、Bringing up undigested food

How is Laryngeal Paralysis diagnosed?

Laryngoscopy、Computed tomography、Laryngeal ultrasound、Physical examination and laryngeal auscultation、Swallowing studies、Thoracic and cervical radiographs

How is Laryngeal Paralysis 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. 410
  2. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 409
  3. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 119
  4. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 409
  5. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 410

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