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Lumbosacral Stenosis

Degenerative lumbosacral stenosis

Juga dikenali sebagai: Degenerative lumbosacral stenosis, Cauda equina syndrome

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

Ringkasnya

Lumbosacral stenosis is a common degenerative spinal condition in dogs that compresses the nerves at the base of the back. Learn to recognize the signs of pain, weakness, and mobility issues, and discover how veterinarians diagnose and treat this progressive disease.

A German Shepherd dog standing in profile, highlighting the lower back and tail area.
Lumbosacral stenosis affects the junction where the lower back meets the tail.

TL;DR. Penyempitan degeneratif saluran tulang belakang bawah dengan mampatan saraf: sakit, kelemahan dan masalah pergerakan.

Melibatkan simpang lumbosakral.

Apa itu?

Stenosis lumbosakral degeneratif menyempitkan saluran di L7–sakrum, tempat akar cauda equina lalu. Mampatan menyebabkan sakit, keradangan dan defisit neurologi.

A medical diagram of a canine lower spine showing the lumbosacral junction and the cauda equina nerve bundle.
Cauda equina ialah berkas akar saraf di saluran bawah.

Punca dan faktor risiko

Terutamanya degeneratif: cakera L7–S + ketidakstabilan + penebalan faset, kapsul dan ligamen kuning. Lazim pada anjing besar aktif; predisposisi pada German Shepherd Dogs, Belgian Malinois dan Labrador Retrievers.

Tanda yang perlu diperhatikan

Utama

  • Sakit pada palpasi dalam sakrum; sakit pada dorsifleksi ekor atau hiperekstensi lumbar

Biasa

  • Enggan berlari, melompat, naik tangga; kepincangan belakang; bangun perlahan

Kadang / merah

  • Kelemahan belakang, ekor rendah, atrofi, refleks berubah; tonus dubur berkurang, inkontinens, trauma diri perineum

A medical diagram of a canine lower spine showing the lumbosacral junction and the cauda equina nerve bundle.
Cauda equina ialah berkas akar saraf di saluran bawah.

Diagnosis

Singkirkan diskospondylitis, penyakit prostat dan artritis degeneratif. Ujian klinikal. X-ray. MRI dalam ekstensi piawaian emas.

An MRI monitor displaying a cross-section of a dog's lower spine at the lumbosacral junction.
MRI dalam ekstensi: piawaian emas mampatan.

A Labrador Retriever struggling to rise from a lying position on a living room floor.
Sukar bangun selepas rehat: tanda awal biasa.

Rawatan

Perubatan (barisan pertama jika ringan)

Pembedahan

  • Laminektomi dekompresif jika ubat gagal atau defisit progresif

Prognosis

Hanya kepincangan dan defisit ringan: selalunya cemerlang. Inkontinens atau defisit teruk: berjaga-jaga hingga buruk. Kejayaan pembedahan jangka panjang ~55 %.

Pencegahan

Berat ideal, senaman low-impact, intervensi awal pada baka berisiko.

Bila hubungi doktor haiwan

Temujanji jika bangun perlahan, elak tangga atau bawa ekor rendah. Kecemasan jika paresis belakang mengejut, inkontinens, sakit melampau atau jilat agresif pangkal ekor/paha.

Untuk baka tertentu

Berwaspada pada German Shepherd Dogs, Belgian Malinois dan Labrador Retrievers.

Sumber

  • Internal Medicine, 5th Edition, pages 1101, 1102

My highlights & notes

Tanda & simptom

Pain on deep palpation of the dorsal sacrum· HallmarkPain on dorsiflexion of the tail or hyperextension of the lumbosacral region· HallmarkRear limb lameness· CommonReluctance to run, sit up, jump, or climb stairs· CommonSlow to rise from a prone position· CommonAtrophy of the muscles of the caudal thigh and distal limb· OccasionalPseudohyperreflexia of the patellar reflex· OccasionalReduced or absent hock flexion during the withdrawal reflex· OccasionalReluctance to raise or wag tail· Occasionalrear limb weakness· OccasionalDecreased anal tone· RareFecal and urinary incontinence· RareHyperesthesia or paresthesia of the perineum· RareSelf-inflicted moist dermatitis of the perineum and tail base· Rare

Baka berisiko lebih tinggi

Anjing Belgian MalinoisAnjing Gembala JermanLabrador Retriever

Cara didiagnosis

  • Magnetic Resonance Imaging (MRI) with the spine in extensionStandard emas
  • Electrophysiologic studies
  • Physical and neurological examination
  • Spinal survey radiographs

Pendekatan rawatan

Gabapentin· Line 1Tramadol· Line 1

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

Soalan lazim

What is Lumbosacral Stenosis?

Lumbosacral stenosis is a common degenerative spinal condition in dogs that compresses the nerves at the base of the back. Learn to recognize the signs of pain, weakness, and mobility issues, and discover how veterinarians diagnose and treat this progressive disease.

What are the symptoms of Lumbosacral Stenosis?

Pain on deep palpation of the dorsal sacrum、Pain on dorsiflexion of the tail or hyperextension of the lumbosacral region、Rear limb lameness、Reluctance to run, sit up, jump, or climb stairs、Slow to rise from a prone position、Atrophy of the muscles of the caudal thigh and distal limb、Pseudohyperreflexia of the patellar reflex、Reduced or absent hock flexion during the withdrawal reflex

How is Lumbosacral Stenosis diagnosed?

Magnetic Resonance Imaging (MRI) with the spine in extension、Electrophysiologic studies、Physical and neurological examination、Spinal survey radiographs

How is Lumbosacral Stenosis treated?

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

Sumber

  1. Internal Medicine 5th · p. 1101
  2. Internal Medicine 5th · p. 1102
  3. Internal Medicine 5th · p. 1101
  4. Internal Medicine 5th · p. 1101

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