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HrvatskiHrvatska

Immune-Mediated Polyarthritis

Immune-mediated polyarthritis

Također poznato kao: IMPA, Idiopathic Immune-Mediated Nonerosive Polyarthritis, Noninfectious Polyarthritis

CatDogHitnost: ModerateKoliko je često: Common

Ukratko

Immune-mediated polyarthritis (IMPA) is a common inflammatory joint disease in dogs and cats. It occurs when the immune system mistakenly attacks multiple joints, causing pain, fever, and stiffness. Learn about symptoms, diagnosis, and treatment options.

A golden retriever dog standing stiffly with a hunched back, showing signs of joint discomfort.
A stiff, hunched posture and reluctance to move are common early signs of joint pain in pets with IMPA.

TL;DR. IMPA je liječiva upala više zglobova u kojoj imunološki sustav napada sinoviju; tipični su vrućica, bol i hod «po jajima».

Ukočeno držanje i nevoljkost za kretanje česti su rani znakovi bolova u zglobovima kod IMPA-e.

Što je to?

IMPA je nesepsna upala više zglobova uzrokovana taloženjem imunokompleksa u sinoviji. Najčešće neerozivna (kost intaktna). Primarna (idiopatska) ili reaktivna (sekundarna infekciji, upali, tumoru, lijekovima, cijepljenju) ili dio SLE-a.

Uzroci i čimbenici rizika

Idiopatska IMPA, SLE, reaktivni poliartitis, pasminski sindromi. Viši rizik: Weimaraner, Newfoundland, Chinese Shar-Pei, Boxer, Bernese Mountain Dog, German Shorthaired Pointer, Beagle, Akita/Akita Inu.

Znakovi na koje treba paziti

  • Vrućica (kardinalni): često bez odgovora na antibiotike.
  • Šepanje i hod «po jajima» (česti)
  • Bol, ukočenost, oticanje zglobova (česti)
  • Letargija, anoreksija (česti)
  • Bol u vratu (povremeni)

A close-up of a dog's swollen wrist joint, showing localized swelling and redness without any external wounds.
Oticanje zapešća bez vanjske rane može ukazivati na aktivnu upalu zgloba.

Kako veterinari dijagnosticiraju

  • Analiza sinovije [zlatni standard]: više zglobova; visoki WBC/neutrofili, kultura negativna.
  • RTG: oticanje mekih tkiva, bez erozija kod neerozivne IMPA.
  • CBC; ANA pri sumnji na SLE.

"Synovial fluid analysis reveals an increase in both white blood cell (WBC) count and the percentage of neutrophils in affected joints, but synovial fluid culture is negative. Even if the underlying inflammatory disease is infectious, the polyarthritis in these patients is caused by synovial deposition of circulating immune complexes, not by infection of the joints."

A veterinary digital X-ray screen displaying a dog's hock joint with visible soft tissue swelling around the joint space.
RTG potvrđuje neerozivnu upalu: oticanje bez razaranja kosti.

Mogućnosti liječenja

"Additional immunosuppressive agents are rarely necessary, because idiopathic nonerosive IMPA is easy to control in most patients. If the polyarthritis is refractory to treatment, the patient should be reevaluated for infectious disease, reactive polyarthritis, and erosive disease prior to considering alternative immunosuppressive agents."

Prognoza

Dobra kod idiopatske neerozivne IMPA; neki trebaju dugotrajnu nisku dozu. Lošija kod SLE-a i nekih pasminskih sindroma.

Prevencija

Idiopatski oblik nije spriječiv. Reaktivni: rano liječiti infekcije i raspraviti plan cijepljenja.

Kada zvati veterinara

Vrućica, ukočenost, letargija: termin. Hitno pri vrlo visokoj vrućici, nemogućnosti stajanja, jakoj boli u vratu, kolapsu ili dispneji na imunosupresiji.

Za određene pasmine

Pratite ukočenost i vrućicu kod predisponiranih pasmina; akite mogu imati težak sindrom s meningitisom i lošijom prognozom.

Izvori

  • Internal Medicine, 5th Edition, pages 1152, 1153, 1154, 1465, 1466.

My highlights & notes

Znakovi i simptomi

Pasmine s višim rizikom

Kako se dijagnosticira

  • Synovial fluid analysisZlatni standard
  • Antinuclear antibody (ANA) titer
  • Complete Blood Count (CBC)
  • Radiography

Pristupi liječenju

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

Česta pitanja

What is Immune-Mediated Polyarthritis?

Immune-mediated polyarthritis (IMPA) is a common inflammatory joint disease in dogs and cats. It occurs when the immune system mistakenly attacks multiple joints, causing pain, fever, and stiffness. Learn about symptoms, diagnosis, and treatment options.

What are the symptoms of Immune-Mediated Polyarthritis?

Fever、Loss of appetite、Limping、Lethargy、joint pain、joint swelling、Stiffness、walking on eggshells gait

How is Immune-Mediated Polyarthritis diagnosed?

Synovial fluid analysis、Antinuclear antibody (ANA) titer、Complete Blood Count (CBC)、Radiography

How is Immune-Mediated Polyarthritis treated?

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

Izvori

  1. Internal Medicine 5th · p. 1154
  2. Internal Medicine 5th · p. 1154
  3. Internal Medicine 5th · p. 1152
  4. Internal Medicine 5th · p. 1152
  5. Internal Medicine 5th · p. 1465
  6. Internal Medicine 5th · p. 1465
  7. Internal Medicine 5th · p. 1153
  8. Internal Medicine 5th · p. 1153
  9. Internal Medicine 5th · p. 1466
  10. Internal Medicine 5th · p. 1466

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

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