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Struvite Urolithiasis

Magnesium ammonium phosphate urolithiasis

Juga dikenali sebagai: Struvite calculi, Struvite uroliths, Magnesium ammonium phosphate urolithiasis

Disemak doktor haiwanCatDogKecemasan: ModerateSeberapa biasa: Common

Ringkasnya

Struvite urolithiasis is a common urinary tract condition in dogs and cats where mineral stones form in the bladder or kidneys. In dogs, these stones are usually triggered by bacterial infections, while in cats, they often develop in sterile, alkaline urine. Fortunately, most cases can be successfully dissolved with a targeted veterinary diet and appropriate medications.

Anatomy diagram of canine and feline urinary tracts showing bladder stones.
Struvite stones primarily form in the bladder but can migrate into the narrow urethra.

TL;DR. Batu struvit dalam pundi kencing anjing dan kucing; biasanya dirawat dengan diet dan ubat, kecuali sumbatan, yang merupakan kecemasan.

Batu struvit terbentuk terutamanya dalam pundi dan boleh berpindah ke uretra.

Apakah ini?

Kristal magnesium, ammonium dan fosfat yang membentuk urolit. Merengsa pundi; jika menyumbat uretra, air kencing terhenti: mengancam nyawa.

Punca dan faktor risiko

Anjing: hampir selalu jangkitan (urease Staphylococcus atau Proteus): air kencing alkali dan batu; betina lebih kerap.
Kucing: kerap air kencing steril, pH >6.8 akibat diet, metabolisme atau kurang air dan air kencing pekat. Obesiti dan kurang gerak menambah risiko.

Tanda

  • Polakiuria, disuria, stranguria
  • Hematuria
  • Bakteriuria/piuria
  • Sumbatan uretra (tiada air kencing: kecemasan, terutamanya jantan)

A domestic shorthair cat straining in a litter box due to urinary discomfort.
Menolak dalam dulang pasir adalah tanda lazim kerengsaan saluran kencing bawah.

Diagnosis

Analisis air kencing (kristal "tutup keranda"), kultur, sinar-X (radioopak), ultrasound. Analisis kristalografi batu = piawaian emas.

An X-ray of a dog's abdomen showing bright white round stones in the bladder.
Sinar-X biasa memaparkan batu struvit radioopak dengan baik.

Rawatan

Diet pelarutan (sasaran pH <6.5, kurang Mg/P/protein, lebih air). Antibiotik untuk anjing berjangkitan sepanjang pelarutan. Pembedahan atau hidropropulsi jika tersumbat atau batu besar.

Prognosis

Cemerlang. Pelarutan perubatan selalunya dalam ~1 bulan dengan diet dan antimikrob yang betul.

Pencegahan

Diet pencegahan jika berulang, hidrasi (pancutan air, makanan basah), semakan air kencing dan kultur.

Bila hubungi doktor haiwan

Perubahan kencing, darah, kencing di tempat salah. Kecemasan jika tiada air kencing, muntah, sangat lesu atau menjerit kesakitan.

Baka

Parsi dan Himalaya: predisposisi felin lebih tinggi.

Sumber

  • Canine and Feline Urolithiasis, Veterinary Internal Medicine, 5th Edition, pages 721, 723, 728.

My highlights & notes

Tanda & simptom

Baka berisiko lebih tinggi

Cara didiagnosis

  • Crystallographic analysisStandard emas
  • Crystalluria evaluation
  • Plain radiography
  • Ultrasonography
  • Urine Culture

Soalan lazim

What is Struvite Urolithiasis?

Struvite urolithiasis is a common urinary tract condition in dogs and cats where mineral stones form in the bladder or kidneys. In dogs, these stones are usually triggered by bacterial infections, while in cats, they often develop in sterile, alkaline urine. Fortunately, most cases can be successfully dissolved with a targeted veterinary diet and appropriate medications.

What are the symptoms of Struvite Urolithiasis?

Bacteriuria、Blood in urine、Pyuria、Painful or difficult urination、Pollakiuria、Straining to urinate、urethral obstruction

How is Struvite Urolithiasis diagnosed?

Crystallographic analysis、Crystalluria evaluation、Plain radiography、Ultrasonography、Urine Culture

Sumber

  1. Internal Medicine 5th · p. 723
  2. Internal Medicine 5th · p. 721
  3. Internal Medicine 5th · p. 723
  4. Internal Medicine 5th · p. 728

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