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Hyperaldosteronism

Primary hyperaldosteronism

Juga dikenal sebagai: Primary hyperaldosteronism, Conn's syndrome

Ditinjau dokter hewanCatDogUrgensi: ModerateSeberapa umum: Uncommon

Singkatnya

Primary hyperaldosteronism, or Conn's syndrome, is an uncommon endocrine disorder in dogs and cats caused by an adrenal tumor that overproduces aldosterone. This leads to severe potassium depletion and high blood pressure, resulting in weakness and lethargy.

A domestic cat resting on a veterinary exam table, showing mild weakness.
Primary hyperaldosteronism is an uncommon endocrine disorder that can cause weakness and lethargy in cats and dogs.

TL;DR. Tumor adrenal memproduksi aldosteron berlebih: hipokalemia dan hipertensi.

Dapat menyebabkan kelemahan dan letargi.

Apa itu?

Hiperaldosteronisme primer (sindrom Conn): tumor korteks adrenal mensekresi aldosteron berlebih; ginjal menahan natrium dan kehilangan kalium. Hipertensi dari retensi cairan; kelemahan otot dalam dari hipokalemia.

Penyebab dan faktor risiko

Hampir selalu adenoma atau adenokarsinoma korteks adrenal. Paruh baya hingga senior. Doberman Pinscher predisposisi; jarang secara keseluruhan.

Tanda

  • Hipokalemia (kardinal)
  • Kelemahan (umum; kucing: ventrofleksi serviks)
  • Letargi (umum)
  • Hipertensi sistemik (umum)
  • Hipernatremia (umum)

A domestic dog lying flat on the floor, looking weak and lethargic.
Kelemahan otot dan letargi saat kalium rendah.

Diagnosis

Biokimia serum (Na tinggi, K rendah), tekanan darah, ultrasonografi abdomen untuk massa adrenal, aldosteron serum/urin.

"Excessive secretion of aldosterone causes sodium retention and potassium depletion, which manifest as increased serum sodium (>155 mEq/L) and decreased serum potassium (<3.0 mEq/L) concentrations."

An ultrasound monitor showing an abdominal scan of a dog's adrenal gland.
USG membantu menemukan massa adrenal.

Pengobatan

Adrenalektomi jika terlokalisasi dan dapat diangkat. Jika tidak, suplementasi kalium dan antihipertensi seumur hidup. Bedah adrenal berisiko dekat pembuluh besar.

Prognosis

Sangat baik setelah pengangkatan massa jinak berhasil. Hati-hati dengan manajemen medis saja atau penyakit invasif.

Pencegahan

Tidak ada pencegahan primer. Lab senior dan pengukuran tekanan memungkinkan deteksi lebih dini.

Kapan menghubungi

Darurat jika: kelemahan dalam mendadak, kebutaan mendadak/pupil melebar, kolaps.

Sumber

  • Internal Medicine, 5th Edition, page 892.
  • 2018 ACVIM Guidelines for the identification, evaluation, and management of systemic hypertension in dogs and cats.

My highlights & notes

Tanda & gejala

Ras berisiko lebih tinggi

Cara didiagnosis

  • Abdominal Ultrasound
  • Serum and urine aldosterone concentrations
  • Serum Biochemistry
  • Systemic blood pressure measurement

Pertanyaan umum

What is Hyperaldosteronism?

Primary hyperaldosteronism, or Conn's syndrome, is an uncommon endocrine disorder in dogs and cats caused by an adrenal tumor that overproduces aldosterone. This leads to severe potassium depletion and high blood pressure, resulting in weakness and lethargy.

What are the symptoms of Hyperaldosteronism?

Hypokalemia、Hypernatremia、Lethargy、Systemic hypertension、Weakness (low energy, no strength)

How is Hyperaldosteronism diagnosed?

Abdominal Ultrasound、Serum and urine aldosterone concentrations、Serum Biochemistry、Systemic blood pressure measurement

Sumber

  1. Internal Medicine 5th · p. 892
  2. 2018 ACVIM Guidelines for the identification, evaluation, and management of systemic hypertension in dogs and cats
  3. Internal Medicine 5th · p. 892

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