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Sindrom neodgovarajućeg izlučivanja antidiuretskog hormona

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Sindrom neodgovarajućeg izlučivanja antidiuretskog hormona
SpecijalnostEndokrinologija
Klasifikacija i eksterni resursi
ICD-10E22.2
ICD-9253.6
DiseasesDB12050
MedlinePlus003702
eMedicineemerg/784 med/3541 ped/2190
MeSHD007177

Sindrom neodgovarajućeg izlučivanja antidiuretskog hormona (skraćeno SIADH) ili Švarc-Barterov sindrom je bolest koja se karakteriše neprimerenim lučenjem hormona zadnjeg režnja hipofize ADH (antidiuretski hormon).[1][2]

SIADH često nastaje kao posledica bolesti centralnog nervnog sistema (npr. meningitisa, encefalitisa). Javlja se kod malignih bolesti (npr. karcinom pluća, karcinom gušterače, karcinom debelog creva) i bolesti pluća. Može biti i uzrokovana lekovima, a može ostati i nepoznatog uzorka, tzv. idiopatski SIADH.[3][4]

SIADH se naziva i Švarc-Barterov sindrom po američkim naučnicima Frederiku Barteru koji je prvi opisao sindrom na dva pacijenta obolela od karcinonoma pluća, i Vilijamu Švarcu.

Patofiziologija

[uredi | uredi kod]

ADH lučenje iz zadnjeg režnja hipofize je regulisano osmolarnošću krvne plazme, tako da povećanje osmolarnosti plazme uzrokuje povećano lučenje ADH, koji u bubregu uzrokuje povećanje reapsorpcije vode. Kod smanjene osmolarnosti, smanji se lučenje ADH, te se manje vode reapsorbuje u bubregu. Kod SIADH-a ne dolazi do odgovarajućeg smanjenja lučenja ADH, i dolazi do prevelike reaposrpcije vode u bubregu.

Literatura

[uredi | uredi kod]
  1. „Syndrome of Inappropriate Antidiuretic Hormone Information on Healthline”. Arhivirano iz originala na datum 2011-07-09. Pristupljeno 11. 04. 2011. 
  2. „Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH) - My Child Has - Children's Hospital Boston”. Arhivirano iz originala na datum 2010-12-04. Pristupljeno 11. 04. 2011. 
  3. Montserrat Picazo Sánchez, Marc Cuxart Pérez , Ramón Sans Lormán , Carles Sardà Borroy (2009). „Syndrome of inappropriate antidiuretic hormone hypersecretion caused by pneumonia diagnosed using a CT scan”. Nefrologia 29 (5): 497-498. DOI:10.3265/Nefrologia.2009.29.5.5388.en.full. 
  4. Kate Johnson. „Avoiding Syndrome of Inappropriate Antidiuretic Hormone Secretion in Dying Patients: An Expert Interview With Patrick Vinay, MD”. Pristupljeno 11. 04. 2011. 
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Sindrom neodgovarajućeg izlučivanja antidiuretskog hormona
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