Gnc primitive 2 Flashcards

1
Q

nefropatia membranoasa def

A

sindrom nefrotic ingrosare uniforma a MB glomerulare

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2
Q

patogenia nefropatiei membranoase

A
  1. Imunitatea umorala-rol primordial
    - se form CIc sau CI in situ se depun la nivel glomerular
    - anticorpi antifosfolipaza AS(exista pe podocite)-marker serologic
    - endopeptidaza neutra (pod)
    - antigene anticelulare(pod)
    - albumina serica cationica bovina
    - complexul de atac al membranei
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3
Q

Mo nefropatia membranoasa?

A
ingrosarea difuza si uniforma a peretilor capilari,fara hipercelularitate
impregnare argentica-spike-uri
-col specifica 
Mb aspect de roata dintata
infiltrat cronic interstitial
atrofii tub
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4
Q

Me nefropatia membranoasa

A

depozite imune in tesutul subepitelial migreaza spre MBG ajung subendotelial

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5
Q

imunifluorescenta nefropatia membranoasa

A

depozite de IG G si C3

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6
Q

4 stadii de evolutie

A
  1. depozitele imune sunt dispuse subepitelial,sub podocite

2. MB glomerulara trimite prelungiri care incearca sa inglobeze aceste complexe imune proteinurie nefrotica

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7
Q

tabloul clinic in nefropatia membranosa?

A

sindrom nefrotic,microhematuria,HTA ,alt funct renale in 10-15 ani

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8
Q

tabloul biologic in nefropatia membranosa?

A

proteinurie neselectiva, cilindri hialini granulosi,hematici,
hipoproteinemie cu hipoalbuminurie si hiper alfa 2 gamaglobulinemie ,hiperlipidemie
-igG +CIC C3 N

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9
Q

diagnosticul dif al nefropatiei membranose

A
-cauze secundare de nefropatie membranosa
Lupus
vasculite
neoplazii
AINS 
hepatita B SI C
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10
Q

evolutie nefropatia membranosa

A

1/3 remisiune completa si spontana
1/3 BCR stadiul 5
1/2 hemodializa in absenta unei terap

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11
Q

complicatii nefropatia membranoasa

A

tromboza de vena renala

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12
Q

risc de progresie al nefropatiei membranoase

A
  1. risc scazut de prog
    - fct renala normala, rfg >60
    - proteinurie<4 g/
    - 6 luni de la obs fct renala se mentina normala
  2. risc mediu
    - functia renala normala 6 luni
    - proteinurie4-8g.24h
  3. risc crescut
    - proteinurie >8
    - alterare rfg
    - proteinurie neselectiva
    - afectare tubulara- proteine cu greutate molec mica
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13
Q

tratament nefropatia membranoasa

A

1.tratament simptomatic

trat antiproteinuric :Ieca

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