Iga nephropathy

 

Oxford Classification of IgA Nephropathy

  • Developed to provide a reproducible histopathologic scoring system correlated with prognosis.

  • Based on renal biopsy findings.

  • Uses the MEST-C score:

LetterFeatureScoring
MMesangial hypercellularityM0: ≤50% of glomeruli have >4 mesangial cells; M1: >50% of glomeruli have >4 mesangial cells
EEndocapillary hypercellularityE0: absent; E1: present
SSegmental glomerulosclerosisS0: absent; S1: present
TTubular atrophy/interstitial fibrosisT0: 0–25%; T1: 26–50%; T2: >50%
CCrescents (added later)C0: none; C1: crescents in <25% glomeruli; C2: crescents in ≥25% glomeruli


response to therapy C and E
T protends prognosis

IgA nephropathy
ACE and SGLT2 inhibitor

clinical prognosticating factor- proteinuria
1 gram cut point
cut point if you get less than 300 even better
above one gram below one gram

IgA can present as nephrotic syndrome

crescentic IgA and nephrotic syndrome
can use steroids
lower dose steroids

endocapillary proliferation
steroids


targetted release budesonide
nephro con
STOP IGA risk of infections
risk of steroids fell out of favor

sparsentan which is endothelin and angiotensin 2 receptor blocker
factor b
talk about complement
kidigo



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