Renal Flashcards
Nephrotic syndrome symptoms (triad)
1) Proteinuria
2) Hypoalbuminaemia
3) Oedema
Other associations with nephrotic syndrome and why
- Hypercholerterolaemia - - Increased risk of VTE (renal loss of antithrombin3/protein C/protein S)
- Increased risk of infections (loss ofimmunoglobulins in urine)
3 categories of causes of nephrotic syndrome
1) Glomerulonephritis
2) Systemic disease: SLE, amyloiidosis
3) Drugs: gold, penicillimine
3 glomerularnephritis causes of nephrotic syndrome
1) Membranous glomerulonephritis
2) Minimal change glomerulonephritis
3) Focal segmental glomerularsclerosis
Membranous glomerulonephritis causes
1) Infection: hep B, malaria
2) Malignancy
3) Antiphospholipase A2 antibodies
What is the commonest cause of glomerulonephritis in adults?
Membranous glomerulonephritis
What is the commonest cause of glomerulonephritis in children?
Minimal change glomerulonephritis
Biopsy findings in membranous glomerulonephritis
- Spike and dome
- Thckened basement membrane
- Dense electron deposits (IgG, C3)
Membranous glomerulonephritis treatment
ACEi/ARB
Steroids
Cyclophasphamide
What cancer, infection and drugs can cause minimal change glomerulonephritis?
1) Idiopathic
2) Hodkins lymphoma
3) EBV
4) Drugs - NSAIDS
What is the biopsy finding in minimal change glomerulonephritis?
Normal glomerulus
Podocyte fusion
What is the pathophysiology behind minimal change glomerulonephritis
T cell damage to glomerular basement membrane causing anion loss and albumin leaking through membrane causing oedema
Treatment of minimal change glomerulonephritis
Steroids (80% respond)
Cyclophosphamide
Causes of focal segmental glomerulonephritis (3)
1) HIV
2) Heroin
2) Alport syndrome
Symptoms of nephritic syndrome
1) Hypertension
2) Haematuria
3) Proteinuria