Internal Medicine

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P1: SBT


0521779407-03 CUNY1086/Karliner 0 521 77940 7 June 7, 2007 19:6


Analgesic Nephropathy 119

NSAID – Induced Acute Renal Failure
■rapidly progressive renal failure
■Membranous nephropathy
■Minimal change disease
■acute renal failure secondary to hypovolemia/hypotension
■vasculitis
■Membranoproliferative glomerulonephritis
■Lupus
■Wegener’s granulomatosis
■Goodpasture’s syndrome
■acute interstial nephritis secondary to drugs, infection
■any acute glomerulonehritis

management
What to Do First
■discontinue analgesic use. This may require considerable psycho-
General Measureslogical support and guidance
■increase fluid intake
■control blood pressure
■monitor for progressive decline in creatinine clearance
■monitor for transitional cell carcinoma of renal pelvis and ureters
using checks for hematuria

specific therapy
■stop or minimize analgesic use.

follow-up
■course depends on severity of renal damage at the time of presenta-
tion
■decline in renal function will continue if analgesic use is continued
■check periodic serum creatinine values.
■urinalysis (especially for proteinuria and hematuria)
■blood pressure control
■increased atherosclerotic disease

complications and prognosis
■prognosis is good if caught early and analgesic use stopped.
■progression to end stage renal failure can occur
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