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Ace Inhibitors & the Kidneys. A. A. Jameson. Afferent. Efferent. CHF !. Or Diuretic. RENIN. Drop in perfusion and GFR. CHF !. Vasocontriction Increases Glomerular Pressure and Filtration. Angiotensin II. CHF !. CHF !. Ace Inhibitors
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Ace Inhibitors & the Kidneys A A Jameson
Afferent Efferent
CHF ! Or Diuretic RENIN Drop in perfusion and GFR
CHF ! VasocontrictionIncreases Glomerular Pressure and Filtration Angiotensin II
CHF ! CHF ! Ace Inhibitors Can reverse this compensatory mechanism and shut down urine output Angiotensin II You hope increased C.O. will restore flow C.O. ACE Inh.
Early Diabetes Characterized by Hyperfiltration Normal A II tone
CHF ! Diabetes post ACE Angiotensin II Angiotensin constriction removed Hyperfiltration and damage reduced
CHF ! Angiotensin II CHF w/ renal function preserved by A II Secondary benefit from Prostaglandin dilation on the supply side
CHF ! Angiotensin II PG
Drip NSAID + ACE The combination removes both the Prostaglandin dilation and the Angiotensin Efferent constriction