TY – CHAP M1 – Book, Section TI – Diuresis acuosa y osmótica A1 – Garza, Nancy Esthela Fernández Y1 – N1 – T2 – Manual de laboratorio de fisiología. Diarrea Osmótica concerned about weight or manifesting an eating disorder Secondary gain Ma y have disability claim pending; illness may induce concern. reabsorción de agua aumenta el volumen de orina excretado y algo la de Aumentan la presión osmótica dentro del ón intraocular €is €. administra por vía intravenosa como solución acuosa conteniendo dextrosa .

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Hospital Italiano de Buenos Aires.

However, there are clinical situations in which this syndrome may run with an increase in plasma creatinine keeping normal the urea one. In this report we present a case of acute renal failure with normal plasma urea level secondary to an acute pyelonephritis in a single kidney patient.


The patient had an increased fractional excretion of urea which could explain the normal plasma urea levels found despite of his reduced glomerular filtration. This increased osmotoca excretion state was interpreted as a consequence of the nephrogenic diabetes insipidus and alteration of the intra-renal urea reciclying process that the acute pyelonephritis induced.

Diarrea Secretora vs. Diarrea Osmótica

Acute pyelonephritis in a single kidney patient can appear as a pattern of acute renal failure with normal plasma urea levels. The differential diagnosis of acute renal failure.

Acute renal failure with normal plasma urea levels: Urea and the kidney. In Brenner B, The Kidney.

DIURÉTICOS by Gianna Bozano on Prezi

Pathophysiology of water metabolism. Urinary tract infections and pyelonephritis. Cecil Textbook of Medicine.

A study of the intrarenal recycling of urea osmorica the rat with chronic experimental pyelonephritis. Este trabajo ilustra perfectamente una de esas situaciones, mostrando un ejemplo mas de esa variabilidad.

Diarrea Secretora vs. Diarrea Osmótica

Untersuchungen zum Problem der Harnkonzentrierung und Harnverdunnung. The diagnosis value of plasma urea for assessment of renal function. Scand J Urol Nephrol.


Muso, by intuitive observation of single case studyhas brought to our notice more than one phenomenon. Interstitial nephritis due to sepsis can cause proximal tubulopathy and so can present with features of tubular dysfunction.

Normal blood urea in the face of elevated creatinine is a marker of tubulopathy. Though these are not new, the way this simple presentation drives home these phenomena to a reader is greatly commendable.

It is notable that Dr. Musso has already presented an osmktica case to show that tubulotoxic drugs can cause similar phenomena Electron J Biomed ;2: Revisado 16 de Marzo de Publicado 27 de Marzo de

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