Excess protein in the urine. Some protein is normal in the urine. Too much means protein is leaking through the kidney, most often through the glomeruli. The main protein in human blood and the key to the regulation of the osmotic pressure of blood is albumin. Proteinuria is synonymous with albuminuria.
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1. Presence of urinary protein in amounts greater than 0.3 g in a 24-hour urine collection or in concentrations greater than 1 g/L (1+ to 2+ by standard turbidometric methods) in a random urine collection on two or more occasions at least 6 hours apart; specimens must be clean, voided midstream, or obtained by catheterization. 2. SYN: albuminuria. [protein + G. ouron, urine]
- Bence Jones p. presence of Bence Jones proteins in the urine, usually indicative of a neoplastic process such as multiple myeloma, amyloidosis, or Waldenström macroglobulinemia.
- gestational p. the presence of p. during or under the influence of pregnancy in the absence of hypertension, edema, renal infection, or known intrinsic renovascular disease.
- isolated p. p. in a patient who is asymptomatic, has normal renal function and urinary sediment, and has no manifestation of systemic disease upon initial examination.
- nonisolated p. p. associated with other abnormalities.
- orthostatic p., postural p. SYN: orthostatic albuminuria.

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pro·tein·uria .prōt-ən-'(y)u̇r-ē-ə, .prō-.tēn-, .prōt-ē-ən- n the presence of excess protein in the urine
pro·tein·uric -'(y)u̇r-ik adj

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the presence of protein in the urine. This may indicate the presence of damage to, or disease of, the kidneys. See also albuminuria.

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pro·tein·uria (pro″te-nuґre-ə) excessive serum proteins in the urine, such as in renal disease, after strenuous exercise, and with dehydration. Called also albuminuria. proteinuric adj

Medical dictionary. 2011.

Look at other dictionaries:

  • Proteinuria — (from protein and urine ) means the presence of anexcess of serum proteins in the urine. The protein in the urine often causes the urine to become foamy, although foamy urine may also be caused by bilirubin in the urine (bilirubinuria),… …   Wikipedia

  • proteinuria — f. urol. Presencia de proteínas en la orina. Medical Dictionary. 2011. proteinuria presencia de proteínas en la orina; albumin …   Diccionario médico

  • Proteinuria — Saltar a navegación, búsqueda Proteinuria Clasificación y recursos externos Aviso médico CIE 10 R 80; r 80 …   Wikipedia Español

  • proteinuria — 1911, Mod.L., from Fr. protéinurie; see PROTEIN (Cf. protein) + URINE (Cf. urine) …   Etymology dictionary

  • proteinuria — [prō΄tē nyoor′ē ə, prō΄tē ə nyoor′ē ə] n. [ModL: see URIA] the presence of protein in the urine …   English World dictionary

  • proteinuria — /proh tee noor ee euh, nyoor , tee euh /, n. Pathol. the presence of abnormally large amounts of protein in the urine, usually resulting from kidney disease but sometimes from fever, excessive exercise, or other abnormal condition. [1910 15; <… …   Universalium

  • proteinuria — {{#}}{{LM P44661}}{{〓}} {{[}}proteinuria{{]}} ‹pro·tei·nu·ria› {{《}}▍ s.f.{{》}} {{♂}}En medicina,{{♀}} presencia de proteínas en la orina …   Diccionario de uso del español actual con sinónimos y antónimos

  • proteinuria — noun Etymology: New Latin, from International Scientific Vocabulary protein + New Latin uria Date: 1911 the presence of excess protein in the urine …   New Collegiate Dictionary

  • proteinuria — noun Excessive protein in the urine …   Wiktionary

  • proteinuria — ► sustantivo femenino MEDICINA Presencia de proteínas, permanente o intermitente, en la orina …   Enciclopedia Universal

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