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  2. Urea reduction ratio - Wikipedia

    en.wikipedia.org/wiki/Urea_reduction_ratio

    The urea distribution volume , although traditionally thought of as 60% of body weight, may actually be closer to 50% of the body weight in women and 55% in men with stage V (GFR < 15 ml/min) chronic kidney disease. The clearance of urea during the dialysis session can be expressed in either or .

  3. Assessment of kidney function - Wikipedia

    en.wikipedia.org/wiki/Assessment_of_kidney_function

    For most patients, a GFR over 60 (mL/min)/(1.73 m 2) is adequate. But significant decline of the GFR from a previous test result can be an early indicator of kidney disease requiring medical intervention. The sooner kidney dysfunction is diagnosed and treated the greater odds of preserving remaining nephrons, and preventing the need for dialysis.

  4. Kt/V - Wikipedia

    en.wikipedia.org/wiki/Kt/V

    Practical use of Kt/V requires adjustment for rebound of the urea concentration due to the multi-compartmental nature of the body. Kt/V may disadvantage women and smaller patients in terms of the amount of dialysis received. Normal kidney function may be modeled as optimal Glomerular filtration rate or GFR. GFR is usually normalized in people ...

  5. Standardized Kt/V - Wikipedia

    en.wikipedia.org/wiki/Standardized_Kt/V

    S and V differ markedly between small vs. large people and between men and women. A man and a woman of the same S will have similar levels of GFR, but their values for V may differ by 15-20%. Because standardized Kt/V incorporates residual renal function into the calculations, it makes the assumption that kidney function should scale by V.

  6. Renal urea handling - Wikipedia

    en.wikipedia.org/wiki/Renal_urea_handling

    Urea allows the kidneys to create hyperosmotic urine (urine that has more ions in it - is "more concentrated" - than that same person's blood plasma). Preventing the loss of water in this manner is important if the person's body must save water in order to maintain a suitable blood pressure or (more likely) in order to maintain a suitable ...

  7. Azotemia - Wikipedia

    en.wikipedia.org/wiki/Azotemia

    Azotemia (from azot 'nitrogen' and -emia 'blood condition'), also spelled azotaemia, is a medical condition characterized by abnormally high levels of nitrogen-containing compounds (such as urea, creatinine, various body waste compounds, and other nitrogen-rich compounds) in the blood.

  8. Urea-to-creatinine ratio - Wikipedia

    en.wikipedia.org/wiki/Urea-to-creatinine_ratio

    Urea and creatinine are nitrogenous end products of metabolism. [2] Urea is the primary metabolite derived from dietary protein and tissue protein turnover. Creatinine is the product of muscle creatine catabolism. Both are relatively small molecules (60 and 113 daltons, respectively) that distribute throughout total body water.

  9. Kidney failure - Wikipedia

    en.wikipedia.org/wiki/Kidney_failure

    Kidney failure, also known as renal failure or end-stage renal disease (ESRD), is a medical condition in which the kidneys can no longer adequately filter waste products from the blood, functioning at less than 15% of normal levels. [2]

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