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Assessment of creatinine clearance (GFR)

  1. Calculation of creatinine clearance by the Cockcroft DW, Gault MH method
  2. Fill in the analysis table, and Kiberis itself will calculate all the indicators and draw conclusions. Gender and age are taken into account in all calculations. The age norms may differ significantly from the well-known ones.
  3. What you entered is automatically used in , and then when .
  4. By starting to use the service, you agree to the user agreement. The service does not replace a visit to the doctor!
Enter date of birth and gender
 
Short description
First enter your date of birth and gender ⬆
Height ⓘ✘Cm. Norm «161.9-191.2» for a given gender and age. cm.
Weight ⓘ✘Kg. kg.
Creatinine [CREA] ⓘ✘Eng - Crea. Norm «64-111» for a given gender and age.
Creatinine clearance (GFR) ⓘ✘Glomerular filtration rate, GFR, GFR. Rehberg Test. Norm «88-146» for a given gender and age. ml/min/1.7 m2 (ml/min)

About the calculator

Evaluation of glomerular filtration (GFR) by creatinine clearance is used in nephrology to assess the severity of chronic kidney disease.

Calculation of the glomerular filtration rate using the CKD-EPI formula, which is the most up-to-date at the moment. It differs for people of different genders and ages.

The Schwartz formula is used for children and adolescents under the age of 19.

Interpretation

A glomerular filtration rate of less than 60 ml/min is considered the beginning of chronic kidney disease due to the corresponding death of more than 50 nephrons.
Designation Characteristics of kidney function GFR, ml/min/1.73 m2
C1 High and optimal 90
C2 Slightly reduced (considered normal) 60 89
C3a Moderately reduced 45 59
C3b Significantly reduced 30 44
C4 Sharply reduced 15 29
C5 Terminal renal failure less than 15

When the calculator is not applicable

To situations in which the use of computational methods for estimating GFR is not acceptable (you cannot use this calculator): * the patient's body size and muscle mass deviate sharply from the average values (bodybuilders, amputees); * severe exhaustion and obesity (BMI 15 and 40 kg/m2); * pregnancy; * diseases of skeletal muscles (myodystrophy); * paralysis/paresis of the extremities; * rapid decline in kidney function (acute or rapidly progressive nephritic syndrome); * laboratory studies to resolve the issue of the dosage of nephrotoxic drugs; * making a decision on the initiation of renal replacement therapy; * condition after kidney transplantation.

Category - medicine

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