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Assessment of kidney function occurs in different ways, ... (1.73 m 2) in women younger than the age of 40. In children, GFR measured by inulin clearance is 110 (mL ...
Stage 1: Slightly diminished function; kidney damage with normal or relatively high GFR (≥90 mL/min/1.73 m 2) and persistent albuminuria. Kidney damage is defined as pathological abnormalities or markers of damage, including abnormalities in blood or urine tests or imaging studies. [59]
For example, Johns Hopkins Medicine found in a 2011 study that kidney transplants performed using live donors over the age of 70 are “safe for the donors and lifesaving for the recipients.”
Most individuals with PKD1 mutations have kidney failure by age 70 years, whereas more than 50% of individuals with PKD2 mutations have adequate renal function at that age (mean age of onset of end-stage renal disease: 54·3 years with PKD1; 74·0 years with PKD2).
"Ask for your kidney function to be tested," Atkinson says. "Request your GFR number if you have any risk factors." ... Kidney Transplant Outcomes in Recipients Over the Age of 70.
Risk factors for kidney disease include diabetes, high blood pressure, family history, older age, ethnic group and smoking. 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.
Along with kidney transplantation, it is a type of renal replacement therapy. Dialysis may need to be initiated when there is a sudden rapid loss of kidney function, known as acute kidney injury (previously called acute renal failure), or when a gradual decline in kidney function, chronic kidney failure, reaches stage 5.
A better estimate of kidney function is given by calculating the estimated glomerular filtration rate (eGFR). eGFR can be calculated without a 24-hour urine collection, using serum creatinine concentration and some or all of the following variables: sex, age, and weight, as suggested by the American Diabetes Association. [19]
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