Renal function

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Renal function, in nephrology, is an indication of the state of the kidney and its role in renal physiology. Glomerular filtration rate (GFR) describes the flow rate of filtered fluid through the kidney. Creatinine clearance rate (CCr) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure for approximating the GFR. Both GFR and CCr may be accurately calculated by comparative measurements of substances in the blood and urine, or estimated by formulas using just a blood test result (eGFR and eCCr).

The results of these tests are important in assessing the excretory function of the kidneys. For example, grading of chronic renal insufficiency and dosage of drugs that are primarily excreted via urine are based on GFR (or creatinine clearance).

It is commonly believed to be the amount of liquid filtered out of the blood that gets processed by the kidneys. Physiologically, these quantities (volumetric blood flow and mass removal) are only related loosely.

For more information about Renal function, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with kidney function

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Kidney disease patients benefit from surgery to prevent stroke

Medicine & Health / Diseases

created 9 hours ago | popularity 5 / 5 (1) | comments 0

Physicians should be comfortable referring some patients with chronic kidney disease (CKD) for effective stroke prevention surgery, according to a study appearing in an upcoming issue of the Journal of the American Society of ...


Epilepsy Drug Shows Promise in Treating Kidney Disease

Medicine & Health / Medications

created Dec 03, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- An anti-convulsant drug commonly used to treat epilepsy reduces cysts in mice that are associated with polycystic kidney disease (PKD), a difficult to treat ailment that afflicts 600,000 people in the United ...


Heart failure patients with kidney dysfunction don't recover well after hospital discharge

Medicine & Health / Diseases

created Nov 18, 2009 | popularity not rated yet | comments 0

Most heart failure patients who develop kidney failure in the hospital do not recover from it before going home and are at increased risk of either being re-hospitalized or dying within the year, according to a Henry Ford ...





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West Nile virus infection may persist in kidneys years after initial infection

Medicine & Health / Diseases

created Dec 07, 2009 | popularity not rated yet | comments 0

A new study shows that people who have been infected with West Nile virus may have persistent virus in their kidneys for years after initial infection, potentially leading to kidney problems. The research, which appears in ...


Nature's fine designs: Scientists find modern lessons in ancient creations

Nature's fine designs: Scientists find modern lessons in ancient creations

Biology / Other

created Dec 04, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Nature and its bottom-up processes for creating robust and responsive materials are inspiring new generations of synthetic materials and creative design.


Autism treatment: Risky alternative therapies have little basis in science

Medicine & Health / Diseases

created Nov 24, 2009 | popularity 3 / 5 (2) | comments 0

James Coman's son has an unusual skill. The 7-year-old, his father says, can swallow six pills at once. Diagnosed with autism as a toddler, the Chicago boy had been placed on an intense regimen of supplements and medications ...


Drug side effects a key factor in reduced quality of life for kidney transplant patients

Medicine & Health / Other

created Nov 23, 2009 | popularity not rated yet | comments 0

People who have kidney transplants need longer-term support than most friends, relatives or even healthcare professionals realise, according to a study of 160 patients published in the December issue of the UK-based Journal of ...


High blood pressure easy to miss in children with kidney disease

Medicine & Health / Diseases

created Nov 20, 2009 | popularity 5 / 5 (2) | comments 0

Spot blood pressure readings in children with chronic kidney disease often fail to detect hypertension - even during doctor's office visits — increasing a child's risk for serious heart problems, according to research from ...


Beyond genomics, biologists and engineers decode the next frontier

Beyond genomics, biologists and engineers decode the next frontier

Biology / Cell & Microbiology

created Nov 18, 2009 | popularity 5 / 5 (7) | comments 0

(PhysOrg.com) -- A team of Princeton biologists and engineers has dramatically improved the speed and accuracy of measuring an enigmatic set of proteins that influences almost every aspect of how cells and ...


Pre-eclampsia linked to thyroid problems

Medicine & Health / Health

created Nov 18, 2009 | popularity not rated yet | comments 0

Women who develop pre-eclampsia during pregnancy are more likely than other women to have reduced thyroid function (hypothyroidism), finds a study published in BMJ today. It may also put women at a greater risk of thyroi ...


Young athletes need dual screening tests for heart defects, study suggests

Medicine & Health / Health

created Nov 15, 2009 | popularity not rated yet | comments 0

To best detect early signs of life-threatening heart defects in young athletes, screening programs should include both popular diagnostic tests, not just one of them, according to new research from heart experts at Johns ...


Mechanical ventilation for patients with lung damage don't always work as planned

Medicine & Health / Other

created Nov 12, 2009 | popularity not rated yet | comments 0

As more Canadians are diagnosed with H1N1 influenza infection, some will be admitted to hospital. The most severely affected may be treated in the intensive care unit (ICU) and placed on a mechanical ventilator to help them ...


Study: Kidney angioplasty brings risks, no benefit

Medicine & Health / Diseases

created Nov 11, 2009 | popularity not rated yet | comments 0

If you're among the hundreds of thousands of Americans with clogged kidney arteries, you might want to consider trying medicines before rushing into angioplasty to open them up. The pricey procedure is no more effective and ...



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