THE COMPARATIVE ANALYSIS OF RENAL FUNCTION IN LIVER DISEASES USING COCKCROFT-GAULT FORMULAE AND CREATININE CLEARANCE
Journal Title: Journal of Evidence Based Medicine and Healthcare - Year 2018, Vol 5, Issue 2
Abstract
BACKGROUND Kidney dysfunction in liver disease can be due to different aetiologies and can have diverse manifestations. Most of the abnormalities of kidney function in cirrhosis are of functional origin namely, sodium retention, impaired free water excretion and renal vasoconstriction with decrease in renal perfusion and glomerular filtration rate. Renal dysfunction in chronic liver disease usually follows a progressive course- the final phase being Hepatorenal Syndrome (HRS). MATERIALS AND METHODS This study included patients with chronic liver disease being treated as inpatients in the Department of General Medicine, Konaseema Institute of Medical Sciences, Amalapuram. Evidence for chronic liver disease being defined by a compatible clinical profile (signs of liver cell failure or reduced liver span) along with biochemical (altered liver function tests, reversal of albuminglobulin ratio) or sonographic evidence (altered echotexture of liver) or tissue diagnosis (positive liver biopsy for cirrhosis). RESULTS Eighteen percent, i.e. 5 out of the 28 patients with creatinine clearance more than 60 mL/minute by Cockcroft-Gault formula were found to have creatinine clearance values less than 40 mL/minute when done by timed urine collection P value calculated was found to be less than 0.0001, which is statistically significant. CONCLUSION In chronic liver disease, serum creatinine alone is not a reliable marker to assess renal dysfunction. Calculating creatinine clearance by using Cockcroft-Gault formula overestimates renal function in cirrhotics. Creatinine clearance measured by timed urine collections should be done routinely to assess renal reserve in advanced liver disease. Alcoholism appears to have adverse effect on renal function when compared with other aetiologies of cirrhosis.
Authors and Affiliations
Karem Ravi Teja, Santosh Raju K
Keywords
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- EP ID EP448625
- DOI 10.18410/jebmh/2018/35
- Views 66
- Downloads 0
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