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Renal glucose reabsorption is the part of kidney (renal) physiology that deals with the retrieval of filtered glucose, preventing it from disappearing from the body through the urine. If glucose is not reabsorbed by the kidney, it appears in the urine, in a condition known as glycosuria. This is associated with diabetes mellitus. [1]
Diabetic nephropathy, also known as diabetic kidney disease, [5] is the chronic loss of kidney function occurring in those with diabetes mellitus. Diabetic nephropathy is the leading causes of chronic kidney disease (CKD) and end-stage renal disease (ESRD) globally. The triad of protein leaking into the urine (proteinuria or albuminuria ...
The functions of the kidney include maintenance of acid-base balance; regulation of fluid balance; regulation of sodium, potassium, and other electrolytes; clearance of toxins; absorption of glucose, amino acids, and other small molecules; regulation of blood pressure; production of various hormones, such as erythropoietin; and activation of vitamin D.
Acute kidney failure due to hypovolemia: the loss of vascular fluid into the tissues (edema) produces a decreased blood supply to the kidneys that cause a loss of kidney function. Thus it is a tricky task to get rid of excess fluid in the body while maintaining circulatory euvolemia.
Glycosuria is the excretion of glucose into the urine. Ordinarily, urine contains no glucose because the kidneys are able to reabsorb all of the filtered glucose from the tubular fluid back into the bloodstream. Glycosuria is nearly always caused by an elevated blood sugar level, most commonly due to untreated diabetes.
Glucose and proteins are especially well resorbed, such that the presence of either is evidence of serious problems. Possibly including diabetes. The remainder is urine. Kidney threshold The point at which the blood is holding too much of a substance such as glucose (sugar) and the kidneys "spill" the excess sugar into the urine.
The pathogenesis of this kidney failure is the subject of many debates with direct toxic effect on tubules and glomerulus versus intraluminal hyperviscosity being some of the proposed mechanisms. [citation needed] Patients with history of diabetes mellitus, chronic kidney disease, or vascular disorders are most at risk. Brooks and others ...
Diabetic nephropathy, damage to the kidney due to increased glomerular pressure and hyperfiltration can lead to end-stage chronic kidney disease that may require renal dialysis. [27] In most parts of the world, diabetes mellitus is the leading cause of end-stage kidney disease (ESKD).