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ting the presence of renal disease, by its effect on renal function and is in assessing its progress but they will not assess the determination of the cause of the disease. Therefore several factors should be kept in mind when doing creatinine estimation. These factors are: there will be reduced creatinine concentration in children, women and during pregnancy. Meals which contain meat will raise plasma creatinine, also certain drugs (e.g. salicylates, cimetidine) increase plasma creatinine by inhibiting tubular secretion of creatinine.

From the result, it is noticeable that patient 1 has got normal creatinine clearance (124 mls/min) when compared with the reference ranges. This means that this patient got normal GFR and normal renal functioning units.

The creatinine clearance for patient 2 is very low (47.4 mls/min) when compared with the normal reference range and with patient 1 who has normal GFR. As mentioned earlier the plasma creatinine was high and the urine creatinine was low for this patient which gives strong suggestion that this patient represent with kidney disorder mostly chronic failure. Although the clinical finding help the diagnosis, but the requirement of further test is needed to identify the cause and to confirm disorder.

Renal failure is divided into two types, acute renal failure and chronic renal failure. An acute onset is severe enough to cause kidney failure and is characterized by oliguria (less urine). The major cause of acute failure is tubular necrosis. Other common causes are loss of huge amount of blood during accident or surgery, toxic drugs and poising e.g. lead, or infection. Acute renal failure may develop gradually to a chronic renal failure.

Chronic renal failure occurs when disease or disorder damages the kidneys so that they can no longer remove fluids and wastes from the body or maintain proper levels of kidney-regulated chemicals in the bloodstream. The four most common causes of chronic kidney failure are:

Diabetes: Diabetes Mellitus (DM), both insulin dependent (IDDM) and non-insulin dependent (NIDDM), occurs when the body cannot produce and/or use insulin, the hormone which is necessary for the body to process glucose. Long-term diabetes may cause the glomeruli to gradually loss function. In fact, progression may be slow gradual which means the symptoms do not occur until the GFR falls below 15 ml/min. Marshal, (2000).

High blood pressure: hypertension is both cause and result of kidney failure. The kidney can become stressed and ultimately sustain permanent damage from blood pushing through them at excessive pressure over long periods of time.

Glomerulonephritis is an inflammation of glomeruli, or filtering units of the kidney. The filter in glomerulus is damaged; often small holes are made mostly due to streptococcal infection.

Polycystic kidney disease: it is an inherited disorder that causes cysts to form in the kidneys. These cysts impair the regular functioning of the kidney. Less common causes of chronic kidney failure are kidney cancer, obstructions such as kidney stones, pyelonephtitis.

Initially, symptoms of chronic kidney failure develop slowly. Even individuals with mild to moderate kidney failure may have few 本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。