Renal failure in chronic renal failure and clinically divided into acute renal failure, chronic renal failure from a very large part of the exhibit to exhibit chronic kidney disease, renal failure, there is a fairly long process, so the two patient identification difficult. But there has been a number of severe renal failure patients treated with chronic kidney disease, or previous period is not checked in the renal function has abruptly exhibit renal failure, which must be difficult to diagnosis. So, how to determine the acute or chronic renal failure is it?
Renal failure judgment as follows:
Illness records include: past or without chronic kidney disease, there is no cause kidney damage diseases such as diabetes, high blood pressure, in the near future with or without cause acute renal causes of the recession, if not used drugs toxic to the kidneys, vice efficacy, there are no clues lead to acute renal failure disease, with or without hypovolemia and so on.
Symptoms: usually unexplained anemia, nocturia and other clinical clues chronic renal failure, abruptly changing urine or no urine is a clinical clues acute renal failure.
Kidney size: the vast majority of patients with chronic renal failure for two kidney ultrasound can see smaller size or renal cortical thinning, and acute renal failure increased more common or normal.
Nails or hair creatinine: elevated creatinine representative fingernails or hair have elevated serum creatinine months ago, it can be used to identify acute or chronic renal failure.
Renal biopsy: For clearly pre-renal and non-renal acute renal failure, if the two kidneys of normal or nearly normal size, you can clear the kidneys through the renal biopsy lesions in acute and chronic degree, and then infer acute or chronic renal failure .
Especially in patients with existing chronic kidney disease has renal dysfunction, and renal biopsy more clearly the extent of activity and chronic lesions, thus giving the basis for further treatment.
How to determine the acute or chronic renal failure, renal failure, usually by a large degree of renal injury can be divided into four phases?:
◆ reduce the reserve capacity of the kidney: normal glomerular filtration rate (detoxification capacity) (GFR) was 100%, this period becomes normal GFR is about 50% -80% less to serum creatinine is normal, the patient no performance.
◆ azotemia: GFR become normal for about 25% -50% less to exhibit azotemia, serum creatinine higher than normal, but <450μmol / L, usually no obvious manifestations, may have mild anemia, polyuria and nocturia.
◆ renal failure period: GFR become normal for about 10% -25% less to serum creatinine was significantly higher (approximately 450-707μmol / L), anemia obvious, nocturia and water and electrolyte imbalance, and may have mild gastrointestinal, cardiovascular, and central nervous system manifestations.
◆ end-stage kidney disease uremia high creatinine period: GFR fewer to 10% of normal, serum creatinine> 707μmol / l, renal failure symptoms and blood biochemical abnormalities have been very significant.
How to determine the acute or chronic kidney failure? Above give you a detailed explanation, I hope we can bring help and understanding of relevant aspects to some extent, the vast majority of patients with acute renal failure after treatment, renal function is expected to return or transfer, and the ultimate treatment of chronic renal failure program is maintenance dialysis or kidney transplantation, so the identification of two of the patients are very focused. If in doubt, please consult our hospital online kidney specialists!