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You Should Know about Urine Occult Blood

There are many patients consulted our online doctors on our website about whether urine occult blood has relationships with chronic nephritis. How many + in urine occult blood means chronic nephritis? The meaning of urine occult blood 3+ is...

You Should Know about Urine Occult Blood

Aug 10, 2017 by Kidney Disease Expert

There are many patients consulted our online doctors on our website about whether urine occult blood has relationships with chronic nephritis. How many ‘+’ in urine occult blood means chronic nephritis? 

The meaning of urine occult blood 3+ is that after the centrifugation of urine, 30 red blood cells can be found under the high-power microscope.

After the centrifugation of urine, if there are more than 20 red cells can be found under microscope in per high-power field, which can be called hematuresis. Under the high-power microscope, if we can find 10 red cells, which can be denoted by ‘+’, and if we find 20 red cells, which can be denoted by ‘++’, 30 red cells are ‘+++’. That is to say, the more +, the more serious the renal inherent cells are damaged. For example, occult blood 2+ means that after the centrifugation of urine, 20 red cells can be found under the high-power microscope.

When ‘+’ occurs, which means the renal inherent cells begin to be damaged, and the dilatation function of renal is beginning being damaged by the immune transmitter compound, if it cannot receive the effective treatment, there will be more and more damaged and hyperplastic glomeruli, and the damaged level will also increase gradually. At this moment, the patients who have this kind of disease should receive the effective treatment to control the development of renal fibrosis timely. 

Reasons of urine occult blood

1.Functional urine occult blood

It means that urine occult blood usually can be found after sports. That is to say, after doing sports, a normal person may have the gross urine occult blood or the microscopic urine occult blood, but it can disappear after rest, and also without other abnormal symptoms or signs, such as edema, high blood pressure and anemia, etc.

2.Influence of diseases of neighboring organs

The diseases of neighboring organs have influence on urinary system, such as prostatitis, acute appendicitis, acute salpingitis, colonic perticulitis or tumor in the neighboring organs, etc. All of these diseases may have urine occult blood, and almost all of them are microscopic urine occult blood.

3.Diseases of whole body

It mainly can be found in some diseases about blood, such as thrombocytopenic purpura, anaphylactoid purpura, aplastic anemia, leukemia and hemophilia. Urine occult blood can also be found in renal infarction, hypertensive nephropathy and congestive heart-failure, etc. That caused by cardiovascular diseases. Moreover, some infectious diseases, such as epidemic meningitis, scarlatina, fever, filariasis and some connective tissue diseases, such as systemic lupus erythematosus, dermatomyositis and polyarteritis nodosa all can trigger urine occult blood. Otherwise, allergic disease, nephroptosis and nephrospasis can also cause urine occult blood.

If you have any questions on kidney disease, you can consult our online doctor or send email to us:kidneyhealthy@yahoo.com

 

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