What is the reason for high red blood cells in urine test? What should I pay attention to when the red blood cells are high?

High red blood cell count in urine test is a very common phenomenon, but most people do not know what causes high red blood cell count in urine test, so people always feel nervous when they see the test report. In fact, high red blood cell count in urine test is caused by the kidneys, bladder or ureters, which cause red blood cells to enter the urine. No matter what the cause is, we must not ignore it.

1. Normal reference value of red blood cells in urine test:

Male: 3.8 million to 6 million/mm3; Normal index: 4.0 to 5.5X1012 cells/liter.

Female: 3.8 million to 5.5 million/mm3; Normal index: 3.5 to 5.0X1012 cells/liter.

Newborn: 6-7 million/mm3; normal index: 6.0~7.0 × 10^12/12th power/liter.

2. What causes high red blood cell count in urine test?

Normal urine usually contains no cells or only a few red blood cells. Due to problems with the kidneys, bladder or ureters, red blood cells may enter the urine, increasing the number of red blood cells in the urine. If an average of 1 to 2 red blood cells can be seen in each high-power field of view of the urine after centrifugation, it is abnormal. If there are more than 3 red blood cells in each high-power field of view and the urine does not look bloody, it is called microscopic hematuria. If the urine looks like meat washing water or ochre red, it is macroscopic hematuria.

What is the reason for high red blood cell count in urine test?

1. Physiological increase

Residents living in plateau areas tend to have higher red blood cells and hemoglobin than those living in plains areas. Drinking too little water or sweating too much can cause excessive water elimination, which can lead to temporary blood concentration and a slight increase in red blood cells and hemoglobin. In newborns, the height increase is physiological.

2. Pathological increase

(1) Severe vomiting, diarrhea, heavy sweating, patients with extensive burns, diabetes insipidus, hyperthyroid crisis, diabetic acidosis, etc., due to excessive loss of water in the plasma, the blood will be concentrated, and there will be a significant increase in the amount of red blood cells and hemoglobin.

(2) Chronic heart disease, cor pulmonale, cyanotic congenital heart disease, etc., due to tissue hypoxia, increase of erythropoietin in the blood leads to compensatory increase of red blood cells and hemoglobin in the blood.

(3) The patient does not have tissue hypoxia. This is because the bone marrow's function in producing red blood cells is enhanced. However, the increase in red blood cells is not needed by the body and has no compensatory significance, which can also cause an increase in red blood cells. It is more common in certain tumors or kidney diseases, such as nephroblastoma, adrenal tumor, polycystic kidney, renal artery stenosis, hemangioblastoma, etc.

(4) Polycythemia vera is a blood disease of unknown cause characterized by an increase in red blood cells.

3. What should we pay attention to if the red blood cell count is high?

1. Pay attention to low salt and low fat in diet, eat more high-vitamin foods; quit smoking and drinking, and avoid eating raw, cold and spicy foods.

2. Control the intake of high-protein foods and foods that have blood-enriching functions, such as red dates, red beans, etc.

3. Develop good living habits, engage in appropriate physical exercise, promote metabolism and enhance resistance.

4. Carry out regular inspections to detect abnormal situations in a timely manner.

After reading the above introduction, now you know the reason why the red blood cell count is high. If the red blood cell count is high during the physical examination, the cause should be diagnosed promptly and symptomatic treatment should be given.