Prerenal azotemia is one of the three common Azotemia. Azotemia is known as a medical condition where there is abnormally high excess of nitrogen level in the blood. In many cases, it is found that Azotemia is caused by the inability of the kidney to efficiently filter and remove these nitrogen compounds from the blood.
Pre-renal Azotemia is normally thought of as being relatively nonthreatening and potentially reversible, If you can correct hypoperfusion of the kidney(decreased blood flow through the kidney) or if you are able to relieve the obstruction, your renal function will go back to normal; if these conditions aren’t corrected then they will both lead to renal damage and you will be said to be suffering from Renal Azotemia.
Prerenal Azotemia is characterized by a decrease in cardiac output, Hypoperfusion of the kidneys decreases Glomerular filtration rate (GFR). There is no intrinsic renal parenchymal disease. Examples include blood loss, congestive heart failure
and Serum BUN:Cr ratio is greater than 15.
As one of the common types of azotemia, prerenal azotemia is caused by lack of blood flow to the kidneys. In this case, the kidneys do not have problems but the lack of blood flow is caused by medical conditions including congestive heart failure, hemorrhage, shock and the narrowing of the renal artery.
In the case of prerenal azotemia, the blood pressure is lower than normal thus the waste in the blood couldn't be transported to be filtered at the kidneys. When this happens, the excess of nitrogen compounds in the blood are not removes dhence, it stays and accumulates in the blood.
Other causes of prerenal azotemia include heat exhaustion, influenza pneumonia, heat stroke, burns, sepsis, dehydration, hemorrhage anorexia nervosa, diarrhea, cardiac output reduction, shock, postural hypotension and many more.
When a person is experiencing prerenal azotemia, he may have one or more of the symptoms of prerenal azotemia such as dry mouth, swelling, fatigue, fast heart rate, pale skin color, blood pressure drops, collapsed neck veins and a decrease in heart functions.
Treating prerenal azotemia involves some form of medication as well as a change of diet to help improve the state of health of a person who is found to be sufering from this condition. Patients of Prerenal Azotemia are often given medication such as dopamine and dobutamine. But before coming to the stage of medication, the person will have to go through proper clinical examinations to check for Azotemia and when they are found to be affected with Azotemia, they will go through blood and urine tests to determine which type of Azotemia they are affected with.
It is important to get help quickly from medical professionals to rectify this problem to prevent the kidney from becoming weak as well as to restore the function of the kidney to its optimal efficiency. It is important to report the symptoms of Azotemia that you may be experiencing and get medical treatment as early as possible.