prerenal

(redirected from prerenal failure)
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prerenal

 [pre-re´nal]
1. located in front of a kidney.
2. pertaining to a process that occurs before the kidney is reached, such as acute renal failure in which the kidney does not receive adequate blood flow. See also postrenal.

pre·re·nal

(prē-rē'năl),
Anterior to a kidney.
[L. ren, kidney]

prerenal

/pre·re·nal/ (pre-re´nal)
1. located in front of a kidney.
2. occurring before the kidney is reached.

prerenal

[-rē′nəl]
Etymology: L, prae, before, ren, kidney
1 pertaining to the area in front of the kidney.
2 pertaining to events occurring before reaching the kidney.

prerenal

in front of the kidney, used usually in a physiological sense rather than an anatomical one. The most important prerenal mechanism is severe reduction in renal blood flow and therefore glomerular filtration in shock, dehydration and severe hemorrhage.

prerenal failure
failure of the urinary mechanism due to inadequate perfusion of the kidney.
References in periodicals archive ?
At this point, laboratory values indicated incipient prerenal failure.
The kidneys were not transplanted due to the irreversibility of the existing prerenal failure.