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is that of bacterial
origin, commonly referred to as
pyelonephritis. Unfortunately interstitial nephritis and
bacterial nephritis have become synonymous in many circles
irrespective of the presence of urinary infection. The majority
of.cases of interstitial renal disease are due either to
urinary obstruction or to infection of the renal parenchyma or
both. Unlike other nephropaties, interstitial nephritis is
usually patchy in its distribution so that one finds diseased
» .
areas alternating with healthy or much less diseased
areas.
This becomes an important ¡diagnostic point for the treatment
of chronic disease, in that cortical atrophy, with recurrent
disease, may be noted radi ographical l.y by
intravenous
urography. Also, renal biopsy has been of much less help than
in the study of glomerular
pathology.
(From CURRENT THERAPY, .1975 p. 480)
T12N - Text number 12 - Nursing
ACUTE RENAL
FAILURE
The presentation of acute renal failure may occur
in several ways; it may be deceptive and subtle with ultimate
awareness of the gravity of the situation by the
physician
precipitated by serious symptoms of uremia or evidence of
gross chemical derangement; it may be immediately apparent by
an observed decrease in the urine output; or it may occur in
a situation known to result in renal failure despite the best
attempts at prevention. Acute renal failure in its broadest
sense represents the relatively sudden inability of the kidneys
to excrete the necessary amounts of water, salts
(sodium and