What is the prognosis of acute pyelonephritis (kidney infection)?

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Timely diagnosis and management of acute pyelonephritis has a significant impact on the outcome. Any patient with acute pyelonephritis who deteriorates suddenly or does not respond to conventional therapy may have a complication, resistant organism, or unrecognized comorbidity.

Pyelonephritis causes considerable morbidity. Data can be extrapolated from the morbidity data for acute lower urinary tract infections: specifically, acute cystitis in women produces approximately 6.1 days with symptoms, 2.4 days of restricted activity, 1.2 days that the patient is unable to work or attend class, and 0.4 days bedridden.  In women aged 18−49 years, 7% of pyelonephritis cases require hospital admission. [8]


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