Andrew D Smith, Paul Nikolaidis, Gaurav Khatri, Suzanne T Chong, Alberto Diaz De Leon, Dhakshinamoorthy Ganeshan, John L Gore, Rajan T Gupta, Richard Kwun, Andrej Lyshchik, Refky Nicola, Andrei S Purysko, Stephen J Savage, Myles T Taffel, Don C Yoo, Erin W Delaney, Mark E Lockhart
Acute pyelonephritis (APN) is a severe urinary tract infection (UTI) that has the potential to cause sepsis, shock, and death. In the majority of patients, uncomplicated APN is diagnosed clinically and is responsive to treatment with appropriate antibiotics. In patients who are high risk or when treatment is delayed, microabscesses may coalesce to form an acute renal abscess. High-risk patients include those with a prior history of pyelonephritis, lack of response to therapy for lower UTI or for APN, diabetes, anatomic or congenital abnormalities of the urinary system, infections by treatment-resistant organisms, nosocomial infection, urolithiasis, renal obstruction, prior renal surgery, advanced age, pregnancy, renal transplant recipients, and immunosuppressed or immunocompromised patients...
November 2022: Journal of the American College of Radiology: JACR