Acute Pyelonephritis

Acute pyelonephritis is a severe bacterial infection of the renal pelvis and parenchyma, typically resulting from ascending urinary tract infections. It is a common and potentially life-threatening condition requiring prompt diagnosis and treatment. This article explores the etiology, pathophysiology, clinical manifestations, diagnostic methods, and treatment strategies of acute pyelonephritis. It also includes a comparative analysis of its prevalence in Asia and Europe, highlighting differences in epidemiology, risk factors, and healthcare responses.