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Updated: May 17, 2026
06:09
Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
Published on: July 18, 2017
[Management of acute pyelonephritis]
J Drai1, T Bessede, J-J Patard
1Service d'urologie, CHU de Bicêtre, 78, rue du Général-Leclerc, 94275 Le Kremlin-Bicêtre, France. juladara@hotmail.com
Summary
Pyelonephritis is a bacterial upper urinary tract infection, often caused by Gram-Negative bacilli like E. coli. Prompt diagnosis and antibiotic treatment are crucial, especially for complicated cases involving urinary obstruction or sepsis.
Area of Science:
- Nephrology
- Urology
- Infectious Diseases
Context:
- Pyelonephritis is a common bacterial infection affecting the kidneys and upper urinary tract.
- It predominantly impacts women aged 15-65 but can occur in any demographic.
- Infection typically arises from ascending urinary contamination by intestinal flora, frequently involving Gram-Negative bacilli (GNB), notably Escherichia coli.
Purpose:
- To outline the epidemiology, diagnosis, and management of pyelonephritis.
- To identify risk factors and indicators for complicated pyelonephritis.
- To emphasize the importance of timely and appropriate antibiotic therapy.
Summary:
- Diagnosis relies on clinical signs (fever, flank pain) and urine culture.
- Imaging is essential for detecting complications, particularly urinary obstruction, which constitutes a surgical emergency.
- Treatment involves prompt antibiotic administration, tailored to culture and sensitivity results (antibiogram).
Impact:
- Highlights the significance of early intervention in preventing severe outcomes.
- Differentiates management strategies for uncomplicated versus complicated pyelonephritis.
- Informs clinical practice regarding the evaluation and treatment of patients with suspected or confirmed pyelonephritis.
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