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Related Concept Videos

Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

747
Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
747
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

468
Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
468

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Updated: Feb 14, 2026

Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
06:09

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Published on: July 18, 2017

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Emphysematous pyelonephritis.

Abhilash Koratala1, Freddy R Malpartida1, Xu Zeng2

  • 1Division of Nephrology, Hypertension and Renal Transplantation University of Florida Gainesville Florida.

Clinical Case Reports
|February 16, 2018
PubMed
Summary
This summary is machine-generated.

Emphysematous pyelonephritis is a severe kidney infection causing tissue death. While often managed non-surgically, nephrectomy may be required in critical cases.

Keywords:
CT scanemphysematous pyelonephritisnephrectomy

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Area of Science:

  • Nephrology
  • Infectious Diseases
  • Urology

Background:

  • Emphysematous pyelonephritis is a necrotizing renal infection characterized by gas production.
  • It presents significant mortality and morbidity risks.
  • Commonly associated with Escherichia coli and Klebsiella pneumoniae.

Purpose of the Study:

  • To summarize the understanding of emphysematous pyelonephritis.
  • To highlight diagnostic and management considerations.

Main Methods:

  • Literature review of emphysematous pyelonephritis cases.
  • Analysis of causative pathogens and clinical outcomes.

Main Results:

  • The infection involves renal parenchyma and surrounding tissues.
  • Conservative management is increasingly common.
  • Nephrectomy remains an option for severe presentations.

Conclusions:

  • Emphysematous pyelonephritis requires prompt recognition and management.
  • Treatment strategies are tailored to disease severity.
  • Understanding causative organisms aids in therapeutic decisions.