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Related Concept Videos

Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

829
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...
829
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

501
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...
501

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Related Experiment Video

Updated: Feb 23, 2026

Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets
07:41

Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets

Published on: September 13, 2022

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[Interstitial nephritis in pigs].

Ines Spiekermeier1, Mechthild Freitag, Wolfgang Baumgärtner

  • 1Dr. Ines Spiekermeier, Landwirtschaftskammer Niedersachsen, Schweinegesundheitsdienst, Mars-la-Tour-Straße 1-13, 26121 Oldenburg,

Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
|September 8, 2017
PubMed
Summary

Interstitial nephritis is common in pigs, with differences observed between conventionally and organically raised animals. Porcine circovirus 2 (PCV2) was not identified as a primary cause in this study.

Keywords:
Renal diseasesconventional husbandry systemorganic husbandry systemporcine circovirus type 2

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Area of Science:

  • Veterinary Pathology
  • Swine Health
  • Renal Disease Research

Context:

  • Interstitial nephritis is a prevalent renal condition in pigs, yet detailed etiological and prevalence data are scarce.
  • Understanding the factors influencing nephritis in different farming systems is crucial for swine health management.

Purpose:

  • To investigate the prevalence and characteristics of interstitial nephritis in pigs raised under conventional and organic systems.
  • To identify potential inflammatory cell types and assess the role of Porcine circovirus 2 (PCV2) in the development of nephritis.

Summary:

  • All 169 examined pig kidneys showed mild interstitial lesions, with varying inflammatory cell profiles between conventional and organic farming methods.
  • Organically raised pigs exhibited more frequent mild nephritis with lymphocytes and macrophages, while conventionally raised pigs showed higher rates of mild to moderate nephritis with a broader inflammatory cell spectrum.
  • Porcine circovirus 2 (PCV2) DNA was detected in only one kidney, ruling it out as a significant pathogen for interstitial nephritis in slaughter pigs.

Impact:

  • Highlights significant differences in renal inflammatory patterns between conventionally and organically raised pigs.
  • Provides foundational data for further research into the pathogenesis and clinical relevance of interstitial nephritis in swine.
  • Suggests that farming practices may influence the development or presentation of renal inflammation in pigs.