Related Experiment Video

Updated: Aug 7, 2026

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

Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis

Published on: July 18, 2017

Acute renal failure due to bacterial pyelonephritis

L R Baker, W R Cattell, I K Fry

    The Quarterly Journal of Medicine
    |October 1, 1979
    PubMed

    Insights

    Urinary tract infections can cause severe acute renal failure, especially in patients with a history of analgesic abuse. Prompt antibacterial treatment can rapidly restore kidney function in these cases.

    Area of Science:

    • Nephrology
    • Infectious Diseases
    • Pharmacology

    Background:

    • Acute renal failure (ARF) can be a serious complication of urinary tract infections (UTIs).
    • The severity of ARF in UTIs can be influenced by pre-existing conditions and treatment timeliness.

    Observation:

    • Five patients presented with ARF linked to UTIs.
    • No other causes for ARF were identified in these patients.
    • Three patients had a history of significant analgesic use.

    Findings:

    • Renal function improved rapidly following antibacterial therapy.
    • The severity of renal impairment was unusual and potentially linked to analgesic abuse or delayed treatment.

    Implications:

    • Acute non-obstructive pyelonephritis should be considered in patients with acute uremia.
    • Early diagnosis and treatment of UTIs are crucial to prevent severe, reversible renal failure.
    • The role of analgesic nephropathy in exacerbating UTI-induced ARF warrants further investigation.

    More Related Videos

    Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis07:11

    Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis

    Published on: July 19, 2018

    A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion09:02

    A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

    Published on: February 2, 2021

    Related Concept Videos

    Dialysis01:27

    Dialysis

    Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
    Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
    Acute Pyelonephritis I: Introduction01:27

    Acute Pyelonephritis I: Introduction

    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 as Proteus,...
    Acute Pyelonephritis II: Diagnostic Studies and Management01:28

    Acute Pyelonephritis II: Diagnostic Studies and Management

    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...
    Acute Kidney Injury I: Introduction01:22

    Acute Kidney Injury I: Introduction

    Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
    Acute Kidney Injury II: Pathophysiology01:29

    Acute Kidney Injury II: Pathophysiology

    Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
    Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

    Acute Kidney Injury IV: Diagnostic Studies and Prevention

    Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...