[Current role of aminoglycosides in the treatment of acute pyelonephritis]

F Caron1

  • 1Service des Maladies Infectieuses et Tropicales, Hôpital Charles Nicolle, Rouen, France.

Insights

Third-generation cephalosporins and fluoroquinolones are highly effective for uncomplicated acute pyelonephritis. Adding aminoglycosides is generally not recommended due to an unfavorable risk-benefit balance, though a short course may benefit hospitalized patients.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Nephrology

Background:

  • Uncomplicated acute pyelonephritis treatment often involves effective monotherapy with third-generation cephalosporins or fluoroquinolones.
  • Aminoglycosides present an unfavorable risk-benefit profile for routine use in this condition.

Purpose of the Study:

  • To evaluate the role of aminoglycosides in treating uncomplicated acute pyelonephritis.
  • To analyze recent evidence regarding aminoglycoside addition to standard therapies.

Main Methods:

  • Review and analysis of three recent studies on pyelonephritis treatment regimens.
  • Assessment of efficacy and safety data for antibiotic combinations.

Main Results:

  • Monotherapy with third-generation cephalosporins and fluoroquinolones demonstrates high efficacy.
  • Addition of aminoglycosides is generally not advised due to adverse effects outweighing benefits.
  • Short-term aminoglycoside administration may be considered for hospitalized patients.

Conclusions:

  • Current guidelines do not recommend routine aminoglycoside addition for uncomplicated acute pyelonephritis.
  • A brief course of aminoglycosides might be beneficial in specific hospitalized patient populations.
  • Further research may clarify the precise role of aminoglycosides in select cases.

Related Concept Videos

Estimation of k and VD of Aminoglycosides01:20

Estimation of k and VD of Aminoglycosides

Aminoglycosides are a class of antibiotics used to treat various bacterial infections. Clinicians must determine the elimination rate constant (k) and volume of distribution (VD) to optimize therapeutic efficacy and minimize toxicity. The k value represents the rate at which the drug is removed from the body, and the VD reflects the degree to which the drug distributes into body tissues. Accurately estimating these parameters allows healthcare professionals to tailor drug dosing to individual...
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 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...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...