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Related Concept Videos

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...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
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,...
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...

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Related Experiment Videos

[Diffuse cervical cellulitis and descending mediastinitis].

G Chassery1, V Strunski, A Biet

  • 1CH de Beauvais, Assistant d'ORL, Beauvais, France. g.chassery@yahoo.fr

Revue De Laryngologie - Otologie - Rhinologie
|September 7, 2013
PubMed
Summary
This summary is machine-generated.

Early diagnosis and aggressive treatment are crucial for managing cervical cellulitis and descending mediastinitis. Prompt cervical drainage is often sufficient, but thoracotomy may be needed for extensive infections.

Related Experiment Videos

Area of Science:

  • Otolaryngology
  • Thoracic Surgery
  • Infectious Diseases

Context:

  • Cervical cellulitis and descending mediastinitis are severe infections.
  • Diagnosis and treatment strategies require careful evaluation.

Purpose:

  • To evaluate the diagnostic circumstances and treatment outcomes for cervical cellulitis and descending mediastinitis.
  • To analyze patient data from a retrospective study.

Summary:

  • Retrospective study of 10 patients (2000-2011) with cervical cellulitis and descending mediastinitis.
  • Oropharyngeal infections (tonsillitis) were the primary source in 70% of cases.
  • Streptococcus spp., Streptococcus milleri, and Prevotella spp. were common pathogens; retropharyngeal spread was frequent.

Impact:

  • 70% of patients had associated mediastinitis; all underwent cervical surgery, with two requiring additional thoracic procedures.
  • Complications occurred in 60% of patients, with one mortality.
  • Early diagnosis and aggressive, site-appropriate surgical drainage (cervical or thoracotomy) are vital for favorable outcomes.