Descending necrotizing mediastinitis of oropharyngeal infections

Mohsen Sokouti1, Saeed Nezafati

  • 1Associate Professor, Department of Thoracic Surgery, Faculty of Medicine and Imam Reza Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.

Abstract

Insights

Descending necrotizing mediastinitis (DNM) is a severe infection often originating from the oropharynx. Early detection and surgical intervention are crucial for managing this life-threatening condition, especially when arising from odontogenic abscesses.

Area of Science:

  • Infectious Diseases
  • Surgical Pathology
  • Thoracic Surgery

Background:

  • Descending necrotizing mediastinitis (DNM) is a rare but life-threatening infection.
  • Historically, DNM has a high mortality rate (40%) despite antibiotic use.
  • It often results from the rapid spread of oropharyngeal infections into the mediastinum via fascial planes.

Purpose of the Study:

  • To review surgical management of DNM.
  • To identify origins and outcomes of DNM patients.
  • To emphasize early detection and treatment of DNM.

Main Methods:

  • Retrospective review of 13 patients with DNM treated surgically between 1990 and 2007.
  • Data collected included patient demographics, infection origin, surgical approaches, and mortality causes.
  • Descriptive statistics were used to analyze the data.

Main Results:

  • The study included 13 patients (8 males, 5 females; age 15-56).
  • Odontogenic abscesses were the origin in 10 cases; peritonsillar/retropharyngeal abscesses in 3.
  • Mean time to surgery was 12.18 days; mean post-op stay was 28.51 days, with 3 post-operative deaths.

Conclusions:

  • Descending necrotizing mediastinitis can originate from odontogenic abscesses.
  • Prompt diagnosis and surgical intervention are critical for managing this potentially fatal infection.
  • Early detection significantly impacts patient outcomes in DNM.

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