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Related Concept Videos

Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
Necrosis01:16

Necrosis

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Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
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Skin Diseases and Disorders

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Staphylococcal Skin Infections

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Endocarditis II: Clinical Features of Infective Endocarditis

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Related Experiment Videos

Necrotizing soft tissue infections.

Adam M Shiroff1, Georg N Herlitz, Vicente H Gracias

  • 1Division of Acute Care Surgery, UMDNJ-Robert Wood Johnson Medical School, New Brunswick, NJ, USA.

Journal of Intensive Care Medicine
|June 12, 2013
PubMed
Summary
This summary is machine-generated.

Necrotising soft tissue infection (NSTI) requires a high index of suspicion for early diagnosis and management. Prompt surgical exploration and aggressive debridement are crucial for successful outcomes in patients with this aggressive infection.

Keywords:
Necrotising soft tissue infectionsuperantigen

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Surgical Pathology
  • Critical Care Medicine

Background:

  • Necrotising soft tissue infection (NSTI) presents diagnostic and management challenges.
  • Understanding NSTI subtypes (Type I and Type II) is crucial for patient stratification.
  • Pathophysiology involves microbial factors leading to rapid tissue destruction and sepsis.

Purpose of the Study:

  • To highlight the diagnostic challenges and management strategies for NSTI.
  • To differentiate between NSTI types based on patient demographics and microbial etiology.
  • To emphasize the importance of early surgical intervention and multidisciplinary care.

Main Methods:

  • Clinical presentation analysis of NSTI types.
  • Review of pathophysiology including superantigen activity and pus viscosity.
  • Evaluation of diagnostic tools like physical examination and the Laboratory Risk Indicator for Necrotising Fasciitis (LRINEC) score.
  • Emphasis on surgical exploration and debridement.

Main Results:

  • Type I NSTI: older, less healthy patients, trunk, polymicrobial. Type II NSTI: younger, healthier patients, extremities, trauma history, monomicrobial.
  • Tenderness beyond redness is a key finding; absence of crepitus is not reassuring.
  • LRINEC score shows potential for excluding suspected NSTI cases.
  • Early surgical exploration and debridement are vital.

Conclusions:

  • Early recognition and surgical exploration are paramount for managing NSTI.
  • Aggressive serial debridement and multidisciplinary critical care are essential for improving patient outcomes.
  • While LRINEC shows promise, clinical suspicion should guide management decisions.