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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

Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
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...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

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Endocarditis II: Clinical Features of Infective Endocarditis

Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...

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Related Experiment Videos

Necrotizing soft tissue infections.

Qaali A Hussein1, Daniel A Anaya

  • 1Michael E. DeBakey Department of Surgery, Baylor College of Medicine, One Baylor Plaza (BCM390), Houston, TX 77030, USA.

Critical Care Clinics
|October 8, 2013
PubMed
Summary
This summary is machine-generated.

Necrotizing soft tissue infections (NSTIs) are rare but deadly. Early diagnosis and prompt surgical debridement are crucial for survival, as delayed treatment significantly increases mortality risk.

Keywords:
Clostridial infectionGangreneGroup A streptococcal infectionNSTINecrotizing fasciitisNecrotizing soft tissue infections

Related Experiment Videos

Area of Science:

  • Infectious Diseases
  • Surgical Pathology

Background:

  • Necrotizing soft tissue infections (NSTIs) are uncommon but life-threatening conditions.
  • Early diagnosis of NSTIs is critical but often challenging.
  • A high index of suspicion is necessary for timely intervention.

Purpose of the Study:

  • To highlight the importance of early diagnosis and prompt treatment of NSTIs.
  • To review the essential diagnostic tools and treatment strategies for NSTIs.
  • To emphasize the critical role of surgical debridement in managing NSTIs.

Main Methods:

  • Review of diagnostic challenges in NSTIs.
  • Emphasis on the cornerstone of treatment: early surgical debridement.
  • Discussion of adjunctive therapies including antimicrobial treatment and physiologic support.

Main Results:

  • Delayed surgical treatment is the primary risk factor for mortality in NSTIs.
  • Prompt and complete surgical debridement combined with antibiotics improves outcomes.
  • Continuous monitoring and further debridement may be necessary.

Conclusions:

  • Early and complete surgical debridement is the most critical factor in reducing NSTI mortality.
  • Comprehensive management includes antimicrobial therapy, physiologic support, and nutritional/rehabilitative care.
  • Aggressive and timely intervention is key to patient survival and long-term recovery.