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Gas gangrene

Xem 1-10 trên 10 kết quả Gas gangrene
  • Harrison's Internal Medicine Chapter 135. Gas Gangrene and Other Clostridial Infections Definition Bacteria of the genus Clostridium are gram-positive, spore-forming, obligate anaerobes that are ubiquitous in nature. There are 60 recognized species of clostridia, many of which are generally considered saprophytic. Some of these species are pathogenic for humans and animals, particularly under conditions of lowered oxidation-reduction potential. Infections associated with these organisms range from localized wound contamination to overwhelming systemic disease.

    pdf5p colgate_colgate 21-12-2010 59 3   Download

  • Spontaneous nontraumatic clostridial myonecrosis (gas gangrene). A man in his 50s presented with severe pain in the right upper extremity. Over several hours, he developed progressive swelling and discoloration in that extremity (A), with hemorrhagic ecchymoses and bullae (B). Gram's stain of aspirate from bullous lesions revealed gram-positive bacilli (C). The patient underwent amputation of the extremity. Tissue Gram's stain (D) also showed gram-positive bacilli, and surgical cultures grew C. septicum.

    pdf5p colgate_colgate 21-12-2010 46 2   Download

  • Gas Gangrene (Clostridial Myonecrosis) Gas gangrene is characterized by rapid and extensive necrosis of muscle accompanied by gas formation and systemic toxicity and occurs when bacteria invade healthy muscle from adjacent traumatized muscle or soft tissue. The infection originates in a wound contaminated with clostridia. Although 30% of deep wounds are infected with clostridia, the incidence of clostridial myonecrosis is quite low. These infections occur in both military and civilian settings.

    pdf6p colgate_colgate 21-12-2010 50 2   Download

  • Clinical Manifestations Intestinal Disorders Food Poisoning C. perfringens, primarily type A, is the second or third most common cause of food poisoning in the United States (Chap. 122). The responsible toxin is thought to be a cytotoxin produced by 75% of strains isolated from cases of foodborne disease. The cytotoxin binds to a receptor on the small-bowel brush border and induces a calcium ion–dependent alteration in permeability. The associated loss of ions alters intracellular metabolism, resulting in cell death.

    pdf7p colgate_colgate 21-12-2010 48 4   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Lethal pneumatosis coli in a 12-month-old child caused by acute intestinal gas gangrene after prolonged artificial nutrition: a case report

    pdf4p dauphong1 21-12-2011 28 3   Download

  • Diagnosis The diagnosis of clostridial disease, in association with positive cultures, must be based primarily on clinical findings. Because of the presence of clostridia in many wounds, their mere isolation from any site, including the blood, does not necessarily indicate severe disease. Smears of wound exudates, uterine scrapings, or cervical discharge may show abundant large gram-positive rods as well as other organisms. Cultures should be placed in selective media and incubated anaerobically for identification of clostridia.

    pdf9p colgate_colgate 21-12-2010 46 2   Download

  • Since the book "Gangrene: Current Concepts and Management Options" had been published in August 2011, certain advancements in the field have been observed and several important multicenter studies have been successfully accomplished. The presented book, second in the series, continues the discussion of many clinical, physiological, immune-and bacteriological, as well as socio-economic aspects of the complex problems pertain to diabetes-associated and non-diabetic gangrene management.

    pdf92p haiduong_1 15-04-2013 22 2   Download

  • Cooney and Cooney International Journal of Emergency Medicine 2011, 4:14 http://www.intjem.com/content/4/1/14 CASE REPORT Open Access Gas gangrene and osteomyelitis of the foot in a diabetic patient treated with tea tree oil Derek R Cooney* and Norma L Cooney Abstract Diabetic foot wounds represent a class of chronic non-healing wounds that can lead to the development of soft tissue infections and osteomyelitis.

    pdf4p dauphong13 09-02-2012 36 3   Download

  • Bacteria of the genus Clostridium are gram-positive, spore-forming, obligate anaerobes that are ubiquitous in nature. There are 60 recognized species of clostridia, many of which are generally considered saprophytic. Some of these species are pathogenic for humans and animals, particularly under conditions of lowered oxidation-reduction potential. Infections associated with these organisms range from localized wound contamination to overwhelming systemic disease.

    pdf13p ozon_ozon 26-04-2012 23 2   Download

  • Clostridium histolyticum collagenase is responsible for extensive tissue destruction in gas gangrene, and its activity is enhanced by calcium ions. The collagen-binding domain is the minimal segment of the enzyme required for binding to insoluble collagen fibrils and for subsequent colla-genolysis.

    pdf13p viettel02 22-02-2013 19 1   Download

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