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Microbiology Fundamentals 2nd Edition by Jennifer Bunn,Marjorie Kelly Cowan
Edition 2ISBN: 978-1259572760Microbiology Fundamentals 2nd Edition by Jennifer Bunn,Marjorie Kelly Cowan
Edition 2ISBN: 978-1259572760 Exercise 1
C A S E F IL E
Wound Care
I was an RN working in a large city hospital on a medical floor. A lot of our patients had diabetes and were suffering various complications of the disease, particularly diabetic wounds caused by poor circulation. Wound care was a large part of my job. After 2 years on the unit, I decided to pursue wound care certification. Once I became a wound care specialist, I continued to work in the same hospital and saw patients with complicated and/or chronic wounds.
Mr. Jones was one of the first patients I consulted about after I became certified. He was an elderly gentleman who had lost his sight due to diabetes. When I met Mr. Jones, he had a chronic wound on his lower leg that had been present for months. The wound was circumferential, taking up half of his lower leg. It was also grossly infected. Mr. Jones had been admitted to the hospital for antibiotics to treat his infection. It was clear that if the antibiotics failed to improve his wound, Mr. Jones was in danger of losing his leg.
Within a day of admission, we realized that antibiotic therapy alone was not going to be enough. Mr. Jones developed signs of gas gangrene. Wound cultures were positive for Clostridium perfringens, which produces toxins that destroy muscle tissue and results in sepsis and death if untreated.
Mr. Jones was taken immediately to surgery where his wound was debrided, meaning that dead or devitalized tissue was removed. Following, he was given large doses of penicillin in an effort to stop the spread of the infection.
The next day, Mr. Jones was started on daily hyperbaric oxygen therapy, with sessions lasting for 45 minutes. Slowly, his wound began to improve. The wound was debrided twice more under anesthesia, and the patient remained on antibiotics until wound cultures came back free of C. perfringens. Although the wound took several months to heal, Mr. Jones kept his leg.
• What is hyperbaric oxygen therapy, and why is it used to treat wounds infected with C. perfringens ?
• Is C. perfringens considered an aerobe or an anaerobe?
Wound Care
I was an RN working in a large city hospital on a medical floor. A lot of our patients had diabetes and were suffering various complications of the disease, particularly diabetic wounds caused by poor circulation. Wound care was a large part of my job. After 2 years on the unit, I decided to pursue wound care certification. Once I became a wound care specialist, I continued to work in the same hospital and saw patients with complicated and/or chronic wounds.
Mr. Jones was one of the first patients I consulted about after I became certified. He was an elderly gentleman who had lost his sight due to diabetes. When I met Mr. Jones, he had a chronic wound on his lower leg that had been present for months. The wound was circumferential, taking up half of his lower leg. It was also grossly infected. Mr. Jones had been admitted to the hospital for antibiotics to treat his infection. It was clear that if the antibiotics failed to improve his wound, Mr. Jones was in danger of losing his leg.
Within a day of admission, we realized that antibiotic therapy alone was not going to be enough. Mr. Jones developed signs of gas gangrene. Wound cultures were positive for Clostridium perfringens, which produces toxins that destroy muscle tissue and results in sepsis and death if untreated.
Mr. Jones was taken immediately to surgery where his wound was debrided, meaning that dead or devitalized tissue was removed. Following, he was given large doses of penicillin in an effort to stop the spread of the infection.
The next day, Mr. Jones was started on daily hyperbaric oxygen therapy, with sessions lasting for 45 minutes. Slowly, his wound began to improve. The wound was debrided twice more under anesthesia, and the patient remained on antibiotics until wound cultures came back free of C. perfringens. Although the wound took several months to heal, Mr. Jones kept his leg.
• What is hyperbaric oxygen therapy, and why is it used to treat wounds infected with C. perfringens ?
• Is C. perfringens considered an aerobe or an anaerobe?
Explanation
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Verified
Clostridium perfringens is an anaerobic,...
Microbiology Fundamentals 2nd Edition by Jennifer Bunn,Marjorie Kelly Cowan
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