Critical care nurse
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Infection, bacteremia, and sepsis are frequent complications in critically ill patients. Ideally, the infectious agent is readily identified to facilitate timely treatment to promote the patient's recovery. Use of blood cultures is one method of identifying the pathogen. ⋯ Blood cultures may not always result in identification of the pathogen because the organism may not grow once placed in culture medium. This new method that uses the polymerase chain reaction may be more sensitive than blood cultures because it requires only DNA from bacteria. Although early studies have not been conclusive in terms of the benefits of this new technology, additional research will improve methods for identification of pathogens in critically ill patients.
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Throughout the history of mucormycosis, from the first case in humans reported in 1885 by Paltauf, through publication by Gregory et al of the first observation of rhino-orbital cerebral mucormycosis in 1943, to the report by Harris in 1955 of the first known survivor, little has changed in the diagnosis and outcome of this disease. Although mucormycosis of any form--cerebral, cutaneous, rhinocerebral, intestinal, or pulmonary--is still a rarity, it should be suspected in patients who are diabetic or immunocompromised. Administration of amphotericin B, surgical debridement of infected tissue, correction of the underlying cause, and use of adjunctive HBO therapy remain the standard treatments.
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Critical care nurse · Feb 2000
Practice Guideline GuidelinePractice standards articulate expectations.