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1.  Intestinal invasion and disseminated disease associated with Penicillium chrysogenum 
Background
Penicillium sp., other than P. marneffei, is an unusual cause of invasive disease. These organisms are often identified in immunosuppressed patients, either due to human immunodeficiency virus or from immunosuppressant medications post-transplantation. They are a rarely identified cause of infection in immunocompetent hosts.
Case presentation
A 51 year old African-American female presented with an acute abdomen and underwent an exploratory laparotomy which revealed an incarcerated peristomal hernia. Her postoperative course was complicated by severe sepsis syndrome with respiratory failure, hypotension, leukocytosis, and DIC. On postoperative day 9 she was found to have an anastamotic breakdown. Pathology from the second surgery showed transmural ischemic necrosis with angioinvasion of a fungal organism. Fungal blood cultures were positive for Penicillium chrysogenum and the patient completed a 6 week course of amphotericin B lipid complex, followed by an extended course oral intraconazole. She was discharged to a nursing home without evidence of recurrent infection.
Discussion
Penicillium chrysogenum is a rare cause of infection in immunocompetent patients. Diagnosis can be difficult, but Penicillium sp. grows rapidly on routine fungal cultures. Prognosis remains very poor, but aggressive treatment is essential, including surgical debridement and the removal of foci of infection along with the use of amphotericin B. The clinical utility of newer antifungal agents remains to be determined.
doi:10.1186/1476-0711-4-21
PMCID: PMC1343575  PMID: 16371150
2.  Killing Bugs at the Bedside: A prospective hospital survey of how frequently personal digital assistants provide expert recommendations in the treatment of infectious diseases 
Background
Personal Digital Assistants (PDAS) are rapidly becoming popular tools in the assistance of managing hospitalized patients, but little is known about how often expert recommendations are available for the treatment of infectious diseases in hospitalized patients.
Objective
To determine how often PDAs could provide expert recommendations for the management of infectious diseases in patients admitted to a general medicine teaching service.
Design
Prospective observational cohort study
Setting
Internal medicine resident teaching service at an urban hospital in Dayton, Ohio
Patients
212 patients (out of 883 patients screened) were identified with possible infectious etiologies as the cause for admission to the hospital.
Measurements
Patients were screened prospectively from July 2002 until October 2002 for infectious conditions as the cause of their admissions. 5 PDA programs were assessed in October 2002 to see if treatment recommendations were available for managing these patients. The programs were then reassessed in January 2004 to evaluate how the latest editions of the software would perform under the same context as the previous year.
Results
PDAs provided treatment recommendations in at least one of the programs for 100% of the patients admitted over the 4 month period in the 2004 evaluation. Each of the programs reviewed improved from 2002 to 2004, with five of the six programs offering treatment recommendations for over 90% of patients in the study.
Conclusion
Current PDA software provides expert recommendations for a great majority of general internal medicine patients presenting to the hospital with infectious conditions.
doi:10.1186/1476-0711-3-22
PMCID: PMC529304  PMID: 15500688

Results 1-2 (2)