Invasive devices: no need? No use!
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Cross Infection↗
Biomedical subjects
Renaat Peleman
Publications and source records attributed to Renaat Peleman.
Antifungal drugs and rational use of antifungals in treating invasive aspergillosis: the role of the hospital pharmacist.
AIM: This review discusses the most common used antifungal agents in the treatment of invasive fungal infections. In addition, guidelines for the treatment of invasive aspergillosis, as used in the Ghent University Hospital, are described. Moreover, the importance of determining the effectiveness of antifungal therapy as well as the potential role of the hospital pharmacist in the management of this infection is highlighted. METHODS: A review of the English-language literature was conducted using the MEDLINE database and scientific websites. Search terms including antimycotics, antifungal therapy and invasive aspergillosis were used to refine the search, and preference was given to studies published after 1992. This was completed with recent treatment guidelines. RESULTS: An overview of the most recent advances in antifungal therapy is described. In addition, a flowchart for treatment of invasive aspergillosis (proven, probable or possible) has been developed. CONCLUSION: Invasive fungal infections will remain a frequent and important complication of modern medicine. Considering the clinical and financial outcome of invasive fungal infections, the role of the hospital pharmacist can be a paramount to the treatment.
Antifungal Agents↗
Colonization status and appropriate antibiotic therapy for nosocomial bacteremia caused by antibiotic-resistant gram-negative bacteria in an intensive care unit.
OBJECTIVE: Timely initiation of antibiotic therapy is crucial for severe infection. Appropriate antibiotic therapy is often delayed for nosocomial infections caused by antibiotic-resistant bacteria. The relationship between knowledge of colonization caused by antibiotic-resistant gram-negative bacteria (ABR-GNB) and rate of appropriate initial antibiotic therapy for subsequent bacteremia was evaluated. DESIGN: Retrospective cohort study. SETTING: Fifty-four-bed intensive care unit (ICU) of a university hospital. In this unit, colonization surveillance is performed through routine site-specific surveillance cultures (urine, mouth, trachea, and anus). Additional cultures are performed when presumed clinically relevant. PATIENTS: ICU patients with nosocomial bacteremia caused by ABR-GNB. RESULTS: Infectious and microbiological characteristics and rates of appropriate antibiotic therapy were compared between patients with and without colonization prior to bacteremia. Prior colonization was defined as the presence (detected > or = 2 days before the onset of bacteremia) of the same ABR-GNB in colonization and subsequent blood cultures. During the study period, 157 episodes of bacteremia caused by ABR-GNB were suitable for evaluation. One hundred seventeen episodes of bacteremia (74.5%) were preceded by colonization. Appropriate empiric antibiotic therapy (started within 24 hours) was administered for 74.4% of these episodes versus 55.0% of the episodes that occurred without prior colonization. Appropriate therapy was administered within 48 hours for all episodes preceded by colonization versus 90.0% of episodes without prior colonization. CONCLUSION: Knowledge of colonization status prior to infection is associated with higher rates of appropriate therapy for patients with bacteremia caused by ABR-GNB.
Anal Canal↗
Enzymatic differentiation of Candida parapsilosis from other Candida spp. in a membrane filtration test.
A previously reported enzyme assay on a membrane filter using 4-methylumbelliferyl (4-MU)-N-acetyl-beta-D-galactosaminide, -phosphate and -pyrophosphate as substrates for the differentiation of four Candida spp. has been extended to Candida parapsilosis. The substrate 4-MU-beta-D-glucoside was hydrolyzed by 28 test strains of this species but to a variable extent by seven other yeasts also. For a full enzymatic differentiation of C. parapsilosis from other medical yeasts, a battery of six reactions was required. Of 71 C. parapsilosis positive clinical samples, 4.2% gave a false negative result due to overgrowth by Candida albicans. The present assay is more rapid than a described spectrofluorometric determination of beta-D-glucosidase in a broth, i.e., 9-11 h versus up to >48 h.
Acid Phosphatase↗