Antibiotic prescribing pattern in a medical ...



Title Antibiotic prescribing pattern in a medical intensive care unit in Qatar
Author(s) Y. Hanssens, B. B. Ismaeil, A. A. Kamha, S. S. Elshafie, F. S. Adheir, Tarek M. Saleh, D. Deleu
Journal Saudi Medical Journal
Date 2005
Volume 26
Issue 8
Start page 1269
End page 1276
Abstract OBJECTIVE: The primary objectives were to evaluate the current usage of anti-microbial agents in the Medical Intensive Care Unit (MICU) of Hamad Medical Corporation (HMC) in Doha, State of Qatar and to correlate this with: a) the infectious disease pattern, b) the isolated microorganisms and their sensitivity pattern, and, importantly, c) the patient's clinical outcome. A secondary objective was to evaluate the influence of the use of steroid therapy on the development of fungal infections. METHODS: A prospective study covering a 2-month period from February through April 2004, including all patients admitted to the MICU for a minimum of 48 hours, and receiving a systemic antibiotic. RESULTS: From the 71 eligible patients admitted, 54 (76%) were treated for presumed or proven infections and received antibiotics, corresponding with 280 (89%) of the 313 patient days. Respiratory infections accounted for 57%. A total of 159 antibiotics (134 intravenously and 25 orally) were administered to the 54 patients during their stay in the MICU, corresponding with an average of almost 3 antibiotics per patient. Ceftriaxone was prescribed in 31 patients (57%) as initial therapy. Throughout the study period, a total of 385 microbiology samples for culturing were taken, corresponding with almost one sample per patient per day. Fifty-two percent of patients had a microbiologically proven infection (MPI): 18% with community-acquired pneumonia (CAP), 18% ventilated-acquired pneumonia (VAP), and 11% with hospital-acquired pneumonia (HAP). In the group of bacterial MPI, sensitivity pattern resulted in change in empirical antibiotic therapy in 12 of 23 patients (52%). In the group of patients with non-MPI, antibiotherapy was changed in 5 of the 26 patients (19%). Yeast infections developed in 13 of 30 (43%) patients receiving steroids (with 3 out of 9 patients (33%) receiving steroids for severe sepsis, and septic shock) compared to 5 of 24 (21%) patients receiving no steroids. CONCLUSION: This study highlights the urgent need for updated empiric and treatment guidelines as well as the monitoring of the antibiotic usage.

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