Bacterial Profile in Burn Patients in BMA Medical College and Vajira Hospital
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2010-01-07
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Vajira Medical Journal
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Abstract Bacterial Profile in Burn Patients in BMA Medical College and Vajira Hospital Boonchai Taweerattanasil MD Poth Thirakhupt MD Plastic and Reconstructive Surgery Unit, Department of Surgery, BMA Medical College and Vajira Hospital Objective: To study predominant bacterial profile in burn patients and time-related changes of this profile. Study design: Descriptive study. Subjects: All 82 patients, who were directly admitted after injury in BMA Medical College and Vajira Hospital Burn Unit, during August 2006 to December 2007. Methods: Medical records of enrolled subjects were reviewed. Main outcome measures: Types and incidences of bacteria from subjects' culture specimens. Results: The mean age of the subjects was 26.9 ± 20.8 years. Average total burn surface area was 20.2 ± 22.3 % and average hospital stay was 21.2 ± 24.4 days. There were totally 346 culture specimens, mostly was from burn wound swab culture (203 specimens; 58.7%). The rate of positive cultures among all specimens was 63.9% (221 specimens). Our results showed that the gram-negative bacteria were isolated more frequently (282 times; 64.5%) than gram-positive bacteria (147 times; 33.7%). Most common microorganisms that were isolated from burn wounds were Pseudomonas aeruginosa (18.9%), Staphylococcus coagulase negative (14.2%), Acinetobacter baumannii (10.2%), Enterobacter spp. (9.5%), Enterococcus spp. (9.0%), respectively. Concerning the time-related changes gram-negative bacteria were predominance since admission (51%), and become more predominate in day 7 (60.0%) and day 14 (82.1%) after admission. Conclusion: In burn patients, the most frequent isolate organisms were gram-negative bacteria and this predominance of gram-negative bacteria began since admission, and were more prominence afterwards. Vajira Med J 2009 ; 53 : 253-260
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Vajira Medical Journal; Vol. 53 No. 3 September - December 2009; 253-260