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P379.1 Comparative Analysis on the Efficacy of Anti-Bacterial Versus Non-Antibacterial Detergent After 24-hours of Duty on Residents of Perpetual Help Medical Center Biñan

Objective To compare the effectiveness of bacterial growth between anti-bacterial detergent versus non anti- bacterial detergent in the disinfection of white coats of resident doctors. Design This was a blinded experimental study of 30 white coats from residents. The white coats were randomly grouped: the first used an anti-bacterial laundry detergent, and the second used a regular detergent. Each coat was sampled from three areas, the dominant hand’s (1) lapel, (2) cuff, and (3) pocket areas. Samples were taken three times (1) after at least 24 hours of duty (2) after machine- washing the white coat; and (3) after machine-washing and after another at least 24-hour duty of the participant. The swabs were directly inoculated into agar and isolated bacteria were assessed thru biochemical reaction. Setting The study was done in a tertiary hospital in Binan, Laguna, Philippines Participants Total enumeration of 30 resident physicians participated in the study. Main Outcome Measure It was hypothesized that an antibacterial detergent would be more effective than a non-antibacterial one in the disinfection. Results There was no significant difference in the disinfection when using either antibacterial versus non-antinbacterial detergent. Majority of the white coats have an isolated growth in at least one area (53.3%), however growth was mostly none when compared to each area. Few isolates of Streptococcus and fungal growth were noted (p.269>0.5). Moreover, out of the 27 microorganisms isolated only two were noted to be non-pathogenic. Conclusions In the white coats investigated for the effect of antibacterial detergent versus non-antibacterial detergent yielded no significant difference, suggesting that the isolates were considered to be relatively insignificant and that no variations existed as to the choice of detergent for washing the white coat.