Prevalence of Nasal Carriage of Staphylococcus aureus in Madani Heart Hospital, Tabriz

Staphylococcus aurous has been known as one of the most common nosocomial pathogens which include as much as %30 to %50 of general population. Regarding to the presence of carrier staff can be considered as one of the infection source; remarking of carrier for prevention purposes is important. In a cross-sectional study we determined the prevalence of staphylococcus aurous carriage among 113 edical staff of Madani Heart Hospital, Tabriz (Iran) 28/08/2009 to 28/09/2009 on (Physicians, nurses, technicians, secretaries, the administrative personnel and services), including surgical wards, laboratory, ICU and CCU. In this study, 113 participants comprised of 60 males (53%) and 53 females (47%), and their mean age of participants in this study was 34.8 years (20-55). Sampling was carried out from nasal of employees. Samples were place on blood agar and mannitol salt agar; suspected colonies have been cultured and identified by catalase, coagulase and DNAase. Generally, of 113 people who entered the study, 30 person (26.5%) had positive cultures and 82 (72.6%) had a negative culture. The incidence of staphylococcus aureus carriage was more in men than women 57% vs. 43% (p<0.05). In this study staphylococcous areous carriage incidence in Tabriz heart centre (Madani hospital) was 50 % to 80% lower than our estimation, unexpectedly.