Evaluation of the incidence of bacteremia following middle ear operations

Document Type : Original

Authors

Department of otorhinolaryngology- head and neck surgery, Ghaem hospital, Mashhad University of Medical Sciences, Iran

Abstract

Introduction: Bacteremia following middle ear surgeries occurs in a significant number of patients. The aim of this study is to investigate the incidence of bacteremia following middle ear surgeries.
Materials and Methods: Sixty two patients who where candidates for middle ear operation were enrolled in this study. Blood samples were obtained from each patient immediately before and after operation for bacteriologic analysis. Demographic and middle ear disease characteristics were also recorded for each patient.
Results: In 2 culture samples obtained before the operation and in 15 culture samples obtained after the operation, blood cultures were positive. One postoperative sample was excluded from the study due to probability of contamination. Of 14 postoperative cultures, staphylococcus epidermidis and streptococcus pyogenes were positive in 8 and 4 cases, respectively. There were no significant correlations between positive culture and age, otorrhea (duration and odor), surgical approach, type of surgery and pathological condition of patients.
Conclusion: Risk of bacteremia following middle ear operations should be considered especially in patients who are high risk for postoperative endocarditis. Considering the serious complications of bacteremia, prophylactic measures are necessary in middle ear operations in this group of patients.
 
 

Keywords

Iranian Journal of Otorhinolaryngology
Volume 20, Issue 54 - Serial Number 54
January and February 2009
Pages 177-182

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