Common Bacteria and Their Antibiotic Sensitivities Involved in Complex Fascial Space Infections of Odontogenic Origin

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Yasir Rehman Khattak
Anjum Iqbal
Ajmal Khan
Tariq Sardar
Umer Ullah
Muhammad Mushtaq


Objective: To evaluate the frequency of common bacteria and their antibiotic sensitivities in complex fascial space infections of odontogenic origin.

Methodology: In this descriptive, multicentral cross-sectional study 131 patients were conveniently recruited having complex fascial space infections of odontogenic origin from October 2012 to September 2019. Pus aspirates were sent for culture and sensitivity testing to identify the bacteria involved and their antibiotic sensitivities. The qualitative variables like gender, age, facial spaces, and bacteria involved were defined by frequencies and percentages.

Results: The most common bacteria found were Viridians Streptococci (39.7%), followed by Prevotella (29.8%), Pepto streptococcus (18.3%), staphylococcus Aureus (9.2%) and Haemophilus (3.1%). Viridans were sensitive to Co-amoxiclav and ceftriaxone in 100% cases. The sensitivity of Staphylococcus Aureus to Clindamycin and Gentamycin was 75 %each.

Conclusion: Viridans Streptococci and Prevotella were the most common microbes isolated in fascial space infections having odontogenic origin. Ceftriaxone and Co-amoxiclave were the most effective antibiotics against the Virdans and Ceftriaxone, Ciprofloxacin, and Ofloxacin were most effective against Staphylococcus Aureus.

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