تحري الجراثيم الهوائية المسببة لالتهاب الأذن الوسطى و دراسة حساسيتها للمضادات الحيوية

الملخص EN

Otitis media is the most common infection especially in childhood.

The infection in many cases becomes chronic and causes damage to ossicles and facial nerve, and also may cause hearing loses.

Our study aimed to isolate and identify the common causative aerobic bacterial agents for chronic and acute otitis media (OM) and to study their antibiotic susceptibility in certain contacts to clinics and some Damascus's hospitals.

This study was conducted during the period of 2013-2014 and involved 87 patients with chronic otitis media (COM) (51: 58.62%) or acute otitis media (AOM) (36: 41.38%), The most frequently isolated causative aerobic bacterial strains in COM were Pseudomonas aeruginosae (44.90%), followed by Staphylococcus aureus (32.65%), proteus mirabilis (12.24%), Klebsiella pneumoniae (6.12%) and finally Staphylococcus epidermidis (4.08%), the ratio of Gram- negative bacterial was 63.26% of isolated bacterial strains.

In AOM, The most frequently isolated causative aerobic bacterial strains were Streptococcus pneumoniae (65.63%), followed by Pseudomonas aeruginosa (15.63%), Haemophilus influenzae (9.38%) and Staphylococcus aureus (9.38%), the ratio of Gram-negative bacterial strains was %24.99 of isolated bacterial strains.

The outcomes of isolated bacterial strains antibiotic susceptibility were compared between acute and chronic cases; the bacterial strains were highly sensitive to levofloxacin, ciprofloxacin, azithromycin, amikacin and Imipenem in a ratio between 75% to100 % in chronic cases and from 80% to 100% in acute cases