Microbiological assessment of ENT infections and diseases: Clinical case study at Orlu, Imo State, Nigeria


Ifeanyi O. C. Obiajuru and Anaelechi B. Chukuezi

Microbiological assessment of Ear, Nose and Throat (ENT) specimens from patients attending Imo State University Teaching Hospital, Orlu, Imo State, Nigeria were studied. Six hundred and twenty three male and female patients comprising of 312 with ear infections, 204 and 107 with throat and nasal infections respectively, were randomly selected and screened from February 2006 to March 2007. The samples were examined microbiologically using culture technique and direct microscopy. The findings showed that eight genera of bacteria Staphylococcus species, Streptococcus pneumoniae, Neisseria pneumoniae, Klebsiellapneumoniae, Pseudomonas sp., Proteus mirabilis, Escherichia coli, Haemophilussp. And two genera of fungi Candida sp., and Aspergillussp, were responsible for various ENT infections amongst patients examined at Imo State University Teaching Hospital Orlu. The most prevalent organism was Staphylococcus species (15.89%) while the least prevalent organism was Klebsiellapneumoniae (1.93%). The highest number of micro-organisms (222) was observed in ear swabs followed by throat swabs (156) while nasal swabs had the least number (101). Antibiotic susceptibility test on the isolates showed that sparfloxacin exhibited the highest antibacterial activity (89.3%) while chloramphenicol exhibited the least (14.7%) against the isolates.

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