Significance of direct Gram stained smear examination in sore throat
AbstractThe present study was conducted to demonstrate the significance of direct smear examinations of throat swabs collected from sore throat cases. Throat swabs collected from 200 sore throat cases were studied by direct smear examination and culture. Gram positive cocci and Gram negative bacilli were interpreted as probable etiology based on pus cells and predominant organism present in the smear. Culture isolates were corresponding to the interpretation of Gram stain. Out of the 200 isolates, 47 (23%) were culture positive. Among them Gram positive were 24 (12%). The predominant isolate being Streptococcus pneumoniae (25.5%) followed by Staphylococcus aureus (17.02%),Streptococcus pyogenes (6.3%) and Enterococci (4.2%). Gram negative organisms account for 23 (11%). Viruses being the most common etiology in sore throat when compared to bacterial, for which not only the treatment with antibiotics is inappropriate and also the symptomatic treatment is sufficient. Thus Gram stain report helps in reducing the inadvertent use of antibiotic and thereby preventing the emergence of drug resistance. Key words: sore throat, throat swab, Grams stain
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