بررسي ميزان شيوع گلودرد استرپتوكوكي در بالغين بالاي 15 سال مراجعه كننده با شكايت گلودرد به درمانگاه بيمارستان فاطميه سمنان 79-1377

Survey of the streptococcal pharyngitis prevalence in over 15 year old adults having sore throat in Semnan Fatemieh hospital during 1999-2000

Introduction: Acute pharyngitis is an inflamatory syndrome in pharynx caused by several various groups of microorganisms. Most infections are viral; among the bacterial causes, "A" group streptococcus is the most important. Due to similarity of the symptoms and also the main complications of streptococcal pharyngitis, Knowing itʹs prevalence and the most common symptoms in this disease is important to treat the patient. Materials and Methods: This is a descriptive cross-sectional study carried out on 200 over 15-year-old adults having sore throat in Semnan Fatemieh Hospital. A questionaire containing; symptoms and signs of disease was completed for patients, then a culture from throat was performed for each one. Finally, prevalence of the streptococcal pharyngitis, sensitivity, characteristics of symptoms were evaluated by descriptive statistics. Results: 56% of patients were female and 44% male, age mean among was 28.82 year old with standard deviation 12.39. In 7.5% of cultures media, streptococcus "A" had been grown. Erythema (76.5%) was the most common symptom in group "A", and then odynophagia, myalgia, fever and exudate, respectively. Totally, these three symptoms; fever, exudate and lymphadenopathy are the main features with 96.2% specificity. Conclusion: In this study, the level of the positive cultures; considering "A" group streptococcus in patients more than 15-year-old is nearly equivalent to the normal population. Results indicating, using antibiotics for over 15-year-old patients is useless except having exudate, fever and lymphadenopathy.