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Can group A beta haemolytic streptococcal sore throats be identified clinically?
K S de Silva1, M W Gunatunga, A J Perera
1Faculty of Medicine, University of Colombo.
The Ceylon Medical Journal
|June 4, 1999
Summary
Clinical signs cannot reliably differentiate Group A beta-hemolytic streptococcal (GABHS) throat infections from other causes in children. Throat cultures are essential for accurate diagnosis of GABHS pharyngitis.
Area of Science:
- Pediatrics
- Infectious Diseases
- Microbiology
Background:
- Group A beta-hemolytic streptococcal (GABHS) pharyngitis is a common childhood illness.
- Accurate diagnosis is crucial to prevent complications like rheumatic fever.
- Clinical differentiation from viral and other bacterial infections is often challenging.
Purpose of the Study:
- To determine if clinical manifestations can reliably differentiate GABHS throat infections from other causes in children.
- To assess the diagnostic value of specific signs and symptoms.
Main Methods:
- A study was conducted on children aged 3-12 years presenting with sore throats.
- Throat swabs were collected for bacterial culture.
- Clinical examinations included assessment for cervical lymphadenopathy and tonsillar exudate.
Main Results:
- GABHS was isolated from 44.5% of throat swabs.
- No specific clinical signs or symptoms were significantly associated with GABHS infection.
- Clinical differentiation of GABHS sore throats was not possible based on presented symptoms and signs.
Conclusions:
- Clinical assessment alone is insufficient for diagnosing GABHS pharyngitis in children.
- Throat swabs for culture are necessary for definitive diagnosis.
- In resource-limited settings without culture facilities, empirical treatment for GABHS may be considered.