Etiology and treatment of choice of respiratory infections in primary care. Opinion of the physicians of the URANO Group
Abstract
OBJECTIVE: To find the opinion of primary care doctors on the aetiology of respiratory infections and their treatment of choice.
DESIGN: Crossover study, through interview with structured questionnaire.
SETTING: Primary care.
PARTICIPANTS: 400 PC doctors distributed by area in direct proportion to the number of doctors in each area.
MEASUREMENTS AND MAIN RESULTS: Most doctors thought that S. pyogenes was the main cause of pharyngitis and tonsillitis; and H. influenzae or S. pneumoniae, of otitis media, sinusitis and exacerbation of acute bronchitis. 78% thought that pneumococci were the main causal agent of pneumonia. 20.5% and 19.8% thought that viruses were the main cause of pharyngitis and acute bronchitis. The treatment of choice depended on the clinical profile and what was thought the most likely cause. For pharyngitis, tonsillitis and acute bronchitis, first choice was aminopenicillins and second was amoxicillin/clavulanic acid. For otitis media, sinusitis and exacerbation of chronic bronchitis, cephalosporins were first choice, followed by amoxicillin/clavulanic acid. For pneumonia, it was aminopenicillins or penicillin, followed by macrolides.
CONCLUSIONS: Spanish primary care doctors underestimate the viral aetiology of pharyngo-tonsillitis and acute bronchitis, which may lead to frequent and unnecessary use of antibiotics in these clinical cases. The cause of other infections is well-known, although there are some discrepancies as to the treatment of choice with…
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Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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