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Clinical relevance of bacterial resistance in lower respiratory tract infection in primary care

Tijdschriftbijdrage - Tijdschriftartikel

Ondertitel:secondary analysis of a multicentre European trial
Background The impact of antimicrobial resistance on clinical outcomes in patients with lower respiratory tract infection in primary care is largely unknown. Aim To determine the illness course of infections with resistant bacteria in adults presenting to primary care with acute cough. Design and setting Secondary analysis of a multicentre European trial in primary care. Method A total of 2061 adults with acute cough (lasting ≤28 days) were recruited from primary care and randomised to amoxicillin or placebo. To reflect the natural course of disease, only patients in the placebo group (n = 1021) were eligible. Nasopharyngeal flocked swabs and/or sputa (when available) were analysed at baseline and Streptococcus pneumoniae and Haemophilus influenzae isolates underwent susceptibility testing. Patients recorded their symptoms in a diary every day for 4 weeks. Patients with and without resistant bacterial infection were compared with regards to symptom severity, duration of symptoms, worsening of illness, and duration of interference with normal activities or work. Results Of the 834 patients with diary records, 104 showed S. pneumoniae and/or H. influenzae infection. Of this number, 54 (52%) were resistant to antibiotics, while seven (7%) were resistant to penicillin. For the duration of symptoms rated moderately bad or worse (hazard ratio 1.27, 95% confidence interval [CI] = 0.67 to 2.44), mean symptom severity (difference −0.48, 95% CI = −1.17 to 0.21), and worsening of illness (odds ratio 0.31, 95% CI = 0.07 to 1.41), there was no statistically significant difference between the antibiotic-resistant and antibiotic-sensitive groups. Conclusion The illness course of antibiotic-resistant lower respiratory tract infection does not differ from that caused by antibiotic-sensitive bacteria.
Tijdschrift: The British journal of general practice
ISSN: 0960-1643
Volume: 68
Pagina's: E627 - E632
Jaar van publicatie:2018
Trefwoorden:A1 Journal article
BOF-keylabel:ja
BOF-publication weight:2
CSS-citation score:1
Auteurs:International
Authors from:Higher Education
Toegankelijkheid:Open