Abstract
Capsular serotypes of 225 Klebsiella pneumoniae isolates in Taiwan were identified by using PCR. Patients infected with K1 serotypes (41 isolates) had increased community-onset bacteremia, more nonfatal diseases and liver abscesses, lower Pittsburgh bacteremia scores and mortality rates, and fewer urinary tract infections than patients infected with non-K1/K2 serotypes (147 isolates).
Highlights
Capsular serotypes of 225 Klebsiella pneumoniae isolates in Taiwan were identified by using PCR
No differences were found in clinical characteristics for patients with K2 bacteremia and those with non–K1/K2 bacteremia except for a higher frequency of liver abscesses in patients with K2 bacteremia (13.5% vs. 4.1%; OR 3.67, 95% CI 1.06–12.8)
Mortality rates for patients with K. pneumoniae bacteremia were lower in patients with urinary tract infections (UTIs) or biliary tract infections [5,14], which were less common in patients infected with a K1 serotype
Summary
Capsular serotypes of 225 Klebsiella pneumoniae isolates in Taiwan were identified by using PCR. Yu et al grouped K1 and K2 serotypes and compared clinical characteristics for patients with K. pneumoniae bacteremia with those for patients infected with non–K1/ K2 serotypes [3]. We examined the distribution and clinical characteristics of serotypes that cause K. pneumoniae bacteremia from 225 patients [9] and performed PCR-based genotyping to identify capsular serotypes [10].
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