Abstract
Invasive<i>Klebsiella pneumoniae</i>Infections, California, USA
Highlights
To the Editor: A distinctive form of tissue-invasive community-associated Klebsiella pneumoniae infection, typified by primary liver abscess and bacteremia, has been well known in Asia for 2 decades [1,2,3,4]
One patient had kidney abscesses complicated by septic and bland pulmonary emboli and numerous brain abscesses detected by magnetic resonance imaging (Figure)
We found 4 additional patients infected with K. pneumoniae in 2009 who did not have invasive infections
Summary
To the Editor: A distinctive form of tissue-invasive community-associated Klebsiella pneumoniae infection, typified by primary liver abscess and bacteremia, has been well known in Asia for 2 decades [1,2,3,4]. 2 of us (L.L and B.F.) reported 4 cases in persons seeking care at the Alameda County Medical Center in Oakland, California, USA [7]. We report 9 more cases, 7 from Alameda County Medical Center and 2 from St. Rose Hospital in Alameda County. The site of infection was detected by dramatically abnormal results of computed tomographic scan or magnetic resonance imaging (Figure). One other patient with healthcare-associated bacteremia most likely had multiple small liver abscesses that were superinfected cancer metastases.
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