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Query: UMLS:C0348321 (Haemophilus)
 15,372 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In a recent study by the Centers for Disease Control (CDC) it was noted that there had been a resurgence of Gram-positive bacteremia together with an increase in fungemia. This reported trend is confirmed by data from the Austrian Tirol. In 1991 1,750 out of 13,679 specimens (12.8%) yielded bacterial or fungal growth, accounting for 1,248 cases of "bacteremia"; no decision was made about the clinical significance of the culture isolates. We consider laboratory reports of blood isolates to be fairly well suited to reflect the frequency of the various bacterial and fungal pathogens. The most common organisms were coagulase-negative staphylococci (41%). The proportion of Staphylococcus aureus (17%), E. coli (4%), Klebsiella-Enterobacter (4%), Pseudomonas (5%) and Candida (3%) corresponded well with the situation in the USA and the UK. Remarkably, anaerobes accounted for only 0.3%, possibly due to our use of a "single bottle"--blood-culture system. Various fastidious organisms, including Brucella melitensis and Haemophilus aphrophilus, were detected by this blood-culture system. Also 15 Haemophilus influenzae-strains, nontyphoidal salmonellae (9 strains), and meningococci (7 strains) were isolated. These data show that the microbiologic features of blood-cultured seen in Austrian Tyrol are broadly similar to those in the UK and North America.
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PMID:[The spectrum of pathogens in positive blood cultures--Tyrol 1991]. 148 45

The incidence and antimicrobial susceptibility of organisms isolated from blood, urine and respiratory specimens at a teaching hospital in Hong Kong were studied retrospectively from 1986-1993. The incidence of Gram-positive bacteraemia, particularly coagulase-negative staphylococci (CNS), increased significantly from 33.6 to 47.3% (P < 0.001) while that of Gram-negative bacteraemia fell from 60.0 to 47.0% (P < 0.001). Among blood isolates, methicillin resistance of CNS increased from 17.0 to 58.0% (P < 0.001) and cefuroxime resistance of Enterobacter spp. increased from 21.0 to over 50% (P < 0.01). Among urinary isolates, cefuroxime resistance of Klebsiella spp. (11.0 to 24.0%, P < 0.001) and Enterobacter spp. (32.0 to 75.0%, P < 0.001) increased. Nalidixic acid resistance among Gram-negative urinary isolates, except Proteus mirabilis, rose by three- to sixfold. For Streptococcus pneumoniae, isolated from the respiratory tract, penicillin resistance increased dramatically (2 to 18%, P < 0.001). For respiratory isolates of Haemophilus influenzae, ampicillin resistance increased from 17.0 to 29.0% (P < 0.001). These data are useful in guiding empirical treatment of nosocomial infections.
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PMID:Changing patterns of susceptibilities of blood, urinary and respiratory pathogens in Hong Kong. 892 80