Volume 18, Number 9—September 2012
Letter
Aeromonas spp. Bacteremia in Pregnant Women, Thailand–Myanmar Border, 2011
Table
Characteristic |
Patient no., organism
|
||
---|---|---|---|
1, A. hydrophila | 2, A. veronii biovar sobria | 3, A. veronii biovar sobria | |
Species identification results | |||
Growth in 1% NaCl |
+ | + | + |
Growth in 6% NaCl |
– | – | – |
Growth on TCBS agar (colonies) |
+/– (yellow) | +/– (yellow) | +/– (green) |
Glucose fermentation |
+ | + | + |
Oxidase |
+ | + | + |
O129 susceptibility (10 µg/150 µg) |
–/– | –/– | –/– |
Esculin hydrolysis |
+ | – | – |
Indole |
+ | + | + |
Voges-Proskauer |
+ | + | + |
Gas from glucose (TSI) |
+ | + | + |
Acid from arabinose |
– | – | – |
Cephalothin susceptibility (30 µg) | – | + | – |
Antimicrobial drug susceptibilities (zone diameter, mm) |
|||
Ampicillin (10 µg) |
NA (6) | NA (6) | NA (6) |
Ceftazidime (30 µg) |
S (30) | S (31) | S (32) |
Ceftriaxone (30 µg) |
S (26) | S (40) | S (31) |
Meropenem (10 µg) |
S (30) | S (28) | S (23) |
Chloramphenicol (30 µg) |
S (30) | S (31) | S (28) |
Ciprofloxacin (5 µg) |
S (33) | S (35) | S (26) |
Co-trimoxazole (25 µg) |
S (24) | S (22) | S (23) |
Gentamicin (10 µg) |
S (20) | S (19) | S (18) |
*TCBS, thiosulfate-citrate-bile salts-sucrose; O129, disks impregnated with 2,4-diamino-6,7di-iso-propylpteridine phosphate for the presumptive identification of Vibrio spp. from other gram-negative rods; TSI, triple sugar iron; NA, not applicable; S, susceptible (derived according to criteria from [4]).
References
- Janda JM, Abbott SL. The genus Aeromonas: taxonomy, pathogenicity, and infection. Clin Microbiol Rev. 2010;23:35–73. DOIPubMedGoogle Scholar
- Damián RF, Zesati RV, Fernaindez LS, Garcia JL. Septicemia due to Aeromonas hydrophila in a pregnant woman: a case report and review of the literature. Infect Dis Obstet Gynecol. 1995;3:252–5. DOIPubMedGoogle Scholar
- Carnahan AM, Behram S, Joseph SW. Aerokey II: a flexible key for identifying clinical Aeromonas species. J Clin Microbiol. 1991;29:2843–9.PubMedGoogle Scholar
- Clinical and Laboratory Standards Institute. Methods for antimicrobial dilution and disk susceptibility testing of infrequently isolated or fastidious bacteria, approved guideline. CLSI document M45–A2. Wayne (PA): The Institute; 2010.
- Das AM, Paranjape VL. Aeromonas sobria in bubaline (water buffalo) abortion: growth requirement, biochemical characters, antibiotic susceptibility, experimental pathogenicity and serology. Indian J Exp Biol. 1990;28:341–5.PubMedGoogle Scholar
- Belton S, Whittaker A. Kathy Pan, sticks and pummelling: techniques used to induce abortion by Burmese women on the Thai border. Soc Sci Med. 2007;65:1512–23. DOIPubMedGoogle Scholar
- Ekwempu CC, Lawande RV, Egler LJ. Microbial flora of the lower genital tract of women in labour in Zaria, Nigeria. J Clin Pathol. 1981;34:82–3. DOIPubMedGoogle Scholar