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Journal of Clinical Microbiology, April 2007, p. 1278-1283, Vol. 45, No. 4
0095-1137/07/$08.00+0     doi:10.1128/JCM.02110-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Survival of Fastidious and Nonfastidious Aerobic Bacteria in Three Bacterial Transport Swab Systems{triangledown}

Nabeel Rishmawi, Raed Ghneim, Randa Kattan, Riyad Ghneim, Madeleine Zoughbi, Afaf Abu-Diab, Sultan Turkuman, Rula Dauodi, Issa Shomali, Abed El-Razeq Issa, Issa Siriani, Hiyam Marzouka, Irmgard Schmid, and Musa Y. Hindiyeh*

Caritas Baby Hospital, Bethlehem, West Bank

Received 14 October 2006/ Returned for modification 21 November 2006/ Accepted 22 January 2007

In the present study, we followed the CLSI procedure M40-A to evaluate three specimen transport systems [the new BD CultureSwab MaxV(+), the new Remel BactiSwab, and the Medical Wire & Equipment Transwab] for the survival of fastidious and nonfastidious organisms for 0, 6, 24, and 48 h at room temperature. BD CultureSwab MaxV(+) outperformed the other two swabs for the recovery of the three fastidious organisms, Haemophilus influenzae, Neisseria gonorrhoeae, and Neisseria meningitidis for up to 48 h. Indeed, BD CultureSwab MaxV(+) maintained a constant number of viable H. influenzae and N. meningitidis for up to 48 h, and only a 2 log reduction was noted for N. gonorrhoeae, fulfilling the requirements of M40-A guidelines. However, unlike Remel BactiSwab and the Medical Wire & Equipment Transwab, which fulfilled the M40-A requirements for maintaining the viability of Streptococcus pneumoniae, BD CultureSwab MaxV(+) could not maintain the viability of S. pneumoniae reference or clinical strains past 6 h. Excellent overall sensitivity (98%) (95% confidence interval, 89.5 to 99.7) was observed when the BD CultureSwab MaxV(+) rectal swabs were compared to the "gold standard" stool cultures. Thus, the BD CultureSwab MaxV(+) rectal swab can be used when investigating gastrointestinal bacterial outbreaks or when health care providers face difficulties in obtaining stool samples, particularly from children.

* Corresponding author. Mailing address: Clinical Laboratory Division, Caritas Baby Hospital, Bethlehem, West Bank. Phone: 972 2 275 8500. Fax: 972 2 275 8501. E-mail: Hindiyeh{at}yahoo.com

{triangledown} Published ahead of print on 31 January 2007.

Journal of Clinical Microbiology, April 2007, p. 1278-1283, Vol. 45, No. 4
0095-1137/07/$08.00+0     doi:10.1128/JCM.02110-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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