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- Title
Distribution of oral mucosal bacteria with mecA in patients undergoing hematopoietic cell transplantation.
- Authors
Ebinuma, Takayuki; Soga, Yoshihiko; Sato, Takamaro; Matsunaga, Kazuyuki; Kudo, Chieko; Maeda, Hiroshi; Maeda, Yoshinobu; Tanimoto, Mitsune; Takashiba, Shogo
- Abstract
Purpose: We recently reported frequent detection of antibiotic-resistant bacteria on the oral mucosa during the period of hematopoietic cell transplantation (HCT) and suggested an association between oral mucositis and antibiotic-resistant bacterial infection. Methicillin-resistant Staphylococcus spp. were frequently detected, and the oral cavity may be a reservoir of the gene mediating methicillin resistance, mecA. Here, we examined the frequency of mecA carriers in patients undergoing HCT. Methods: Fifty-nine patients (male (M) = 37, female (F) = 22, 47.3 ± 11.0 years) receiving HCT were enrolled in this study. Buccal swab samples were obtained four times from day −7 to day +20 (once/week), and mecA was detected by PCR. Fifty-two subjects without systemic disease, who completed dental treatment, especially periodontal treatment (M = 21, F = 31, 55.4 ± 14.2 years), were also enrolled as controls and checked for mecA on the oral mucosa. Results: Seventy-six percent (45/59) of the HCT patients carried mecA at least once in the study period (days −7 to +20), while no control subjects had mecA. The frequency of mecA carriers was 19.2 % from days −7 to −1, while it was significantly increased on days +7 to +13 and +14 to +20, with frequencies of 60.9 and 63.2 %, respectively ( P < 0.01, ANOVA). Conclusions: mecA was detected in oral mucosa of patients undergoing HCT. The high detection frequency of staphylococci resistant to penicillin and beta-lactams in our recent report was supported.
- Subjects
MUCOUS membranes; BACTERIAL diseases; HEMATOPOIETIC agents; TRANSPLANTATION of organs, tissues, etc.; CELLS
- Publication
Supportive Care in Cancer, 2014, Vol 22, Issue 6, p1679
- ISSN
0941-4355
- Publication type
Article
- DOI
10.1007/s00520-014-2151-1