Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Molecular characterization of Staphylococcus aureus isolated from children with adenoid hypertrophy: Emergence of new spa types t7685 and t7692

Sat Jun 25 08:59:54 2022

(2011) Molecular characterization of Staphylococcus aureus isolated from children with adenoid hypertrophy: Emergence of new spa types t7685 and t7692. International Journal of Pediatric Otorhinolaryngology. pp. 1446-1449. ISSN 0165-5876

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Abstract

Objective: Adenoids have been associated with the pathogenesis of acute, recurrent and chronic infectious diseases of the upper respiratory system and their hypertrophy is one of the most common causes of upper airway obstruction affecting children. In this study, the characteristics of Staphylococcus aureus isolates from patients who had undergone adenoidectomy were investigated via spa typing method. Methods: A total of 113 children with adenoid hypertrophy who underwent adenoidectomy during September 2009 to November 2010, were included in the study. The isolates were identified to the species level as S. aureus using standard biochemical methods, following which the amplification and sequencing of the spa gene X region were carried out. Results: S. aureus was found in the adenoid tissue of 26 (23) patients. Out of the 26 S. aureus isolates, 5 (19), 3 (11.5) and 3 (11.5) were resistant to tetracycline, erythromycin and oxacillin respectively. All the isolates were susceptible to vancomycin, rifampin, ciprofloxacin, gentamicin, mupirocin and quinupristin-dalfopristin and were typed using spa typing method. All the isolates were found to include 21 spa types, including two previously unreported types (t7685 and t7692). The most prevalent spa types were t7685 (11.5), t230 (8), t325 (8) and t1149 (8). Conclusion: This study demonstrates that the prevalence rate of S. aureus in the adenoid tissue of the children assessed was 23. An interesting point to note was the dominance of the spa type t7685 that has not been previously reported by other studies. (C) 2011 Elsevier Ireland Ltd. All rights reserved.

Item Type: Article
Creators:
CreatorsEmail
Emaneini, M.UNSPECIFIED
Khoramrooz, S. S.UNSPECIFIED
Taherikalani, M.UNSPECIFIED
Jabalameli, F.UNSPECIFIED
Aligholi, M.UNSPECIFIED
Keywords: Staphylococcus aureus Adenoid hypertrophy spa type methicillin-resistant otitis-media university strains tehran epidemiology Otorhinolaryngology Pediatrics
Divisions:
Page Range: pp. 1446-1449
Journal or Publication Title: International Journal of Pediatric Otorhinolaryngology
Journal Index: ISI
Volume: 75
Number: 11
Identification Number: https://doi.org/10.1016/j.ijporl.2011.08.013
ISSN: 0165-5876
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/817

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