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Prevalence of methicillin resistant staphylococcus aureus isolated from saliva samples of patients with oral squamous cell carcinoma / revalencia de Staphylococcus aureus resistente a la meticilina en muestras de saliva de pacientes con carcinoma oral de células escamosas
Routray, Samapika; Rath, Shakti; Mohanty, Neeta.
  • Routray, Samapika; All India Institute of Medical Sciences. Dept of Dentistry. Bhubaneswar. IN
  • Rath, Shakti; Siksha 'O' Anusandhan (Deemed to be University). Institute of Dental Sciences. Central Research Laboratory. Bhubaneswar. IN
  • Mohanty, Neeta; Siksha 'O' Anusandhan (Deemed to be University). Institute of Dental Sciences. Dept of Oral Maxillofacial Pathology and Microbiology. Bhubaneswar. IN
J. oral res. (Impresa) ; 8(1): 30-36, feb. 28, 2019. ilus, tab
Article in English | LILACS | ID: biblio-1145264
ABSTRACT

Objectives:

To study the prevalence of methicillin resistant Staphylococcus aureus (MRSA) in saliva samples of pre-surgical oral squamous cell carcinoma (OSCC) patients along with their resistance pattern to other antibiotics.

Methods:

Saliva samples of OSCC patients were collected and processed for isolation of MRSA. Staphylococcus aureus isolates were primarily identified using standard microbiological methods like biochemical assays, specialized media and latex agglutination test. Confirmation of MRSA strains was done by growing the isolates on MRSA agar and by using PCR to amplify two MRSA specific genes. All the isolated Staphylococcus aureus strains were subjected to antibiotic sensitivity tests.

Results:

A total of 17 Staphylococcus aureus strains were isolated from 50 saliva samples of pre-surgical OSCC patients of which 13 were confirmed to be MRSA. These MRSA strains were also found to be mostly resistant to other commonly used antibiotics. Univariate analysis revealed that most patients with MRSA infections had a prior history of hospitalization and surgery. Also, it was confirmed that patients with other comorbidities and infections were more prone to having MRSA present in the saliva.

Conclusion:

The majority of Staphylococcus aureus isolates from the saliva of OSCC patients were MRSA, and were resistant to several other commonly used antibiotics.
RESUMEN

Objetivos:

Estudiar la prevalencia de Staphylococcus aureus resistente a la meticilina (MRSA) en muestras de saliva prequirúrgicas de pacientes con carcinoma oral de células escamosas (COCE) junto con su patrón de resistencia a otros antibióticos.

Métodos:

Se recolectaron muestras de saliva de pacientes con COCE y se procesaron para el aislamiento de SARM. Los aislamientos de Staphylococcus aureus se identificaron principalmente mediante métodos microbiológicos estándar, como los análisis bioquímicos, los medios especializados y la prueba de aglutinación con látex. La confirmación de las cepas de SARM se realizó cultivando los aislados en agar SARM y utilizando PCR para amplificar dos genes específicos de SARM. Todas las cepas aisladas de Staphylococcus aureus se sometieron a pruebas de sensibilidad a los antibióticos.

Resultados:

Se aislaron un total de 17 cepas de Staphylococcus aureus a partir de 50 muestras de saliva de pacientes prequirúrgicos con COCE, de los cuales solo se confirmó que 13 eran SARM. También se encontró que estas cepas de SARM son resistentes a otros antibióticos de uso común. El análisis univariado reveló que la mayoría de los pacientes con infecciones por SARM tenían antecedentes previos de hospitalización y cirugía. Además, se confirmó que los pacientes con otras comorbilidades e infecciones eran más propensos a las infecciones por SARM.

Conclusión:

la mayoría de los aislamientos de Staphylococcus aureusde la saliva de los pacientes con OSCC fueron MRSA y fueron resistentes a varios otros antibióticos de uso común.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Staphylococcus / Drug Resistance, Microbial / Methicillin-Resistant Staphylococcus aureus / Squamous Cell Carcinoma of Head and Neck / Mouth Type of study: Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: India Institution/Affiliation country: All India Institute of Medical Sciences/IN / Siksha 'O' Anusandhan (Deemed to be University)/IN

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Full text: Available Index: LILACS (Americas) Main subject: Staphylococcus / Drug Resistance, Microbial / Methicillin-Resistant Staphylococcus aureus / Squamous Cell Carcinoma of Head and Neck / Mouth Type of study: Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: India Institution/Affiliation country: All India Institute of Medical Sciences/IN / Siksha 'O' Anusandhan (Deemed to be University)/IN