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Rev Clin Periodoncia Implantol Rehabil Oral. 2008;1:61-65
TRABAJOS DE INVESTIGACIÓN [PDF]

Perfiles Antimicrobianos de Bacterias Subgingivales en Pacientes con Periodontitis en Colombia

Antimicrobial Profiles of Subgingival Bacteria from Periodontititis Patients in Colombia

Jaramillo Echeverri A1,2, Betancourth Quiroz M3,2, Mayorga-Fayad I4,5, Castillo Perdomo DM4,5,
Aya Castañeda MR4,5, Lafaurie Villamil GI4,5, Botero Torres JE1,2, Contreras Rengifo A1,2

1Escuela de Odontología, Universidad del Valle, Cali, Colombia.
2
Grupo Medicina Periodontal.
3Escuela de Bacteriología, Universidad del Valle, Cali, Colombia. 4Facultad de Odontología, Universidad El Bosque, Bogotá, Colombia. 5Grupo UIBO, Unidad de Investigación Básica Oral.

Resumen

Introducción

La sensibilidad in vitro a los antimicrobianos de las bacterias asociadas a periodontitis es diferente entre distintas poblaciones. En América Latina, pocos estudios han descrito la sensibilidad a los antimicrobianos de los periodontopatógenos. Este estudio determinó la sensibilidad de bacterias periodontopáticas aisladas de pacientes colombianos sanos y con periodontitis, frente a 6 antimicrobianos usados comúnmente como terapia adjunta para el tratamiento de la enfermedad periodontal.

Materiales y métodos

Se estudiaron aislados de Aggregatibacter actinomycetemcomitans (n=23), Porphyromonas gingivalis (n=74), Prevotella intermedia/ nigrescens (n=38), Tannerella forsythia (n=8), Enterobacteriaceas (n=89) y bacilos Gram negativos no fermentadores (n=26) cultivados a partir de muestras subgingivales de 127 pacientes colombianos con periodontitis crónica, 68 con periodontitis agresiva y 11 sanos o con gingivitis. Se realizó la prueba de E- test® para establecer la concentración inhibitoria mínima a tetraciclina, ciprofloxacina, amoxicilina, metronidazol, azitromicina y clindamicina.

Resultados

Se encontró sensibilidad de los periodontopatógenos a la mayoría de los antimicrobianos. Aunque A. actinomycetemcomitans mostró resistencia al metronidazol, amoxicilina y clindamicina y P. intermedia/nigrescens fue resistente a varios de los antimicrobianos probados. Las demás bacterias anaerobias fueron sensibles a la mayoría de ellos. No se observaron diferencias entre los perfiles de sensibilidad de las bacterias en pacientes con enfermedad periodontal y en pacientes sanos. Los bacilos Gram negativos entéricos fueron resistentes a la amoxicilina y sensibles a la ciprofloxacina.

Conclusión

La terapia antimicrobiana adjunta al tratamiento periodontal de pacientes colombianos con periodontitis debe ser administrada cuidadosamente, pues existe una gran variabilidad en la resistencia a los antimicrobianos de las bacterias periodontopatógenas.

Palabras claves: Periodontitis crónica, periodontitis agresiva, sensibilidad antibiótica, E-test, bacterias periodontopáticas.

Abstract

Background

In vitro antimicrobial susceptibility of microorganisms associated to periodontitis has showed different results among world populations. In Latin America, few studies have described antimicrobial susceptibility of periodontopathogens. This study determined antimicrobial susceptibility of some bacteria isolated from healthy and periodontitis Colombian patients for six commonly used antimicrobials as adjunctive therapy for periodontal disease treatment.

Methods

Isolates of Aggregatibacter actinomycetemcomitans (n=23), Porphyromonas gingivalis (n=74), Prevotella intermedia/nigrescens (n=38), Tannerella forsythia (n=8), Enterobacteriaceae (n=89) and non fermenters Gram negative rods (n=26) from subgingival samples of 127 patients with chronic periodontitis, 68 with aggressive periodontitis and 11 healthy/gingivitis patients were tested by means of the E-test®. The minimal inhibitory concentration (MIC) of tetracycline, ciprofloxacin, amoxicillin, metronidazole, azythromicin and clindamycin was tested for each isolate.

Results

High antimicrobial susceptibility of periodontopathogens was found to most of tested antimicrobials. However, A. actinomycetemcomitans showed resistance to metronidazole, amoxicillin and clindamycin and P. intermedia/nigrescens showed resistance to most of tested antimicrobials. No differences of susceptibilities to antimicrobials were observed between periodontal diagnoses. Gram negative rods were resistant to amoxicillin and susceptible to ciprofloxacin.

Conclusions

Antimicrobial supportive therapy for the treatment of Colombian patients affected with periodontitis should be carefully administered considering that there is a great variability of susceptibility to antimicrobial agents among periodontopathic species

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Trabajo recibido el 18/03/2008.
Aprobado para su publicación el 09/07/2008.

CORRESPONDENCIA AUTOR
Adriana Jaramillo Echeverri.
inv-odon@univalle.edu.co

Copyright © 2008.
Sociedad de Periodoncia de Chile, Sociedad de Implantología Oral de Chile y Sociedad de Prótesis y Rehabilitación Oral de Chile.