Bacterias u hongos que ocasionan otitis externa en Canis familiaris, Trujillo, La Libertad, Perú, 2022
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Date
2024
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Universidad Nacional de Trujillo
Abstract
El objetivo de la investigación fue aislar e identificar las bacterias y estructuras fúngicas que se encontraron en Canis familiaris que padecieron de otitis externa. Se examinaron 93 muestras pertenecientes a caninos de Trujillo, atendidos en la veterinaria VETHELP. Todas las muestras fueron procesadas mediante tinción de Gram del oído externo antes del aislamiento, siembra en placa para su aislamiento, pruebas bioquímicas y otras de identificación, el grupo de agentes microbiológicos más frecuente aislados fueron Staphylococcus spp. y hongos levaduriformes (blastosporas), en menor proporción de mayor a menor frecuencia: Pseudomonas spp., Proteus spp., Citrobacter spp. y Escherichia spp. Según su presentación, la mayoría fueron polimicrobianas en el 60.2% de los casos y bilaterales en un 90.3%, el tipo de otitis más visualizado fue el ceruminoso en el 38.71% y en menor cantidad otras clases de presentación (eritematosa, supurativa, eccematosa, estenosante e hiperplásica), se determinó que la otitis ceruminosa no tiene asociación con el grupo de microorganismos más frecuente aislados, lo cual resaltó la importancia de la realización de aislamientos e identificación microbiológica.
The objective of the research was to isolate and identify the bacteria and fungal structures that were found in Canis familiaris that suffered from otitis externa. 93 samples belonging to canines from Trujillo, treated at the VETHELP veterinary clinic, were examined. All samples were processed by Gram staining of the external ear before isolation, plating for isolation, and biochemical and other identification tests. The most frequent group of microbiological agents isolated were Staphylococcus spp. and yeast-like fungi (blastospores), in lesser proportion from higher to lower frequency: Pseudomonas spp., Proteus spp., Citrobacter spp. and Escherichia spp. According to their presentation, the majority were polymicrobial in 60.2% of cases and bilateral in 90.3%, the type of otitis most seen was ceruminous in 38.71% and other types of presentation (erythematous, suppurative, eczematous, stenosing and hyperplastic), it was determined that ceruminous otitis has no association with the most frequently isolated group of microorganisms, which highlighted the importance of performing isolations and microbiological identification.
The objective of the research was to isolate and identify the bacteria and fungal structures that were found in Canis familiaris that suffered from otitis externa. 93 samples belonging to canines from Trujillo, treated at the VETHELP veterinary clinic, were examined. All samples were processed by Gram staining of the external ear before isolation, plating for isolation, and biochemical and other identification tests. The most frequent group of microbiological agents isolated were Staphylococcus spp. and yeast-like fungi (blastospores), in lesser proportion from higher to lower frequency: Pseudomonas spp., Proteus spp., Citrobacter spp. and Escherichia spp. According to their presentation, the majority were polymicrobial in 60.2% of cases and bilateral in 90.3%, the type of otitis most seen was ceruminous in 38.71% and other types of presentation (erythematous, suppurative, eczematous, stenosing and hyperplastic), it was determined that ceruminous otitis has no association with the most frequently isolated group of microorganisms, which highlighted the importance of performing isolations and microbiological identification.
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Keywords
Bacterias
Otitis externa