Perfil de susceptibilidad antimicrobiana de escherichia coli aislados en animales de compañía con piómetra atendidos en una clínica veterinaria.

Abstract

Pyometra is a serious and potentially fatal uterine infection that affects unsterilized female dogs and felines. Escherichia coli is one of the main pathogens involved in this condition, which is alarming since there is currently the presence of bacterial resistance, which is one of the main problems worldwide due to the emergence of mega-resistant bacteria that are spreading rapidly, such as E. coli and ESBLs. This research highlights the growing threat of multiple antibiotic resistance in E. coli isolated from pyometra, where 80 samples were collected from 40 patients who underwent OVH surgery and after the uterus with pus was removed, the sample was taken. In each pyometra, 2 samples were taken and cultured on two types of agar, Chromogenic ESBL and McConkey, in order to determine the presence of E. coli and ESBL strains that have reached a massive spread and resistance to antibiotics commonly used in veterinary clinics. Of the 80 samples obtained, 32.5% (26) tested positive for the presence of E. coli and the highest bacterial resistance was found in Doxycycline at 61.5%, Sulfamethoxazole-trimethoprim and Nitrofurantoin at 34.6% and 57.7% resistance to ESBL. A bacterium is considered mega-resistant when it is resistant to 3 or more families of antibiotics and in this research 14 mega-resistant isolates were found