TY - JOUR AU - Julianna G. B. Olivella, AU - Bianca de O. Fonseca, AU - Adenilson de S. da Fonseca, AU - Eduardo A. R. de Castro, AU - Alexandre R. Bello, AU - Jos茅 Augusto A. Pereira, PY - 2023/07/17 Y2 - 2024/10/12 TI - Prevalence of carbapenem-resistant Enterobacteriaceae in in- and out-of-hospital environments JF - 香港六合彩开奖结果 JA - BJHBS VL - 22 IS - 1 SE - Original Articles DO - 10.12957/bjhbs.2023.76939 UR - /bjhbs/article/view/55 SP - 15-22 AB - <p><span class="TextRun SCXW57893490 BCX0" lang="EN-US" xml:lang="EN-US" data-contrast="auto"><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">Introduction: Healthcare is recognized as a condition of high selective pressure (SP) due to the use of antimicrobials. The emergence of community bacterial species resistant to the antimicrobials </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">most </span><span class="NormalTextRun CommentStart SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">ex</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">tensively</span> <span class="NormalTextRun CommentStart SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">used</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> in hospitals is of concern, as is the case with Gram-negative rods producing extended-spectrum beta-lactamases (ESBL). Hospital colonization by carbapenem-resistant Enterobacteria (CRE) can persist for many months after hospital discharge, and their encoding genes can be transferred among </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">different species</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">. </span><span class="NormalTextRun SpellingErrorV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">Methododology</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">: Because of the scarcity of options due to resistance to carbapenems, we </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">sought</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> to evaluate the occurrence of CRE in stool samples from outpatients and inpatients of a University Hospital, for whom clinical and epidemiological data were obtained from the analysis of medical records. After parasitological examination, stool samples from outpatients and inpatients were diluted in saline (1:20, 1:1000 and 1:2000) solution and 0.1 mL seeding was performed on MacConkey Agar (MA) </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">containing</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> gentamicin 8 </span><span class="NormalTextRun SpellingErrorV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">渭g</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">/mL and MA </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">containing</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> cephalexin 32 </span><span class="NormalTextRun SpellingErrorV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">渭g</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">/</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">mL.</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> Once isolated, strains were </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">identified</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> by biochemical tests and AST (with imipenem, ertapenem, and meropenem) was performed according to CLSI (2020). Results: We isolated carbapenem-resistant strains of enterobacteria in 13 (43.3%) of the 30 inpatients and in 13 (29%) of the 31 outpatients (p&gt;0.05). In 7 (23.3%) of the 30 inpatients and in 5 (16.1%) of the 31 outpatients, we isolated CRE at 1:1000 or 1:5000 dilutions of stool samples, which correspond to 鈥渕icrobial loads鈥. Ten bacterial species were isolated in the CRE related to the 13 inpatients and 13 outpatients, among whom we </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">identified</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> two or more species in 9 (69.2%) and 10 (76.9%), respectively. Even </span><span class="NormalTextRun AdvancedProofingIssueV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">taking into account</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> the limitations of the study due to the possibility of </span><span class="NormalTextRun CommentStart SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">bias</span> <span class="NormalTextRun CommentStart SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">arising</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> from the absence of data in the medical records, the detection </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">of </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">intestinal colonization with CRE in non-hospitalized individuals is of concern and may jeopardize the implementation of rational empirical therapy in patients of that community. Conclusion: I</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">t is possible that, as was the case of ESBL-producing strains decades ago, infections by carbapenem-resistant strains have </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">become endemic in the community.</span></span> <span class="TextRun SCXW57893490 BCX0" lang="EN-US" xml:lang="EN-US" data-contrast="auto"><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">In general, this development is a cause of concern, for plasmid-associated antimicrobial resistance strains, </span><span class="NormalTextRun AdvancedProofingIssueV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">due to </span><span class="NormalTextRun AdvancedProofingIssueV2Themed SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">the fact that</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> an often-recognized </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">plasmid-associated </span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">fitness</span><span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted"> of bacterial cell</span> <span class="NormalTextRun CommentStart SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">favors</span> <span class="NormalTextRun SCXW57893490 BCX0" data-ccp-parastyle="HTML Preformatted">persistence of the strains, even in the absence of antimicrobial (co-)selective pressures.</span></span><span class="EOP SCXW57893490 BCX0" data-ccp-props="{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}">&nbsp;</span></p> ER -