Risk factors for colonization by carbapenemase-producing enterobacteria at admission to a Surgical ICU: A retrospective study / Factores de riesgo para la colonización por enterobacterias productoras de carbapenemasas en el momento de admisión en una UCI quirúrgica: estudio retrospectivo
Maseda, Emilio; Salgado, Patricia; Anillo, Víctor; Ruiz-Carrascoso, Guillermo; Gómez-Gil, Rosa; Martín-Funke, Carmen; Gimenez, Maria-Jose; Granizo, Juan-José; Aguilar, Lorenzo; Gilsanz, Fernando.
Enferm. infecc. microbiol. clín. (Ed. impr.)
; 35(6): 333-337, jun.-jul. 2017. tab
Artigo
em Inglês
| IBECS (Espanha) | ID: ibc-163471
Introduction:
In 2011, a hospital-wide outbreak of OXA-48 producing Klebsiella pneumoniae occurred in our hospital, an epidemiological setting of high ESBL-producing K. pneumoniae rates. This study identifies risk factors for colonization with carbapenemase-producing enterobacteria (CPE) at Surgical Intensive Care Unit (SICU) admission.Methods:
A 2-year retrospective study was performed in all patients admitted to the SICU that following routine had a rectal swab collected upon admission.Results:
Of 254 patients admitted, 41 (16.1%) harbored CPE (five showing two carbapenemase-producing isolates). Most frequent carbapenemase-producing isolates and carbapenemases were K. pneumoniae (39/46, 84.8%) and OXA-48 (31/46; 76.1%), respectively. Carriers significantly had higher rates of chronic renal disease, previous digestive/biliary endoscopy, hospitalization, ICU/SICU admission, intraabdominal surgery, and antibiotic intake, as well as higher median values of clinical scores (SOFA, SAPS II and APACHE II). In the multivariate analysis (R2 = 0.309, p < 0.001), CPE carriage was associated with prior administration of 3rd-4th generation cephalosporins (OR = 27.96, 95%CI = 6.88, 113.58, p < 0.001), β -lactam/ β -lactamase inhibitor (OR = 11.71, 95%CI = 4.51, 30.43, p < 0.001), abdominal surgery (OR = 6.33, 95%CI = 2.12, 18.89, p = 0.001), and prior digestive/biliary endoscopy (OR = 3.88, 95%CI = 1.56, 9.67, p = 0.004).Conclusions:
A strong association between production of ESBLs and carriage of CPE (mainly OXA-48 producing K. pneumoniae) was found. According to the model, the co-selection of β-lactamases by previous exposure to broad-spectrum cephalosporins and β-lactam/ β -lactamase inhibitors (with lower relative risk), abdominal surgery and prior digestive/biliary endoscopy were factors associated with CPE carriage (AU)
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