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Gac Med Mex ; 159(2): 96-102, 2023.
Article in English | MEDLINE | ID: mdl-37094234

ABSTRACT

BACKGROUND: Health care-associated infections (HAIs) are a common cause of morbidity and mortality. There is little information on the risk factors associated with HAI in surgical newborns. OBJECTIVE: To identify the risk factors associated with healthcare-associated infections in surgical newborns. METHODS: Nested case-control study carried out during 2016-2017. Cases were newborns with healthcare-associated infections and controls were newborns without infection. Perinatal characteristics, use of antimicrobial prophylaxis, use of central venous catheter (CVC), mechanical ventilation, parenteral nutrition, age, and weight at the time of surgery, type of surgery, surgical wound classification, duration of surgery, number of surgical procedures, postsurgical HAIs and type of infection were registered. Univariate and multivariate analyses were performed. RESULTS: Seventy-one cases and 142 controls were included. The most frequent HAI was bloodstream infection (36.6%); the main microorganisms isolated in blood cultures were gram-positive cocci. Independent risk factors associated with HAIs in the multivariate analysis were CVC duration > 8 days (aOR = 17.2, 95% CI = 3.8-49.1), ≥ 2 surgeries (aOR = 16.5, 95% CI 5.8 -42.1) and abdominal surgery (aOR = 2.6, 95% CI = 1.2-6.6). CONCLUSION: Newborns undergoing surgery, mainly those with risk factors, require close monitoring during the postoperative period. CVC should be withdrawn as soon as possible.


ANTECEDENTES: Las infecciones asociadas a la atención de la salud (IAAS) son causa frecuente de morbilidad y mortalidad. OBJETIVO: Identificar los factores de riesgo para el desarrollo de IAAS en recién nacidos (RN) sometidos a cirugía. MATERIAL Y MÉTODOS: Estudio de casos y controles anidado en una cohorte. Los casos fueron RN sometidos a cirugía, con IAAS y los controles, RN sometidos a cirugía sin IAAS. Se registraron datos perinatales, uso de profilaxis antimicrobiana, de catéter venoso central (CVC), ventilación mecánica, nutrición parenteral y sondas; edad y peso al momento de la cirugía, tipo de cirugía, clasificación de la herida quirúrgica, duración de la cirugía, número de procedimientos quirúrgicos y tipo de infección. Se realizó análisis univariado y multivariado. RESULTADOS: Se incluyeron 71 casos y 142 controles. Las IAAS más frecuentes fueron las infecciones sanguíneas (36.6 %); los principales microorganismos aislados en hemocultivos fueron cocos grampositivos. Los factores de riesgo asociados a IAAS en el análisis multivariado fueron duración del CVC > 8 días (RMa = 17.2), ≥ 2 intervenciones quirúrgicas (RMa = 16.5) y cirugía abdominal (RMa = 2.6). CONCLUSIONES: Los RN sometidos a cirugía, principalmente aquellos con factores de riesgo, requieren vigilancia estrecha durante el posoperatorio. El CVC debe ser retirado tan pronto sea posible.


Subject(s)
Cross Infection , Intensive Care Units, Neonatal , Humans , Infant, Newborn , Case-Control Studies , Cross Infection/etiology , Risk Factors , Delivery of Health Care
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