Risk factors for surgical site infection in colon surgery in our population

  • Olguín Joseau S
  • Bollati N
  • Reimondez S
  • et al.
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Abstract

Background: Surgical site infection (SSI) is the most common nosocomial infection in surgical patients with an incidence that varies between 5-30%. Objective: Identify the risk factors for SSI in colonic surgery in our population. The secondary aims are to determine the incidence and type of SSI, as well as the incidence of an anastomotic leakage (AL). Methods: Case-control study of patients undergoing colectomy between 2010-2014 at the Hospital Privado Univeristario de Córdoba and Hospital Raúl Ferreyra. Conventional and laparoscopic interventions, with a 30-day postoperative follow up, between 20-85 years and an ASA I-III were included. Patients undergoing emergency surgery and recto-anal resections were excluded. SSI was defined as an infection that occurred within 30 days after surgery. Results: We included 238 patients. SSI was diagnosed in 27.7% (n=66) of the patients of which 12.2% were superficial, 4.6% deep incisional and 10.9% organ/space. Multivariate analysis showed that SSI was independently associated with male sex (odds ratio [OR] 3.15; IC95%:1.43-6.92; p=0.004), having undergone previous chemotherapy (OR 6.72; IC95%:1.48-30.93; p=0.01), need for conversion (OR 3.32; IC95%:1.13-9.77; p=0.02), reintervention within the 30 postoperative days (OR 12.34; IC95%:2.65-57.37, p=0.001) and AL (OR 12.83; IC95%:2.97- 55.5; p=0.001). AL had an incidence of 9.6%, of which 91% presented SSI and all were organ/space. Conclusion: We found that male sex, having undergone previous chemotherapy, conversion, reintervention within 30 postoperative days and AL are risk factors for SSI in our population. These results should be considered in implementing preventive measures for SSI.Introducción: La infección de sitio quirúrgico (ISQ) es la infección intrahospitalaria más frecuente en los pacientes quirúrgicos con una incidencia entre 5-30%. Objetivos: Identificar los factores de riesgo para ISQ en cirugía colónica en nuestra población. Los objetivos secundarios son determinar la incidencia y tipo de ISQ, así como la incidencia de dehiscencia de anastomosis (DA). Materiales y métodos: Estudio de casos-controles de pacientes intervenidos de colectomía entre 2010-2014 en el Hospital Privado Universitario de Córdoba y Hospital Raúl Ferreyra. Se incluyeron las intervenciones convencionales y laparoscópicas, con seguimiento de 30 días, pacientes entre 20 y 85 años y con ASA I-III. Se excluyeron las cirugías de urgencia y las resecciones recto-anales. Se definió ISQ a aquella que ocurre dentro de 30 días. Resultados: Se incluyeron 238 pacientes. Se diagnosticó ISQ en 27,7% (n=66) de los pacientes de los cuales 12,2% fue superficial, 4,6% profunda y 10,9% de órgano/espacio. El análisis multivariado demostró que la ISQ se asocia con sexo masculino (odds ratio [OR] 3,15; IC95%:1,43-6,92; p=0,004), quimioterapia neoadyuvante (OR 6,72; IC95%:1,48-30,93; p=0,01), conversión (OR 3,32; IC95%:1,13-9,77; p=0,02), reintervención dentro de 30 días postquirúrgicos (OR 12,34; IC95%:2,65-57,37, p=0,001) y DA (OR 12,83; IC95%:2,97- 55,5; p=0,001). La DA presenta una incidencia del 9,6%, de los cuales el 91% presentó ISQ y todas fueron de órgano/espacio. Conclusión: Sexo masculino, quimioterapia neoadyuvante, conversión, reintervención dentro de 30 días postquirúrgicos y DA son factores de riesgo para ISQ en nuestra población. Estos resultados deben ser considerados para implementar medidas preventivas para ISQ.

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Olguín Joseau, S., Bollati, N. P., Reimondez, S., Signorini, F., Rossini, A. M., Maldonado, P. S., … Caeiro, J. P. (2018). Risk factors for surgical site infection in colon surgery in our population. Revista de La Facultad de Ciencias Médicas de Córdoba, 75(4), 229–233. https://doi.org/10.31053/1853.0605.v75.n4.19647

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