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Salud UNINORTE ; 34(1): 97-108, ene.-abr. 2018. tab
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1004557

RESUMO

Resumen Objetivo: Evaluar la influencia de los determinantes sociodemográficos, clínicos y del servicio de salud sobre el riesgo de infección del sitio quirúrgico en pacientes apendicectomizados, en los hospitales del Atlántico, Colombia. Materiales y métodos: Estudio de casos y controles retrospectivo. Se revisaron los registros quirúrgicos de pacientes apendicectomizados entre 2009 y 2013. Muestra: 80 casos y 272 controles. Factores estudiados: sociodemográficos (edad, género, régimen de afiliación al sistema de salud); clínicos (antecedentes patológicos, hospitalizaciones previas, grado del apéndice); servicios (tiempos de espera, técnica quirúrgica, duración del procedimiento, profilaxis antibiótica, tiempo de estancia hospitalaria). Análisis: bivariable y multivariable. Se calcularon las razones de momios (OR), intervalos de confianza al 95 %, y pruebas de significancia estadística. Resultados: Luego del análisis multivariado, los factores de riesgo independientes fueron: edad mayor de 54 años (OR = 5,37); afiliación al régimen subsidiado del sistema general de seguridad social en salud (OR = 3,49) y el grado histopatológico del apéndice II, que incluye inflamación focal, ulceraciones del epitelio y microabscesos aislados en folículos linfáticos, (OR = 1,98). Conclusión: Este estudio aporta nueva evidencia de la multicausalidad de la infección nosocomial en pacientes sometidos a apendicectomía. Se destaca el rol de la desigualdad en salud como factor de riesgo importante, lo cual merece especial atención.


Abstract Objective: To evaluate sociodemographic, clinical and health-service-related determinants associated to surgical site infections in patients undergoing appendectomy in third level Hospitals, located in the Colombian Northern Region, from 2009 to 2013. Methods: Retrospective data was collected of hospital records from participating hospitals; 80 cases and 272 controls were compared regarding socio-demographic (age, gender, regime of affiliation to the social-security health system), clinical (comorbidity, prior hospitalization, degree of appendix), and healthcare-related variables (diagnostic time, preoperative time, operation duration, prophylaxis with antibiotics and hospital-stay length). Both bivariate and multivariate analysis were conducted. Odds Ratios, 95% confidence intervals were estimated; Besides, both X2-Test and T Student Tests were used to evaluate statistical significance. Results: Socio-demographic (age, affiliation to the subsidized-health-system), clinical (metabolic disease) and health-care related factors such as preoperative waiting time showed to be associated to surgical site infections, in the bivariate analysis. In the final regression model only age above 54 (OR= 5,37); subsidized affiliation to the social security system (3,49) and histopathological grade of appendix, which included focal inflammation, epithelial ulcers, and isolated micro-abscesses in lymphatic's follicles showed to be independent risk factors (OR= 1,98). Conclusion: This study adds new evidence on the multifactorial origin of post-surgery nosocomial infections and spotlights health inequality as a major risk factor that needs to be addressed.

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