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[EN] [Abstract] Surgical antibiotic prophylaxis is one of the most useful measures to prevent surgical wound infection. [Objective] The aim of this project is to evaluate the appropriateness of the use of antibiotic prophylaxis in surgical procedures performed in Spanish hospitals, both globally and according to the type of surgery performed. [Method] For this purpose, an observational, retrospective, cross-sectional and multicenter study has been designed to collect all the variables that allow the evaluation of the appropriateness of surgical antibiotic prophylaxis by comparing the prescribed treatment, the recommendations included in the local guidelines and the consensus document of the Spanish Society of Infectious Diseases and Clinical Microbiology and the Spanish Association of Surgeons. Indication, choice of antimicrobial, dose, route and duration of administration, timing, re-dosing and duration of the prophylaxis will be taken into account. The sample will consist of patients who underwent scheduled or emergency surgery, either as inpatients or outpatients, in hospitals in Spain. A sample size of 2,335 patients has been established to estimate, with 95% confidence and 80% power, a percentage of appropriateness that is expected to be around 70%. Differences between variables will be analyzed using Student's t-test, Mann-Whitney U test, Chi-square test, or Fisher's test, as appropriate. The degree of agreement between the antibiotic prophylaxis recommended by the guidelines of the different hospitals and that recommended in the literature will be analyzed by calculating the Cohen's kappa indicator. Binary logistic regression analysis using generalized linear mixed models will be performed to identify possible factors associated with differences in the appropriateness of antibiotic prophylaxis. [Discussion] The results of this clinical study will allow us to focus on specific surgical areas with higher rates of inappropriateness, identify key points of action, [ES] [Resumen] La profilaxis antibiótica quirúrgica es una de las medidas más útiles para la prevención de la infección de la herida quirúrgica. [Objetivo] el objetivo de este proyecto es evaluar la adecuación del uso de profilaxis antibiótica en procedimientos quirúrgicos realizados en centros hospitalarios españoles, tanto de forma global como en función del tipo de cirugía realizada. [Metodología] para ello, se ha diseñado un estudio observacional, retrospectivo, transversal y multicéntrico, donde se recopilarán todas aquellas variables que permitan evaluar la adecuación de la profilaxis antibiótica quirúrgica mediante la comparación del tratamiento prescrito, las recomendaciones recogidas en las guías locales y el documento de consenso de la Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica y la Asociación Española de Cirujanos. Se tendrán en cuenta la indicación, elección del antimicrobiano, dosis, vía de administración y tiempo de infusión, momento de la administración de la primera dosis, redosificación y la duración de la profilaxis. La muestra estará constituida por pacientes que hayan sido intervenidos de forma programada o urgente, en régimen de hospitalización o ambulatorio, en centros hospitalarios de España. Se ha establecido un tamaño muestral de 2.335 pacientes para estimar con una confianza del 95% y una potencia del 80%, un porcentaje de adecuación que se espera esté en torno al 70%. Las diferencias entre las variables se analizarán mediante la prueba t-Student, U de Mann-Whitney, el test Chi2 o test de Fisher, según proceda. El grado de concordancia entre la profilaxis antibiótica recomendada por las guías de los distintos hospitales y la recomendada en la literatura se analizará mediante el cálculo del indicador Kappa de Cohen. Con el fin de identificar posibles factores que puedan asociarse con diferencias en la adecuación de uso de profilaxis antibiótica, se llevará a cabo un análisis de regresión logística binario y mediant

Beatriz Mejuto1, Victoria Tuñez2, María Luisa Pérez del Molino3, Rosario García41Pharmacology Department, Faculty of Pharmacy, University of Santiago de Compostela, Santiago de Compostela, Spain; 2Tuberculosis Unit, Preventive Medicine Department, Complexo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain; 3Microbiology Department, Complexo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain; 4Pharmacy Department, Complexo Hospitalario Universitario de Santiago, Santiago de Compostela, SpainObjective: To realize a retrospective study of the characterization, results, and effectiveness of directly observed therapy, short course (DOTS) in the regional health area of Santiago de Compostela (population 453 068) between 1996 and 2006.Design: Tuberculosis (TB) patient cases involved in DOTS treatment were reviewed. The studied variables included: age, sex, type of TB, TB location, microbiological studies, chest radiology, pattern and treatment duration, final status of case, and TB recurrence.Results: There were 2456 diagnosed TB cases in the time period studied and 259 received DOTS. The reasons for inclusion in this treatment strategy were social dystocia in 33.2% of cases, retreatment in 30.8% of cases, alcoholism in 29.3% of cases, drug use in 17.4% of cases, HIV coinfection in 11.6% of cases, multidrug-resistant strains of TB (MDR-TB) in 3.1%, and being an immigrant in 1.9% of cases. Primary TB represented 3.5% of the instances and pulmonary TB represented 87.6%. Bacteriological confirmation was performed in 76.8% of this population. Cavitated forms in chest radiology were shown in 46.7% of patients. Standard treatment guidelines were used in 71.4% of patients. Treatment adherence was achieved in 96.1% of the cases and 86.9% cases had a successful final status. Recurrence of TB was 1.5%.Conclusion: Although it is not possible to determine the exact influence of the DOTS strategy, its in