Etiología y resistencias a los antibióticos en las infecciones de la localización quirúrgica tras cirugía abdominal

1. Asensio Vegas, Ángel
2. Cantón Moreno, Rafael
3. García-Caballero, J.
4. López Cano, Manuel
5. Domínguez Hernández, Vicente
6. Uriel, E.
7. Chamorro, J.
8. Vaqué Rafart, Josep
9. Stoduto, P.
10. Vaquero, J.L.

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Altres publicacions en: Revista española de investigaciones quirúrgicas

Resum

Surgical site infection (SSI) is a common complication after abdominal surgery. Microorganism resistance to antimicrobials has been increasing progressively during the last years. The objective is to describe the aetiology of SSI, the frequency of antimicrobial resistance and to characterize the factors associated to SSI caused by resistant microorganims (RM).METHODS. A series of yearly prevalence surveys of hospitalized patients during the period 1999-2005 in Spain. Selection of all SSI developed by patients operated on by abdominal procedures. Information recorded included demographic characteristic of patients, microbiological data, and potential risk factors. RESULTS. A total 3,590 microorganisms corresponding to a 3,564 SSI were identified. The most frequent microorganisms isolated were Escherichia coli (25.9%), Enterococcus faecalis (9.4%), Pseudomonas aeruginosa (7.0%) and Staphylococcus aureus (6.5 %). Third generation cephalosporin resistance ranged from 2.5% (K. pneumoniae) and 30% (Enterobacter sp.). Fluorquinolone resistance ranged from 3.8% (K. pneumoniae) and 16.1% (E. coli) (25% for the year 2005). Methicillin resistant S. aureus reached 38% of isolates. The main factors associated to MR infections were year of the survey, size of the hospital and the number of intrinsic risk factors of the patients. CONCLUSIONS Microorganisms involved in SSI have been progressively increasing antimicrobial resistance during the period 1999 through 2005. Patient intrinsic risk and the size of the hospital condition the level of antimicrobial resistance.

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