[Sensitivity and antibiotic resistance in infections of the musculoskeletal system].

Background: Infections of the musculoskeletal system are a devastating complication for patients, due to it's long rehabilitation process and even sometimes the removal of the implant, the chronicity of infection, is often due to lack of coverage in empirical antibiotics.

Methods: A retrospective, observational, descriptive cohort study was performed. All cultures form musculoskeletal system infected patients reported of sensitivity and resistance of germs isolated were analyzed.

[Mixed knee arthrodesis a rescue alternative in knee periprosthetic joint infection].

Background: Knee arthrodesis is a rescue procedure for patients with knee periprosthetic joint infection who are not candidates for a revision surgery. The actual methods present a high complication rate with only moderate efectivity.

Methods: We retrospectively analyzed 17 cases, of patients with knee periprosthetic joint infection and bone loss treated by intramedular expandable nail and monoplanar external fixator with a mínimum evolution of 1 year, evaluating the medical records and digitalized X-rays by 2 sub specialized doctors in osteoarticular rescue surgery.