Epidemiologic analysis: Prophylaxis and multidrug-resistance in surgery.

Background: Surgical site infection is defined as an infection related to the surgical procedure in the area of manipulation occurring within the first 30 postoperative days. The diagnostic criteria include: purulent drainage, isolation of microorganisms, and signs of infection.

Aims: To describe the epidemiologic characteristics and differences among the types of prophylactic regimens associated with hospital-acquired infections at the general surgery service of a tertiary care hospital.

[Gastric band erosion: Alternative management].

Background: Obesity is a public health problem, for which the prevalence has increased worldwide at an alarming rate, affecting 1.7 billion people in the world.

Objective: To describe the technique employed in incomplete penetration of gastric band where endoscopic management and/or primary closure is not feasible.

[Myxoid liposarcoma of the anterior mediastinum. A case report and bibliography review].

Unlabelled: Five cases per year. Of those cases 50% are located in the extremities and 40% are located in the trunk and retroperitoneum. Primary mediastinal liposarcomas represent less than 1% of mediastinal tumors.