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Shepard et al determine the change in hospital profit due to surgical site infections.

Anderson and colleagues conducted a 3-phase observational study of surgeons’ perioperative teaching behaviors aimed at promoting deliberate teaching of residents, changing resident perception of their teachers, and producing sustainable improvements. Schenarts and Flowers provide an invited commentary.

In a retrospective case series, van der Wilden and coauthors determine the rate, causes, predictors, and consequences of failure of nonoperative management in grade IV and grade V blunt renal injuries.

To preoperatively predict the risk of pN+ for NF-PanNETs Partelli et al retrospectively reviewed clinical and pathological data using multiple logistic regression analysis.

Rodriguez et al validate the derived decision instrument (NEXUS Chest) for identification of blunt trauma patients with very low risk of thoracic injury seen on chest imaging hypothesizing that NEXUS Chest would have high sensitivity (>98%) for the prediction of and clinical significance for thoracic injury seen on chest imaging.

Using the American Association for the Surgery of Trauma Open Abdomen Registry, Bradley and coauthors determine independent predictors of enterocutaneous fistula, enteroatmospheric fistula, or intra-abdominal sepsis/abscess in patients undergoing damage control laparotomy after trauma. See invited commentary by Cannon.

Hwabejire et al identify the causes of excessively prolonged hospitalization in trauma patients.

Chen et al evaluate laparoscopic triple neurectomy of the ilioinguinal, iliohypogastric, and genitofemoral nerve trunks in the retroperitoneal lumbar plexus for treatment of refractory inguinodynia.