Arch Surg Chicago
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Bariatric surgery for Medicare patients must be performed in an accredited hospital that performs at least 125 cases per year. We assessed the validity of this volume threshold and its policy implications. ⋯ When the results of statistical analysis are used for policy determination, the consequences for patient care may be substantial. Most studies of volume-outcome relationships rely on statistical methods that tend to amplify the effects and few fully characterize their statistical models. Despite the weak evidence for a volume-outcome relationship for bariatric surgery, a 125-case per year threshold has been set for center-of-excellence status, which eliminates most hospitals currently providing these services and disproportionately restricts access for the poor and underinsured.
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To summarize our experience with small-bowel obstructions after laparoscopic Roux-en-Y gastric bypass. ⋯ Altered gastrointestinal tract anatomy results in vague symptoms and a poor yield with imaging studies. A sound knowledge of altered anatomy is the key to correct interpretation of imaging studies and prompt diagnosis.
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Simple admission laboratory values can be used to classify patients with necrotizing soft-tissue infection (NSTI) into high and low mortality risk groups. ⋯ Mortality for NSTIs remains high. A simple model, using admission serum lactate and serum sodium levels, may help identify patients at greatest risk for death.
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Comparative Study
Mortality in adolescent girls vs boys following traumatic shock: an analysis of the National Pediatric Trauma Registry.
Female sex imparts a survival benefit after traumatic injury in children. ⋯ Adolescent girls exhibit lower mortality than boys following traumatic shock. This effect is not seen in prepubescent children. These findings suggest that hormonal differences may play a role in the sex-based outcome disparities following traumatic shock in children.