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BackgroundMales and females are known to have varied responses to medical interventions. Our study aimed to determine the effect of sex on surgical outcomes after pyloromyotomy.Materials and methodsUsing the Kids' Inpatient Database for the years 2003-2012, we performed a serial, cross-sectional analysis of a nationally representative sample of all patients aged

The article focuses on whether surgical subspecialization affects rates of sphincter preservation (SP) in patients with rectal cancer. The study found that subspecialist surgeons had a higher likelihood of performing sphincter-preserving procedures, and surgeon subspecialization had the strongest association with SP, suggesting the importance of standardizing surgical approaches for improved patient outcomes.

Abstract Background/Purpose Despite policy efforts to support rural hospitals, little is known about the quality and safety of pediatric surgical care in geographically remote areas. Our aim was to determine the outcomes and costs of appendectomies at rural hospitals. Methods The Kids' Inpatient Database (2003–2012) was queried for appendectomies in children < 18 years at urban and rural hospitals. Outcomes (disease severity, laparoscopy, complications, length of stay (LOS), cost) were analyzed with bivariate and multivariable regression analysis. Results Rural hospitals performed 13.6% of appendectomies. On multivariable analysis, rural hospitals were associated with higher negative appendectomy rates (OR 1.49, 95% CI 1.39-1.60, p < 0.001), decreased appendiceal perforation rates (OR 0.86, 95% CI 0.83-0.89, p < 0.001), less laparoscopy use (OR 0.48, 95% CI 0.47-0.50, p < 0.001), higher complication rates (OR 1.29, 95% CI 1.19-1.39, p < 0.001), shorter LOS (IRR 0.90, 95% CI 0.89-0.91, p < 0.001), and slightly increased costs (exponentiated log$ 1.02, 95% CI 1.01-1.02, p < 0.001) Conclusions Rural hospitals care for fewer patients with advanced appendicitis but are associated with higher negative appendectomy rates, lower laparoscopy use, and higher complication rates. Additional studies are needed to identify factors that drive this disparity to improve the quality of pediatric surgical care in rural settings. Type of Study Treatment/Cost Study (Outcomes). Level of Evidence Level III. [ABSTRACT FROM AUTHOR]

Introduction. Normothermic machine perfusion (NMP) is an emerging preservation modality that holds the potential to prevent the injury associated with low temperature and to promote organ repair that follows ischemic cell damage. While several animal studies have showed its superiority over cold storage (CS), minimal studies in the literature have focused on safety, feasibility, and reliability of this technology, which represent key factors in its implementation into clinical practice. The aim of the present study is to report safety and performance data on NMP of DCD porcine livers. Materials and Methods. After 60 minutes of warm ischemia time, 20 pig livers were preserved using either NMP (n = 15; physiologic perfusion temperature) or CS group (n = 5) for a preservation time of 10 hours. Livers were then tested on a transplant simulation model for 24 hours. Machine safety was assessed by measuring system failure events, the ability to monitor perfusion parameters, sterility, and vessel integrity. The ability of the machine to preserve injured organs was assessed by liver function tests, hemodynamic parameters, and histology. Results. No system failures were recorded. Target hemodynamic parameters were easily achieved and vascular complications were not encountered. Liver function parameters as well as histology showed significant differences between the 2 groups, with NMP livers showing preserved liver function and histological architecture, while CS livers presenting postreperfusion parameters consistent with unrecoverable cell injury. Conclusion. Our study shows that NMP is safe, reliable, and provides superior graft preservation compared to CS in our DCD porcine model. [ABSTRACT FROM PUBLISHER]