Annals of surgery
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The pathogenesis of lung hypoplasia in congenital diaphragmatic hernia (CDH), a common birth defect, is poorly understood. The diaphragmatic defect can be repaired surgically, but the abnormal lung development contributes to a high mortality in these patients. To understand the underlying pathobiology, we compared the proteomic profiles of fetal rat lungs at the alveolar stage (E21) that were either exposed to nitrofen in utero (CDH lungs, n=5) or exposed to vehicle only (non-CDH control lungs, n=5). ⋯ STAT3 inhibition after direct nitrofen exposure to fetal rat lung explants (E14.5) partially rescued the hypoplastic lung phenotype ex vivo by increasing peripheral lung budding. Moreover, we demonstrated that several STAT3-associated cytokines (IL-15, IL-9, andIL-2) are increased in fetal tracheal aspirates of CDH survivors compared with nonsurvivors after fetoscopic endoluminal tracheal occlusion. With our unbiased proteomics approach, we showed for the first time that downstream inflammatory processes are likely involved in the pathogenesis of abnormal lung development in CDH.
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The primary objective of this systematic review and meta-analysis was to elucidate the rate of venous thromboembolism (VTE) after endovenous interventions for varicose veins in the presence of pharmacological and mechanical thromboprophylaxis versus mechanical thromboprophylaxis alone. ⋯ There is a significant reduction in the rate of DVT with additional pharmacological thromboprophylaxis and routine prescription of anticoagulation after endovenous varicose vein intervention should be considered. VTE risk for individual study participants is heterogeneous and risk stratification in future randomized interventional studies is critical to establish the clinical effectiveness and safety of additional pharmacological thromboprophylaxis.
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We sought to perform a large-scale systematic review across all sham-controlled studies currently present in the literature to better characterize the ethical considerations of these studies. ⋯ Our systematic review of 172 randomized, sham-controlled trials highlights the ethical considerations that must be considered in these studies, namely the importance of transparent study design and objective outcome reporting, the difficulty of informed consent, and the inherent risks associated with surgical interventions.
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Racial and ethnic inequities in surgical care in the United States are well documented. Less is understood about evidence-based interventions that improve surgical care and reduce or eliminate inequities. In this review, we discuss effective patient, surgeon, community, health care system, policy, and multi-level interventions to reduce inequities and identifying gaps in intervention-based research. ⋯ Achieving surgical equity will require implementing evidenced-based interventions to improve quality for racial and ethnic minorities. Moving beyond description toward elimination of racial and ethnic inequities in surgical care will require prioritizing funding of intervention-based research, utilization of implementation science and community based-participatory research methodology, and principles of learning health systems.