Surgery
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Resveratrol has been reported to induce angiogenesis in ischemic tissue. We hypothesized that high-dose resveratrol would improve native angiogenesis in a swine model of metabolic syndrome and chronic myocardial ischemia. ⋯ Supplemental resveratrol positively modified cardiovascular risk factors including body mass index, cholesterol, glucose tolerance, and systolic blood pressure. However, it did not increase native collateral formation in the ischemic myocardium. This may be a result of increased angiostatin and thrombospondin leading to decreased expression of VE-cadherin and other pro-angiogenic factors.
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Advance directive (AD) use is uncommon in surgical patients, yet the exact reasons for this are unknown. Our aim was to identify and describe beliefs held by surgeons regarding ADs. A qualitative exploration of physicians' opinions of ADs for surgical patients was designed. This methodology is preferred to quantitative techniques, which are subject to bias when an issue's underlying themes are unknown. ⋯ Surgeons describe conflicting feelings about ADs for high-risk surgical patients. These beliefs and attitudes may be an underlying factor for the limited use of ADs by surgical patients. Methods for improving effective use of ADs in surgical practice must address these attitudes.
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We have recently demonstrated that treatment with suberoylanilide hydroxamic acid (SAHA), a histone deacetylase inhibitor, before a lethal dose of lipopolysaccharide (LPS) improves survival in mice. The purpose of the present study was to determine whether SAHA treatment would attenuate LPS-induced shock and improve survival when given postinsult in a rodent model. ⋯ We report for the first time that administration of SAHA (50 mg/kg IP) after a lethal dose of LPS significantly improves long-term survival, and attenuates expression of the proinflammatory mediators TNF-alpha and IL-6. Furthermore, our data suggest that the anti-inflammatory effects of SAHA may be due to downregulation of the MyD88-dependent pathway, and decreased expression of associated proinflammatory genes.
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We investigated the outcomes of injured patients who were undertriaged and compared them with those meeting full trauma team activation (TTA) criteria. ⋯ The UTG had a lower ISS and improved outcomes compared to the CTG with no differences in OR delays. Despite inherent challenges in TTA protocols, patients who were undertriaged at our institution appear to have satisfactory outcomes.
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Endotoxemia is associated with depressed cardiac function during sepsis. Mesenchymal stem cells (MSCs) possess an ability to modulate the inflammatory response during sepsis, but it is unknown whether MSCs possess the ability to reduce endotoxemia-induced myocardial injury and dysfunction. ⋯ Treatment with MSCs during endotoxemia reduces systemic and myocardial inflammation and is associated with a reduction in LPS-induced myocardial functional depression.