Journal of vascular surgery
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Medical management with antiplatelet (AP) and statin therapy is recommended for nearly all patients undergoing vascular surgery to reduce cardiovascular events. We assessed the association between preoperative use of AP and statin medications and postoperative in-hospital myocardial infarction (MI) in patients undergoing high-risk open surgery. ⋯ Preoperative AP and statin medications as used in VQI were not associated with the rate of in-hospital MI/death after major open vascular operations. Rather, predicted cardiac risk and operative blood loss were significantly associated with in-hospital MI or MI/death. AP and statin medications appear to be more useful in reducing late mortality than early postoperative MI/death in VQI. However, they were not harmful, so their long-term benefit argues for continued use.
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Although the effect of trainee involvement has been evaluated across different specialties, their effects on perioperative outcomes after abdominal aortic aneurysm (AAA) repair have not been examined. Our goal was to examine the association between resident and fellow intraoperative participation with perioperative outcomes of endovascular AAA repair (EVAR), open infrarenal AAA repair (OIAR), and open juxtarenal AAA repair (OJAR). ⋯ Trainee participation in aneurysm repair was not associated with major adverse perioperative outcomes. However, it was associated with an increased operative time and length of stay and therefore may lead to increased resource utilization and cost.
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Focal junctional tourniquets (JTs) have been developed to control hemorrhage from proximal limb injuries. These devices may permit greater collateral perfusion than circumferential tourniquets. We hypothesized that JTs eliminate large-vessel pulse pressure yet allow a small amount of residual limb perfusion that could be useful for maintaining tissue viability. ⋯ Application of a JT eliminates conduit arterial pulse and markedly reduces intramuscular pulse pressure, but thigh and calf skeletal muscle perfusion is maintained at 25% to 35% of basal levels. These data suggest that JTs that are used to control limb hemorrhage allow residual tissue perfusion even when pulse pressure is absent.