Annals of vascular surgery
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Pseudoaneurysms may occur at the wrist after catheterization of the radial artery but may also occur after arteriovenous shunting for dialysis or after direct trauma to an artery. Radial artery pseudoaneurysms are being increasingly reported because of widespread use of invasive monitoring. ⋯ The pseudoaneurysm thrombosed after 6 days of external compression. In selected cases, extended external compression is a useful therapeutic option, especially in patients who are medically unfit to undergo general anesthesia or operative treatment.
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We reviewed our experience with the different types of inferior vena cava (IVC) filters used over 4 years for the incidence of complications and correlated this with the type of filter used. This is a retrospective study involving chart reviews of all the patients who received IVC filters placed between January 2002 and January 2006. Data related to indications for filter insertion and the incidence of early (30 days) and late complications related to the filter insertion were collected. ⋯ In conclusion, IVC filters are frequently used for prophylaxis in the absence of VTE conditions. Complications are relatively low. All types of filters used in this study had comparable complications with the exception of the Bard filter, which had a higher incidence of tilt, and the TrapEase filter, which had a higher incidence of IVC thrombosis, in patients with hypercoagulable/malignant conditions.
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Integration of gene-expression profiles and pathway analysis in ascending thoracic aortic aneurysms.
Despite the increasing incidence of ascending thoracic aortic aneurysms, their pathogenesis and molecular mechanisms remain unknown. The aim of this study was to identify the biological pathways of genes that are expressed differentially in ascending aortic aneurysms. ⋯ We identified that differentially expressed genes are associated with the pathways that are mainly involved in interactions between cells and the extracellular matrix, and with immune function. The reported data provide useful information on the molecular mechanisms underlying the formation of ascending aortic aneurysms.
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Controlled Clinical Trial
L-alanyl-glutamine preoperative infusion in patients with critical limb ischemia subjected to distal revascularization reduces tissue damage and protects from oxidative stress.
Critical limb ischemia (CLI) is the most severe form of peripheral vascular disease where there is inadequate blood flow to a limb. Our aim was to examine the effects of preoperative infusion of l-alanyl-glutamine (l-Ala-Gln) during the ischemic period and during the first 30 minutes following blood reflow in patients with CLI who are undergoing distal femoral artery bypass surgery. ⋯ l-Ala-Gln pretreatment reduces muscle cell damage and enhances antioxidant capacity in patients with CLI.
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Randomized Controlled Trial Comparative Study
Retroperitoneal approach to abdominal aortic aneurysm repair preserves splanchnic perfusion as measured by gastric tonometry.
We investigated if minimizing bowel manipulation and mesenteric traction using the retroperitoneal approach in open abdominal aortic aneurysm (AAA) repair preserves splanchnic perfusion, as measured by gastric tonometry, and reduces the systemic inflammatory response and dysfunction of the various organs. ⋯ The retroperitoneal approach for open AAA repair is associated with gastric tonometric evidence of better splanchnic perfusion compared to the transperitoneal approach.