37;
95% CI 3.60-8.0). EVAR had a shorter length of stay (11.1 vs 13.8 days, P<.0001), higher discharges to home (65.1% vs 53.9%, P<.0001), and lower charges ($108,672 vs $114,784, P<.0001).
Conclusions: In the United States, for RAAA, EVAR had a lower postoperative mortality than open repair. Higher elective open repair as well as RAAA volume increased this mortality advantage for EVAR. These results support regionalization of RAAA repair to high volume centers whenever possible and a wider adoption of endovascular repair of RAAA nationwide. (J Vasc Surg 2009;49:817-26.)”
“Our previous study indicated that aquaporin4 (AQP4) deficiency potentiated morphine analgesia, but attenuated tolerance and physical dependence induced by chronic exposure to morphine. However, the mechanisms remained to be explored. In the present study, effects of AQP4 deficiency on opioid receptor characteristics find more were investigated by [(3)H]-diprenorphine selleck compound binding assays. In basal condition, the K(d) values of opioid receptors increased from 0.27 +/- 0.03 nM in wild-type mice to 0.44 +/- 0.04 nM in AQP4 deficient mice. Meanwhile,
the density (B x values) of opioid receptors increased from 0.40 +/- 0.04 pmol/mg protein in wild-type mice to 0.66 +/- 0.04 pmol/mg protein in AQP4 deficient mice. After chronic morphine treatment, the affinity of opioid receptors decreased in wild-type mice, in which the Kd value increased from 0.27 +/- 0.03 nM to 0.40 +/- 0.04 nM, while no change in the density of opioid receptors was observed. In AQP4 knockout mice, the effects of chronic morphine treatment on opioid receptors were similar to that in wild-type mice, in which the Kd values increased from 0.44 +/- 0.04 nM to 0.64 +/- 0.08 nM, whereas the density had no significant
change. Taken together, at the first time, we found that AQP4 deficiency decreased the affinity and increased the density of opioid receptors. Additionally, AQP4 deficiency did not affect chronic morphine-induced alterations of opioid receptor characteristics. (C) 2009 Elsevier learn more Ireland Ltd. All rights reserved.”
“Objectives: To assess outcomes and develop duplex scan criteria that will reliably determine the luminal status of covered and uncovered renal stents following fenestrated and branched endovascular repair.
Methods: A prospective database of patients treated with fenestrated and branched endografts between 2001 and 2006 was reviewed. All patients with evidence of renal artery pathology including duplex scan assessed peak systolic velocity (PSV) <50 or >200 cm/s, renal aortic ratio (RAR) >3.5, elevation of the serum creatinine >30%, computed tomography (CT) evidence of renal stenosis underwent further analyses including medical chart review, and a review of CT and duplex scan imaging data. Correlations of ultrasound scan, CT, angiographic, and clinical outcomes were conducted and receiver operator curve (ROC) analysis was performed.