Does Routine Completion Angiogram During Embolectomy for Acute Upper-Limb Ischemia Improve Outcomes?
Background Since 1963, Fogarty balloon catheter thromboembolectomy is usually adopted as the gold standard treatment for acute limb ischemia. As the success of the procedure depends on complete removal of all thromboembolic material, intraoperative arteriography can be used after arterial thromboemb...
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Veröffentlicht in: | Annals of vascular surgery 2012-11, Vol.26 (8), p.1064-1070 |
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Zusammenfassung: | Background Since 1963, Fogarty balloon catheter thromboembolectomy is usually adopted as the gold standard treatment for acute limb ischemia. As the success of the procedure depends on complete removal of all thromboembolic material, intraoperative arteriography can be used after arterial thromboembolectomy as a guide for extension of the procedure. It is still a matter of debate whether intraoperative angiography should be routinely performed in all cases or only in selected cases, depending on intraoperative findings, when the surgeon suspects an incomplete disobstruction. Most published evidence derives from analysis of lower-limb thromboembolectomies. The aim of our retrospective study was to elucidate the value of routine completion angiogram in acute arterial embolism of the upper limb. Methods Clinical and demographic data of 100 patients with acute embolic upper-limb ischemia were prospectively recorded during an 18-year period in a central hospital vascular unit setting. The relevance of intraoperative angiography was retrospectively analyzed. The procedures were divided into two groups: group A, when intraoperative angiography was performed in selected cases (selective angiography); and group B, when angiography was performed as a routine procedure in all cases (routine angiography). All factors associated with reocclusion and mortality were investigated to produce meaningful information that could assist the surgeon to predict outcomes. Results Cumulative reocclusion and mortality rates at 24 months were 14.0% and 70.0%, respectively. After upper-limb arterial embolectomy, the rate of extension of the procedure was significantly higher in group B than in group A (26.0% vs. 4.0%, P = 0.002). At 24 months after embolectomy, group B resulted in a lower incidence of reocclusion compared with group A (12.0% vs. 2.0%, P = 0.05), whereas there was no statistical difference between the two groups in terms of mortality ( P > 0.05). On univariate analysis, the factor associated with increased 2-year reocclusion rate was only the avoidance of completion angiography, although it lost some of its predictive value on multivariate analysis. Factors associated with increased 2-year mortality rate on univariate analysis included age >80 years, diabetes mellitus [DM], and antiplatelet drug use. Only DM was significantly associated on multivariate analysis. Conclusion Routine use of intraoperative angiography influences outcome after embolectomy for upper-limb acu |
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ISSN: | 0890-5096 1615-5947 |
DOI: | 10.1016/j.avsg.2011.12.012 |