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  • Title: Analysis of the results of endovascular and open surgical treatment of acute limb ischemia.
    Author: de Athayde Soares R, Matielo MF, Brochado Neto FC, Cury MVM, Duque de Almeida R, de Jesus Martins M, Pereira de Carvalho BV, Sacilotto R.
    Journal: J Vasc Surg; 2019 Mar; 69(3):843-849. PubMed ID: 30679009.
    Abstract:
    OBJECTIVE: The objective of this study was to evaluate the long-term estimates of limb salvage and survival in patients with acute limb ischemia (ALI) receiving open surgery or endovascular revascularization. METHODS: This was a retrospective consecutive cohort study of patients with ALI who underwent open surgery or endovascular treatment at the Vascular and Endovascular Surgery Unit, Hospital do Servidor Público Estadual (São Paulo, Brazil), between July 2010 and July 2016. The overall mortality, limb salvage, and survival rates at 720 days were analyzed in both the open surgery (group 1) and endovascular treatment (group 2) groups. RESULTS: A total of 69 patients were admitted for a limb salvage procedure. The mean follow-up period was 822 ± 480.5 days. All of the analyses were performed at 720 days. Of the 69 patients, 46 (66.6%) were in group 1 and 23 (33.4%) in group 2. The clinical characteristics were similar between the groups, except for higher rates of chronic kidney disease (P = .04) and arrhythmia (P = .01) in group 1. Group 1 had a higher postoperative ankle-brachial index (P = .03). Concerning the Rutherford classification, group 1 had a higher prevalence of Rutherford IIB ALI (P = .003). The preoperative creatine kinase level was higher in group 1 than in group 2 (780 [range, 198-6546] mg/dL and 245 [65-78] mg/dL, respectively). A creatine kinase level >200 mg/dL was seen in 65.2% and 47.8% of patients in group 1 and group 2, respectively (P = .028). The limb salvage and overall survival estimates at 720 days were similar between group 1 and group 2 (79.2% vs 90.6% [P = .27] and 53% vs 60.8% [P = .45], respectively). The overall mortality rate was 10.1% (seven patients) within the first 30 days, and it was higher in group 1 (six patients [13.0%]; P = .03). CONCLUSIONS: Both open surgery and endovascular procedures are safe treatments of patients with ALI, with acceptable limb salvage and survival rates. No previous study has suggested the preferred treatment of ALI. However, based on this study and the overall literature, endovascular treatment may be the preferred treatment of patients with Rutherford I and IIA ALI; open surgery may be the best option for ALI due to arterial embolism and for Rutherford IIB acute arterial thrombosis because of a greater urgency to restore blood flow.
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