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25.03.2020 | Original Article

One-year limb outcome and mortality in patients undergoing revascularization therapy for acute limb ischemia: short-term results of the Edo registry

Zeitschrift:
Cardiovascular Intervention and Therapeutics
Autoren:
Michiaki Higashitani, Hitoshi Anzai, Atsushi Mizuno, Makoto Utsunomiya, Tomoyuki Umemoto, Tetsuo Yamanaka, Masashi Nakao, Norihiro Yamada, Shunsuke Matsuno, Shunsuke Ozaki, Hiroshi Sakamoto, Yasufumi Yuzawa, Hiroshi Ando, Hiroshi Ohta, Masato Nakamura, the Edo registryinvestigators
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Abstract

The present study aimed to clarify the current status, therapeutic strategy, and 1-year outcome in acute limb ischemia (ALI) patients in Japan. The EnDOvascular treatment (Edo) registry database includes 324 patients from 10 institutes who were registered between November 2011 and October 2013. A total of 70 ALI patients (mean age 74.0 years) from the Edo registry database were enrolled in this study. Of the 70 included patients, 72.9% were male and 35.7% had embolism. Of patients, 38.6%, 42.9%, and 18.6% underwent EVT, surgery, and hybrid thrombectomy, respectively, in primary revascularization strategy. Limb ischemia was categorized into four classes at initial evaluation: SVS/ISCVS class I (n = 13, 18.6%), SVS/ISCVS class IIa (n = 36, 51.4%), SVS/ISCVS class IIb (n = 21, 30%), and SVS/ISCVS class III (n = 0, 0%). Three patients with SVS/ISCVS class IIb limb ischemia developed myonephropathic metabolic syndrome. No catheter-directed thrombolysis was employed as a primary revascularization strategy. The 1-year rates of all-cause death, major amputation, and a composite of perioperative death or major adverse limb event were 28.6%, 5.7%, and 40.0%, respectively. Lower age, male sex, dyslipidemia, high estimated glomerular filtration rate, high albumin level, and low C-reactive protein level were independent positive predictors of all-cause death. In this registry, SVS/ISCVS class IIa ALI was predominant. Approximately 40% of primary revascularization strategy was surgery and EVT, followed by hybrid therapy. All-cause death and major amputation rates at 1 year were less than 30% and 6%, respectively.

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