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Vacirca, Andrea; Faggioli, Gianluca; Pini, Alessia; Pini, Rodolfo; Abualhin, Mohammad; Sonetto, Alessia; Spath, Paolo; Gargiulo, Mauro
European journal of vascular and endovascular surgery, June 2023, 2023-Jun, 2023-06-00, 20230601, Letnik: 65, Številka: 6Journal Article
Chronic limb threatening ischaemia (CLTI) involving the infragenicular arteries is treated by distal angioplasty or pedal bypass; however, this is not always possible, due to chronically occluded pedal arteries (no patent pedal artery, N-PPA). This pattern represents a hurdle to successful revascularisation, which must be limited to the proximal arteries. The aim of the study was to analyse the outcome of patients with CLTI and N-PPA after a proximal revascularisation. All patients with CLTI submitted to revascularisation in a single centre (2019 – 2020) were analysed. All angiograms were reviewed to identify N-PPA, defined as total obstruction of all pedal arteries. Revascularisation was performed with proximal surgical, endovascular, and hybrid procedures. Early and midterm survival, wound healing, limb salvage, and patency rates were compared between N-PPA and patients with one or more patent pedal artery (PPA). Two hundred and eighteen procedures were performed. One hundred and forty of 218 (64.2%) patients were male, mean age 73.2 ± 10.6 years. The procedure was surgical in 64/218 (29.4%) cases, endovascular in 138/218 (63.3%), and hybrid in 16/218 (7.3%). N-PPA was present in 60/218 (27.5%) cases. Eleven of 60 (18.3%) cases were treated surgically, 43/60 (71.7%) by endovascular and 6/60 (10%) by hybrid procedures. Technical success was similar in the two groups (N-PPA 85% vs. PPA 82.3%, p = .42). At a mean follow up of 24.5 ± 10.2 months, survival (N-PPA 93.7 ± 3.5% vs. PPA 95.3 ± 2.1%, p = .22) and primary patency (N-PPA 53.1 ± 8.1% vs. PPA 55.2 ± 5%, p = .56) were similar. Limb salvage was significantly lower in N-PPA patients (N-PPA 71.4 ± 6.6% vs. PPA 81.5 ± 3.4%, p = .042); N-PPA was an independent predictor of major amputation (hazard ratio HR 2.02, 1.07 – 3.82, p = .038) together with age > 73 years (HR 2.32, 1.17 – 4.57, p = .012) and haemodialysis (2.84, 1.48 – 5.43, p = .002). N-PPA is not uncommon in patients with CLTI. This condition does not hamper technical success, primary patency, and midterm survival; however, midterm limb salvage is significantly lower than in patients with PPA. This should be considered in the decision making process.
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