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- W2996540525 abstract "Introduction: Endovenous laser ablation (EVLA) is one of the treatment options for lower limb varicose veins. Recent development of newer optical fibres requires clinical studies to explore the technical aspects of their use and to define the optimal energy parameters in EVLA. The aim of this study was to evaluate the effectiveness, safety and technical aspects of EVLA with “Swift” radial optical fibres in the treatment of lower limb varicose veins. Methods: A prospective single-centre study was carried out. A total of 110 procedures of EVLA in the superficial venous system (great saphenous vein, small saphenous vein, accessory saphenous veins, perforating veins) were included in study. A new type of radial optical fibre ELVeS-radial-swift ™ (Biolitec AG) on a 1470 nm wavelength diode laser was used. Selecting this type of fibre, the ablation energy parameters and the fibre extraction method were left at the operator's discretion. The technical features of the “Swift” optical fibre are: radial emission of laser radiation, 400 microns radial fibre diameter, 1.5 mm scattering tip diameter. Vein puncture was performed with a 14G catheter, without using an introducer. The physical condition of the fibre was visually evaluated after each EVLA. The clinical outcome was assessed with physical examination and duplex scan on days 1-4 and then 30 days post intervention. Results: All procedures were acutely successful and obliteration rate was with 100% in short-term follow-up. Mean power was 6.1 ± 0.61 (4.7- 9) W, with average energy of 2873 ± 1671 J per EVLA procedure. In 9 patients, EVLA was simultaneously performed in multiple venous trunks (3-4 subcutaneous veins) using a single fibre, with average total energy of 8810 ± 1202 J. The mean diameter of the subcutaneous veins was 8.9 mm (5-20 mm). No cases of fibre fragmentation or disintegration were observed. In 2 (1.8%) cases, carbonization of the fibre glass tip was seen after prolonged ablation in a post-thrombotic veins with 7 and 8 W power, and 210 J /cm and 161 J/cm LEED, respectively. Conclusion: EVLA with “Swift” radial fibres is safe and effective option for treating lower limb varicose veins. It does not require a use of introducer, which simplifies the procedure with potential cost benefit. This is the first publication describing the clinical use of these fibres. Disclosure: medical devices used in this study were granted by Biolitec AG" @default.
- W2996540525 created "2019-12-26" @default.
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- W2996540525 date "2019-12-01" @default.
- W2996540525 modified "2023-09-25" @default.
- W2996540525 title "First Experience of Using “Swift” Radial Fibres for Endovenous Laser Ablation – A Premarketing Study" @default.
- W2996540525 doi "https://doi.org/10.1016/j.ejvs.2019.09.427" @default.
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