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Subject Area

Vascular and Cardiothoracic surgery

Article Type

Original Study

Abstract

Aim: To evaluate the effectiveness and safety of using Endovenous Microwave Ablation (EMA) to treat primary small saphenous vein (SSV) incompetence.

Methods: The study was conducted on consecutive limbs with primary SSV incompetence confirmed by Duplex study and had CEAP clinical class C2–C6, between February 2024 and July 2025 at a tertiary referral center. Patients were treated with EMA using the ECO Microwave System Co (Nanjing, China). Primary endpoint included technical success whereas secondary endpoints included post-procedural complications and VCSS changes.

Results: A total of 23 patients and 24 limbs were included. Technical success was achieved in all patients. During a median follow-up of 6 months, duplex confirmed occlusion of the treated veins. There was a significant reduction in Venous Clinical Severity Score (VCSS) and visual analog scale (VAS); p < 0.001. Complications included neuralgia that was transient.

Conclusion: In this prospective single-center cohort, endovenous microwave ablation (EMA) achieved a high technical success rate among completed procedures and was associated with sustained short-term vein occlusion, significant improvements in Venous Clinical Severity Score (VCSS) and pain, and a favorable safety profile. These findings suggest that EMA is a feasible and effective treatment option for small saphenous vein (SSV) incompetence in the short term.

Creative Commons License

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

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