Progress in Endovenous Pulsed Laser Ablation

DOI 19 References Open Access
  • Sakakibara Naoki
    Department of Cardiovascular Surgery and Vein Center, Edogawa Hospital, Tokyo, Japan
  • Kansaku Rei
    Department of Cardiovascular Surgery and Vein Center, Edogawa Hospital, Tokyo, Japan
  • Yamaoka Hironobu
    Department of Cardiovascular Surgery and Vein Center, Edogawa Hospital, Tokyo, Japan
  • Akashi Hirokazu
    Department of Cardiovascular Surgery and Vein Center, Edogawa Hospital, Tokyo, Japan
  • Amano Atsushi
    Department of Cardiovascular Surgery, Juntendo University School of Medicine, Tokyo, Japan

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Other Title
  • パルスレーザーによる血管内焼灼術の進歩

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Description

Continuous-wave (CW) lasers have been commonly used for endovenous laser ablation (EVLA). However, as some undesired side effects such as postoperative pain and bruising occasionally happens, longer laser wavelength and specially-fabricated laser fibers have been developed. On the other hand, the pulsed-wave (PW) laser, which has a heat production control by thermal relaxation, is independently developed for EVLA. This article discusses the implication of PW laser in EVLA from a theoretical point of view and a newly-developed micropulsation (MP) is introduced as a new concept. Since the MP yields adequate blood and vein wall heat degeneration by microseconds laser emission, efficacy and safety are improved compared with CW laser or conventional PW laser. Initial clinical outcome is favorable and promising for painless EVLA using inexpensive bare fiber.

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