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Construction of up-stream therapy for persistent atrial fibrillation originated from non-pulmonary vein/superior vena cava

Research Project

Project/Area Number 16K09439
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Cardiovascular medicine
Research InstitutionYamaguchi University

Principal Investigator

YOSHIGA Yasuhiro  山口大学, 大学院医学系研究科, 助教 (00423393)

Co-Investigator(Kenkyū-buntansha) 小室 拓也  山口大学, 大学院医学系研究科, 助教 (00760787)
上山 剛  山口大学, 医学(系)研究科(研究院), 講師 (60380010)
清水 昭彦  山口大学, 大学院医学系研究科, 教授 (70263762)
小林 茂樹  山口大学, 大学院医学系研究科, 准教授 (90397993)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords心房細動 / カテーテルアブレーション / 心房リモデリング / 肺静脈隔離術 / 上大静脈隔離術 / 循環器・高血圧
Outline of Final Research Achievements

Sequential catheter ablation strategy targeting the pulmonary vein (PV) and superior vena cava (SVC) for persistent atrial fibrillation (AF) maintained sinus rhythm in 66% and 74% of patients after PV isolation (PVI) alone and PVI+SV isolation (SVCI) with multiple procedures. PVI+SVCI strategy suppressed persistent AF more strongly compared to PVI alone strategy, and the time from constant AF was independent predictor of AF recurrence. Low voltage areas (LVAs) was observed more often in non-paroxysmal AF, high age, female and bigger left atrium, and did not correlate the left atrial wall motion. LVAs was the independent predictor only after the initial PVI in paroxysmal AF patients. However, LVAs did not predict the AF recurrence in patients with persistent AF after catheter ablation using the PVI+SVCI strategy. Beta blocker as up-stream therapy in addition to catheter ablation did not show the suppression effect for AF recurrence.

Academic Significance and Societal Importance of the Research Achievements

3年以内の持続時間であれば持続性心房細動の多くの症例で心房基質に対する追加アブレーションなしに洞調律維持が可能であり、アブレーションの早期介入の重要性が示された。心房線維化を示す低電位領域は機能的には大きな影響はなく、また心房細動再発との相関が複数回セッションでは減弱することからアブレーション標的としての意義が低い可能性が示唆され、肺静脈および上大静脈の恒久的隔離の重要性が再確認された。これらの治験は不要な心房基質への追加アブレーションを避け、非薬物療法の安全性に寄与すると考えられる。また、非薬物療法に加えたup-stream治療の限界も示され、非薬物療法と併用する包括的治療の課題も示された。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (17 results)

All 2019 2018 2017 2016

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (14 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Journal Article] Strict sequential catheter ablation strategy targeting the pulmonary veins and superior vena cava for persistent atrial fibrillation2018

    • Author(s)
      Yoshiga Y, Shimizu A, Ueyama T, Ono M, Fukuda M, Fumimoto T, Ishiguchi H, Omuro T, Kobayashi S, Yano M.
    • Journal Title

      Journal of Cardiology

      Volume: 71 Pages: 16-19

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Macroreentrant form of an adenosine 5'-triphosphate-sensitive atrial tachycardia arising from the vicinity of the atrioventricular node involving the tricuspid and mitral annuli as its reentrant circuit.2017

    • Author(s)
      Ueyama T, Shimizu A, Yoshiga Y, Ono M, Fumimoto T, Yano M.
    • Journal Title

      HeartRhythm Case Rep.

      Volume: 3 Pages: 289-293

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Successful cryoballoon pulmonary vein isolation in a patient with situs inversus and dextrocardia2016

    • Author(s)
      Yoshiga Y, Shimizu A, Ueyama T, Ono M, Fumimoto T, Ishiguchi H, Yano M
    • Journal Title

      Journal of Arrhythmia

      Volume: 32 Pages: 493-495

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Superior Vena Cava Isolation in addition to Pulmonary Vein Isolation Improves Outcome after Catheter Ablation of Non-paroxysmal Atrial Fibrillation2019

    • Author(s)
      Yasuhiro Yoshiga
    • Organizer
      第83回日本循環器学会学術総会
    • Related Report
      2018 Annual Research Report
  • [Presentation] The utility and limitation of low voltage zones as a predictor in long-term outcome of trigger-based atrial fibrillation ablation2019

    • Author(s)
      Takuya Omuro
    • Organizer
      第83回日本循環器学会学術総会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Impact of Empiric Isolation of Superior Vena Cava in Addition to Pulmonary Vein Isolation on the Outcome of Persistent Atrial Fibrillation Ablation2018

    • Author(s)
      Yasuhiro Yoshiga
    • Organizer
      第65回日本不整脈心電学会学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Impacts of antiarrhythmic drugs on the left atrial low voltage zones in atrial fibrillation patients without structural heart disease2018

    • Author(s)
      Takuya Omuro
    • Organizer
      第65回日本不整脈心電学会学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] The impact of left atrial low voltage zone in trigger-based catheter ablation for atrial fibrillation without structural heart disease2018

    • Author(s)
      Takuya Omuro
    • Organizer
      11th Asia Pacific Heart Rhythm Society Scientific Session
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The correlation between asymptomatic excessive transmural injury after pulmonary vein isolation and bonus freeze protocol using the second-generation 28 mm cryoballoon for paroxysmal atrial fibrillation2017

    • Author(s)
      Yasuhiro Yoshiga, Akihiko Shimizu, Takeshi Ueyama, Makoto Ono, Hironori Ishiguchi, Masafumi Yano
    • Organizer
      EHRA-Cardiostim Scientific Session
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] The distribution and predictors of left atrial low voltage zone in patients with atrial fibrillation2017

    • Author(s)
      Takuya Omuro, Yasuhiro Yoshiga, Akihiko Shimizu, Takeshi Ueyama, Makoto Ono, Hironori Ishiguchi, Masafumi Yano
    • Organizer
      European Society of Cardiology Congress
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] An Impact on the Pulmonary Vein Myocardium Sleeve Injury after Pulmonary Vein Isolation Using a 28-Mm Second Generation Cryoballoon2017

    • Author(s)
      Yasuhiro Yoshiga, Takeshi Ueyama, Akihiko Shimizu, Makoto Ono, Hironori Ishiguchi, Takuya Omuro, Masafumi Yano
    • Organizer
      10th Asia-Pacific Heart Rhythm Society Scientific Session
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] STAR AF Ⅱ試験対象持続性心房細動患者における上大静脈隔離術の肺静脈隔離術に対する追加効果2017

    • Author(s)
      吉賀康裕,清水昭彦,大野 誠,福田昌和,石口博智,小室拓也,矢野雅文
    • Organizer
      第65回日本心臓病学会学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] The correlation between left atrial low voltage zone and left atrial appendage flow velocity in patients with atrial fibrillation2017

    • Author(s)
      Takuya Omuro, Yasuhiro Yoshiga, Akihiko Shimizu, Makoto Ono, Fukuda Masakazu, Hironori Ishiguchi, Masafumi Yano
    • Organizer
      第82回日本循環器学会学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] Strict sequential catheter ablation strategy targeting pulmonary vein and superior vena cava for persistent atrial fibrillation2016

    • Author(s)
      Yasuhiro Yoshiga, Akihiko Shimizu, Takeshi Ueyama, Makoto Ono, Tomoko Fumimoto, Hironori Ishiguchi, Masafumi Yano
    • Organizer
      The 9th ASIA PACIFIC HEART RHYTHM SOCIETY SCIENTIFIC SESSION
    • Place of Presentation
      Seoul Coex Convention Center (Korea)
    • Year and Date
      2016-10-12
    • Related Report
      2016 Research-status Report
  • [Presentation] 持続性心房細動に対する肺静脈隔離術単独治療ストラテジーの有効性と限界を知る2016

    • Author(s)
      吉賀康裕, 清水昭彦, 上山 剛, 大野 誠, 文本朋子, 石口博智, 矢野雅文
    • Organizer
      第64回日本心臓病学会学術集会
    • Place of Presentation
      東京国際フォーラム(東京都千代田区)
    • Year and Date
      2016-09-23
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Appropriate patients and timing of substrate modification for persistent atrial fibrillation: Lesson from strict trigger-based sequential ablation strategy targeting pulmonary vein and superior vena cava2016

    • Author(s)
      Yasuhiro Yoshiga, Takeshi Ueyama, Makoto Ono, Tomoko Fumimoto, Hironori Ishiguchi, Masafumi Yano
    • Organizer
      第63回日本不整脈心電学会学術大会
    • Place of Presentation
      札幌コンベンションセンター(北海道札幌市)
    • Year and Date
      2016-07-14
    • Related Report
      2016 Research-status Report
  • [Presentation] 発作性心房細動症例における心腔内エコーによる左房壁運動評価と心内電位波高の比較2016

    • Author(s)
      小室 拓也, 吉賀 康裕, 上山 剛, 大野 誠, 文本 朋子, 石口 博智, 清水 昭彦, 矢野 雅文
    • Organizer
      第63回日本不整脈心電学会学術大会
    • Place of Presentation
      札幌コンベンションセンター(北海道札幌市)
    • Year and Date
      2016-07-14
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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