急性心筋梗塞後の生存率に基づく血管形成術の試験 (VIAMI 試験)
急性心筋梗塞後早期に梗塞領域で生存能力がある患者における梗塞関連動脈の選択的ステント留置術の早期および長期結果。 VIAMI トライアル。
調査の概要
詳細な説明
これまでの研究では、急性心筋梗塞に対する血栓溶解直後の梗塞関連冠動脈の日常的な血管形成術は臨床上の利益をもたらさないことが示されている。 この発見は、梗塞関連動脈の血管形成術から実際に恩恵を受けるであろう、最近心筋梗塞を起こした患者のサブグループを選択することの重要性を強調している。
いくつかの研究では、急性心筋梗塞後の早期に梗塞領域に生存能力が存在すると、再発性梗塞、狭心症や冠動脈介入の必要性などの新たな心臓イベントのリスクが増加することが実証されています。 したがって、梗塞領域に生存能力がある患者のみが、急性心筋梗塞後の早期に血管形成術の恩恵を受けると想定されている。
VIAMI試験では、急性心筋梗塞で入院し、直ちに冠動脈形成術を受けなかった患者は、入院後3日以内にドブタミン心エコー検査による生存能力検査を受けることになる。 梗塞領域に生存能力の明確な兆候がある患者は、その後、侵襲的治療戦略または保存的治療戦略に無作為に割り当てられます。 侵襲的戦略では、患者は、静脈内血小板阻害剤アブシキシマブの併用とともに、梗塞関連冠動脈にステント留置を行うバルーン血管形成術を行う目的で冠動脈造影検査を受けます。 保存的グループでは、患者は、新たな差し迫った梗塞または再発性虚血が存在する場合にのみ、冠状動脈造影および血管形成術を受ける。 侵襲的グループでは、ランダム化後できるだけ早くバルーン血管形成術が実行されます。 生存能力のない患者は無作為化されませんが、対照群として参加します。
研究の種類
入学
段階
- 適用できない
連絡先と場所
研究場所
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Alkmaar、オランダ、1815 JD
- Medical Center Alkmaar (MCA)
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Amsterdam、オランダ、1058 NR
- Sint LucasAndreas Hospital
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Amsterdam、オランダ、1081 HV
- VU University Medical Center
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Eindhoven、オランダ、5623 EJ
- Catharina Hospital
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Haarlem、オランダ、2000 AK
- Kennemer Gasthuis
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Heerlen、オランダ、6401 CX
- Atrium medical center Heerlen
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Hilversum、オランダ、1213 XZ
- Hospital Hilversum
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Leiderdorp、オランダ、2350 CC
- Rijnland Hospital
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Nijmegen、オランダ、6525 GA
- University Medical Center St. Radboud
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Purmerend、オランダ、1441 RN
- Waterland Hospital
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Utrecht、オランダ、3582 KE
- Diakonessenhuis
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Zaandam、オランダ、1500 EE
- Zaans Medical Center "De Heel"
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
包含基準:
- 痛みの発症から6時間以内の入院、および心電図で2つ以上の標準リードで1 mm以上のSTセグメント上昇、または2つの連続する胸部リードで2 mm以上のST上昇があり、経壁虚血を示し、新しいQ-の発現の有無にかかわらず酵素上昇により心筋壊死が証明される(総CPK≧正常上限の2倍)。
- -亜急性心筋梗塞(6時間以上)と一致する患者病歴。心電図(Q波)上に少なくとも心筋壊死の兆候があり、心臓特異的酵素の血清レベルが有意に増加している。
- 年齢は18歳から80歳まで。
- 冠動脈造影の前に実行される生存率検査。
- 生存率検査の前に侵襲的処置を行う臨床的適応はない
除外基準:
- インフォームドコンセントが得られていない
- 信頼できないフォローアップ
- 生存率試験は技術的に不可能
- ドブタミン心エコー検査の禁忌(心不全、不整脈)
- 重度の糖尿病性腎症や造影剤アレルギーの既知など、冠動脈造影の禁忌
- アブシキシマブに対する既知の過敏症
- 生命を脅かす重篤な非心疾患
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:防止
- 割り当て:ランダム化
- 介入モデル:単一グループの割り当て
- マスキング:なし(オープンラベル)
この研究は何を測定していますか?
主要な結果の測定
結果測定 |
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死
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再発性心筋梗塞
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入院が必要な不安定狭心症
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30日、6ヶ月、1年後の分析
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二次結果の測定
結果測定 |
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左心室機能(心エコー検査)
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心不全の発生率(NYHA)
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狭心症クラス (CCS)
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血行再建術の必要性
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3か月、6か月、1年後の分析
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協力者と研究者
協力者
捜査官
- 主任研究者:Gerrit Veen, MD, PhD、VU University medical center, Amsterdam, The Netherlands
- スタディチェア:Cees A Visser, MD, PhD、VU University medical center, Amsterdam, The Netherlands
- スタディディレクター:Frans C Visser, MD, PhD、Amsterdam UMC, location VUmc
出版物と役立つリンク
一般刊行物
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- van Loon RB, Veen G, Kamp O, Baur LH, van Rossum AC. Left ventricular remodeling after acute myocardial infarction: the influence of viability and revascularization - an echocardiographic substudy of the VIAMI-trial. Trials. 2014 Aug 18;15:329. doi: 10.1186/1745-6215-15-329.
- van Loon RB, Veen G, Baur LH, Kamp O, Bronzwaer JG, Twisk JW, Verheugt FW, van Rossum AC. Improved clinical outcome after invasive management of patients with recent myocardial infarction and proven myocardial viability: primary results of a randomized controlled trial (VIAMI-trial). Trials. 2012 Jan 3;13:1. doi: 10.1186/1745-6215-13-1.
研究記録日
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研究開始
研究の完了
試験登録日
最初に提出
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最初の投稿 (見積もり)
学習記録の更新
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最終確認日
詳しくは
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