Using a pressure wire in percutaneous coronary interventions (PCI) 2019/07/16 Medmastery
FFR (Fractional Flow Reserve)とは
下の動画は15分弱で、もう少しくわしくFFRを解説。
Coronary Angiogram . FFR (Fractional Flow Reserve) 2020/06/17 White Board and Marker Cardiology Lectures
FFRを行う目的
日常臨床のなかでFFR計測は虚血の診断に加えて、PCI終了時の決定(術後の初期開存の確認)と長期予後の予測にも有用である。FFRを計測することで、中等度冠動脈狭窄病変においてPCIをせずにdeferするかどうかの判断が容易になる。(FFRを日常臨床で使いこなす〜For the daily use of FFR〜【FFRを極める】 2017年9月13日 FRIENDS Live 2018, ゼオン・メディカル(株), 共催コンテンツ)
FRmyoを指標に血行再建の適応を決定することの妥当性を検討したDEFER study7)や重症多枝疾患を対象に行われたFAME試験8)は,血行再建の適応は血管造影ではなく,FFRmyoを用いた生理学的狭窄重症度に基づいて行われるべきであり,虚血陰性と考えられる病変は治療しても予後の改善はない(治療しないほうがよい)ことを示した.(PCI時代に冠循環を見直す 第46回 河口湖心臓討論会 第46回 河口湖心臓討論会カテーテル治療ナビゲーションとしてのFFR の役割 FFR as the best navigator of coronary intervention–How to use pressure wire for clinical decision making–松尾仁司 心臓 Vol.45 No.3(2013))
FFR Basics: Performing an FFR Procedure – Mort Kern, MD 2012/04/11 Philips Image Guided Therapy Devices Morton Kern, MD University of California, Irvine Medical Center Orange, CA
Sarcopenia is the loss of muscle mass specifically related to aging. It’s normal to lose some muscle mass as you age. However, sarcopenia describes severe muscle loss that strays from the norm. (healthline)
FDA concluded that despite the negative results of an identically designed Phase III trial, Study 301, the successful Study 302 was sufficient to demonstrate effectiveness. (What Did US FDA Do Wrong In Its Review Of Aducanumab AdCom Members Have A List by Brenda Sandburg pharmaintelligence.informa.com)
In unusual move, FDA formed ‘working group’ collaboration with Biogen to conduct further analyses of two aducanumab studies after the Phase III trials were halted. Agency concluded drug’s effectiveness in one of the studies is ‘robust and exceptionally persuasive’ and advised Biogen that it was ‘reasonable’ to submit a marketing application. (USA FDA Gives Biogen Big Hand In Effort To Get Its Alzheimer’s Treatment On The Market 04 Nov 2020 ANALYSIS Brenda Sandburg pharmaintelligence.informa.com)