The exhaustive research of prognostic factor for chronic heart failure

2008 Fiscal Year Final Research Report

• Project/Area Number: 19790523
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Circulatory organs internal medicine
• Research Institution: Nagoya University
• Principal Investigator: HIRASHIKI Akihiro Nagoya University, 医学部附属病院, 助教 (10418741)
• Project Period (FY): 2007 – 2008
• Keywords: 慢性心不全 / 心筋特性 / 予後予測因子 / 心機能

Research Abstract

慢性心不全に対し、病態と予後との関連解析を行い、新しい病態生理の発見や予後指標の開発を目的として平成20年度の研究を進めた。
2007年、11月に行われたAHA Scientific Sessions 2007において、ドブタミン誘発性機械的交互脈は予後不良因子であることを初めて報告した。
また慢性心不全の一病態である肥大型心筋症では、ミトコンドリア機能は障害されており、その障害が左室収縮および弛緩予備能の低下に関与していることを報告した。

Research Products

• [Journal Article] Beneficial Effects of Torasemide on Systolic Wall Stress and Sympathetic Nervous Activity in Asymptomatic or Mildly Symptomatic Patients with Heart Failure: Comparison with Azosemide (2009)
  • Author(s): Harada K, Izawa H, Nishizawa Takao, Hirashiki A, Murase Y, Kobayashi M, Isobe S, Cheng XW, Noda A, Nagata K, Yokota M, Murohara T
  • Journal Title: J Cardiovasc Pharmacol. 2009 Pages: (in press)
  • Peer Reviewed
• [Journal Article] Murohara T. Relation of Functional and Morphological Changes in Mitochondria to Myocardial Contractile and Relaxation Reserves in Asymptomatic to Mildly Symptomatic Patients with Hypertrophic Cardiomyopathy (2009)
  • Author(s): Unno K, Isobe S, Izawa Hideo,Xian Cheng XW, Kobayashi M, Hirashiki A,Yamada T, Harada K, Ohshima S, Noda A, Nagata K, Kato K, Yokota M,
  • Journal Title: Eur Heart J
  • Peer Reviewed
• [Journal Article] Dobutamine stress testing as a diagnostic tool for evaluation of myocardial contractile reserve in asymptomatic or mildly symptomatic patients with dilated cardiomyopathy (2008)
  • Author(s): Kobayashi M, Izawa H, Cheng XW Asano H, Hirashiki A, Unno K, Ohshima S,Yamada T, Murase Y, Kato ST, Obata K, Noda A, Nishizawa T, Isobe S, Nagata K, Matsubara T, Murohara T, Yokota M
  • Journal Title: J Am Coll Cardiol Imaging 6 Pages: 718-726
  • Peer Reviewed
• [Journal Article] Beneficial effect of bilevel positive airway pressure on left ventricular function in ambulatory patients with idiopathic dilated cardiomyopathy and central sleep apnea-hypopnea (2007)
  • Author(s): Noda A, Izawa H, Asano H, Nakata S, Hirashiki A, Murase Y, Iino S, Nagata K, Murohara T, Koike Y, Yokota M.
  • Journal Title: a preliminary study. Chest Pages: 1694-1701
  • Peer Reviewed
• [Presentation] Preservation of Myocardial Contractile Reserve in Nonischemic Dilated Cardi myopathy Patients with Sleep-Disordered Breathing (2009)
  • Author(s): Hirashiki A
  • Organizer: 第73回日本循環器学会学術集会
  • Place of Presentation: 大阪国際会議場
  • Year and Date: 2009-03-22
• [Presentation] Relation of peak VO2 to myocardial contractile reserve measured by dobutamine stress testing in patients with idiopathic dilated cardiomyopathy (2009)
  • Author(s): Okumura T
  • Organizer: 第73回日本循環器学会学術集会
  • Place of Presentation: 大阪国際会議場
  • Year and Date: 2009-03-22
• [Presentation] Mechanical restitution using dobutamine stress testing in patients with left ventricular dysfunction and atrial fibrillation. (2009)
  • Author(s): Hirashiki A
  • Organizer: 第73回日本循環器学会学術集会
  • Place of Presentation: 大阪国際会議場
  • Year and Date: 2009-03-22
• [Presentation] Potential Association of Renal Dysfunction with Prolonged Left Ventricular Relaxation in Patients with Nonischemic Dilated Cardiomyopathy (2009)
  • Author(s): Ohshima K
  • Organizer: 第73回日本循環器学会学術集会
  • Place of Presentation: 大阪国際会議場
  • Year and Date: 2009-03-20
• [Presentation] Increased 99mTc-Sestamibi Washout Reflects Impaired Myocardial Contractile Reserve and Prolonged Relaxation in Patients with Nonobstructive Hypertrophic Cardiomyopathy (2008)
  • Author(s): Unno K
  • Organizer: AHA Scientific Sessions 2008
  • Place of Presentation: New Orleans
  • Year and Date: 2008-11-10
• [Presentation] Reduced [123I]metaiodobenzylguanidine Uptake Predicts Impaired Adrenergic Myocardial Functional Reserve in Asymptomatic or Mildly Symptomatic Patients With Idiopathic Dilated Cardiomyopathy (2008)
  • Author(s): Kobayashi M
  • Organizer: AHA Scientific Sessions 2008
  • Place of Presentation: New Orleans
  • Year and Date: 2008-11-09
• [Presentation] 軽中等症の拡張型心筋症におけるドブタミン誘発性機械的交互脈の意義 (2008)
  • Author(s): 平敷安希博
  • Organizer: 第56回日本心臓病学会学術集会
  • Place of Presentation: 東京国際フォーラム
  • Year and Date: 2008-09-09
• [Presentation] Prognostic Value of Dobutamine-Induced Mechanical in Patients With Mildly to Moderately Idiopathic Dilated Cardiomyopathy in sinus rhythm. (2008)
  • Author(s): Hirashiki A
  • Organizer: 14th World Congress on heart disease
  • Place of Presentation: Tronto
  • Year and Date: 2008-07-27
• [Presentation] Comparing Effects of Loop Diuretics with Antialdosteronergic Properties Versus Pure Loop Diuretics in Mildly Symptomatic Patients with ChronicHeart Failure (2008)
  • Author(s): Harada K
  • Organizer: 第72回日本循環器学会学術集会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-29
• [Presentation] Superoxide-Dependent Activation of Cathepsin System is Associated with Hypertensive Myocardial Remodeling and Represents a Target for AT1R Blocker Therapy (2008)
  • Author(s): Cheng XW
  • Organizer: 第72回日本循環器学会学術集会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-29
• [Presentation] Dobutamine-Induced Mechanical Alternans could be a Useful Predictor of Poor Prognosis in Ambulatory Patients with Idiopathic Dilated Cardiomyopathy in sinus rhythm (2008)
  • Author(s): Hirashiki A
  • Organizer: 第72回日本循環器学会学術集会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2008-03-29
• [Book] 診断・評価に必要な検査 d. 心カテーテルによる心機能評価、慢性心不全を解く・治す (2007)
  • Author(s): 平敷 安希博 室原豊明
  • Total Pages: 37-43
  • Publisher: メジカルビュ-社