『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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カテゴリ (推奨):
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学究種別 (推奨):
組織 (推奨): 1.徳島大学.病院.診療科.内科 (2003年10月1日〜) [継承]
著者 (必須): 1.山田 博胤 ([徳島大学.大学院医歯薬学研究部.医学域.連携研究部門(医学域).寄附講座系(医学域).地域循環器内科学])
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2. (英) Donal Erwan (日) (読)
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[継承]
3. (英) Kim Yong-Jin (日) (読)
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[継承]
4. (英) Agler A. Deborah (日) (読)
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[継承]
5. (英) Zhang Youhua (日) (読)
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6. (英) Greenberg L. Neil (日) (読)
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7. (英) Mazgalev N. Todor (日) (読)
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[継承]
8. (英) Thomas D. James (日) (読)
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9. (英) Grimm A. Richard (日) (読)
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題名 (必須): (英) The "Pseud-Restrictive" Pattern of Transmitral Doppler Flow Pattern Following Conversion of Atrial Fibrillation to Sinus Rhythm  (日)    [継承]
副題 (任意): (英) Is Atrial or Ventricular Dysfunction to Blame?  (日)    [継承]
要約 (任意): (英) Patients with paroxysmal atrial fibrillation (AF) who have recently converted from AF to sinus rhythm often exhibit a restrictive Doppler pattern in the transmitral flow (TMF) velocity. However, the mechanism of this phenomenon has not been well defined. We evaluated the temporal change of TMF pattern and hemodynamics after conversion of AF to in sinus rhythm in an animal model. Eight open-chest dogs underwent 3 hours of pacing-induced AF. TMF velocities and pressure data were acquired at baseline (sinus rhythm), immediately after conversion of AF, and every 10 minutes thereafter. Early diastolic TMF velocity was increased immediately after conversion and recovered to the baseline value in 20 minutes. Atrial systolic TMF velocity was reduced after AF and recovered to baseline value in 20 to 30 minutes. Early diastolic/atrial systolic TMF velocity was increased after conversion, and recovered to baseline value in 20 to 30 minutes. The mean left atrial (LA) pressure increased immediately, 10 and 20 minutes after the conversion of AF to sinus rhythm. The left ventricular end-diastolic pressure was increased and positive left ventricular dP/dt and tau were decreased immediately after AF, whereas they recovered within 10 minutes. In conclusion, a pseudorestrictive pattern of TMF after AF occurred as a result of transient LA mechanical functional impairment and increased LA pressure caused by LA stunning. Transient left ventricular diastolic dysfunction also effected the TMF velocity immediately after the conversion from AF to sinus rhythm, although it recovered faster than LA mechanical dysfunction.  (日)    [継承]
キーワード (推奨): 1. (英) Animals (日) (読) [継承]
2. (英) Atrial Fibrillation (日) (読) [継承]
3. (英) Atrial Function, Left (日) (読) [継承]
4. (英) Blood Flow Velocity (日) (読) [継承]
5. (英) Coronary Circulation (日) (読) [継承]
6. (英) Dogs (日) (読) [継承]
7. (英) Echocardiography, Doppler (日) (読) [継承]
8. (英) Echocardiography, Transesophageal (日) (読) [継承]
9. (英) Electrocardiography (日) (読) [継承]
10. (英) Hemodynamics (日) (読) [継承]
11. (英) Mitral Valve (日) (読) [継承]
12. (英) Regression Analysis (日) (読) [継承]
発行所 (推奨):
誌名 (必須): Journal of the American Society of Echocardiography (American Society of Echocardiography)
(pISSN: 0894-7317, eISSN: 1097-6795)

ISSN (任意): 0894-7317
ISSN: 0894-7317 (pISSN: 0894-7317, eISSN: 1097-6795)
Title: Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
Title(ISO): J Am Soc Echocardiogr
Publisher: C.V. Mosby Company
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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年月日 (必須): 西暦 2004年 8月 初日 (平成 16年 8月 初日) [継承]
URL (任意): http://www.journals.elsevierhealth.com/periodicals/ymje/article/PIIS089473170400392X/abstract [継承]
DOI (任意): 10.1016/j.echo.2004.04.021    (→Scopusで検索) [継承]
PMID (任意): 15282482    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Article.Affiliation: Department of Cardiovascular Medicine, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA.  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Hirotsugu Yamada, Erwan Donal, Yong-Jin Kim, Deborah A. Agler, Youhua Zhang, Neil L. Greenberg, Todor N. Mazgalev, James D. Thomas and Richard A. Grimm : The "Pseud-Restrictive" Pattern of Transmitral Doppler Flow Pattern Following Conversion of Atrial Fibrillation to Sinus Rhythm, --- Is Atrial or Ventricular Dysfunction to Blame? ---, Journal of the American Society of Echocardiography, Vol.17, No.8, 813-818, 2004.
欧文冊子 ● Hirotsugu Yamada, Erwan Donal, Yong-Jin Kim, Deborah A. Agler, Youhua Zhang, Neil L. Greenberg, Todor N. Mazgalev, James D. Thomas and Richard A. Grimm : The "Pseud-Restrictive" Pattern of Transmitral Doppler Flow Pattern Following Conversion of Atrial Fibrillation to Sinus Rhythm, --- Is Atrial or Ventricular Dysfunction to Blame? ---, Journal of the American Society of Echocardiography, Vol.17, No.8, 813-818, 2004.

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