Effect of Left Ventricular Dyssynchrony on Cardiac Sympathetic Activity in Heart Failure Patients With Wide QRS Duration
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作者:
Tanaka, Hidekazu
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Tanaka, Hidekazu
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Tatsumi, Kazuhiro
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Tatsumi, Kazuhiro
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Fujiwara, Sei
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Fujiwara, Sei
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Tsuji, Takayuki
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Tsuji, Takayuki
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Kaneko, Akihiro
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Kaneko, Akihiro
[1
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Ryo, Keiko
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Ryo, Keiko
[1
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Fukuda, Yuko
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Fukuda, Yuko
[1
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Matsumoto, Kensuke
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Matsumoto, Kensuke
[1
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Shigeru, Mayumi
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Shigeru, Mayumi
[1
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Yoshida, Akihiro
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Yoshida, Akihiro
[1
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Kawai, Hiroya
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Kawai, Hiroya
[1
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Hirata, Ken-ichi
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Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, JapanKobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Hirata, Ken-ichi
[1
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机构:
[1] Kobe Univ, Grad Sch Med, Dept Internal Med, Div Cardiovasc Med,Chuo Ku, Kobe, Hyogo 6500017, Japan
Background: Dyssynchrony has various detrimental effects on cardiac function, but its effect on cardiac sympathetic activity is not fully understood. Methods and Results: We studied 50 heart failure patients who underwent cardiac resynchronization therapy (CRT). Cardiac sympathetic activity was assessed by I-123-metaiodobenzylguanidine (I-123-MIBG) scintigraphy as the delayed heart-to-mediastinum ratio (H/M ratio). Echocardiography was performed before and 7 months after CRT, and response was defined as a >= 15% decrease in end-systolic volume. Dyssynchrony was determined by the time difference between the anteroseptal-to-posterior wall using speckle-tracking radial strain (>= 130 ms predefined as significant). H/M ratio in patients with dyssynchrony was less than that in patients without dyssynchrony (1.62 +/- 0.31 vs. 1.82 +/- 0.36, P<0.05), even though ejection fraction was not significantly different (24 +/- 6% vs. 25 +/- 7%). Patients with dyssynchrony and H/M ratio >= 1.6 had a higher frequency of response to CRT (94%) and favorable long-term outcome over 3.0 years. In contrast, patients without dyssynchrony and H/M ratio <1.6 were more likely to show a lower frequency of response to CRT (0%) and unfavorable long-term outcome after CRT. Conclusions: Dyssynchrony is associated with cardiac sympathetic activity, and I-123-MIBG scintigraphy may be valuable for predicting the response to CRT. (Circ J 2012; 76: 382-389)
机构:
Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Yu, CM
Fung, JWH
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Fung, JWH
Zhang, Q
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Zhang, Q
Chan, CK
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Chan, CK
Chan, YS
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Chan, YS
Lin, H
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Lin, H
Kum, LCC
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Kum, LCC
Kong, SL
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Kong, SL
Zhang, Y
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Zhang, Y
Sanderson, JE
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
机构:
Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Yu, CM
Fung, JWH
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h-index: 0
机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Fung, JWH
Zhang, Q
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Zhang, Q
Chan, CK
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Chan, CK
Chan, YS
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Chan, YS
Lin, H
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Lin, H
Kum, LCC
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Kum, LCC
Kong, SL
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Kong, SL
Zhang, Y
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China
Zhang, Y
Sanderson, JE
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Div Cardiol, Shatin, Hong Kong, Peoples R China