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  1. 学術雑誌論文
  2. 山梨医科大学雑誌
  3. 7(2)

<Original Article> Ischemic Preconditioning Reduces the Severity of Ventricular Arrhythmias Induced by Coronary Artery Occlusion in Rats

https://doi.org/10.34429/00003139
https://doi.org/10.34429/00003139
78e1c36e-0153-4a5f-861f-a0067a16473d
名前 / ファイル ライセンス アクション
AN10044054_07_02_02.pdf AN10044054_07_02_02.pdf (807.9 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-05-18
タイトル
タイトル <Original Article> Ischemic Preconditioning Reduces the Severity of Ventricular Arrhythmias Induced by Coronary Artery Occlusion in Rats
言語 en
言語
言語 eng
キーワード
言語 en
主題 Ischemic preconditioning
キーワード
言語 en
主題 Coronary occlusion induced arrhythmia
キーワード
言語 ja-Latn
主題 Antiarrhythmic effect
キーワード
言語 en
主題 Rats
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
ID登録
ID登録 10.34429/00003139
ID登録タイプ JaLC
著者名 KOMORI, Sadayoshi

× KOMORI, Sadayoshi

en KOMORI, Sadayoshi

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OSADA, Mituru

× OSADA, Mituru

en OSADA, Mituru

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SANO, Soichi

× SANO, Soichi

en SANO, Soichi

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ISHIHARA, Tsukasa

× ISHIHARA, Tsukasa

en ISHIHARA, Tsukasa

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SATO, Hitomi

× SATO, Hitomi

en SATO, Hitomi

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SAWANOBORI, Takao

× SAWANOBORI, Takao

en SAWANOBORI, Takao

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IJIRI, Hiroshi

× IJIRI, Hiroshi

en IJIRI, Hiroshi

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WATANABE, Yuichiro

× WATANABE, Yuichiro

en WATANABE, Yuichiro

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TAMURA, Kohji

× TAMURA, Kohji

en TAMURA, Kohji

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PARRATT, R.James

× PARRATT, R.James

en PARRATT, R.James

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内容
内容記述タイプ Other
内容記述 The effects of brief ischemia (preconditioning) on early phase arrhythmias induced by coronary artery occlusion were studied in two sets of rat experiments. In the first protocol, the duration of the preconditioning coronary occlusion was varied. We used three different periods, 1 min (group 2, n=8), 3 min (group 3, n=10), and 5 min (group 4, n=10). A 10 min reperfusion period was maintained before the coronary artery was reoccluded for 30 min. The severity of arrhythmia during this 30 min reocclusion period was assessed and was compared with that in control rats (group 1, n=12) in which the coronary artery was also occluded for 30 min, without preconditioning. Total numbers of ventricular ectopics in each group were 1236±262 beats (M±SE), 1230±370 beats (NS), 200±60 beats (p<0.01) and 394±152 beats (p<0.01), respectively. The incidence of VT in groups 1-4 was 100%, 100%, 70%, and 60% (p<0.05), respectively. The 3 min preconditioning occlusion had the most potent protective effects against ventricular arrhythmias induced by coronary artery occlusion. In the second protocol, the duration of reperfusion after the 3 min preconditioning occlusion was varied, the periods being 10 min, 20 min, and 30 min. The longer reperfusion period attenuated the protective effett of the 3 min occlusion preconditioning. In conclusion, preconditioning periods of more than 3 min of myocardial ischemia protected against the ventricular arrhythmias induced by prolonged coronary occlusion. The protective effect of 3 min occlusion preconditioning lasted for 30 min.
言語 en
出版者
出版者 山梨医科大学医学会
言語 ja
ISSN
収録物識別子タイプ ISSN
収録物識別子 0912-0025
NCID
収録物識別子タイプ NCID
収録物識別子 AN10044054
書誌情報 ja : 山梨医科大学雑誌
en : Yamanashi medical journal

巻 7, 号 2, p. 43-52, 発行日 1992
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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