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Affiliation |
Faculty of Medicine College Hospital Department of Cardiology |
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IDEGUCHI Takeshi
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Papers 【 display / non-display 】
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Features of and temporal changes in electrocardiographic findings in takotsubo syndrome
IWASAKI Saya, SUZUKI Chiyoko, OGATA Miyuki, IDEGUCHI Takeshi, SAEKI Yuji, OKAYAMA Akihiko
Japanese Journal of Medical Technology 71 ( 2 ) 307 - 312 2022.4
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japanese Association of Medical Technologists
The electrocardiographic findings at the acute phase of takotsubo syndrome are similar to those of acute coronary syndrome. Therefore, coronary angiography is required to differentiate between the two. We experienced treating a patient with takotsubo syndrome diagnosed on the basis of coronary angiography findings. The patient showed mildly elevated levels of myocardial enzymes and troponin T in serum. The transthoracic echocardiography findings were hypokinesis at the apex wall, hypercontraction at the base of the heart, and decreased left ventricular ejection fraction, which are typical patterns at the acute phase. Furthermore, when we examined the temporal characteristics of the electrocardiographic findings, the wide range of ST elevation at chest leads without the mirror image in the early stages and the negative T wave changes during ST recovery were the common features, and temporal changes in the electrocardiographic findings in takotsubo cardiomyopathy were observed. When coronary angiography cannot be performed, the time-course observation of changes in the electrocardiographic findings as well as biochemical test results and transthoracic echocardiography were useful for the diagnosis of takotsubo syndrome.
DOI： 10.14932/jamt.21-7
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Tsukahara K., Oginosawa Y., Fujino Y., Honda T., Kikuchi K., Nozoe M., Uchida T., Minamiguchi H., Sonoda K., Ogawa M., Ideguchi T., Kizaki Y., Nakamura T., Oba K., Higa S., Yoshida K., Yagyu K., Miyamoto T., Yamagishi Y., Ohe H., Kohno R., Kataoka M., Otsuji Y., Abe H.
Journal of Arrhythmia 37 ( 4 ) 1052 - 1060 2021.8
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Arrhythmia
Background: An implantable cardioverter defibrillator (ICD) is the most reliable therapeutic device for preventing sudden cardiac death in patients with sustained ventricular tachycardia (VT). Regarding its effectiveness, targeted VT is defined based on the tachyarrhythmia cycle length. However, variations in RR interval variability of VTs may occur. Few studies have reported on VT characteristics and effects of ICD therapy according to the RR interval variability. We aimed to identify the clinical characteristics of VTs and ICD therapy effects according to the RR interval variability. Methods: We analyzed 821 VT episodes in 69 patients with ICDs or cardiac resynchronization therapy defibrillators. VTs were classified as irregular when the difference between two successive beats was >20 ms in at least one of 10 RR intervals; otherwise, they were classified as regular. We evaluated successful termination using anti-tachycardia pacing (ATP)/shock therapy, spontaneous termination, and acceleration between regular and irregular VTs. The RR interval variability reproducibility rates were evaluated. Results: Regular VT was significantly more successfully terminated than irregular VT by ATP. No significant difference was found in shock therapy or VT acceleration between the regular and irregular VTs. Spontaneous termination occurred significantly more often in irregular than in regular VT cases. The reproducibility rates of RR interval variability in each episode and in all episodes were 89% and 73%, respectively. Conclusions: ATP therapy showed greater effectiveness for regular than for irregular VT. Spontaneous termination was more common in irregular than in regular VT. RR interval variability of VTs seems to be reproducible.
DOI： 10.1002/joa3.12551
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Impact of short-acting loop diuretic doses and cardiac sympathetic nerve abnormalities on outcomes of patients with reduced left ventricular function. Reviewed
Onitsuka H, Koyama S, Ideguchi T, Ishikawa T, Kitamura K, Nagamachi S
Medicine (Baltimore) 2019.2
Language：English Publishing type：Research paper (scientific journal)
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Osteoprotegerin is secreted into the coronary circulation: a possible association with the renin-angiotensin system and cardiac hypertrophy. Reviewed
Koyama S, Tsuruda T, Ideguchi T, Kawagoe J, Onitsuka H, Ishikawa T, Date H, Hatakeyama K, Asada Y, Kato J, Kitamura K
Hormone and Metabolic Research 46 2014.7
Language：English Publishing type：Research paper (scientific journal)
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Acase of acute myocardial infarction due to spontaneous postpartum coronary artery dissection treated with coronary stenting Reviewed
45 ( 12 ) 1577 - 1583 2013.12
Language：Japanese Publishing type：Research paper (scientific journal)
MISC 【 display / non-display 】
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特集 透析患者の致死的不整脈-診断・治療・予防 IV病態別不整脈 (2) 電解質異常
「井手口武史、」「石川哲憲、」「藤元昭一、」
臨床透析 31 ( 4 ) 429 - 435 2015.4
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：日本メディカルセンター
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ボセンタンとトシリズマブが有効であった，関節リウマチに合併した肺動脈性肺高血圧症の１例．（共著）
森林耕平，鬼塚久充，井手口武史，今村卓郎，北村和雄
Modern Physician 32 38 - 40 2012.7
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：新興医学出版社
Presentations 【 display / non-display 】
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ショックを呈した頻脈性心房細動 －確実な一手でバイタル管理－
山村善政、竹内貴哉、黒木建吾、小山彰平、井手口武史、鬼塚久充、鶴田敏博、石川哲憲、北村和雄
第127回 日本循環器学会九州地方会
Event date： 2019.12.7
Language：Japanese Presentation type：Oral presentation (general)
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心臓再同期療法を受けた非虚血性心筋症の心臓死予測における安静心筋血流シンチグラフィを用 いた血流異常評価の有用性
鬼塚久充、黒木建吾、井手口武史、山口昌志、山村善政、石川哲憲、北村和雄、寺田珠沙、水谷陽一
第29回日本心臓核医学会総会・学術大会
Event date： 2019.7.12 - 2019.7.13
Language：Japanese Presentation type：Oral presentation (general)
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プルキンエ線維を介した心室頻拍を起こした心臓サルコイドーシス症例
福井喜朗、黒木建吾、山下慶子、山口昌志、坂田鋼治、西元弥生、山村善政、小山彰平、井手口武史、鬼塚久充、鶴田敏博、石川哲憲、北村和雄
第126回日本循環器学会九州地方会
Event date： 2019.6.29
Language：Japanese Presentation type：Oral presentation (general)
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ペムブロリズマブによる治療後に心筋炎を発症した1例
島津久遵、山口昌志、鶴田敏博、甲斐誠章、福井喜朗、山下慶子、山村善政、 黒木建吾、小山彰平、井手口武史、鬼塚久充、石川哲憲、北村和雄
第126回日本循環器学会九州地方会
Event date： 2019.6.29
Language：Japanese Presentation type：Oral presentation (general)
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経胸壁心エコーで卵円孔開存と肺高血圧症を認め精査を行った結果、下位静脈洞型心房中隔欠損症の診断に至った一例
山村善政、福井喜朗、黒木建吾、小山彰平、井手口武史、鬼塚久充、鶴田敏博、石川哲憲、北村和雄
日本心エコー図学会第30回学術集会
Event date： 2019.5.10 - 2019.5.12
Language：Japanese Presentation type：Oral presentation (general)