Updated on 2024/06/25

写真a

 
Morooka Masaki
 
Affiliation
Chibahokusoh Hospital, Intensive Care Unit, Assistant Professor
Title
Assistant Professor
External link

Papers

  • Late Kidney Injury After Admission to Intensive Care Unit for Acute Heart Failure.

    Masaki Morooka, Akihiro Shirakabe, Hirotake Okazaki, Masato Matsushita, Shota Shigihara, Suguru Nishigoori, Tomofumi Sawatani, Kenichi Tani, Kazutaka Kiuchi, Shohei Kawakami, Yu Michiura, Shogo Kamitani, Nobuaki Kobayashi, Kuniya Asai

    International heart journal   65 ( 3 )   433 - 443   2024

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    Late kidney injury (LKI) in patients with acute heart failure (AHF) requiring intensive care is poorly understood.We analyzed 821 patients with AHF who required intensive care. We defined LKI based on the ratio of the creatinine level 1 year after admission for AHF to the baseline creatinine level. The patients were categorized into 4 groups based on this ratio: no-LKI (< 1.5, n = 509), Class R (risk; ≥ 1.5, n = 214), Class I (injury; ≥ 2.0, n = 78), and Class F (failure; ≥ 3.0, n = 20). Median follow-up after admission for AHF was 385 (346-426) days. Multivariate logistic regression analysis revealed that acute kidney injury (AKI) during hospitalization (Class R, odds ratio [OR]: 1.710, 95% confidence interval [CI]: 1.138-2.571, P = 0.010; Class I, OR: 6.744, 95% CI: 3.739-12.163, P < 0.001; and Class F, OR: 9.259, 95% CI: 4.078-18.400, P < 0.001) was independently associated with LKI. Multivariate Cox regression analysis showed that LKI was an independent predictor of 3-year all-cause death after final follow-up (hazard ratio: 1.545, 95% CI: 1.099-2.172, P = 0.012). The rate of all-cause death was significantly lower in the no-AKI/no-LKI group than in the no-AKI/LKI group (P = 0.048) and in the AKI/no-LKI group than in the AKI/LKI group (P = 0.017).The incidence of LKI was influenced by the presence of AKI during hospitalization, and was associated with poor outcomes within 3 years of final follow-up. In the absence of LKI, AKI during hospitalization for AHF was not associated with a poor outcome.

    DOI: 10.1536/ihj.23-603

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  • Early recurrence of attack after myocardial infarction with non-obstructive coronary arteries: a case report. International journal

    Masaki Morooka, Osamu Kurihara, Masamichi Takano, Yasushi Miyauchi

    European heart journal. Case reports   7 ( 5 )   ytad225   2023.5

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    BACKGROUND: Diagnostic strategies depend on non-standardized workup, and the causes of myocardial infarction with non-obstructive coronary arteries remain unclear for some patients. Intracoronary imaging is recommended for detecting the missed causes by coronary angiography. Myocardial infarction with non-obstructive coronary arteries is a heterogeneous entity; a meta-analysis of myocardial infarction with non-obstructive coronary artery studies demonstrated that all-cause mortality rate at 1 year is 4.7%, and its prognosis is not so favourable. CASE SUMMARY: A 62-year-old man without remarkable medical history complained of acute chest pain at rest, which resolved at his arrival. Although echocardiography and electrocardiogram exhibited normal findings, the concentration of high-sensitive cardiac troponin T increased up to 0.384 from 0.04 ng/mL. Coronary angiography was performed, and mild stenosis of the proximal right coronary artery was detected. He was discharged without catheter intervention and medications as he reported no symptoms. He returned 8 days later because of inferoposterior ST-segment elevation myocardial infarction with ventricular fibrillation. Emergent coronary angiography showed that the mild stenosis of the proximal right coronary artery had progressed to total occlusion. Optical coherence tomography after thrombectomy revealed rupture of the thin-cap fibroatheroma and protruding thrombus. DISCUSSION: Patients presenting with myocardial infarction with non-obstructive coronary arteries and plaque disruption and/or thrombus detected by optical coherence tomography do not show normal coronaries on coronary angiography. Aggressive investigation into plaque disruption using intracoronary imaging is recommended even if coronary angiography demonstrates mild stenosis to prevent a fatal attack for suspicious cases of myocardial infarction with non-obstructive coronary arteries.

    DOI: 10.1093/ehjcr/ytad225

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  • Relationship Between Procedural Right Bundle Branch Block and 1-Year Outcome After Alcohol Septal Ablation for Hypertrophic Obstructive Cardiomyopathy - A Retrospective Study.

    Junya Matsuda, Hitoshi Takano, Masaki Morooka, Yoichi Imori, Jun Nakata, Mitsunobu Kitamura, Shuhei Tara, Yukichi Tokita, Takeshi Yamamoto, Morimasa Takayama, Wataru Shimizu

    Circulation journal : official journal of the Japanese Circulation Society   85 ( 9 )   1481 - 1491   2021.8

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    BACKGROUND: Alcohol septal ablation (ASA) is a treatment option in patients with drug-refractory symptomatic hypertrophic obstructive cardiomyopathy (HOCM). In many patients, right bundle branch block (RBBB) develops during ASA because septal branches supply the right bundle branch. However, the clinical significance of procedural RBBB is uncertain.Methods and Results:We retrospectively reviewed 184 consecutive patients with HOCM who underwent ASA. We excluded 40 patients with pre-existing RBBB (n=10), prior pacemaker implantation (n=15), mid-ventricular obstruction type (n=10), and those lost to follow-up (n=5), leaving 144 patients for analysis. Patients were divided into 2 groups according to the development (n=95) or not (n=49) of procedural RBBB. ASA conferred significant decreases in the left ventricular pressure gradient (LVPG) in both the RBBB and no-RBBB group (from 74±48 to 27±27 mmHg [P<0.001] and from 75±45 to 31±33 mmHg [P<0.001], respectively). None of the RBBB patients developed further conduction system disturbances. The percentage reduction in LVPG at 1 year after the procedure was significantly greater in the RBBB than no-RBBB group (66±24% vs. 49±45%; P=0.035). Procedural RBBB was not associated with pacemaker implantation after ASA, but was associated with reduction in repeat ASA (odds ratio 0.34; 95% confidence interval 0.13-0.92; P=0.045). CONCLUSIONS: Although RBBB frequently occurs during the ASA procedure, it does not adversely affect clinical outcomes.

    DOI: 10.1253/circj.CJ-20-1191

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Misc.

  • Electron Microscopy Assists Genomic Medicine for Early Phase Dilated Cardiomyopathy(タイトル和訳中)

    諸岡 雅城, 齋藤 恒徳, 小谷 英太郎, 浅井 邦也

    日本循環器学会学術集会抄録集   88回   PJ108 - 4   2024.3

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  • 臨床各科 難渋症例から学ぶ診療のエッセンス(File 183) 脊髄梗塞を合併した急性大動脈解離

    諸岡 雅城, 時田 祐吉, 清水 渉

    日本医事新報   ( 5200 )   14 - 15   2023.12

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  • 心原性塞栓および担癌患者の凝固能亢進を背景とした再発性の急性下肢動脈閉塞に対して血管内治療で救肢し得た一例

    合田 浩紀, 國分 裕人, 諸岡 雅城, 宮國 知世, 池田 健, 栗原 理, 小林 宣明, 高野 雅充, 浅井 邦也

    日本心血管インターベンション治療学会抄録集   31回   MP75 - 5   2023.8

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  • 閉塞性肥大型心筋症に対する中隔縮小療法~PTSMAと中隔心筋切除術 カテーテル治療、外科手術、最適な選択は? 薬剤抵抗性閉塞性肥大型心筋症に対する経皮的中隔心筋焼灼術

    高野 仁司, 井守 洋一, 松田 淳也, 諸岡 雅城, 石原 翔, 小山 賢太郎, 時田 祐吉

    日本心血管インターベンション治療学会抄録集   30回   [S15 - 1]   2022.7

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  • アルコール中隔心筋焼灼術によるLV流出路狭窄の著明改善後も症状が持続する要因(Factors Affecting the Persistent Symptoms Even after the Significant Attenuation of LV Outflow Obstruction by Alcohol Septal Ablation)

    諸岡 雅城, 高野 仁司, 井守 洋一, 松田 淳也, 時田 祐吉, 福泉 偉, 野間 さつき, 久保田 芳明, 太良 修平, 宮地 秀樹, 山本 剛, 清水 渉

    日本循環器学会学術集会抄録集   85回   OJ28 - 8   2021.3

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  • アルコール中隔心筋焼灼術後に房室解離を伴う心原性ショックを合併した閉塞性肥大型心筋症に対するImpellaの使用(Impella use in patient with hypertrophic obstructive cardiomyopathy complicated by cardiogenic shock associated with atrioventricular disconnection after alcohol septal ablation)

    松田 淳也, 高野 仁司, 井守 洋一, 時田 祐吉, 諸岡 雅城, 塩村 玲子, 福泉 偉, 野間 さつき, 久保田 芳明, 小宮山 英徳, 中田 淳, 宮地 秀樹, 太良 修平, 山本 剛, 清水 渉

    日本心血管インターベンション治療学会抄録集   29回   1382 - 1382   2021.2

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  • 有効なPTSMA治療後に症状改善に至らなかった規定因子の解析

    諸岡 雅城, 高野 仁司, 井守 洋一, 松田 淳也, 時田 祐吉, 福泉 偉, 野間 さつき, 久保田 芳明, 中田 淳, 宮地 秀樹, 太良 修平, 山本 剛, 清水 渉

    日本心血管インターベンション治療学会抄録集   29回   1047 - 1047   2021.2

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  • 心不全を合併した十二指腸潰瘍穿孔に対しIABP挿入下に緊急開腹手術を施行した1例

    長嶺 嘉通, 向後 英樹, 牧野 浩司, 吉田 寛, 諸岡 雅城, 久野 将司, 畝本 恭子, 横堀 將司

    日本救急医学会雑誌   31 ( 11 )   2161 - 2161   2020.11

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  • 直接経口抗凝固薬により心筋梗塞後左室瘤内血栓の縮小を認めた1例

    島田 春貴, 鈴木 啓士, 諸岡 雅城, 佐藤 達志, 星加 優, 西 祐吾, 澁谷 淳介, 中野 博之, 森澤 太一郎, 小谷 英太郎

    日本内科学会関東地方会   662回   50 - 50   2020.9

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  • 僧帽弁の感染性心内膜炎治療後に大動脈弁に新規非感染性疣腫を発症した1例

    諸岡 雅城, 山本 哲平, 岩崎 雄樹, 佐藤 達志, 茂澤 幸右, 野間 さつき, 吉永 綾, 塚田 弥生, 浅井 邦也, 清水 渉

    日本内科学会関東地方会   634回   35 - 35   2017.7

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