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  1. Article: Familial cryptogenic stroke.

    Takafuji, Hiroya / Kobayashi, Tetsuya / Kato, Nahoko / Obunai, Kotaro

    Clinical case reports

    2024  Volume 12, Issue 5, Page(s) e8846

    Abstract: Familial cryptogenic stroke associated with atrial septal defect and patent foramen ovale is rare. The presence of a family history of cryptogenic stroke may lead to the requirement for careful follow-up for younger family members. ...

    Abstract Familial cryptogenic stroke associated with atrial septal defect and patent foramen ovale is rare. The presence of a family history of cryptogenic stroke may lead to the requirement for careful follow-up for younger family members.
    Language English
    Publishing date 2024-04-26
    Publishing country England
    Document type Case Reports
    ZDB-ID 2740234-4
    ISSN 2050-0904
    ISSN 2050-0904
    DOI 10.1002/ccr3.8846
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Carotid Web and High-Risk Patent Foramen Ovale With Cryptogenic Stroke.

    Takafuji, Hiroya / Obunai, Kotaro / Makihara, Yu / Kato, Nahoko / Watanabe, Hiroyuki

    JACC. Cardiovascular interventions

    2024  

    Language English
    Publishing date 2024-02-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2452157-7
    ISSN 1876-7605 ; 1936-8798
    ISSN (online) 1876-7605
    ISSN 1936-8798
    DOI 10.1016/j.jcin.2024.01.312
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6669: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  3. Article ; Online: Acute ischaemic stroke attributed to multiple atrial cardioembolic sources.

    Takafuji, Hiroya / Ito, Joji / Kobayashi, Tetsuya / Obunai, Kotaro

    European heart journal. Case reports

    2023  Volume 7, Issue 11, Page(s) ytad522

    Language English
    Publishing date 2023-10-18
    Publishing country England
    Document type Case Reports
    ISSN 2514-2119
    ISSN (online) 2514-2119
    DOI 10.1093/ehjcr/ytad522
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Congenital abnormalities of heart and kidney.

    Takafuji, Hiroya / Kato, Nahoko / Azumi, Yuta / Obunai, Kotaro

    Clinical case reports

    2023  Volume 11, Issue 4, Page(s) e7158

    Abstract: Patients with congenital anomalies of the kidney and urinary tract (CAKUT) may be at risk for congenital cardiac defects or cardiomyopathies as comorbidities. It is crucial to recognize the coexistence of cardiac abnormalities and CAKUT and recommend ... ...

    Abstract Patients with congenital anomalies of the kidney and urinary tract (CAKUT) may be at risk for congenital cardiac defects or cardiomyopathies as comorbidities. It is crucial to recognize the coexistence of cardiac abnormalities and CAKUT and recommend screening for cardiac involvement in CAKUT patients using echocardiography.
    Language English
    Publishing date 2023-03-30
    Publishing country England
    Document type Case Reports
    ZDB-ID 2740234-4
    ISSN 2050-0904
    ISSN 2050-0904
    DOI 10.1002/ccr3.7158
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Percutaneous closure of severe calcified patent ductus arteriosus with two amplatzer devices.

    Takafuji, Hiroya / Muraishi, Makio / Obunai, Kotaro

    The Journal of invasive cardiology

    2023  Volume 35, Issue 7, Page(s) E385–E388

    Abstract: An 89-year-old woman was referred for closure of a patent ductus arteriosus (PDA). Contrast-computed tomography showed Krichenko type C PDA with severe calcification (Figure 1). Initial angiography revealed severe calcification of the PDA (Figure 2, ... ...

    Abstract An 89-year-old woman was referred for closure of a patent ductus arteriosus (PDA). Contrast-computed tomography showed Krichenko type C PDA with severe calcification (Figure 1). Initial angiography revealed severe calcification of the PDA (Figure 2, Video 1), and the mid-ductus diameter was 6 mm and the ductus length was 14 mm..
    MeSH term(s) Aged, 80 and over ; Female ; Humans ; Angiography ; Calcinosis/diagnosis ; Calcinosis/surgery ; Cardiac Catheterization/methods ; Ductus Arteriosus, Patent/diagnosis ; Ductus Arteriosus, Patent/surgery ; Septal Occluder Device ; Tomography, X-Ray Computed ; Treatment Outcome
    Language English
    Publishing date 2023-09-27
    Publishing country United States
    Document type Case Reports ; Journal Article ; Video-Audio Media
    ZDB-ID 1154372-3
    ISSN 1557-2501 ; 1042-3931
    ISSN (online) 1557-2501
    ISSN 1042-3931
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3701: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MO 272: Show issues
    Zs.MG 31: Show issues

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  6. Article ; Online: Cyanosis in atrial septal defect with prominent crista terminalis.

    Takafuji, Hiroya / Amano, Hidewo / Obunai, Kotaro

    Cardiology in the young

    2023  Volume 33, Issue 2, Page(s) 306–308

    Abstract: Right-to-left shunt in atrial septal defect without pulmonary hypertension is a rare condition and can present with complications such as cyanosis. This is a rare case of cyanosis caused by right-to-left shunt atrial septal defect related to prominent ... ...

    Abstract Right-to-left shunt in atrial septal defect without pulmonary hypertension is a rare condition and can present with complications such as cyanosis. This is a rare case of cyanosis caused by right-to-left shunt atrial septal defect related to prominent crista terminalis.
    MeSH term(s) Humans ; Septal Occluder Device/adverse effects ; Heart Septal Defects, Atrial/complications ; Heart Septal Defects, Atrial/diagnosis ; Heart Atria ; Hypertension, Pulmonary/complications ; Cyanosis/complications ; Cardiac Catheterization/adverse effects
    Language English
    Publishing date 2023-01-17
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 1078466-4
    ISSN 1467-1107 ; 1047-9511
    ISSN (online) 1467-1107
    ISSN 1047-9511
    DOI 10.1017/S1047951122004255
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4050: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  7. Article ; Online: Cryptogenic stroke caused by patent foramen ovale with thrombophilia and accessory tricuspid valve in a teenager.

    Takafuji, Hiroya / Kato, Nahoko / Obunai, Kotaro

    Cardiology in the young

    2022  , Page(s) 1–2

    Abstract: Accessory tricuspid valve is rare congenital abnormality. We describe a case of cryptogenic stroke in teenager boy caused by patent foramen ovale with thrombophilia and accessory tricuspid valve. ...

    Abstract Accessory tricuspid valve is rare congenital abnormality. We describe a case of cryptogenic stroke in teenager boy caused by patent foramen ovale with thrombophilia and accessory tricuspid valve.
    Language English
    Publishing date 2022-02-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 1078466-4
    ISSN 1467-1107 ; 1047-9511
    ISSN (online) 1467-1107
    ISSN 1047-9511
    DOI 10.1017/S1047951122000518
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4050: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  8. Article ; Online: Acute coronary syndrome of the left main coronary artery caused by a huge floating thrombus in the ascending aorta: a case report of intravascular ultrasound effectiveness.

    Takafuji, Hiroya / Nakama, Tatsuya / Asano, Kazuhiro / Obunai, Kotaro

    European heart journal. Case reports

    2021  Volume 5, Issue 8, Page(s) ytab279

    Abstract: Background: Left main coronary artery (LMCA)-acute coronary syndrome (ACS) is a rare complication of a floating thrombus in the ascending aorta. However, diagnosing the aetiology of LMCA-ACS during an emergency situation is challenging. We present a ... ...

    Abstract Background: Left main coronary artery (LMCA)-acute coronary syndrome (ACS) is a rare complication of a floating thrombus in the ascending aorta. However, diagnosing the aetiology of LMCA-ACS during an emergency situation is challenging. We present a rare case of LMCA-ACS caused by a large thrombus in the ascending aorta, confirmed by intravascular ultrasound (IVUS).
    Case summary: A 90-year-old woman presented to the emergency department complaining of chest pain and syncope. On admission, her electrocardiogram showed normal sinus rhythm and a complete right bundle branch block with significant ST depression in the V3-V6 leads; hence, ACS was suspected. The first emergency angiogram of the left coronary artery showed filling defect in the proximal ascending aorta. IVUS revealed a large thrombus in the ascending aorta. The thrombus extended from the ascending aorta to the proximal left anterior descending coronary artery. IVUS confirmed that there was no dissection of the coronary artery or the proximal ascending aorta. Based on the IVUS findings, this case was diagnosed as ACS of the LMCA caused by a floating thrombus in the ascending aorta.
    Discussion: This rare case of LMCA-ACS caused by a thrombus in the ascending aorta was confirmed by IVUS, which can be a useful imaging tool for diagnosing morphological abnormalities during emergencies.
    Language English
    Publishing date 2021-08-15
    Publishing country England
    Document type Case Reports
    ISSN 2514-2119
    ISSN (online) 2514-2119
    DOI 10.1093/ehjcr/ytab279
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Paradoxical Embolism of Stroke-Related Patent Foramen Ovale in a Nonagenarian Woman.

    Takafuji, Hiroya / Ogura, Riyo / Izumi, Tomoko / Hosokawa, Shinobu

    Journal of cardiovascular echography

    2020  Volume 29, Issue 4, Page(s) 172–174

    Abstract: There are few clinical reports of elderly patients with paradoxical embolism in the current literature. Herein, we describe the case of a nonagenarian patient with paradoxical embolism of stroke-related patent foramen ovale (PFO). A 95-year-old woman was ...

    Abstract There are few clinical reports of elderly patients with paradoxical embolism in the current literature. Herein, we describe the case of a nonagenarian patient with paradoxical embolism of stroke-related patent foramen ovale (PFO). A 95-year-old woman was admitted to our hospital because of dysarthria. Her medical history included cerebral infarction, hypertension, and dyslipidemia. Magnetic resonance imaging performed in the emergency room revealed cerebral infarction of the left temporal lobe. After hospitalization in the neurosurgery department, we performed further clinical investigations to diagnose the type of stroke. There was no significant stenosis with plaque of the carotid and cerebral arteries, and there were no sources of cardiac embolism or an episode of atrial arrhythmia. Transesophageal echocardiography (TEE) showed PFO with separation and the Eustachian valve. In addition, spontaneous bidirectional shunt flow through the PFO was detected by TEE with the patient at rest. Ultrasonography of the leg vein revealed a thrombus in the deep vein. Therefore, she was diagnosed as having paradoxical embolism of stroke-related PFO and prescribed a direct oral anticoagulant (DOAC). This very rare case in which stroke-related PFO was diagnosed in a nonagenarian patient demonstrates that PFO is the cause of paradoxical embolism of stroke regardless of age.
    Language English
    Publishing date 2020-02-05
    Publishing country India
    Document type Case Reports
    ZDB-ID 2734045-4
    ISSN 2347-193X ; 2211-4122
    ISSN (online) 2347-193X
    ISSN 2211-4122
    DOI 10.4103/jcecho.jcecho_35_19
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Reverse takotsubo cardiomyopathy caused by patent foramen ovale-related cryptogenic stroke: a case report.

    Takafuji, Hiroya / Arai, Junya / Saigusa, Kuniyasu / Obunai, Kotaro

    European heart journal. Case reports

    2020  Volume 4, Issue 6, Page(s) 1–6

    Abstract: Background: Reverse takotsubo cardiomyopathy (rTTC) is recognized as an atypical type of TTC. It has been suggested that neurological events are typical trigger of rTTC, especially in young individuals.: Case summary: In this case report, we describe ...

    Abstract Background: Reverse takotsubo cardiomyopathy (rTTC) is recognized as an atypical type of TTC. It has been suggested that neurological events are typical trigger of rTTC, especially in young individuals.
    Case summary: In this case report, we describe a 16-year-girl who presented with neurological deficits due to embolic stroke and acute heart failure. Transthoracic echocardiography on admission revealed a severely reduced left ventricular (LV) function with akinesis of basal to mid LV, but normal contraction in apex. Coronary computed tomography angiography confirmed unobstructed coronary arteries. Two weeks later, her LV wall motion and ejection fraction were completely normalized. Transthoracic echocardiography and transoesophageal echocardiography demonstrated no evidence of intracardiac thrombus but showed a patent foramen ovale (PFO) with large shunt. After thorough work-up and brain-heart team discussion, we concluded that the patient developed rTTC due to cryptogenic stroke related with her PFO. She underwent percutaneous PFO closure for secondary prevention with good clinical course.
    Discussion: Reverse TTC is a rare condition. It should be considered in stroke patients with acute heart failure. Quick diagnosis and management with brain-heart team is crucial for better prognosis.
    Language English
    Publishing date 2020-12-07
    Publishing country England
    Document type Journal Article
    ISSN 2514-2119
    ISSN (online) 2514-2119
    DOI 10.1093/ehjcr/ytaa407
    Database MEDical Literature Analysis and Retrieval System OnLINE

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