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  1. Article ; Online: Atrial Tachycardia in the Coronary Sinus Communicating With Circumflex Artery Aneurysm.

    Itoh, Mitsuaki / Shimane, Akira / Takaya, Tomofumi / Kawai, Hiroya

    JACC. Case reports

    2024  Volume 29, Issue 10, Page(s) 102333

    Abstract: Coronary artery fistula is a rare anomaly, and localized re-entrant atrial tachycardia (AT) in the coronary sinus (CS) has rarely been reported. We report a case in a patient with a left circumflex artery aneurysm associated with the CS fistula who ... ...

    Abstract Coronary artery fistula is a rare anomaly, and localized re-entrant atrial tachycardia (AT) in the coronary sinus (CS) has rarely been reported. We report a case in a patient with a left circumflex artery aneurysm associated with the CS fistula who underwent radiofrequency catheter ablation for localized re-entrant AT, which originated from the CS.
    Language English
    Publishing date 2024-04-08
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2666-0849
    ISSN (online) 2666-0849
    DOI 10.1016/j.jaccas.2024.102333
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Intravascular findings post-PK Papyrus-covered stent implantation for a coronary artery aneurysm.

    Yamamoto, Hiroyuki / Miyata, Taishi / Kawai, Hiroya / Takaya, Tomofumi

    European heart journal. Case reports

    2023  Volume 7, Issue 5, Page(s) ytad215

    Language English
    Publishing date 2023-04-24
    Publishing country England
    Document type Case Reports
    ISSN 2514-2119
    ISSN (online) 2514-2119
    DOI 10.1093/ehjcr/ytad215
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Diagnostic Utility of a Transcatheter Bubble Test for Platypnea-Orthodeoxia Syndrome in Adult Congenital Heart Disease With Chronic Obstructive Pulmonary Disease.

    Yoshida, Chiaki / Yamamoto, Hiroyuki / Masumoto, Akiko / Kawai, Hiroya / Takaya, Tomofumi

    Circulation reports

    2023  Volume 5, Issue 3, Page(s) 97–98

    Language English
    Publishing date 2023-02-11
    Publishing country Japan
    Document type Journal Article
    ISSN 2434-0790
    ISSN (online) 2434-0790
    DOI 10.1253/circrep.CR-22-0119
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Pin-Hole Left Ventricular Rupture After Bailout Coil Embolization for Coronary Perforation in Severe Aortic Stenosis.

    Masuda, Mayuka / Tsukiyama, Yoshiro / Yamamoto, Hiroyuki / Kawai, Hiroya / Takaya, Tomofumi

    Circulation journal : official journal of the Japanese Circulation Society

    2023  Volume 87, Issue 11, Page(s) 1706

    MeSH term(s) Humans ; Heart Injuries/diagnostic imaging ; Heart Injuries/etiology ; Rupture ; Blood Vessel Prosthesis ; Aortic Valve Stenosis/diagnostic imaging ; Aortic Valve Stenosis/surgery ; Treatment Outcome
    Language English
    Publishing date 2023-10-07
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2068090-9
    ISSN 1347-4820 ; 1346-9843
    ISSN (online) 1347-4820
    ISSN 1346-9843
    DOI 10.1253/circj.CJ-23-0606
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Ui IV Zs.74: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
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  5. Article ; Online: Combined therapy with excimer laser coronary atherectomy and intracoronary thrombolysis for the management of massive thrombi in coronary aneurysms of post-Kawasaki disease myocardial infarction.

    Yamamoto, Hiroyuki / Takaya, Tomofumi / Oishi, Shogo / Kawai, Hiroya

    European heart journal. Case reports

    2022  Volume 6, Issue 5, Page(s) ytac186

    Language English
    Publishing date 2022-05-01
    Publishing country England
    Document type Case Reports
    ISSN 2514-2119
    ISSN (online) 2514-2119
    DOI 10.1093/ehjcr/ytac186
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Face Attribute Estimation Using Multi-Task Convolutional Neural Network.

    Kawai, Hiroya / Ito, Koichi / Aoki, Takafumi

    Journal of imaging

    2022  Volume 8, Issue 4

    Abstract: Face attribute estimation can be used for improving the accuracy of face recognition, customer analysis in marketing, image retrieval, video surveillance, and criminal investigation. The major methods for face attribute estimation are based on ... ...

    Abstract Face attribute estimation can be used for improving the accuracy of face recognition, customer analysis in marketing, image retrieval, video surveillance, and criminal investigation. The major methods for face attribute estimation are based on Convolutional Neural Networks (CNNs) that solve face attribute estimation as a multiple two-class classification problem. Although one feature extractor should be used for each attribute to explore the accuracy of attribute estimation, in most cases, one feature extractor is shared to estimate all face attributes for the parameter efficiency. This paper proposes a face attribute estimation method using Merged Multi-CNN (MM-CNN) to automatically optimize CNN structures for solving multiple binary classification problems to improve parameter efficiency and accuracy in face attribute estimation. We also propose a parameter reduction method called Convolutionalization for Parameter Reduction (CPR), which removes all fully connected layers from MM-CNNs. Through a set of experiments using the CelebA and LFW-a datasets, we demonstrate that MM-CNN with CPR exhibits higher efficiency of face attribute estimation in terms of estimation accuracy and the number of weight parameters than conventional methods.
    Language English
    Publishing date 2022-04-10
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2824270-1
    ISSN 2313-433X ; 2313-433X
    ISSN (online) 2313-433X
    ISSN 2313-433X
    DOI 10.3390/jimaging8040105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Utility of coronary orbital atherectomy with guide-extension system for distally located undilatable in-stent restenosis: A case report.

    Yamamoto, Hiroyuki / Sawada, Takahiro / Takaya, Tomofumi / Kawai, Hiroya

    Clinical case reports

    2022  Volume 10, Issue 5, Page(s) e05798

    Abstract: Orbital atherectomy (OA) may be effective in managing undilatable in-stent restenosis (ISR) despite off-label indications. We demonstrated that optical frequency domain imaging (OFDI)-guided OA, with a guide-extension system was effective even in ... ...

    Abstract Orbital atherectomy (OA) may be effective in managing undilatable in-stent restenosis (ISR) despite off-label indications. We demonstrated that optical frequency domain imaging (OFDI)-guided OA, with a guide-extension system was effective even in distally located, undilatable ISR. However, OFDI revealed that inter-struts calcified neoatherosclerosis remained a challenging issue.
    Language English
    Publishing date 2022-05-04
    Publishing country England
    Document type Case Reports
    ZDB-ID 2740234-4
    ISSN 2050-0904
    ISSN 2050-0904
    DOI 10.1002/ccr3.5798
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: ViperSlide-Induced Anaphylaxis: A Cautionary Complication During Orbital Atherectomy.

    Yamamoto, Hiroyuki / Takaya, Tomofumi / Sawada, Takahiro / Takahashi, Hachidai / Kawai, Hiroya

    JACC. Cardiovascular interventions

    2022  Volume 15, Issue 10, Page(s) e117–e118

    MeSH term(s) Anaphylaxis/chemically induced ; Anaphylaxis/diagnosis ; Atherectomy ; Atherectomy, Coronary ; Coronary Angiography ; Coronary Artery Disease ; Humans ; Percutaneous Coronary Intervention ; Retrospective Studies ; Severity of Illness Index ; Treatment Outcome ; Vascular Calcification
    Language English
    Publishing date 2022-04-27
    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.2022.02.008
    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:
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  9. Article ; Online: Isolated Renal Arteritis With Infarction Identified After SARS-CoV-2 Vaccine.

    Masumoto, Akiko / Yamamoto, Hiroyuki / Taniguchi, Yasuyo / Kawai, Hiroya / Takaya, Tomofumi

    Circulation journal : official journal of the Japanese Circulation Society

    2022  Volume 86, Issue 7, Page(s) 1144

    MeSH term(s) Arteritis ; COVID-19/prevention & control ; COVID-19 Vaccines/adverse effects ; Humans ; Infarction/etiology ; SARS-CoV-2
    Chemical Substances COVID-19 Vaccines
    Language English
    Publishing date 2022-01-29
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2068090-9
    ISSN 1347-4820 ; 1346-9843
    ISSN (online) 1347-4820
    ISSN 1346-9843
    DOI 10.1253/circj.CJ-21-1050
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Ui IV Zs.74: Show issues Location:
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  10. Article ; Online: Rare complications of Guideplus guide-extension catheter during complex percutaneous coronary intervention.

    Shoda, Mitsuhiko / Yamamoto, Hiroyuki / Tsukiyama, Yoshiro / Kawai, Hiroya / Takaya, Tomofumi

    Journal of cardiology cases

    2022  Volume 26, Issue 6, Page(s) 399–403

    Abstract: Guide-extension catheters (GECs) are effective in providing reinforced backup support and coaxial alignment, leading to successful complex percutaneous coronary intervention (PCI). However, several GEC-associated complications have been reported, ... ...

    Abstract Guide-extension catheters (GECs) are effective in providing reinforced backup support and coaxial alignment, leading to successful complex percutaneous coronary intervention (PCI). However, several GEC-associated complications have been reported, including coronary injuries, thrombotic events, and GEC fractures. The Guideplus GEC (Guideplus II ST; Nipro, Osaka, Japan) has a higher crossability due to its unique hydrophilic-coated soft cylinder, which is frequently used in complex PCI for diffuse, tortuous, and heavily calcified lesions. We describe two cases of Guideplus GEC-associated complications during complex PCI: Case 1 with a radiopaque marker dislodgement and Case 2 with a stent dislodgment. In both cases, the Guideplus GEC was used within 7-Fr guiding catheters, employing the mother-and-child technique. A large inner-catheter gap between these catheters caused by a positioning bias due to arterial bends (the aortic arch in Case 1 and brachiocephalic arterial bends in Case 2) may have caused these complications due to its interference with coronary devices (the trapping balloon in Case 1, and the scoring balloon in Case 2). Early cognition and management of these potential Guideplus GEC-associated complications are important to prevent further deterioration.
    Learning objectives: The Guideplus guide-extension catheter (GEC) with a hydrophilic-coated soft cylinder can deliver coronary devices to complex lesions owing to its high crossability. However, delivering coronary devices with the Guideplus GEC should be carefully performed because a large inner-catheter gap between Guideplus GEC and a guiding catheter may occur if a proximal port of the Guideplus GEC is located at an arterial bend. In such settings, Guideplus GEC-associated complications must be carefully observed, including radiopaque marker dislodgement and stent dislodgement.
    Language English
    Publishing date 2022-08-22
    Publishing country Japan
    Document type Case Reports
    ISSN 1878-5409
    ISSN (online) 1878-5409
    DOI 10.1016/j.jccase.2022.08.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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