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  1. Article: [Series: Emergency medical care physicians are needed; prevention is better than cure; rapid response system in Japan].

    Taniguchi, Yasuyo

    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine

    2014  Volume 103, Issue 6, Page(s) 1411–1416

    MeSH term(s) Emergency Treatment ; Hospitals ; Japan ; Physician's Role ; Time Factors
    Language Japanese
    Publishing date 2014-08-20
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.103.1411
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  2. 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
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  3. Article: [Series: let's think-clinical quiz (question); A case of progressive malaise and edema accompanied by worsening of the control of hypertentia].

    Taniguchi, Yasuyo

    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine

    2012  Volume 101, Issue 4, Page(s) 1110–1, 1150–2

    MeSH term(s) Aged ; Female ; Hashimoto Disease/diagnosis ; Humans ; Hypertension/etiology ; Hypothyroidism/complications ; Hypothyroidism/diagnosis ; Hypothyroidism/drug therapy
    Language Japanese
    Publishing date 2012-06-21
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.101.1110
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  4. Article ; Online: Efficacy of Native T

    Tsunamoto, Hiroshi / Yamamoto, Hiroyuki / Masumoto, Akiko / Taniguchi, Yasuyo / Takahashi, Nobuyuki / Onishi, Tetsuari / Takaya, Tomofumi / Kawai, Hiroya / Hirata, Ken-Ichi / Tanaka, Hidekazu

    Circulation journal : official journal of the Japanese Circulation Society

    2024  Volume 88, Issue 4, Page(s) 519–527

    Abstract: Background: We investigated the efficacy of left ventricular (LV) myocardial damage by native T: Conclusions: Assessment of baseline LV myocardial damage based on native ... ...

    Abstract Background: We investigated the efficacy of left ventricular (LV) myocardial damage by native T
    Conclusions: Assessment of baseline LV myocardial damage based on native T
    MeSH term(s) Humans ; Mitral Valve Insufficiency/diagnostic imaging ; Mitral Valve Insufficiency/surgery ; Heart Ventricles ; Heart ; Contrast Media ; Heart Failure ; Cardiomyopathies/diagnostic imaging ; Treatment Outcome ; Heart Valve Prosthesis Implantation
    Chemical Substances Contrast Media
    Language English
    Publishing date 2024-02-15
    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-23-0777
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  5. Article ; Online: Late gadolinium enhancement on cardiac magnetic resonance combined with 123I- metaiodobenzylguanidine scintigraphy strongly predicts long-term clinical outcome in patients with dilated cardiomyopathy.

    Chimura, Misato / Yamada, Shinichiro / Taniguchi, Yasuyo / Yasaka, Yoshinori / Kawai, Hiroya

    PloS one

    2019  Volume 14, Issue 6, Page(s) e0217865

    Abstract: Late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) is limited in its ability to detect diffuse interstitial fibrosis, which is commonly found in idiopathic dilated cardiomyopathy (DCM). On the other hand, Washout rate (WR) by cardiac ... ...

    Abstract Late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) is limited in its ability to detect diffuse interstitial fibrosis, which is commonly found in idiopathic dilated cardiomyopathy (DCM). On the other hand, Washout rate (WR) by cardiac 123I- metaiodobenzylguanidine (123I-MIBG) scintigraphy which evaluates cardiac sympathetic nervous function, is a useful tool for predicting the prognosis in DCM. We investigated the predictive value of the combination of two different types of examinations, LGE on CMR and WR by 123I-MIBG scintigraphy for outcomes in DCM compared with LGE alone. One-hundred forty-eight DCM patients underwent CMR and 123I-MIBG scintigraphy. Patients were divided into 4 groups according to the presence or absence of LGE and WR cut-off value of 45% for predicting prognosis based on receiver operating characteristic curve analysis. Cardiac deaths, re-hospitalization for heart failure, implantation of a left ventricular assist device, and life-threatening ventricular arrhythmias were defined as clinical events. Forty-two DCM patients reached the clinical events during the median follow-up for 9.1 years (interquartile range, 8.0-9.2 years).Multivariable Cox regression analysis identified WR≥45%+LGE positive group as an independent predictor of cardiac events (HR 3.18, 95%CI 1.36-7.45, p = 0.008). Notably, there was no significance in the cardiac event-free survival rate between the WR<45%+LGE positive and WR≥45%+LGE negative groups (p = 0.89). The combination of WR by 123I-MIBG scintigraphy and LGE on CMR, which evaluate different type of cardiac deterioration, serves as a stronger predictor of long-term outcomes in DCM patients than LGE alone.
    MeSH term(s) 3-Iodobenzylguanidine/administration & dosage ; Adult ; Aged ; Cardiomyopathy, Dilated/diagnostic imaging ; Cardiomyopathy, Dilated/physiopathology ; Cohort Studies ; Contrast Media/administration & dosage ; Female ; Gadolinium/administration & dosage ; Humans ; Iodine Radioisotopes/administration & dosage ; Magnetic Resonance Imaging/methods ; Male ; Middle Aged ; Radionuclide Imaging ; Survival Rate ; Treatment Outcome
    Chemical Substances Contrast Media ; Iodine Radioisotopes ; 3-Iodobenzylguanidine (35MRW7B4AD) ; Iodine-123 (8YWR746RPQ) ; Gadolinium (AU0V1LM3JT)
    Language English
    Publishing date 2019-06-20
    Publishing country United States
    Document type Journal Article
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0217865
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  6. Article ; Online: Prognostic Implications of Sarcoidosis Granulomas - Insights From the Multicenter Registry, the Japanese Cardiac Sarcoidosis Prognostic Study.

    Yoshida, Shohei / Nakata, Tomoaki / Naya, Masanao / Momose, Mitsuru / Taniguchi, Yasuyo / Fukushima, Yoshimitsu / Moroi, Masao / Okizaki, Atsutaka / Hashimoto, Akiyoshi / Kiko, Takatoyo / Hida, Satoshi / Takehana, Kazuya / Nakajima, Kenichi

    Circulation reports

    2023  Volume 5, Issue 6, Page(s) 252–259

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2023-04-28
    Publishing country Japan
    Document type Journal Article
    ISSN 2434-0790
    ISSN (online) 2434-0790
    DOI 10.1253/circrep.CR-23-0031
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  7. Article ; Online: Comparison of conventional and cadmium-zinc-telluride single-photon emission computed tomography for analysis of thallium-201 myocardial perfusion imaging: an exploratory study in normal databases for different ethnicities.

    Ishihara, Masaru / Onoguchi, Masahisa / Taniguchi, Yasuyo / Shibutani, Takayuki

    The international journal of cardiovascular imaging

    2017  Volume 33, Issue 12, Page(s) 2057–2066

    Abstract: The aim of this study was to clarify the differences in thallium-201-chloride (thallium-201) myocardial perfusion imaging (MPI) scans evaluated by conventional anger-type single-photon emission computed tomography (conventional SPECT) versus cadmium-zinc- ...

    Abstract The aim of this study was to clarify the differences in thallium-201-chloride (thallium-201) myocardial perfusion imaging (MPI) scans evaluated by conventional anger-type single-photon emission computed tomography (conventional SPECT) versus cadmium-zinc-telluride SPECT (CZT SPECT) imaging in normal databases for different ethnic groups. MPI scans from 81 consecutive Japanese patients were examined using conventional SPECT and CZT SPECT and analyzed with the pre-installed quantitative perfusion SPECT (QPS) software. We compared the summed stress score (SSS), summed rest score (SRS), and summed difference score (SDS) for the two SPECT devices. For a normal MPI reference, we usually use Japanese databases for MPI created by the Japanese Society of Nuclear Medicine, which can be used with conventional SPECT but not with CZT SPECT. In this study, we used new Japanese normal databases constructed in our institution to compare conventional and CZT SPECT. Compared with conventional SPECT, CZT SPECT showed lower SSS (p < 0.001), SRS (p = 0.001), and SDS (p = 0.189) using the pre-installed SPECT database. In contrast, CZT SPECT showed no significant difference from conventional SPECT in QPS analysis using the normal databases from our institution. Myocardial perfusion analyses by CZT SPECT should be evaluated using normal databases based on the ethnic group being evaluated.
    Language English
    Publishing date 2017-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2055311-0
    ISSN 1875-8312 ; 1573-0743 ; 1569-5794 ; 0167-9899
    ISSN (online) 1875-8312 ; 1573-0743
    ISSN 1569-5794 ; 0167-9899
    DOI 10.1007/s10554-017-1205-0
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  8. Article ; Online: Optimal thallium-201 dose in cadmium-zinc-telluride SPECT myocardial perfusion imaging.

    Ishihara, Masaru / Taniguchi, Yasuyo / Onoguchi, Masahisa / Shibutani, Takayuki

    Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology

    2016  Volume 25, Issue 3, Page(s) 947–954

    Abstract: Background: We aimed to determine the optimal thallium 201 chloride (thallium-201) dose using a novel ultrafast cardiac gamma camera with cadmium-zinc-telluride (CZT) solid-state semiconductor detectors (D-SPECT).: Methods and results: The optimal ... ...

    Abstract Background: We aimed to determine the optimal thallium 201 chloride (thallium-201) dose using a novel ultrafast cardiac gamma camera with cadmium-zinc-telluride (CZT) solid-state semiconductor detectors (D-SPECT).
    Methods and results: The optimal thallium-201 dose for obtaining left ventricular (LV) myocardial counts was determined from a phantom study. Consecutive 292 patients underwent stress myocardial perfusion imaging with a thallium-201 injection. Stress test comprised exercise or pharmacological (adenosine) provocation. We calculated an optimal thallium-201 dose that resulted in better LV myocardial counts during 6 minutes of acquisition time. We corrected the respective values according to the patient's age, sex, body mass index (BMI), and type of stress test. The lowest thallium-201 dose for obtaining acceptable imaging was 1.2 million counts. Radiopharmaceutical doses showed a positive correlation with the patient's age (P < .001), sex (P = .012), BMI (P < .001), and type of stress test (P < .001). Multivariate analysis revealed that the patient's BMI and the type of stress test were statistically significant factors for determining the correct radiopharmaceutical dose (P < .001 for both).
    Conclusions: For clinical use of the CZT SPECT system, the optimal individual thallium-201 doses can be determined based on the patient's BMI and type of stress test.
    MeSH term(s) Aged ; Aged, 80 and over ; Cadmium ; Coronary Artery Disease/diagnostic imaging ; Coronary Artery Disease/physiopathology ; Exercise Test ; Female ; Humans ; Male ; Middle Aged ; Myocardial Perfusion Imaging ; Phantoms, Imaging ; Radiopharmaceuticals/administration & dosage ; Tellurium ; Thallium Radioisotopes/administration & dosage ; Tomography, Emission-Computed, Single-Photon ; Ventricular Function, Left/physiology ; Zinc
    Chemical Substances CdZnTe ; Radiopharmaceuticals ; Thallium Radioisotopes ; Cadmium (00BH33GNGH) ; Thallium-201 (H91Z8HBK1B) ; Zinc (J41CSQ7QDS) ; Tellurium (NQA0O090ZJ)
    Language English
    Publishing date 2016-12-22
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1212505-2
    ISSN 1532-6551 ; 1071-3581
    ISSN (online) 1532-6551
    ISSN 1071-3581
    DOI 10.1007/s12350-016-0749-z
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  9. Article ; Online: Histopathological Characterization of High-Intensity Signals in Coronary Plaques on Noncontrast T1-Weighted Magnetic Resonance Imaging.

    Uzu, Kenzo / Kawakami, Rika / Sawada, Takahiro / Takaya, Tomofumi / Taniguchi, Yasuyo / Hirota, Seiichi / Fujii, Kenichi / Yasaka, Yoshinori / Kawai, Hiroya

    JACC. Cardiovascular imaging

    2020  Volume 14, Issue 2, Page(s) 518–519

    MeSH term(s) Heart ; Humans ; Magnetic Resonance Imaging ; Plaque, Atherosclerotic ; Predictive Value of Tests
    Language English
    Publishing date 2020-11-18
    Publishing country United States
    Document type Letter
    ZDB-ID 2491503-8
    ISSN 1876-7591 ; 1936-878X
    ISSN (online) 1876-7591
    ISSN 1936-878X
    DOI 10.1016/j.jcmg.2020.08.031
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  10. Article ; Online: Non-contrast coronary artery wall and plaque imaging using inversion-recovery prepared steady-state free precession.

    Ishimoto, Takeshi / Taniguchi, Yasuyo / Miyati, Tosiaki / Kawakami, Momoe / Ishihara, Masaru

    BMC medical imaging

    2015  Volume 15, Page(s) 26

    Abstract: Background: The objective of this study was to investigate whether three-dimensional (3D) single inversion-recovery prepared steady-state free precession (IR-SSFP) could characterize the coronary artery wall.: Methods: IR-SSFP was scanned on a 1.5-T ... ...

    Abstract Background: The objective of this study was to investigate whether three-dimensional (3D) single inversion-recovery prepared steady-state free precession (IR-SSFP) could characterize the coronary artery wall.
    Methods: IR-SSFP was scanned on a 1.5-T MR scanner with a five element cardiac coil. One hundred and twenty-one subjects with known or suspected coronary artery disease who had undergone X-ray coronary angiography (XCA) underwent coronary artery wall imaging using IR-SSFP sequences. In each coronary segment, the detection of the coronary wall was categorized, and contrast (signal of plaque minus signal of blood in the aorta divided by the signal of plaque plus signal of blood in the aorta) was calculated.
    Results: 422 of 517 segments (82%) were successfully visualized, and the detection scores tended to be higher at the proximal coronary artery when compared with other segments of the coronary artery. High contrast (contrast≥0.75) areas were observed in 62 of 218 segments with ≥50% coronary artery stenosis by XCA but also in 25 of 299 segments without ≥50% coronary stenosis.
    Conclusions: IR-SSFP provided good visualization of the coronary wall. This approach represents a promising noninvasive strategy for the assessment of the coronary artery wall.
    MeSH term(s) Aged ; Aged, 80 and over ; Algorithms ; Coronary Artery Disease/pathology ; Coronary Vessels/pathology ; Female ; Humans ; Image Enhancement/methods ; Image Interpretation, Computer-Assisted/methods ; Imaging, Three-Dimensional/methods ; Magnetic Resonance Angiography/methods ; Male ; Middle Aged ; Reproducibility of Results ; Sensitivity and Specificity
    Language English
    Publishing date 2015-07-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 2061975-3
    ISSN 1471-2342 ; 1471-2342
    ISSN (online) 1471-2342
    ISSN 1471-2342
    DOI 10.1186/s12880-015-0071-2
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