Journal of Nihon University Medical Association
Online ISSN : 1884-0779
Print ISSN : 0029-0424
ISSN-L : 0029-0424
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Journal of Nihon University Medical Association
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Special Articles: Heart Failure
  • Akira Sezai
    2020 Volume 79 Issue 4 Pages 197
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
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  • Yoshihiro Aizawa
    2020 Volume 79 Issue 4 Pages 199-203
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    In 2018, The Japanese Circulation Society and The Japanese Heart Failure Society updated the Guidelines for Diagnosis and Treatment of Acute and Chronic Heart Failure. I provide a summary of these new guidelines. It is necessary that not only cardiologists but also noncardiologists understand the guidelines and join in the treatment of heart failure because the number of patients with heart failure will increase with aging in the future in Japan. Key words: heart failure, guidelines, stage of chronic heart failure
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  • Daisuke Fukamachi
    2020 Volume 79 Issue 4 Pages 205-207
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    In the cardiovascular disease area, heart failure is the final state, in which the function of the left and right ventricles decreases because of diseases such as ischemic heart disease, arrhythmia, and valvular disease, and proper systemic circulation cannot be provided for each organ. Among heart failure types, acute heart failure often occurs not only during the daytime but also at night, and a patient often arrives to the hospital with a severe condition. Acute heart failure it is treated using a specified protocol, and the cause of acute heart failure is sought at the time of treatment. In acute heart failure treatment, it is necessary to promptly stabilize respiratory status and circulatory dynamics after the admission. At the same time, the use of a two-pronged approach to the cause and stabilization of the patient’s conditions is required. At this time, we will mainly describe the treatment of acute heart failure based on Japanese guidelines. The current guidelines emphasize the importance of time allocation in the course of treatment. The guidelines indicate that the diagnosis should be made as early as possible. Furthermore, the guidelines list different diseases that cause acute heart failure. As a percutaneous implantation type of LVAD, which is a left ventricular assist device, IMPELLA has been available in Japan since 2017. IMPELLA assistance to systemic circulation, allows powerful circulation support to the whole body and unloads the left ventricle. In our hospital, this device saves many patients’ lives. The use of this device is expected to continue saving lives of patients with acute heart failure.
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  • Kazuto Toyama
    2020 Volume 79 Issue 4 Pages 209-215
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    Heart failure is a clinical syndrome, which is characterized by symptoms such as breathlessness, fatigue, and edema that appear as a result of decompensation in cardiac function, due to a structural and/or functional cardiac abnormality, and is accompanied by a decrease in exercise tolerance. Heart failure is a progressive and poor-prognosis syndrome, which thus requires not only drug treatment but also comprehensive medical treatment, such as diet therapy and exercise therapy, combined with cardiac rehabilitation. In addition, the number of elderly patients with heart failure will increase in the future, which is called a heart failure pandemic; therefore, it is necessary to provide medical care based on symptoms while also considering palliative medicine and views on life. Previously, The Japanese Circulation Society classified heart failure into acute and chronic categories, with specific guidelines for each. However, both acute and chronic conditions are considered a series of heart failure stages, and revisions have been made for early intervention based on heart failure stages. Regarding chronic phase management of heart failure, the treatment and evaluation method clinically change depending on left ventricular function, and the latest heart failure therapeutic agents are described with reference to the evidence. The targets of heart failure management are to prevent death and control heart failure hospitalizations, which are the endpoints of many large clinical trials, but it is also important to improve the exercise capacity and quality of life (QOL). The role of practitioners and medical cooperation with clinics are extremely important.
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  • Toshiko Nakai
    2020 Volume 79 Issue 4 Pages 217-220
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    The main treatment for heart failure (HF) is medication. However, in patients with severe HF, the ventricle expands, and intraventricular conduction disturbance occurs. Most commonly, left ventricular remodeling and left bundle branch block are detected. The conduction disturbance leads to a deviation in the timing of contraction between the right and left ventricles, referred to as cardiac dyssynchrony, with resultant deterioration in cardiac function. Cardiac resynchronization therapy has been developed to correct conduction disturbance and resynchronize cardiac contraction.
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  • Koichi Nagashima
    2020 Volume 79 Issue 4 Pages 221-224
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    This section provides new insights into rhythm control for atrial fibrillation in the era of a heart failure pandemic.
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  • Akira Sezai, Masashi Tanaka, Yasuo Okumura
    2020 Volume 79 Issue 4 Pages 225-229
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    A ventricular assist device (VAD) is an artificial organ that assists the function of the left and/or right ventricle of the heart in patients with severe heart failure. In 1982, our hospital was the first to achieve successful use of a VAD in Japan. There are still only 4 institutions in Tokyo to which accreditation was granted for the use of implantable VADs. We would like to present our current clinical experience with VAD therapy and future prospects. The INTERMACS registry includes 25,087 patients who underwent VAD therapy as of May 2020, while the J-MACS registry (Japan) includes 945 patients as of June 2019. Recent reports have indicated that a drastic shift occurred from pulsatile pumps to continuous flow pumps and that the timing of implantation also changed, i.e., earlier implantation in mild patients or at a high INTERMACS level. This is a global trend. More than 6 decades have elapsed since the introduction of VADs. With advancement in a cutting-edge technology, VAD therapy has become an important treatment option for severe heart failure. In Western countries, implantable VADs are regarded as an alternative to heart transplantation, and the bridge to transplantation ratio has declined while the destination therapy (DT) ratio has increased. Since it is anticipated that DT will be approved in Japan in a few years, it is expected that DT will become popular in Japan, where heart transplantation is infrequently conducted.
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  • Hisakuni Sekino
    2020 Volume 79 Issue 4 Pages 231-234
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    I report the effects of and a program and instructions for cardiac rehabilitation and the current status of cardiac rehabilitation for heart failure at our hospital.
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  • Daisuke Kitano
    2020 Volume 79 Issue 4 Pages 235-239
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    Globally, the number of patients with heart failure is rapidly increasing. The prognosis of patients with heart failure is unfavorable, resulting in a decline in their quality of life. Therefore, in addition to heart failure treatment, a multifaceted intervention for patients with heart failure is needed from an early stage. In this context, palliative care for heart failure is different from end-of-life care. This section discusses palliative care for heart failure, including advance care planning
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  • Akira Sezai, Tadateru Takayama
    2020 Volume 79 Issue 4 Pages 241-245
    Published: August 01, 2020
    Released: September 30, 2020
    JOURNALS FREE ACCESS
    Japan is at the forefront of super-aging societies worldwide, and a “heart failure pandemic (HF)” is predicted for the near future under the current medical system. This “pandemic” is not temporary but ongoing. We need to work hard to prevent and treat HF throughout the region. We report the importance of regional cooperation for preparedness for a HF pandemic and our University activities. Our hospital established a HF team and conducted regional collaborative activities. Since December 2018, the heart failure team has been upgraded with hospital support and going the following; 1) After the establishment of the heart failure nursing clinic within the heart failure outpatient clinic. 2) HF case conference. 3) HF interdisciplinary conference. 4) Ventricular Assist Device conference. 5) Establishment of study groups in each local medical association (Itabashi, Toshima, Nerima, and Kita). 6) Lecture activities at each branch of the Alumni Association of Nihon University School of Medicine. 7) Mobilization of doctors to each facility. 8) Outpatient hANP treatment was conducted as a multi-center study. 9) continuous positive airway pressure (CPAP) or adaptive servo ventilation (ASV) was actively conducted. 10) Medical Care Stations, a social networking service (SNS) for medical fields, were introduced. 11) HF Registry (SAKURA-HF). To prepare for a HF pandemic, it is important to clarify the role of each facility and share information when engaging in treatment and prevention. University hospitals should take leadership to establish regional collaborations for HF. Information and communication technology (ICT) is considered an effective tool to strengthen such collaboration.
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