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  1. Article: [Disaster Action Card at Hospitals and Clinics].

    Anan, Hideaki

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

    2018  Volume 105, Issue 10, Page(s) 2063–2066

    MeSH term(s) Communication ; Disaster Planning ; Hospitals ; Risk Factors ; Safety
    Language Japanese
    Publishing date 2018-09-04
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
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  2. Article: [The Cutting-edge of Medicine; Disaster medical and internal medicine--Knowledge and activities in the event of a disaster, which is expected to physician].

    Anan, Hideaki

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

    2015  Volume 104, Issue 6, Page(s) 1189–1196

    MeSH term(s) Disasters ; Emergency Shelter ; Internal Medicine/methods ; Knowledge ; Physician's Role
    Language Japanese
    Publishing date 2015-10-19
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.104.1189
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: [Series: Physicians and Disaster Medical Care; The past history of the Disaster Medical Working Group of the Japanese Society of Internal Medicine].

    Anan, Hideaki

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

    2015  Volume 104, Issue 4, Page(s) 803–807

    MeSH term(s) Disaster Medicine/history ; Earthquakes ; Guidelines as Topic ; History, 21st Century ; Physician's Role
    Language Japanese
    Publishing date 2015-10-05
    Publishing country Japan
    Document type Historical Article ; Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.104.803
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  4. Article ; Online: SARS-CoV-2 Delta AY.1 Variant Cluster in an Accommodation Facility for COVID-19: Cluster Report.

    Ohishi, Takayuki / Yamagishi, Takuya / Kurosu, Hitomi / Kato, Hideaki / Takayama, Yoko / Anan, Hideaki / Kunishima, Hiroyuki

    International journal of environmental research and public health

    2022  Volume 19, Issue 15

    Abstract: Background: This study aimed to examine the cause of and effective measures against cluster infections, including the delta AY.1 variant of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in an accommodation facility.: ...

    Abstract Background: This study aimed to examine the cause of and effective measures against cluster infections, including the delta AY.1 variant of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in an accommodation facility.
    Methods: We surveyed the zoning and ventilation systems of the cluster accommodation, examined the staff's working conditions, conducted an interview, and administered a SARS-CoV-2 test (positive samples were further tested with molecular biological test).
    Results: Among the 99 employees working at the accommodation, 10 were infected with the delta AY.1 variant. The causes of the cluster infections were close-distance conversations without an unwoven-three-layer mask and contact for approximately five minutes with an unwoven mask under hypoventilated conditions.
    Conclusions: The Delta AY.1 infection may occur via aerosols and an unwoven mask might not prevent infection in poorly ventilated small spaces. Routine infection detection and responding quickly and appropriately to positive results helps to prevent clusters from spreading.
    MeSH term(s) COVID-19/epidemiology ; Humans ; Respiratory Aerosols and Droplets ; SARS-CoV-2/genetics
    Language English
    Publishing date 2022-07-28
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2175195-X
    ISSN 1660-4601 ; 1661-7827
    ISSN (online) 1660-4601
    ISSN 1661-7827
    DOI 10.3390/ijerph19159270
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  5. Article: [Series: Physicians and disaster medical care; Third stage, Management and education for disaster medicine: what is the education on disaster medicine and how can we learn it?].

    Anan, Hideaki

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

    2014  Volume 103, Issue 6, Page(s) 1433–1437

    MeSH term(s) Disaster Medicine ; Disaster Planning ; Emergency Medical Services ; Japan ; Physician's Role
    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.103.1433
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  6. Article ; Online: SARS-CoV-2 Delta AY.1 Variant Cluster in an Accommodation Facility for COVID-19

    Takayuki Ohishi / Takuya Yamagishi / Hitomi Kurosu / Hideaki Kato / Yoko Takayama / Hideaki Anan / Hiroyuki Kunishima

    International Journal of Environmental Research and Public Health, Vol 19, Iss 9270, p

    Cluster Report

    2022  Volume 9270

    Abstract: Background: This study aimed to examine the cause of and effective measures against cluster infections, including the delta AY.1 variant of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in an accommodation facility. ... ...

    Abstract Background: This study aimed to examine the cause of and effective measures against cluster infections, including the delta AY.1 variant of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in an accommodation facility. Methods: We surveyed the zoning and ventilation systems of the cluster accommodation, examined the staff’s working conditions, conducted an interview, and administered a SARS-CoV-2 test (positive samples were further tested with molecular biological test). Results: Among the 99 employees working at the accommodation, 10 were infected with the delta AY.1 variant. The causes of the cluster infections were close-distance conversations without an unwoven-three-layer mask and contact for approximately five minutes with an unwoven mask under hypoventilated conditions. Conclusions: The Delta AY.1 infection may occur via aerosols and an unwoven mask might not prevent infection in poorly ventilated small spaces. Routine infection detection and responding quickly and appropriately to positive results helps to prevent clusters from spreading.
    Keywords SARS-CoV-2 ; Delta AY.1 ; variant cluster ; Medicine ; R
    Subject code 572
    Language English
    Publishing date 2022-07-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Concentric hypertrophy geometry is a significant determinant of impaired global longitudinal strain in patients with normal cardiac structure and function

    Anan, Ryuichiro / Imoto, Tatsuya / Onizuka, Kumi / Watanabe, Hideaki / Mori, Wakako / Murakoso, Mayu

    Heliyon. 2023 May 13, p.e16252-

    2023  

    Abstract: In recent years, the assessment of global longitudinal strain (GLS) derived by speckle-tracking analysis has become a clinically feasible alternative to left ventricular (LV) ejection fraction (LVEF) for the assessment of myocardial function. However, ... ...

    Abstract In recent years, the assessment of global longitudinal strain (GLS) derived by speckle-tracking analysis has become a clinically feasible alternative to left ventricular (LV) ejection fraction (LVEF) for the assessment of myocardial function. However, the determinant factors of impaired GLS in structurally and functionally normal patients are unclarified. The objective of this study was to elucidate the determinant factors of impaired GLS in structurally and functionally normal patients. We evaluated structurally and functionally normal patients scheduled to undergo noncardiac surgery. The evaluated patient characteristics were age, sex, presence of hypertension, presence of diabetes mellitus, presence of hyperlipidemia, systolic blood pressure, and body mass index. The concentrations of B-type natriuretic peptide and high-sensitivity troponin I were measured. Echocardiography was performed to determine the LVEF, GLS, transmitral early diastolic velocity/transmitral atrial velocity ratio, LV mass index (LVMI), and relative wall thickness (RWT). Patients with preserved LVEF (≥50%) were divided into the normal GLS group (GLS ≤ -20%) and the impaired GLS group (GLS > -20%). On the basis of the RWT and LVMI values, the patients were categorized as having four types of LV geometry. Logistic regression analysis was performed to ascertain the determinant factors of impaired GLS. The study cohort comprised 75 structurally and functionally normal patients (age 67.7 ± 12.6 years, 45 men). The GLS was normal in 43 patients and impaired in 32 patients. There was a significant difference in RWT between the impaired and normal GLS groups. The evaluation based on the LV geometry showed that six of seven patients with concentric hypertrophy geometry had impaired GLS, and the GLS was significantly more impaired in patients with concentric hypertrophy geometry than in patients with normal geometry or eccentric hypertrophy geometry. Logistic regression analysis revealed that LV concentric hypertrophy geometry was a significant determinant factor of impaired GLS (odds ratio 22.4, P = 0.042). Global longitudinal strain is more impaired in structurally and functionally normal patients with concentric hypertrophy geometry compared with those with eccentric hypertrophy geometry or normal geometry. In addition, concentric hypertrophy geometry is a significant determinant for impaired GLS in patients with normal cardiac structure and function.
    Keywords body mass index ; diabetes mellitus ; echocardiography ; geometry ; hyperlipidemia ; hypertension ; hypertrophy ; natriuretic peptides ; odds ratio ; patients ; regression analysis ; surgery ; systolic blood pressure ; Global longitudinal strain ; Left ventricular ejection fraction ; Left ventricular geometry ; Concentric hypertrophy
    Language English
    Dates of publication 2023-0513
    Publishing place Elsevier Ltd
    Document type Article ; Online
    Note Pre-press version ; Use and reproduction
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e16252
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: [Series: knowledge of emergency required for internist; environmental temperature disorders--accidental hypothermia and heat illness].

    Anan, Hideaki

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

    2013  Volume 102, Issue 1, Page(s) 168–173

    MeSH term(s) Heat Stroke/therapy ; Humans ; Hypothermia/therapy ; Internal Medicine
    Language Japanese
    Publishing date 2013-05-21
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.102.168
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  9. Article: Concentric hypertrophy geometry is a significant determinant of impaired global longitudinal strain in patients with normal cardiac structure and function.

    Anan, Ryuichiro / Imoto, Tatsuya / Onizuka, Kumi / Watanabe, Hideaki / Mori, Wakako / Murakoso, Mayu

    Heliyon

    2023  Volume 9, Issue 6, Page(s) e16252

    Abstract: Background: In recent years, the assessment of global longitudinal strain (GLS) derived by speckle-tracking analysis has become a clinically feasible alternative to left ventricular (LV) ejection fraction (LVEF) for the assessment of myocardial function. ...

    Abstract Background: In recent years, the assessment of global longitudinal strain (GLS) derived by speckle-tracking analysis has become a clinically feasible alternative to left ventricular (LV) ejection fraction (LVEF) for the assessment of myocardial function. However, the determinant factors of impaired GLS in structurally and functionally normal patients are unclarified. The objective of this study was to elucidate the determinant factors of impaired GLS in structurally and functionally normal patients.
    Methods: We evaluated structurally and functionally normal patients scheduled to undergo noncardiac surgery. The evaluated patient characteristics were age, sex, presence of hypertension, presence of diabetes mellitus, presence of hyperlipidemia, systolic blood pressure, and body mass index. The concentrations of B-type natriuretic peptide and high-sensitivity troponin I were measured. Echocardiography was performed to determine the LVEF, GLS, transmitral early diastolic velocity/transmitral atrial velocity ratio, LV mass index (LVMI), and relative wall thickness (RWT). Patients with preserved LVEF (≥50%) were divided into the normal GLS group (GLS ≤ -20%) and the impaired GLS group (GLS > -20%). On the basis of the RWT and LVMI values, the patients were categorized as having four types of LV geometry. Logistic regression analysis was performed to ascertain the determinant factors of impaired GLS.
    Results: The study cohort comprised 75 structurally and functionally normal patients (age 67.7 ± 12.6 years, 45 men). The GLS was normal in 43 patients and impaired in 32 patients. There was a significant difference in RWT between the impaired and normal GLS groups. The evaluation based on the LV geometry showed that six of seven patients with concentric hypertrophy geometry had impaired GLS, and the GLS was significantly more impaired in patients with concentric hypertrophy geometry than in patients with normal geometry or eccentric hypertrophy geometry. Logistic regression analysis revealed that LV concentric hypertrophy geometry was a significant determinant factor of impaired GLS (odds ratio 22.4, P = 0.042).
    Conclusions: Global longitudinal strain is more impaired in structurally and functionally normal patients with concentric hypertrophy geometry compared with those with eccentric hypertrophy geometry or normal geometry. In addition, concentric hypertrophy geometry is a significant determinant for impaired GLS in patients with normal cardiac structure and function.
    Language English
    Publishing date 2023-05-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e16252
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  10. Article ; Online: Ventricular tachycardia in patients undergoing 24-h Holter monitoring as preoperative evaluation for noncardiac surgery.

    Anan, Ryuichiro / Watanabe, Hideaki / Takahama, Hitomi / Mori, Wakako

    Heart and vessels

    2021  Volume 36, Issue 7, Page(s) 1047–1055

    Abstract: The incidence of ventricular tachycardia (VT) in preoperative evaluation for noncardiac surgery in general hospitals has not been established. The aim of this study was to determine the incidence of VT, characteristics of patients with VT, ... ...

    Abstract The incidence of ventricular tachycardia (VT) in preoperative evaluation for noncardiac surgery in general hospitals has not been established. The aim of this study was to determine the incidence of VT, characteristics of patients with VT, characteristics of VT, and significance of VT in patients undergoing 24-h Holter monitoring as preoperative evaluation for noncardiac surgery. In 601 patients, VT was detected in 46 patients (7.7%). In patients with VT, left ventricular ejection fraction (LVEF) was lower (62.6 ± 9.3% vs. 66.6 ± 8.9%, p = 0.003), and B-type natriuretic peptide (BNP) was higher compared with patients without VT (median, 52.5 pg/mL vs. 32.8 pg/mL, p = 0.02). The maximum number of consecutive beats of VT was more frequent in the patients with LVEF < 50% than in the patients with LVEF ≥ 50% (median, 11.5 beats vs. 3.0 beats, p = 0.01). Forty patients (87%) underwent scheduled surgery without major complications.
    MeSH term(s) Aged ; Electrocardiography, Ambulatory/methods ; Female ; Follow-Up Studies ; Heart Rate/physiology ; Hospitals, General ; Humans ; Incidence ; Male ; Preoperative Period ; Retrospective Studies ; Stroke Volume/physiology ; Surgical Procedures, Operative ; Survival Rate/trends ; Tachycardia, Ventricular/diagnosis ; Tachycardia, Ventricular/epidemiology ; Tachycardia, Ventricular/physiopathology ; Ventricular Function, Left/physiology
    Language English
    Publishing date 2021-01-21
    Publishing country Japan
    Document type Journal Article ; Observational Study
    ZDB-ID 89678-0
    ISSN 1615-2573 ; 0910-8327 ; 0935-736X
    ISSN (online) 1615-2573
    ISSN 0910-8327 ; 0935-736X
    DOI 10.1007/s00380-021-01779-1
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