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  1. Article ; Online: Five important preventive measures against exacerbation of coronavirus disease.

    Yamamoto, Kenji

    Anaesthesiology intensive therapy

    2022  Volume 53, Issue 4, Page(s) 358–359

    Abstract: Coronavirus disease (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is mainly transmitted through droplets and aerosols [1]. Viral RNA is predominantly detected in the oral and nasal cavities; however, it has also ... ...

    Abstract Coronavirus disease (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is mainly transmitted through droplets and aerosols [1]. Viral RNA is predominantly detected in the oral and nasal cavities; however, it has also occasionally been detected in stool, urine, and lacrimal samples. Infection prevention through use of masks, handwashing, and social distancing may be challenging. Although a lockdown in urban areas can slow the spread of infection and allow time for preparing an adequate response, it is difficult to determine the optimal time for unlocking and lifting quarantine measures and to prevent further spread once people resume their daily schedules. As the virus is spreading worldwide, in part owing to asymptomatic carriers, the incidence of infection will likely continue to fluctuate until herd immunity is achieved, which may take several months to years [2].
    MeSH term(s) COVID-19/prevention & control ; Communicable Disease Control ; Humans ; Masks ; Quarantine ; SARS-CoV-2
    Language English
    Publishing date 2022-03-08
    Publishing country Poland
    Document type Letter
    ISSN 1731-2531
    ISSN (online) 1731-2531
    DOI 10.5114/ait.2021.108581
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Adverse effects of COVID-19 vaccines and measures to prevent them.

    Yamamoto, Kenji

    Virology journal

    2022  Volume 19, Issue 1, Page(s) 100

    Abstract: Recently, The Lancet published a study on the effectiveness of COVID-19 vaccines and the waning of immunity with time. The study showed that immune function among vaccinated individuals 8 months after the administration of two doses of COVID-19 vaccine ... ...

    Abstract Recently, The Lancet published a study on the effectiveness of COVID-19 vaccines and the waning of immunity with time. The study showed that immune function among vaccinated individuals 8 months after the administration of two doses of COVID-19 vaccine was lower than that among the unvaccinated individuals. According to European Medicines Agency recommendations, frequent COVID-19 booster shots could adversely affect the immune response and may not be feasible. The decrease in immunity can be caused by several factors such as N1-methylpseudouridine, the spike protein, lipid nanoparticles, antibody-dependent enhancement, and the original antigenic stimulus. These clinical alterations may explain the association reported between COVID-19 vaccination and shingles. As a safety measure, further booster vaccinations should be discontinued. In addition, the date of vaccination should be recorded in the medical record of patients. Several practical measures to prevent a decrease in immunity have been reported. These include limiting the use of non-steroidal anti-inflammatory drugs, including acetaminophen to maintain deep body temperature, appropriate use of antibiotics, smoking cessation, stress control, and limiting the use of lipid emulsions, including propofol, which may cause perioperative immunosuppression. In conclusion, COVID-19 vaccination is a major risk factor for infections in critically ill patients.
    MeSH term(s) COVID-19/prevention & control ; COVID-19 Vaccines/adverse effects ; Drug-Related Side Effects and Adverse Reactions/prevention & control ; Humans ; Liposomes ; Nanoparticles ; SARS-CoV-2 ; Vaccination/adverse effects
    Chemical Substances COVID-19 Vaccines ; Lipid Nanoparticles ; Liposomes
    Language English
    Publishing date 2022-06-05
    Publishing country England
    Document type Letter ; Comment
    ZDB-ID 2160640-7
    ISSN 1743-422X ; 1743-422X
    ISSN (online) 1743-422X
    ISSN 1743-422X
    DOI 10.1186/s12985-022-01831-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Risk of heparinoid use in cosmetics and moisturizers in individuals vaccinated against severe acute respiratory syndrome coronavirus 2.

    Yamamoto, Kenji

    Thrombosis journal

    2021  Volume 19, Issue 1, Page(s) 67

    Abstract: Recently, heparin-induced thrombocytopenia (HIT) after vaccination with the vaccines manufactured by AstraZeneca and Pfizer-BioNTech has been published in the New England Journal of Medicine. These reports state that heparin was not used around the ... ...

    Abstract Recently, heparin-induced thrombocytopenia (HIT) after vaccination with the vaccines manufactured by AstraZeneca and Pfizer-BioNTech has been published in the New England Journal of Medicine. These reports state that heparin was not used around the vaccination period in all cases. HIT after vaccination is more common in women; thus, heparinoid use can be suspected to induce HIT.
    Language English
    Publishing date 2021-09-16
    Publishing country England
    Document type Letter
    ZDB-ID 2118392-2
    ISSN 1477-9560
    ISSN 1477-9560
    DOI 10.1186/s12959-021-00320-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Complicity of α-synuclein oligomer and calcium dyshomeostasis in selective neuronal vulnerability in Lewy body disease.

    Yamamoto, Kenji

    Archives of pharmacal research

    2021  Volume 44, Issue 6, Page(s) 564–573

    Abstract: α-Synuclein oligomers and ... ...

    Abstract α-Synuclein oligomers and Ca
    MeSH term(s) Animals ; Calcium/metabolism ; Disease Susceptibility/metabolism ; Homeostasis/physiology ; Humans ; Lewy Body Disease/metabolism ; Lewy Body Disease/pathology ; Neurons/metabolism ; Neurons/pathology ; Protein Transport/physiology ; Risk Factors ; alpha-Synuclein/metabolism
    Chemical Substances SNCA protein, human ; alpha-Synuclein ; Calcium (SY7Q814VUP)
    Language English
    Publishing date 2021-06-10
    Publishing country Korea (South)
    Document type Journal Article ; Review
    ZDB-ID 447623-2
    ISSN 1976-3786 ; 0253-6269
    ISSN (online) 1976-3786
    ISSN 0253-6269
    DOI 10.1007/s12272-021-01334-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.B 3229: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  5. Article ; Online: Risk of propofol use for sedation in COVID-19 patient.

    Yamamoto, Kenji

    Anaesthesiology intensive therapy

    2020  Volume 52, Issue 4, Page(s) 354–355

    MeSH term(s) Animals ; Betacoronavirus ; COVID-19 ; Conscious Sedation ; Coronavirus Infections ; Humans ; Hypnotics and Sedatives/adverse effects ; Pandemics ; Pneumonia, Viral ; Propofol/adverse effects ; Rats ; SARS-CoV-2 ; Sepsis
    Chemical Substances Hypnotics and Sedatives ; Propofol (YI7VU623SF)
    Keywords covid19
    Language English
    Publishing date 2020-11-02
    Publishing country Poland
    Document type Letter ; Comment
    ISSN 1731-2531
    ISSN (online) 1731-2531
    DOI 10.5114/ait.2020.100477
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book ; Online ; Thesis: Label Free Spectromicroscopy on Drug and Drug Loaded Nanocarriers in Skin

    Yamamoto, Kenji [Verfasser]

    2022  

    Author's details Kenji Yamamoto
    Keywords Medizin, Gesundheit ; Medicine, Health
    Subject code sg610
    Language English
    Publisher Freie Universität Berlin
    Publishing place Berlin
    Document type Book ; Online ; Thesis
    Database Digital theses on the web

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  7. Article ; Online: Adverse effects of COVID-19 vaccines and measures to prevent them

    Yamamoto, Kenji

    Virol J. 2022 Dec., v. 19, no. 1 p.100-100

    2022  

    Abstract: Recently, The Lancet published a study on the effectiveness of COVID-19 vaccines and the waning of immunity with time. The study showed that immune function among vaccinated individuals 8 months after the administration of two doses of COVID-19 vaccine ... ...

    Abstract Recently, The Lancet published a study on the effectiveness of COVID-19 vaccines and the waning of immunity with time. The study showed that immune function among vaccinated individuals 8 months after the administration of two doses of COVID-19 vaccine was lower than that among the unvaccinated individuals. According to European Medicines Agency recommendations, frequent COVID-19 booster shots could adversely affect the immune response and may not be feasible. The decrease in immunity can be caused by several factors such as N1-methylpseudouridine, the spike protein, lipid nanoparticles, antibody-dependent enhancement, and the original antigenic stimulus. These clinical alterations may explain the association reported between COVID-19 vaccination and shingles. As a safety measure, further booster vaccinations should be discontinued. In addition, the date of vaccination should be recorded in the medical record of patients. Several practical measures to prevent a decrease in immunity have been reported. These include limiting the use of non-steroidal anti-inflammatory drugs, including acetaminophen to maintain deep body temperature, appropriate use of antibiotics, smoking cessation, stress control, and limiting the use of lipid emulsions, including propofol, which may cause perioperative immunosuppression. In conclusion, COVID-19 vaccination is a major risk factor for infections in critically ill patients.
    Keywords COVID-19 infection ; acetaminophen ; body temperature ; immune response ; immunosuppression ; lipids ; medical records ; nanoparticles ; risk factors ; vaccination ; vaccines
    Language English
    Dates of publication 2022-12
    Size p. 100.
    Publishing place BioMed Central
    Document type Article ; Online
    Note Letter
    ZDB-ID 2160640-7
    ISSN 1743-422X
    ISSN 1743-422X
    DOI 10.1186/s12985-022-01831-0
    Database NAL-Catalogue (AGRICOLA)

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  8. Article ; Online: Mucin glycans and their degradation by gut microbiota.

    Yamaguchi, Masanori / Yamamoto, Kenji

    Glycoconjugate journal

    2023  Volume 40, Issue 4, Page(s) 493–512

    Abstract: The human intestinal tract is inhabited by a tremendous number of microorganisms, which are collectively termed "the gut microbiota". The intestinal epithelium is covered with a dense layer of mucus that prevents penetration of the gut microbiota into ... ...

    Abstract The human intestinal tract is inhabited by a tremendous number of microorganisms, which are collectively termed "the gut microbiota". The intestinal epithelium is covered with a dense layer of mucus that prevents penetration of the gut microbiota into underlying tissues of the host. Recent studies have shown that the maturation and function of the mucus layer are strongly influenced by the gut microbiota, and alteration in the structure and function of the gut microbiota is implicated in several diseases. Because the intestinal mucus layer is at a crucial interface between microbes and their host, its breakdown leads to gut bacterial invasion that can eventually cause inflammation and infection. The mucus is composed of mucin, which is rich in glycans, and the various structures of the complex carbohydrates of mucins can select for distinct mucosa-associated bacteria that are able to bind mucin glycans, and sometimes degrade them as a nutrient source. Mucin glycans are diverse molecules, and thus mucin glycan degradation is a complex process that requires a broad range of glycan-degrading enzymes. Because of the increased recognition of the role of mucus-associated microbes in human health, how commensal bacteria degrade and use host mucin glycans has become of increased interest. This review provides an overview of the relationships between the mucin glycan of the host and gut commensal bacteria, with a focus on mucin degradation.
    MeSH term(s) Humans ; Mucins/chemistry ; Gastrointestinal Microbiome ; Intestinal Mucosa/metabolism ; Polysaccharides/chemistry ; Carbohydrates
    Chemical Substances Mucins ; Polysaccharides ; Carbohydrates
    Language English
    Publishing date 2023-06-15
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 283770-5
    ISSN 1573-4986 ; 0282-0080
    ISSN (online) 1573-4986
    ISSN 0282-0080
    DOI 10.1007/s10719-023-10124-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2171: Show issues Location:
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    Jg. 1995 - 2021: Lesesall (1.OG)
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  9. Article ; Online: Stress-independent delay time in yielding of dilute colloidal gels.

    Yamamoto, Atsushi / Inui, Takumi / Suzuki, Daisuke / Urayama, Kenji

    Soft matter

    2023  Volume 19, Issue 46, Page(s) 9082–9091

    Abstract: We investigate the yielding under shear for dilute poly( ...

    Abstract We investigate the yielding under shear for dilute poly(
    Language English
    Publishing date 2023-11-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 2191476-X
    ISSN 1744-6848 ; 1744-683X
    ISSN (online) 1744-6848
    ISSN 1744-683X
    DOI 10.1039/d3sm01238g
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Tracheal Bronchus Detected During General Anesthesia: A Case Report.

    Yamamoto, Toru / Tsurumaki, Tatsuru / Kanemaru, Hiroko / Seo, Kenji

    Anesthesia progress

    2024  Volume 70, Issue 4, Page(s) 173–177

    Abstract: A tracheal bronchus is a congenital abnormality of the tracheobronchial tree in which a displaced or accessory bronchus arises from the trachea superior to its bifurcation. We herein report a case in which a tracheal bronchus was incidentally found after ...

    Abstract A tracheal bronchus is a congenital abnormality of the tracheobronchial tree in which a displaced or accessory bronchus arises from the trachea superior to its bifurcation. We herein report a case in which a tracheal bronchus was incidentally found after induction of general anesthesia, and we discuss the potential airway management problems that may have ensued. An 80-year-old man was scheduled for buccal mucosa resection and abdominal skin grafting for treatment of squamous cell carcinoma of the left buccal mucosa. Because of trismus and anticipated airway difficulty, an awake intubation was performed under sedation. A 3-branched structure was incidentally observed at the first branching site that was supposed to be the carina. The tip of the endotracheal tube was repositioned 3 cm above the tracheal trifurcation, and the rest of the procedure proceeded uneventfully. A flexible fiberoptic scope is not used in many anesthesia cases, making the identification of such tracheal or bronchial abnormalities more difficult. Therefore, it is important to carefully check the bronchial morphology on any available chest radiographs before surgery, listen to lung sounds after intubation, and assess thoracic lung compliance without neglecting routine safety checks.
    MeSH term(s) Male ; Humans ; Aged, 80 and over ; Intubation, Intratracheal ; Trachea/surgery ; Trachea/abnormalities ; Bronchi/surgery ; Bronchi/abnormalities ; Airway Management ; Anesthesia, General
    Language English
    Publishing date 2024-01-15
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 603800-1
    ISSN 1878-7177 ; 0003-3006
    ISSN (online) 1878-7177
    ISSN 0003-3006
    DOI 10.2344/anpr-70-02-09
    Database MEDical Literature Analysis and Retrieval System OnLINE

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