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  1. Book ; Thesis: Sudomotorische Testung zum Nachweis von neutralisierenden Botulinum-Toxin-A-Antikörpern

    Walter, Dirk Heinz

    2004  

    Author's details vorgelegt von Dirk Heinz Walter
    Language German ; English
    Size 13 Bl., Bl. 68 - 73, graph. Darst.
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Erlangen, Nürnberg, Univ., Diss., 2004
    HBZ-ID HT015935798
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2009 E 827 order for loan Magazin

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  2. Article: Addendum zu Pentachlorphenol : BAT value documentation in German language, 2019

    Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe / Walter, Dirk / Drexler, Hans / Hartwig, Andrea / MAK Commission

    The MAK collection for occupational health and safety, 4(4):2349-2352

    2019  

    Abstract: In 2018, the German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has re‐evaluated the correlation (EKA) between inhalational exposure to pentachlorophenol and urinary pentachlorophenol excretion. The re‐ ... ...

    Institution Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe
    Abstract In 2018, the German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has re‐evaluated the correlation (EKA) between inhalational exposure to pentachlorophenol and urinary pentachlorophenol excretion. The re‐evaluation of the available literature led to the conclusion that the present data are limited and all available studies show limitations regarding to air exposure assessment and characterisation of possible dermal exposure of the workers. Thus, the EKA correlation was withdrawn.
    Keywords 2,3,4,5,6-Pentachlorphenol ; 87-86-5 ; Arbeitsstoff ; Assessment Values in Biological Material ; BAT-Wert ; Beurteilungswerte in biologischem Material ; PCP ; Pentachlorphenol ; Toxizität ; biologischer Leitwert ; biologischer Toleranzwert
    Language German
    Document type Article
    DOI 10.4126/FRL01-006455158
    Database Repository for Life Sciences

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  3. Article: Intratumoral heterogeneity of esophageal squamous cell carcinoma.

    Walter, Dirk

    Journal of thoracic disease

    2017  Volume 9, Issue 5, Page(s) E465–E467

    Language English
    Publishing date 2017-06-12
    Publishing country China
    Document type Editorial ; Comment
    ZDB-ID 2573571-8
    ISSN 2077-6624 ; 2072-1439
    ISSN (online) 2077-6624
    ISSN 2072-1439
    DOI 10.21037/jtd.2017.04.54
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: The Diagnosis and Treatment of Ampullary Carcinoma.

    Walter, Dirk / Schnitzbauer, Andreas A / Schulze, Falko / Trojan, Jörg

    Deutsches Arzteblatt international

    2023  Volume 120, Issue 43, Page(s) 729–735

    Abstract: Background: Ampullary or papillary carcinoma is a malignant tumor arising from the mucosa in the region of the major duodenal papilla, also known as the ampulla of Vater. Uniform treatment recommendations are lacking both for the adjuvant situation and ... ...

    Abstract Background: Ampullary or papillary carcinoma is a malignant tumor arising from the mucosa in the region of the major duodenal papilla, also known as the ampulla of Vater. Uniform treatment recommendations are lacking both for the adjuvant situation and for palliative care.
    Methods: A selective literature search was carried out in PubMed in order to identify the most informative publications concerning the epidemiology, clinico-pathological background, and surgical and medical treatment of this condition.
    Results: Ampullary carcinoma has an incidence of 0.5 to 0.9 per 100 000 persons and a poor prognosis, with a 5-year survival rate of 41% to 45% for locally confined and 4% to 7% for metastatic disease. Most such tumors are of an intestinal or a pan - creaticobiliary immunohistochemical subtype; the latter has a worse prognosis (median survival, 72-80 vs. 33-41 months). Targeted treatment is not yet available for either subtype, nor is there enough scientific evidence available for the formulation of specific therapeutic recommendations in either the adjuvant or the palliative situation. The treatment of choice for ampullary carcinoma is radical oncological resection of the head of the pancreas with systematic lymphadenectomy. Five-year overall survival is between 10% and 75% depending on the stage. No definitive recommendation for adjuvant therapy can be given. Palliative therapy can be oriented to the published treatment strategies for cancer of the colon, pancreas, and bile duct.
    Conclusion: The current state of the evidence on the treatment of ampullary carcinoma is poor. Therapeutic decisions should be discussed in an interdisciplinary tumor board and should, in our opinion, take the histological subtype into account.
    MeSH term(s) Humans ; Ampulla of Vater/pathology ; Ampulla of Vater/surgery ; Adenocarcinoma/pathology ; Prognosis ; Pancreatic Neoplasms/surgery ; Combined Modality Therapy
    Language English
    Publishing date 2023-09-01
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 2406159-1
    ISSN 1866-0452 ; 1866-0452
    ISSN (online) 1866-0452
    ISSN 1866-0452
    DOI 10.3238/arztebl.m2023.0195
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book ; Thesis: Die endoskopische mikrochirurgische Dissektion des Ösophagus (EMDÖ) bei Ösophaguskarzinom

    Walter, Dirk Henning

    klinische Studie von 1989 - 1994

    1996  

    Author's details vorgelegt von Dirk Henning Walter
    Language German
    Size 107 S. : Ill., graph. Darst.
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Tübingen, Univ., Diss., 1996
    HBZ-ID HT007277412
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    96 D 2838 order for loan Magazin

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  6. Article: Addendum zu Nickel (Nickelmetall, ‐oxid, ‐carbonat, ‐sulfid, sulfidische Erze) : BAT Value Documentation in German language, 2019

    Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe / Nasterlack, Michael / Walter, Dirk / Drexler, Hans / Hartwig, Andrea / MAK Commission

    The MAK collection for occupational health and safety, 4(1):243-246

    2019  

    Abstract: In 2018 the German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has re‐evaluated the correlation (EKA) between inhalational exposure to nickel and sparingly soluble nickel compounds (nickel as nickel metal, ... ...

    Institution Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe
    Abstract In 2018 the German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has re‐evaluated the correlation (EKA) between inhalational exposure to nickel and sparingly soluble nickel compounds (nickel as nickel metal, nickel sulphide, sulphidic ores, nickel oxide, nickel carbonate) and urinary nickel excretion. The update and evaluation of the available literature led to the conclusion that the EKA correlation could be confirmed for exposures in the range between 100 and 500 µg Ni/m3. An extrapolation of the regression equation to the low dose range turned out to be impossible for both formal and practical reasons.
    Keywords Arbeitsstoff ; Assessment Values in Biological Material ; BAR ; BAT-Wert ; Beurteilungswerte in biologischem Material ; Biologischer Arbeitsstoff-Referenzwert ; Dinickeltrioxid ; EKA ; Nickelcarbonat ; Nickeldioxid ; Nickelmonoxid ; Nickelmetall ; Nickelsubsulfid ; Nickelsulfid ; Toxizität ; biologischer Toleranzwert
    Language German
    Document type Article
    DOI 10.4126/FRL01-006454942
    Database Repository for Life Sciences

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  7. Article: Addendum to 1,4‐Dioxane : BAT Value Documentation, 2013

    Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe / Walter, Dirk

    2013  

    Institution Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe
    Keywords 1,4-diethylene dioxide ; 1,4-diethylene oxide ; 1,4-dioxacyclohexane ; 1,4-dioxane ; Assessment Values in Biological Material ; BAT value ; Beurteilungswerte in biologischem Material ; biological tolerance value ; biological reference value ; diethylene ether ; dioxane ; dioxyethylene ether ; occupational exposure ; p-dioxane ; toxicity
    Language English
    Document type Article
    DOI 10.4126/FRL01-006454627
    Database Repository for Life Sciences

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  8. Article: 1,4‐Dioxan : BAT Value Documentation in German language, 2013

    Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe / Walter, Dirk

    2013  

    Institution Deutsche Forschungsgemeinschaft. Ständige Senatskommission zur Prüfung Gesundheitsschädlicher Arbeitsstoffe
    Keywords 1,4-Diethylenoxid ; 1,4-Diethylendioxid ; 1,4-Dioxacyclohexan ; Arbeitsstoff ; Assessment Values in Biological Material ; BAT-Wert ; Beurteilungswerte in biologischem Material ; Diethylenether ; Dioxan ; Dioxyethylenether ; Toxizität ; Tetrahydro-p-dioxin ; biologischer Leitwert ; biologischer Toleranzwert ; p-Dioxan
    Language German
    Document type Article
    Note Lieferung: 20
    DOI 10.4126/FRL01-006454623
    Database Repository for Life Sciences

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  9. Book ; Online: Einfluss einer regelmäßigen Kontrolle und Behandlung der an Moderhinke erkrankten Schafe mit Tilmicosin auf die Krankheitsinzidenz in einer chronisch verseuchten Herde

    Walter, Dirk

    2016  

    Author's details Dirk Walter
    Language German
    Size 1 Online-Ressource
    Publisher Bibliothek der Tierärztlichen Hochschule Hannover
    Publishing place Hannover
    Document type Book ; Online
    Database Special collection on veterinary medicine and general parasitology

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  10. Article ; Online: Infection Prevention and the Protective Effects of Unidirectional Displacement Flow Ventilation in the Turbulent Spaces of the Operating Room.

    Ziegler, Mareike / Seipp, Hans-Martin / Steffens, Thomas / Walter, Dirk / Büttner-Janz, Karin / Rodger, Daniel / Herzog-Niescery, Jennifer

    HERD

    2024  , Page(s) 19375867241228609

    Abstract: Background: Unidirectional displacement flow (UDF) ventilation systems in operating rooms are characterized by a uniformity of velocity ≥80% and protect patients and operating room personnel against exposure to hazardous substances. However, the air ... ...

    Abstract Background: Unidirectional displacement flow (UDF) ventilation systems in operating rooms are characterized by a uniformity of velocity ≥80% and protect patients and operating room personnel against exposure to hazardous substances. However, the air below the surgical lights and in the surrounding zone is turbulent, which impairs the ventilation system's effect.
    Aim: We first used the recovery time (RT) as specified in International Organization for Standardization 14644 to determine the particle reduction capacity in the turbulent spaces of an operating room with a UDF system.
    Methods: The uniformity of velocity was analyzed by comfort-level probe grid measurements in the protected area below a hemispherical closed-shaped and a semi-open column-shaped surgical light (tilt angles: 0°/15°/30°) and in the surrounding zone of a research operating room. Thereafter, RTs were calculated.
    Results: At a supply air volume of 10,500 m
    Conclusions: Compared to an RT of ≤20 min as required for operating rooms with mixed dilution flow, particles here were eliminated 12-18 times more quickly from below the surgical lights and 5.7 times from the surrounding zone. Thus, the effect of the lights was negligible and the UDF's retained its strong protective effect.
    Language English
    Publishing date 2024-02-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2525547-2
    ISSN 2167-5112 ; 1937-5867
    ISSN (online) 2167-5112
    ISSN 1937-5867
    DOI 10.1177/19375867241228609
    Database MEDical Literature Analysis and Retrieval System OnLINE

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