Shallow-angle needle guide for ultrasound-guided internal jugular venous catheterization: A randomized controlled crossover simulation study (CONSORT)

• Kunitaro Watanabe ,

  Contributed equally to this work with: Kunitaro Watanabe, Joho Tokumine

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Writing – original draft

  * E-mail: kunitarowatanabe@yahoo.co.jp

  Affiliation Department of Anesthesiology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan

  http://orcid.org/0000-0002-8319-0406

  ⨯
• Joho Tokumine ,

  Contributed equally to this work with: Kunitaro Watanabe, Joho Tokumine

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Software, Validation, Writing – original draft

  Affiliation Department of Anesthesiology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan

  http://orcid.org/0000-0003-3481-2085

  ⨯
• Alan Kawarai Lefor ,

  Roles Supervision, Visualization, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Surgery, Jichi Medical University, Shimotsuke, Tochigi, Japan

  ⨯
• Tomoko Yorozu

  Roles Supervision, Visualization, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Anesthesiology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan

  ⨯