YAJU Yukari

Faculty & Position:Nursing Statistics   associate professor
Contact:y-yaju[at]slcn.ac.jp convert [at] to @
Last Updated: Jun. 01, 2020 at 05:05

Researcher Profile & Settings


  • Apr. 2005Mar. 2008The University of Tokyo Graduate School of Medicine
  • Apr. 2003Mar. 2005Kyoto University Graduate School of Medicine

Academic & Professional Experience

  • Apr. 2019- TodaySt. Luke's International University, St. Luke's International University
  • Apr. 2016Mar. 2019St. Luke's International University, St. Luke's International University
  • Apr. 2014Mar. 2016School of Nursing, St. Luke's International University


  • 社会健康医学修士(専門職)
  • 保健学博士

Research Activities

Research Areas

  • Life sciences / Clinical nursing
  • Life sciences / Lifelong developmental nursing

Research Interests

    EBM , EBN

Published Papers

  • Authors' response to letter to the editor: Safety concerns with human papilloma virus immunization in Japan: Analysis and evaluation of Nagoya City's surveillance data for adverse events.
    Yaju Y, Tsubaki H
    Japan Journal of Nursing Science Aug. 2019 [Refereed]
  • Safety concerns with human papilloma virus immunization in Japan: Analysis and evaluation of Nagoya City's surveillance data for adverse events.
    Yaju Y, Tsubaki H
    Jpn J Nurs Sci Jan. 2019 [Refereed]
  • Cooling the lower abdomen to reduce postpartum blood loss: A randomized controlled trial.
    Masuzawa Y, Kataoka Y, Nakamura S, Yaju Y
    PLoS One Oct. 2017 [Refereed]
  • Lessons learnt in Japan from adverse reactions to the HPV vaccine: a medical ethics perspective.
    Beppu H, Minaguchi M, Uchide K, Kumamoto K, Sekiguchi M, Yaju Y
    Indian J Med Ethics 2(2) 82-88 Apr. 2017 [Refereed]
  • A cross-sectional survey of policies guiding second stage labor in urban Japanese hospitals, clinics and midwifery birth centers.
    Baba K, Kataoka Y, Nakayama K, Yaju Y, Horiuchi S, Eto H
    BMC Pregnancy Childbirth Feb. 2016 [Refereed]
  • Homeopathy for reducing blood loss in the third stage of labour (Protocol).
    Kataoka Y, Yaju Y, Hiruta A, Horiuchi S, Mori R
    The Cochrane Library Apr. 2015 [Refereed]
  • Prophylactic interventions after delivery of placenta for reducing bleeding during the postnatal period (Review).
    Yaju Yukari, Kataoka Yaeko, Eto Hiromi, Horiuchi Shigeko, Mori Rintaro
    The Cochrane Library(11) Nov. 2013 [Refereed]
  • Prophylactic interventions after delivery of placenta for reducing bleeding during the postnatal period(Protocol).
    Yaju, Yukari, Kataoka,Yaeko, Eto, Hiromi, Horiuchi, Shigeko, Mori, Rintaro
    The Cochrane Library 2011 issue 9 Sep. 2011 [Refereed]

Conference Activities & Talks

  • Distorted Drug Evaluation: IRESSA and Conflicts of Interest among Experts in Japan.
    Yaju Y, Minaguchi M, Beppu H
    Gezonde Scepsis (International Conference 'Selling Sickness'2010) Oct. 2010
  • Sharp increase of the access to the Japanese translations of Cochrane Systematic Review's abstracts after the introduction of non-login systems.
    Tsutani K, Yaju Y, Sato Y, Yoshida M, Yamaguchi N
    Cochrane Collaboration; 17th Cochranne Colloquium Oct. 2009
  • Graphs in meta-analysis: worth more than a thousand words?
    Bax L, Fukui N, Yaju Y, Tsuruta H, Ikeda N, Satoh T, Moons KGM
    Cochrane Collaboration; 16th Cochrane Colloquium. Evidence in the era of globalization. Oct. 2008
  • Past, present and future of Minds: Information Center for Clinical Practice Guidelines and Related Area in Japan.
    Tsutani K, Yaju Y, Yoshida M, Yamaguchi N
    Asia Pacific EBM Network Dec. 2006
  • Clinical practice guidelines development in Japan.
    Yamaguchi N, Yoshida M, Fukui T, Morizane T, Tsutani K, Hoshi K, Yaju Y, Kozono R
    Guideline International Network Dec. 2005
  • Screening for domestic violence in prenatal care settings: Systematic review.
    Kataoka Y, Yaju Y, Eto H, Horiuchi S, Matsumoto N, Yeo S
    Japan Academy of Nursing Science Aug. 2004


  • Strongly support the conclusions of this article written by Jørgensen et al.
    Yukari Yaju
    BMJ Evidence-Based Medicine Sep. 2018 [Refereed]
  • Hopes and Connections Project: The Interim Report on Support for Disaster Victims in Fukushima Prefecture by St. Luke’s College of Nursing
    (38) 34-38 Mar. 2012
    〔Abstract〕 Since April 2011, a month after the March 11 Great East Japan Earthquake, the Research Center for theDevelopment of Nursing Practice at St. Luke’s College of Nursing (SLCN) in Tokyo has been involved in the“Hopes and Connections Project” to support disaster victims in Fukushima Prefecture. The “Hopes and Connections Project” was launched by the nonprofit organization Japan Clinical ResearchSupport Unit, with the cooperation of SLCN. Areas in which the project is active are Iwaki, Soma and Koriyama cities in Fukushima Prefecture. One ortwo nurses associated with SLCN have been sent to each city on a continual basis. A total of 363 nurses hadbeen sent to these cities as of August 31, 2011. The nurses working in Iwaki are providing nursing care in evacuation centers and visiting homes indisaster-stricken areas to assess the needs of residents and engage in supportive activities. In Soma, nursesare providing assistance to the activities of a mental health care team and helping to work toward thesystematization of community mental health in the area. In Koriyama, nurse volunteers are visiting thetemporary housing facilities of evacuees from
  • Effect of foot baths on alleviation of low-back pain in women with twin pregnancy (Preliminary study)
    Momoi Masako, Horiuchi Shigeko, Yaju Yukari
    Maternal health 51(4) 722-729 Jan. 2011
    The number of women with multiple pregnancies has shown an increasing trend in recent years due to the improvement of fertility treatment. In previous studies, we confirmed that women with multiple pregnancies experience greater physical pain due to low-back pain than women with singleton pregnancies, and that foot baths are effective for alleviating pain in women with singleton pregnancy who have low-back pain. Therefore, in the present study, we hypothesized that the same effect previously observed in women with singleton pregnancies could be expected in women with multiple pregnancies who have low-back pain, and aimed to conduct a preliminary study to verify this effect. A total of 10 women with twin pregnancy who had low-back pain were divided into intervention (n=5) and control (n=5) groups. Foot bath implementation and guidance as well as guidance on posture and movement were given to the intervention group, while only guidance on posture and movement was given to controls. Pain intensity were measured using the Visual Analogue Scale. The results showed that foot baths were effective for reducing "daily pain intensity". Specifically, as an "immediate effect", pain intensity significantly decreased immediately after foot baths compared to immediately before foot baths in the intervention group (P<0.0001). In addition, as a "sustained effect", pain intensity was significantly lower upon waking in the morning compared to before the foot bath performed the previous night in the intervention group (P<0.0001). These results suggest that foot baths effectively alleviate low-back pain in women with twin pregnancies.
    KATAOKA Yaeko, YAJU Yukari, ETO Hiromi, HORIUCHI Shigeko
    Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH) 52(9) 785-795 2005
    Objectives To determine the prevalence of domestic violence (DV) against women during pregnancy and to identify risk factors for DV and effects on women's mental health.<br/>Methods Pregnant women from an OB-GYN outpatient clinic at a hospital in an urban area were recruited consecutively from February to May 2003. Women who agreed to participate in the research answered three self-administered questionnaires: the GHQ30, the Rosenberg Self Esteem, and one for demographic characteristics at 14 gestational weeks. In order to determine DV prevalence rate during pregnancy, the Japanese version of the Index of Spouse Abuse (ISA) for measuring severity of DV was provided to those women over 35 gestational weeks.<br/>Results Two hundred seventy nine women answered all questionnaires. 15 of the 279 respondents (5.4%) were DV positive during pregnancy based on the Japanese version of the ISA. Nine had experienced physical violence, and twelve had non-physical violence Compared with women who had not experienced DV during pregnancy, DV positive pregnant women were more likely to be multipara (OR=3.9) and to have experienced physical violence in the past from a different partner (OR=9.1). Moreover, general illness (OR=3.8), sleep disturbance (OR=5.8), anxiety (OR=6.3), depression (OR=11.5) and low self-esteem (P=0.02) were identified as effects of DV on women's mental health.<br/>Conclusion Some 5.4% of women in Japan, approximately 1 in every 20, may experience DV during pregnancy. This is associated with parity and a past history of DV as demographic characteristics, and has an adverse impact on mental health, especially depression. Development of a support system for screening, intervention and referral for DV sufferers is urgently needed.
  • Approaches towards the smart use of methods in evidence-based medicine
    MAEDA Naomi, SATO Taiko, OSUMI Kaoru, YAJU Yukari, HORIUCHI Shigeko
    Journal of Japan Academy of Midwifery 18(2) 94-106 Dec. 2004
  • Appropriate fetal monitoring during labor in the management of low risk pregnancies : An evidence based guideline
    YAJUU Yukari, HORIUCHI Shigeko
     16(2) 6-15 Feb. 2003
  • Evidence-based Guidelines for Use of Electronic Fetal Monioring (EFM) : Appropriate Use of Electronic Fetal Monitoring in Low Risk Pregnancies
    Yaju Yukari, Horiuchi Shigeko
    Journal of St. Luke's Society of Nursing Research 6(1) 34-43 Jun. 2002
    Objectives : Electronic fetal monitoring (EFM) with the cardiotocography is widely used monitoring methods in most of hospitals in developed countries. In Japan, most obstetric units are equipped with EFM and EFM monitoring becomes a routine procedure in many units. Despite its prevalence, the effectiveness and safety of its usage are questionable. Some literature pointed out the false positive rate and increase of mechanical delivery as a result. The purpose of this study was to identify evidence based application criteria and usage of EFM. Quality assessment on the practice guidelines for labor and delivery management involving EFM was implemented. The guidelines for use of EFM in low risk deliveries were compared and evaluated. Methods : Practice guidelines for the management of labor were collected by electronic database search and from references of the retrieved guidelines. The collected guidelines were evaluated based on two kinds of checklists and quality of evidence included in the guidelines. Results : The most well-designed, and evidence-based guideline with the highest quality was the guideline The Use of Electronic Fetal Monitoring' developed by the Royal College of Obstetricians and Gynaecologists followed by Fetal Health Surveillance in Labour' developed by the Society of Obstetricians and Gynecologists Canada. In those guidelines, the routine use of EFM for low risk labor was not recommended, instead they recommended the intermittent auscultation. Conclusions : In low risk pregnancies intermittent auscultation is the first choice for fetal monitoring on both admission screening and throughout labor. The routine use of EFM must be limited to high risk pregnancies. The use of EFM during labor needs to be considered based on the risk factors of mother and fetus in each case.

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