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  1. Article

    Open Access

    Association between parental decisions regarding abortion and severity of fetal heart disease

    The prenatal diagnosis of fetal heart disease potentially influences parental decision-making regarding pregnancy termination. Existing literature indicates that the severity, whether in complexity or lethalit...

    Masahiro Nakao, Masanari Kuwabara, Mika Saito, Chinami Horiuchi in Scientific Reports (2024)

  2. Article

    Open Access

    Changes in use and outcomes after fibrinogen concentrate insurance coverage for critical obstetrical hemorrhage: a nationwide questionnaire survey in Japan

    Fibrinogen concentrate (FC) for acquired hypofibrinogenemia associated with critical obstetrical hemorrhage (COH) was covered by public medical insurance in September 2021 in Japan. We aimed to investigate cha...

    Masafumi Nii, Tomoaki Oda, Mamoru Morikawa, Yasushi Nakabayashi in Scientific Reports (2024)

  3. Article

    Open Access

    Intravenous lipid emulsion for local anaesthetic systemic toxicity in pregnant women: a sco** review

    Local anaesthetic systemic toxicity (LAST) is a rare but life-threatening complication that can occur after local anaesthetic administration. Various clinical guidelines recommend an intravenous lipid emulsion...

    Makoto Tsuji, Masafumi Nii, Marie Furuta, Shinji Baba in BMC Pregnancy and Childbirth (2024)

  4. Article

    Open Access

    Accurate evaluation of the progress of delivery with transperineal ultrasound may improve vaginal delivery: a single-center retrospective study

    Although digital examination of the cervix is the standard method used worldwide for evaluating the progress of delivery, it is subjective. Transperineal ultrasound (TPU) is combined with digital evaluation fo...

    Naosuke Enomoto, Shintaro Maki, Masafumi Nii, Mizuki Yamaguchi in Scientific Reports (2023)

  5. No Access

    Article

    Comparison of surgical outcomes between robot-assisted laparoscopic hysterectomy and conventional total laparoscopic hysterectomy in gynecologic benign disease: a single-center cohort study

    We compared the surgical outcomes of robot-assisted laparoscopic hysterectomy (RAH) and total laparoscopic hysterectomy (TLH). This single-center cohort study compared 139 RAH cases from January, 2017 to Septe...

    Asumi Okumura, Eiji Kondo, Masafumi Nii, Michiko Kubo-Kaneda in Journal of Robotic Surgery (2023)

  6. Article

    Open Access

    A retrospective cohort study using a national surveillance questionnaire to investigate the characteristics of maternal venous thromboembolism in Japan in 2018

    In Japan, the numbers of deliveries by women of older maternal age and women with overweight or obesity have recently increased. Since 2008, the guidelines and practices to prevent the maternal venous thromboe...

    Mamoru Morikawa, Tomoko Adachi, Atsuo Itakura, Masafumi Nii in BMC Pregnancy and Childbirth (2021)

  7. No Access

    Article

    Effect of hypofibrinogenemia on obstetrical disseminated intravascular coagulation in Japan in 2018: a multicenter retrospective cohort study

    Japanese obstetrical hemorrhage recommendations state that not only pregnant women with an obstetrical disseminated intravascular coagulation (DIC) score ≥ 8 points but also those with fibrinogen levels ≤ 1.5 ...

    Mamoru Morikawa, Shigetaka Matsunaga in International Journal of Hematology (2021)

  8. Article

    Open Access

    Tadalafil treatment in mice for preeclampsia with fetal growth restriction has neuro-benefic effects in offspring through modulating prenatal hypoxic conditions

    We have demonstrated that tadalafil facilitates fetal growth in mice with L-NG-nitroarginine methyl ester (L-NAME)-induced preeclampsia (PE) with fetal growth restriction (FGR). Tadalafil is a selective phosph...

    Ryota Tachibana, Takashi Umekawa, Kento Yoshikawa, Takao Owa in Scientific Reports (2019)

  9. Article

    Open Access

    Myocardial tissue characterization and strain analysis in healthy pregnant women using cardiovascular magnetic resonance native T1 map** and feature tracking technique

    Peripartum cardiomyopathy is a life-threatening condition that occurs during the peripartum period in previously healthy women. Cardiovascular magnetic resonance (CMR) T1 map** permits sensitive detection of...

    Masafumi Nii, Masaki Ishida, Kaoru Dohi in Journal of Cardiovascular Magnetic Resonan… (2018)

  10. Article

    Open Access

    Early-onset fetal growth restriction treated with the long-acting phosphodiesterase-5 inhibitor tadalafil: a case report

    Severe early-onset fetal growth restriction occurs in 0.4 % of all pregnancies, and the prognoses of these patients are dismal. Severely growth-restricted fetuses (far below 500 g) are thought to be nonviable....

    Mito Sakamoto, Kazuhiro Osato, Michiko Kubo in Journal of Medical Case Reports (2016)