- Pregnancy and preeclampsia studies
- Ectopic Pregnancy Diagnosis and Management
- Maternal and Perinatal Health Interventions
- Preterm Birth and Chorioamnionitis
- Pregnancy-related medical research
- Maternal and fetal healthcare
- Prenatal Screening and Diagnostics
- Gestational Diabetes Research and Management
- Pelvic floor disorders treatments
- Assisted Reproductive Technology and Twin Pregnancy
- Cardiovascular Health and Disease Prevention
- Parvovirus B19 Infection Studies
- Vascular Malformations and Hemangiomas
- Hemoglobinopathies and Related Disorders
- Birth, Development, and Health
- Myeloproliferative Neoplasms: Diagnosis and Treatment
- Chronic Disease Management Strategies
- Fetal and Pediatric Neurological Disorders
- Hematopoietic Stem Cell Transplantation
- Blood Pressure and Hypertension Studies
- Balance, Gait, and Falls Prevention
- Gestational Trophoblastic Disease Studies
- Spacecraft and Cryogenic Technologies
- Ureteral procedures and complications
- Blood groups and transfusion
Nippon Medical School
2008-2025
Nippon Medical School Hospital
2022-2024
Tokyo Women's Medical University
2018-2019
Nippon Medical School Musashi Kosugi Hospital
2015-2018
International University of Health and Welfare
2018
To evaluate whether type and location of placenta previa affect risk antepartum hemorrhage-related preterm delivery.We retrospectively studied 162 women with singleton pregnancies presenting previa. Through observation using transvaginal ultrasound the were categorized into complete or incomplete previa, then assigned to anterior posterior groups. Complete was defined as a that completely covered internal cervical os, placental margin >2 cm from os. Incomplete comprised marginal whose...
Abstract Aim This is the first report of a randomized trial cerclage on pure cervical shortening without vaginosis or cervicitis. The objective our multicenter controlled was to assess benefits ultrasound‐indicated in mid‐trimester prevent preterm birth women who have no signs infection inflammation lower genital tract. Material and Methods Women with short length < 25 mm between 16 26 weeks gestation were randomly assigned receive Shirodkar cerclage, McDonald bedrest (no cerclage)....
Abstract Aim Maternal vitamin K (VK) deficiency can lead to fetal complications such as cerebral hemorrhage and bone malformations. In this study, we aimed analyze changes in prothrombin time (PT) protein induced by VK absence or antagonist II (PIVKA‐II) patients with severe hyperemesis gravidarum suspected deficiency. Methods We compared 151 treated intravenous nutrition 46 undergoing cervical suturing benign ovarian tumor surgery before mid‐pregnancy. Results the group, coagulation...
The aims of this study were to assess the frequency inpatient falls and evaluate potential risk factors in an academic hospital.An electronic audit database at Tama-Nagayama Hospital Nippon Medical School from April 2004 through March 2005 was performed. Inpatient registered regularly with incident reports submitted by nurses other hospital employees discovering fall. All inpatients analyzed for using univariate multivariate logistic regression analysis.Of 8,537 patients, 109 (1.3%) fell....
The incidence of placenta previa has been increasing. It is a great importance to determine the clinical risk factors for peripartum blood transfusion in women with an effort anticipate cases severe hemorrhage.A total 129 consecutive (64 complete and 65 marginal previa), including 43 requiring transfusion, were retrospectively analyzed. Maternal neonatal data examined univariate multivariate logistic regression analyses potential transfusion.The independent maternal age greater than 34 years...
Objective: To examine whether the presence of amniotic fluid sludge (AFS) could increase risk preterm delivery in women with a cervical length (CL) less than 25 mm.Materials and methods: This is retrospective cohort study 110 who were 14-30 weeks pregnant singleton gestation CL mm. The primary outcomes defined as before 34 37 weeks. secondary outcome was premature rupture membranes (PPROM) prior to delivery. Risk factors for AFS, subchorionic hematoma (SCH), history delivery, 20 mm, 15 A...
The objective of this study was to explore factors influencing the accuracy transvaginal digital examination for determining fetal head position during first stage labor.Fetal assessed in 87 women labor at term with normal singleton cephalic presentation. Transvaginal examinations were performed by attending midwives and followed immediately transabdominal ultrasound assessments a single sonographer. Accuracy defined as agreement results each examination. Multivariate logistic regression...
Cesarean scar pregnancy is one of the rare types ectopic pregnancy. Ultrasonography enables early diagnosis and successful preservation uterus. However, correct cesarean can be difficult in some cases. We describe a case that was initially misdiagnosed on basis current ultrasonographic criteria. Ultrasonographic images at 9 weeks' gestation demonstrated no gestational sac but did show bulging mass uterine wall with irregularly shaped hypoechoic areas, which resembled lacunae placenta previa....
<b><i>Objective:</i></b> To clarify whether distinguishing between the uterine isthmus and cervix can improve accuracy of diagnosing placenta previa at term. <b><i>Methods:</i></b> A multicenter prospective observational study was conducted among pregnant women with suspected 20-24 weeks' gestation. Subjects were divided into open group closed group. The term compared 2 groups. <b><i>Results:</i></b> We screened 9,341...
Abstract Aim To assess the preventive effect on preterm birth of intravaginal ulinastatin (urinary trypsin inhibitor; UTI) administration during mid‐trimester in women with singleton pregnancy and both cervical shortening lower genital infections. Methods Pregnant a short length < 25 mm between 16 26 weeks gestation who had been diagnosed infection were randomly assigned for UTI or placebo. All screened inflammation tract, negative results excluded. Results Of 92 patients assessed...
A multicenter study on home blood pressure measurement (HBPM) targeting Japanese pregnant women by the Japan Society for Study of Hypertension in Pregnancy (JSSHP) has been ongoing since 2016. To date, over 200 have enrolled. This is an interim report.
Miscarriage occurs in 10-15% of pregnancies and recurrent pregnancy loss (RPL) 1% couples hoping for a child. Various risk factors, such as thrombophilia, uterine malformation, embryonic chromosomal aberration cause RPL. We hypothesized that antithrombotic therapy RPL patients with thrombophilia would reduce miscarriage due to which the total miscarriages result relative increase aberrations. In this study, we investigated incidence aberrations products conception without therapy.We...
The fetal sample used for embryonic chromosome analysis is often contaminated with maternal cells, making it difficult to evaluate the chromosomes. We examined on rate of cell contamination and its relationship information in missed abortions using Giemsabanding method.Chromosome was performed 200 cases delayed miscarriages first trimester between July 1, 2000 May 31, 2019. Chorionic villi were collected analyzed Giemsa banding method. Among 20 cells which chromosomal examination performed,...
Abstract Aim This study aimed to investigate the current status of progestogen treatment for pregnant women at a high risk preterm birth (PTB) in childbirth healthcare facilities Japan. Methods A web‐based nationwide questionnaire survey regarding use prevention PTB was conducted among from 2019 2021. Results Valid responses were obtained 528 (25.2% those surveyed), including 155 tertiary perinatal (making up 92.3% all care facilities). In period, implemented 207 (39.2%) prevention....
A pregnant woman with severe aplastic anemia was managed using biweekly red blood cell transfusion and oral eltrombopag olamine administration during pregnancy. She diagnosed preeclampsia at 35 weeks of gestation. The severity is very important for predicting the course