Koji Nishijima
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View article: Impact of frozen embryo transfer on placenta accreta and institutional variations
Impact of frozen embryo transfer on placenta accreta and institutional variations Open
View article: Primiparity, older maternal age, COVID-19 pandemic, twin birth, and winter birth are associated with lower exclusive breastfeeding in Japanese mothers
Primiparity, older maternal age, COVID-19 pandemic, twin birth, and winter birth are associated with lower exclusive breastfeeding in Japanese mothers Open
Exclusive breastfeeding is essential for the health and well-being of both mothers and infants, but various factors may influence whether mothers are able to sustain exclusive breastfeeding during the early postpartum period. In this study…
View article: A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis
A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis Open
Daiobotanpito (DBT) is a Kampo formula traditionally used to treat abscesses in intestinal disorders. This double-blind, multicenter, randomized controlled trial was conducted at participating hospitals in Japan. Patients with CT-proven mo…
View article: Impact of adult attachment style on bonding mediated by depression and anxiety across the perinatal period
Impact of adult attachment style on bonding mediated by depression and anxiety across the perinatal period Open
We found that the impact of adult attachment style on bonding was mediated by depression and anxiety across the perinatal period. Early screening and intervention for depressive and anxiety symptoms related to the mother's attachment towar…
View article: Sustained Maternal Antibodies Against Parechovirus‐A3 During the Coronavirus Disease 2019 Pandemic
Sustained Maternal Antibodies Against Parechovirus‐A3 During the Coronavirus Disease 2019 Pandemic Open
The epidemiology of parechovirus‐A3 (PeV‐A3) infection in neonates and young infants changed during the coronavirus disease 2019 (COVID‐19) pandemic. We hypothesized the pandemic impacted maternal antibodies against PeV‐A3. To test this hy…
View article: Appendiceal cancer in pregnancy and circulating tumor cells detection in the umbilical cord
Appendiceal cancer in pregnancy and circulating tumor cells detection in the umbilical cord Open
View article: P-1191. Maternal Antibodies Against Parechovirus-A3 Before and During the Coronavirus Disease 2019 Pandemic
P-1191. Maternal Antibodies Against Parechovirus-A3 Before and During the Coronavirus Disease 2019 Pandemic Open
Background Parechovirus-A3 (PeV-A3) is an important emerging virus that causes severe disease in neonates and young infants. The coronavirus disease 2019 (COVID-19) pandemic greatly affected the incidence of infectious diseases, including …
View article: Influence of Warning Bleeding on Blood Loss in Low-Lying Placenta
Influence of Warning Bleeding on Blood Loss in Low-Lying Placenta Open
View article: Resonance-enhanced multiphoton ionization time-of-flight mass spectrometry for direct analysis of liposome-encapsulated compounds
Resonance-enhanced multiphoton ionization time-of-flight mass spectrometry for direct analysis of liposome-encapsulated compounds Open
The direct measurement of compounds encapsulated into liposomes without pretreatment allows verification of both the encapsulation efficiency and the release rate of liposomes in their original state. In the present study, the direct analy…
View article: Impact of gestational age on the management of acute appendicitis during pregnancy: A nationwide observational study
Impact of gestational age on the management of acute appendicitis during pregnancy: A nationwide observational study Open
Objective To compare conservative management and appendectomy for acute appendicitis during pregnancy by trimester. Methods This retrospective cohort study used data from a national inpatient database from July 2010 to March 2022. Pregnant…
View article: Pregnancy Following Spontaneous Healing of Uterine Rupture: A Case Report and Experience of Management
Pregnancy Following Spontaneous Healing of Uterine Rupture: A Case Report and Experience of Management Open
View article: Updated criteria for the approval of subsequent pregnancy after cesarean section with a transverse uterine fundal incision based on 17 years of experience
Updated criteria for the approval of subsequent pregnancy after cesarean section with a transverse uterine fundal incision based on 17 years of experience Open
In the case of placenta previa‐accreta when the placenta covers the entire anterior uterine wall, it is difficult to avoid transecting the placenta by traditional low‐transverse cesarean section (CS), resulting in catastrophic hemorrhage a…
View article: Impact of gestational age on the management of acute appendicitis during pregnancy: a nationwide observational study
Impact of gestational age on the management of acute appendicitis during pregnancy: a nationwide observational study Open
Objective: To compare between conservative management and appendectomy for acute appendicitis during pregnancy by trimester. Design: Retrospective cohort study. Setting: 632 acute-care hospitals in Japan. Population: Pregnant women diagnos…
View article: Fetal Hydrops Associated With 47,XXX: A Case Report and Literature Review
Fetal Hydrops Associated With 47,XXX: A Case Report and Literature Review Open
This report aims to investigate the association between 47,XXX and fetal hydrops by examining a clinical case and performing a comprehensive review of the relevant literature. A 34-year-old Japanese woman, gravida 2, para 1, was diagnosed …
View article: Evaluation of incision healing status after transverse uterine fundal incision for cesarean delivery and postoperative pregnancy: a ten-year single-center retrospective study
Evaluation of incision healing status after transverse uterine fundal incision for cesarean delivery and postoperative pregnancy: a ten-year single-center retrospective study Open
Background Transverse uterine fundal incision (TUFI) is a beneficial procedure for mothers and babies at risk due to placenta previa-accreta, and has been implemented worldwide. However, the risk of uterine rupture during a subsequent preg…
View article: The three-factor structure of the Autism-Spectrum Quotient Japanese version in pregnant women
The three-factor structure of the Autism-Spectrum Quotient Japanese version in pregnant women Open
Background There is a rising interest in perinatal mental health studies, and proper psychometric tools to assess autistic traits among this population in Japan are vital. Objective This study aimed to clarify the optimal factor structure …
View article: Incidence of Recurrent Uterine Rupture
Incidence of Recurrent Uterine Rupture Open
OBJECTIVE: We aimed to quantify the incidence of recurrent uterine rupture in pregnant women. DATA SOURCES: A literature search of PubMed, Web of Science, Cochrane Central, and ClinicalTrials.gov for observational studies was performed fro…
View article: AJOG MFM Table of Contents
AJOG MFM Table of Contents Open
View article: Importance of understanding the operative procedures of the transverse uterine fundal incision, postoperative management, and patient education
Importance of understanding the operative procedures of the transverse uterine fundal incision, postoperative management, and patient education Open
We read with great interest the article by Koshimizu et al.1 because it alerted us to the fact that inappropriate management of subsequent pregnancy after transverse uterine fundal incision (TUFI) can be fatal to the mother and fetus. TUFI…
View article: Dedifferentiated fat cells administration ameliorates abnormal expressions of fatty acids metabolism-related protein expressions and intestinal tissue damage in experimental necrotizing enterocolitis
Dedifferentiated fat cells administration ameliorates abnormal expressions of fatty acids metabolism-related protein expressions and intestinal tissue damage in experimental necrotizing enterocolitis Open
Neonatal necrotizing enterocolitis (NEC) is a serious disease of premature infants that necessitates intensive care and frequently results in life-threatening complications and high mortality. Dedifferentiated fat cells (DFATs) are mesench…
View article: Pathologically diagnosed placenta accreta spectrum without placenta previa: a systematic review and meta-analysis
Pathologically diagnosed placenta accreta spectrum without placenta previa: a systematic review and meta-analysis Open
View article: Pregnancy outcomes at maternal age over 45 years: a systematic review and meta-analysis
Pregnancy outcomes at maternal age over 45 years: a systematic review and meta-analysis Open
Adverse pregnancy outcomes, typically cesarean delivery, were more likely to occur in older (≥45 years) pregnant patients than in younger pregnant patients. However, the assisted delivery rate was lower in older pregnant patients.
View article: Noninvasive Fetal Lung Maturity Prediction Based on Amniotic Fluid Turbidity Using Ultrasonic Histogram Measurement Function
Noninvasive Fetal Lung Maturity Prediction Based on Amniotic Fluid Turbidity Using Ultrasonic Histogram Measurement Function Open
Background: Amniotic fluid turbidity increases with fetal lung maturation due to vernix and lung surfactant micelles suspended in the amniotic fluid. This study focused on this phenomenon and evaluated the presence or absence of respirator…
View article: Relaxin improves blood pressure and fetal growth restriction in a murine model of nitric oxide synthase inhibitor-induced hypertensive disorders of pregnancy
Relaxin improves blood pressure and fetal growth restriction in a murine model of nitric oxide synthase inhibitor-induced hypertensive disorders of pregnancy Open
Aim: This study aimed to investigate the effects of relaxin (RLX) on hypertensive disorders of pregnancy (HDP) and fetal growth restriction (FGR) using a nitric oxide synthase (NOS) inhibitor-induced HDP murine model.
View article: Unexpected uterine body placenta accreta spectrum with placenta previa in a subsequent pregnancy after uterine artery embolization: a case report
Unexpected uterine body placenta accreta spectrum with placenta previa in a subsequent pregnancy after uterine artery embolization: a case report Open
Background A subsequent pregnancy after uterine artery embolization (UAE) raises several concerns, one of which is placenta accreta spectrum (PAS). Placenta previa is the strongest risk factor for PAS, which is most likely to occur in the …
View article: Fetal biometric and Doppler measurements following abdominal radical trachelectomy in the second trimester of the pregnancy
Fetal biometric and Doppler measurements following abdominal radical trachelectomy in the second trimester of the pregnancy Open
Background Our previous study demonstrated the safety and effectiveness of abdominal radical trachelectomy during pregnancy but did not focus on the fetus. This study aimed to clarify the influence of abdominal radical trachelectomy perfor…
View article: Challenges facing workstyle reform for Japanese obstetricians and gynecologists revealed from time studies
Challenges facing workstyle reform for Japanese obstetricians and gynecologists revealed from time studies Open
Aim We aimed to grasp the actual working hours of Japanese obstetricians and gynecologists (OB/GYN doctors) as accurately as possible, using the same method of the Ministry of Health, Labour, and Welfare (MHLW). Methods The time study targ…
View article: Massive ascites due to lupus peritonitis in a patient with pre-eclampsia and systemic lupus erythematosus: a case report
Massive ascites due to lupus peritonitis in a patient with pre-eclampsia and systemic lupus erythematosus: a case report Open
Background Patients with systemic lupus erythematosus (SLE) are associated with pre-eclampsia. Pre-eclampsia can have systemic manifestations, such as ascites. Lupus peritonitis, a rare condition in patients with SLE, can also cause ascite…
View article: Successful repeated uterine artery embolization in postpartum hemorrhage with disseminated intravascular coagulation: a case report and literature review
Successful repeated uterine artery embolization in postpartum hemorrhage with disseminated intravascular coagulation: a case report and literature review Open
View article: Noninvasive positive-pressure ventilation in pregnancy to treat acute pulmonary edema induced by tocolytic agents: a case report
Noninvasive positive-pressure ventilation in pregnancy to treat acute pulmonary edema induced by tocolytic agents: a case report Open