Rie Usui
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View article: The associations of fetomaternal hemorrhage with fetal growth restriction and umbilical cord abnormalities: A nationwide observational study
The associations of fetomaternal hemorrhage with fetal growth restriction and umbilical cord abnormalities: A nationwide observational study Open
The occurrence of FMH was significantly associated with FGR and a single umbilical artery. In addition, abnormal umbilical cord insertion was significantly associated with stillbirth or neonatal death among those with FMH. We need to be ca…
View article: Uterine cervical conisation and chorioamnionitis: A nationwide observational study
Uterine cervical conisation and chorioamnionitis: A nationwide observational study Open
Objective To investigate whether conisation increases chorioamnionitis (CAM) and assess whether this risk differs between preterm and term periods. Furthermore, we estimated mediation effects of CAM between conisation and preterm birth (PT…
View article: Maternal outcomes of placental abruption with intrauterine fetal death and delivery routes: A nationwide observational study
Maternal outcomes of placental abruption with intrauterine fetal death and delivery routes: A nationwide observational study Open
Introduction Placental abruption is a serious complication, especially when accompanied by intrauterine fetal death. The optimal delivery route for placental abruption with intrauterine fetal death for reducing maternal complications is st…
View article: Bleeding-related outcomes of low-risk total placenta previa are equivalent to those of partial/marginal placenta previa
Bleeding-related outcomes of low-risk total placenta previa are equivalent to those of partial/marginal placenta previa Open
Prior CS, anterior placenta, and placental lacunae on ultrasound were risk factors for a bleeding-related poor outcome in total PP patients. Total PP patients without these three factors showed the same bleeding-related poor outcome as par…
View article: Prognosis and Prognostic Factors of Patients with Emergent Cerclage: A Japanese Single-Center Study
Prognosis and Prognostic Factors of Patients with Emergent Cerclage: A Japanese Single-Center Study Open
Objectives. The aims of this study were to clarify the following: (1) how often does prolonged pregnancy ≥34 weeks occur in patients with emergent cerclage without progesterone and (2) the risk factors preventing such pregnancy continuatio…
View article: Opportunistic salpingectomy at cesarean delivery in Japan: A questionnaire for registered physicians of the MFICU Liaison Council
Opportunistic salpingectomy at cesarean delivery in Japan: A questionnaire for registered physicians of the MFICU Liaison Council Open
Aim: A questionnaire survey was conducted to establish whether opportunistic salpingectomy has been performed at cesarean delivery or is intended in the future and also to clarify the steps taken to achieve the goal of performing opportuni…
View article: Long-term outcome of fetus with ameliorated cystic hygroma
Long-term outcome of fetus with ameliorated cystic hygroma Open
Physicians should pay attention to fetuses/neonates with ameliorated cystic hygroma. Of those, special attention should be paid to fetuses/neonates with a nuchal thickness at diagnosis ≥5 mm.
View article: Proteinuria as a novel risk factor for allogeneic blood transfusion irrespective of single or twin pregnancy
Proteinuria as a novel risk factor for allogeneic blood transfusion irrespective of single or twin pregnancy Open
Objective: To clarify whether isolated proteinuria (IP) is an independent risk factor for blood transfusion (BT) for postpartum hemorrhage (PPH), and whether risk factors for BT identified in single pregnancy also apply to twin pregnancy. …
View article: Uterine necrosis following uterine artery embolism due to postpartum hemorrhage: A case report and review
Uterine necrosis following uterine artery embolism due to postpartum hemorrhage: A case report and review Open
Uterine necrosis after uterine artery embolization (UAE) for postpartum hemorrhage (PPH) is relatively rare. A 29-year-old primiparous woman had a diamniotic dichorionic twin pregnancy following frozen blastocyst transfer. She developed pr…
View article: Intrauterine balloon failure: unrecognized placenta accreta spectrum disorders
Intrauterine balloon failure: unrecognized placenta accreta spectrum disorders Open
Several studies indicate that intrauterine balloon (IUB) use is less effective for postpartum hemorrhage (PPH) due to placenta accreta spectrum (PAS) disorders than that due to atonic bleeding. IUB failed to achieve hemostasis because the …
View article: Interstitial Pregnancy in the Third Trimester with Severe Preeclampsia: A Case Report and Literature Review
Interstitial Pregnancy in the Third Trimester with Severe Preeclampsia: A Case Report and Literature Review Open
An interstitial pregnancy that continues beyond the second trimester is a rare phenomenon. We report a patient with an interstitial pregnancy undiagnosed until the third trimester. A multiparous woman was referred to us because of preeclam…
View article: A Potentially Useful Addition to Predict Spontaneous Resolution of Uterine Artery Pseudoaneurysm: Absence of Diastolic Flow
A Potentially Useful Addition to Predict Spontaneous Resolution of Uterine Artery Pseudoaneurysm: Absence of Diastolic Flow Open
Pregnancy‐associated uterine artery pseudoaneurysm (UAP) usually requires transarterial embolization (TAE) irrespective of the presence/absence of current bleeding. Some UAP cases spontaneously resolve without TAE; however, such UAP is not…
View article: Hysterectomy for cesarean scar pregnancy: no or minimal bladder separation technique
Hysterectomy for cesarean scar pregnancy: no or minimal bladder separation technique Open
For cesarean scar pregnancy (CSP), various uterus-preserving treatments have been proposed; however, hysterectomy is eventually required in some cases 1, 2. Hysterectomy-related adverse events should be avoided, especially in CSP-hysterect…
View article: Uterine-fundal hypoechoic mass: a possible ultrasound sign for cesarean scar pregnancy
Uterine-fundal hypoechoic mass: a possible ultrasound sign for cesarean scar pregnancy Open
Patients with CSP more frequently had a uterine-fundal hypoechoic mass, whose detection may trigger a detailed observation of the CSP site, possibly leading to CSP diagnosis.
View article: Ritodrine‐induced rhabdomyolysis, infantile myotonic dystrophy, and maternal myotonic dystrophy unveiled
Ritodrine‐induced rhabdomyolysis, infantile myotonic dystrophy, and maternal myotonic dystrophy unveiled Open
A primiparous pregnant woman in remission of myositis suffered very acute‐onset ritodrine‐induced rhabdomyolysis. At 29 gestational weeks, ritodrine was administered for threatened preterm labor. Just 3 h later, she complained of severe li…
View article: Urinary protein‐to‐creatinine ratio indicative of significant proteinuria in normotensive pregnant women
Urinary protein‐to‐creatinine ratio indicative of significant proteinuria in normotensive pregnant women Open
Aim In hypertensive pregnant women, the protein‐to‐creatinine (P/C) ratio is well correlated with 24‐h proteinuria and a P/C ratio of 0.27 (g/gCr) is used to reflect significant proteinuria (>0.3 g/day). The aim of this study was to obtain…
View article: Factors Contributing to Massive Blood Loss on Peripartum Hysterectomy for Abnormally Invasive Placenta: Who Bleeds More?
Factors Contributing to Massive Blood Loss on Peripartum Hysterectomy for Abnormally Invasive Placenta: Who Bleeds More? Open
Introduction . To identify factors that determine blood loss during peripartum hysterectomy for abnormally invasive placenta (AIP-hysterectomy). Methods . We reviewed all of the medical charts of 11,919 deliveries in a single tertiary peri…
View article: Mismatch between estimated blood loss and shock index in transferred women with postpartum hemorrhage
Mismatch between estimated blood loss and shock index in transferred women with postpartum hemorrhage Open
Aim: To evaluate whether there are any women with postpartum hemorrhage (PPH) showing a hemoglobin (Hb) concentration of < 7.0 g /dl in cases with estimated blood loss of < 1,500 ml or a shock index (SI) of > 1.5 in cases with estimated bl…