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Ultrasound in Obstetrics & Gynecology

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https://www.readbyqxmd.com/read/28233462/first-trimester-prediction-of-surgical-outcome-in-abnormal-invasive-placenta-using-the-cross-over-sign
#1
Giuseppe Cali, Francesco Forlani, Gabriella Minneci, Francesca Foti, Sergio Di Liberto, Alessandra Familiari, Giovanni Scambia, Francesco D'Antonio
OBJECTIVE: Ultrasound assessment of the relationship between the ectopic gestational sac and the endometrial line (COS sign) in caesarean scar pregnancy (CPS) has been shown to be useful in predicting its evolution towards different types of abnormal invasive placenta (AIP). The aim of this study was to ascertain whether COS sign can be used to predict surgical outcome in women with AIP. METHODS: Retrospective analysis of early first trimester (6-8 weeks of gestation) ultrasound images of women with AIP treated in the third trimester of pregnancy...
February 24, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28233418/a-non-invasive-and-automatic-ultrasound-technique-for-progression-angle-measurements-during-childbirth-labor
#2
Francesco Conversano, Marco Peccarisi, Paola Pisani, Marco Di Paola, Tommaso De Marco, Roberto Franchini, Antonio Greco, Gerardo D'Ambrogio, Sergio Casciaro
OBJECTIVES: To evaluate the accuracy and reliability of a new ultrasound technique for a non-invasive and automatic assessment of the progression angle (PA) during childbirth labor monitoring. METHODS: A total of 39 pregnant women in the second stage of labor, with fetuses in cephalic presentation, underwent the conventional labor management and additional translabial echographic acquisitions. PA was measured on a total of 95 acquisition sessions both automatically by an innovative algorithm and manually by an experienced sonographer, who was blind with respect to algorithm outcomes...
February 24, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28233347/validation-of-a-prediction-model-for-successful-vaginal-birth-after-cesarean-delivery-based-on-sonographic-assessment-of-a-hysterotomy-scar
#3
A Baranov, K Å Salvesen, O Vikhareva
OBJECTIVE: To validate a prediction model for successful vaginal birth after Cesarean delivery (VBAC) based on sonographic assessment of a hysterotomy scar, in a Swedish population. METHODS: Data were collected from a prospective cohort study. Women aged 18-35 years who had one previous low-transverse Cesarean delivery performed at ≥37 gestational weeks and no other uterine surgery were recruited. Participants underwent transvaginal ultrasound examinations of the Cesarean hysterotomy scar at 11 + 0-13 + 6 and 19 + 0-21 + 6 gestational weeks...
February 24, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28233408/a-human-embryo-in-the-palm-of-your-hand
#4
LETTER
Boris Tutschek, Harm-Gerd K Blaas
A human embryo in the palm of your hand (R1) Based on histological examinations of embryos and fetuses Wilhelm His established classic human embryology. Already in the 1880s he emphasized the need for 3D models.1 In 1883 the laborious "Plattenmodellirmethode" was used to generate (enlarged) 3D models of embryos, which markedly improved understanding of early human development.2 Conventional anatomical techniques were applied to aborted human embryos of the so-called Carnegie collection.3 Recently, 3D MRI data of these embryos have been added...
February 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28233352/small-cell-lung-cancer-metastatic-to-the-ovary-diagnosed-during-pregnancy
#5
LETTER
F Moro, F Mascilini, E Casella, T Pasciuto, G Scambia, A C Testa
No abstract text is available yet for this article.
February 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28229509/three-dimensional-ultrasound-imaging-of-the-fetal-skull-and-face
#6
EDITORIAL
Boris Tutschek, Harm-Gerd K Blaas, Jacques Abramowicz, Kazunori Baba, Jing Deng, Wesley Lee, Eberhard Merz, Larry Platt, Dolores Pretorius, Ilan Timor-Tritsch, Liat Gindes
No abstract text is available yet for this article.
February 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28195383/the-morphological-ultrasound-types-known-as-blob-and-bagel-signs-should-be-reclassified-from-probable-to-definite-ectopic-pregnancy
#7
Batool Nadim, Fernando Infante, Lu Chuan, Nalayini Sathasivam, George Condous
OBJECTIVES: In a recent consensus statement on early pregnancy nomenclature by Barnhart 2011, a definite ectopic pregnancy(EP) was defined morphologically on transvaginal ultrasound (TVS) as an extra-uterine gestational sac(GS) with yolk sac and/or embryo(with or without cardiac activity) whilst a probable EP defined as an inhomogeneous adnexal mass("blob" sign) or extra-uterine sac-like structure("bagel" sign). This study aims to determine whether the ultrasound markers used to define probable EP can be used to predict a definite tubal EP...
February 13, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28182335/how-to-monitor-pregnancies-complicated-by-fetal-growth-restriction-and-delivery-below-32-weeks
#8
W Ganzevoort, N Mensing van Charante, B Thilaganathan, F Prefumo, B Arabin, C M Bilardo, C Brezinka, J B Derks, A Diemert, J J Duvekot, E Ferrazzi, T Frusca, K Hecher, N Marlow, P Martinelli, E Ostermayer, A T Papageorghiou, D Schlembach, Ktm Schneider, T Todros, A Valcamonico, Gha Visser, A van Wassenaer-Leemhuis, C C Lees, H Wolf
OBJECTIVES: In the recent TRUFFLE study it appeared that, in pregnancies complicated by fetal growth restriction (FGR) between 26 and 32 weeks, monitoring of the ductus venosus (DV) combined with computerised cardiotocography (cCTG) as a trigger for delivery, increased the chance of infant survival without neurological impairment. However, concerns in interpretation were raised as DV monitoring appeared associated with a non-significant increase in fetal death, and part of the infants were delivered after 32 weeks, after which the study protocol was no longer applied...
February 9, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28170124/physiologic-adaptation-of-endothelial-function-to-pregnancy-a-systematic-review-and-meta-analysis
#9
REVIEW
Veronica A Lopes van Balen, Tessa A G van Gansewinkel, Sander de Haas, Sander M J van Kuijk, Joris van Drongelen, Chahinda Ghossein-Doha, Marc E A Spaanderman
OBJECTIVES: The purpose of this systematic review and meta-analysis is to establish reference values for flow mediated dilatation (FMD) and baseline brachial artery diameter in pregnancy (BBAD) and, to provide insight in the physiological and pathological course of endothelial adaptation throughout human singleton pregnancies. METHODS: A meta-analysis was performed by a systematic review of current literature on FMD, as a derivative for endothelial function, throughout uncomplicated and complicated pregnancies...
February 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28170121/total-anomalous-pulmonary-venous-connection-to-an-unroofed-coronary-sinus-diagnosed-in-a-fetus-with-associated-spinal-muscular-atrophy-type-i
#10
LETTER
Sylvia Krupickova, Michael L Rigby, Hana Jicinska, Grant Marais, Michael Rubens, Julene S Carvalho
Total anomalous pulmonary venous connection (TAPVC) to unroofed coronary sinus is a rare cardiac condition. We report the first case of antenatal diagnosis which had a rapid and fatal neonatal course due to spinal muscular atrophy (SMA) type I (Werdnig-Hoffmann disease). The diagnosis of TAPVC with unroofing of the coronary sinus was made at 26 weeks' gestation, although a dilated inferior caval vein had been recognised at 23 weeks' gestation. Due to profound hypotonia after birth, genetic review followed by muscle biopsy was performed due to presumptive diagnosis of SMA...
February 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28170117/prevention-of-preterm-birth-with-pessary-in-twins-poppt-a-randomized-controlled-trial
#11
Vincenzo Berghella, Lorraine Dugoff, Jack Ludmir
OBJECTIVES: To evaluate if cervical pessary placement prevents PTB in twin gestations with a short midtrimester transvaginal ultrasound (TVU) cervical length (CL). METHODS: Multicenter randomized controlled trial of asymptomatic women with twin gestations with a TVU CL ≤30 mm at 18(0) -27(6) weeks. TVU CL screening was performed at the time of the anatomy scan at 18(0) -23(6) , and at subsequent scheduled ultrasounds prior to 28 weeks. Women with a TVU CL ≤30 mm at 18(0) -27(6) weeks were randomized to receive the Bioteque cup cervical pessary or no pessary...
February 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28150444/the-influence-of-chorionicity-and-gestational-age-at-single-fetal-loss-on-the-risk-of-preterm-birth-in-twin-pregnancies-analysis-of-the-stork-multiple-pregnancy-cohort
#12
Francesco D'Antonio, Basky Thilaganathan, Tiran Dias, Asma Khalil
BACKGROUND: Single intrauterine death (sIUD) in twin pregnancies is associated with a significant risk of co-twin demise and preterm birth (PTB), especially in monochorionic (MC) twins. However, it is yet to be established whether the gestational age at loss may influence the pregnancy outcome. The aim of this study was to explore the risk of PTB according to the gestational age at the diagnosis of sIUD. METHODS: A cohort study of all twin pregnancies from a large regional network of 9 hospitals over a ten-year period...
February 2, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28150442/on-the-safety-of-elastography-in-fetal-medicine-a-preliminary-study-of-hypoacusia
#13
LETTER
Paloma Massó, Guillermo Rus, Francisca Molina
OBJECTIVE: Elastography is a valuable promising tool to provide additional information on the process of cervical effacement to that obtained from digital examination and conventional ultrasound. Among the different techniques, transient, or acoustic radiation force elastography (ARFE) is becoming the most common commercial elastography technique. However, the high intensity focussed beam that ARFE emits to generate the shear waves has raised some concerns about its safety during pregnancy...
February 2, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28150433/impaired-maternal-hemodynamics-in-morbidly-obese-women-a-case-control-study
#14
D Vinayagam, J Gutierrez, J Binder, E Mantovani, B Thilaganathan, A Khalil
AIM: Maternal obesity is associated with significant pregnancy complications and is a risk factor for the development of hypertensive disorders of pregnancy as well as other adverse outcomes. There are few data regarding the hemodynamic aberrations observed in maternal obesity. The aim of this study was to investigate maternal hemodynamics in morbidly obese pregnant women. METHODS: This was a prospective, case-control study of morbidly obese women (BMI >40 kg/m(2) ) and controls (BMI 20-29...
February 2, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28150421/a-case-of-fetal-right-ventricular-aneurysm-caused-by-chronic-progressive-myocardial-ischemia
#15
LETTER
Phuoc Duong, Srinivas Annavarapu, Paul Moran, Angela McBrien
Ventricular aneurysm is a rare fetal heart defect. Little is known about the underlying cause and prognosis of this condition. We are presenting a case of right ventricular aneurysm with histological evidence of progressive fetal myocardial ischaemia within the affected right coronary territory, suggesting infarction or chronic ischaemia could be the underlying pathogenesis of aneurysm. The case was diagnosed at 25 weeks of gestation and underwent feticide at 28 weeks of gestational age. With better understanding of the causative mechanism, counseling and management options could be more directed...
February 2, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28133847/fetal-megacystis-prediction-of-spontaneous-resolution-and-outcome
#16
F Fontanella, L Duin, P N Adama van Scheltema, T E Cohen-Overbeek, E Pajkrt, M Bekker, C Willekes, C J Bax, C M Bilardo
OBJECTIVES: To predict likelihood of spontaneous resolution during fetal life and postnatal outcome of fetal megacystis, diagnosed in all trimesters in pregnancy. METHODS: This was a national retrospective cohort study. Fetal megacystis was defined in the first trimester as a longitudinal bladder diameter (LBD) ≥ 7 mm, and in the 2(nd) and 3(rd) trimester as an enlarged bladder failing to empty during the entire extended ultrasound (US) examination. LBD and GA at resolution were investigated as of likelihood of resolution and of postnatal outcome, respectively...
January 30, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28133836/the-flaming-tube-sign-at-hysterosalpingo-lidocaine-foam-sonography-combined-with-power-doppler-imaging-hylifosy-pd-description-of-the-technique
#17
A Ludwin, C O Nastri, I Ludwin, W P Martins
No abstract text is available yet for this article.
January 30, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28133835/the-cut-off-value-for-normal-nuchal-translucency-evaluated-by-chromosomal-microarray-analysis
#18
Idit Maya, Shiri Yacobson, Sarit Kahana, Josepha Yeshaya, Tamar Tenne, Ifaat Agmon-Fishman, Lital Cohen-Vig, Mordechai Shohat, Lina Basel-Vanagaite, Reuven Sharony
OBJECTIVES: An association between isolated, increased nuchal translucency thickness and pathogenic chromosomal microarray analysis (CMA) has been reported. A recent meta-analysis reported that most studies used a 3.5 mm cut-off value. Considering nuchal translucency distribution and the commonly accepted 5% false positive rate in maternal serum screening, nuchal translucency cut-off levels should be reconsidered. This study evaluated the unique contribution of CMA to the investigation of foetuses with mildly increased nuchal translucency (NT) thickness of 3...
January 30, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28133834/proposed-clinical-management-of-pregnancies-after-combined-screening-for-preeclampsia-at-35-37-weeks-gestation
#19
Anca M Panaitescu, David Wright, Anna Militello, Ranjit Akolekar, Kypros H Nicolaides
OBJECTIVE: To estimate the patient-specific risk of preeclampsia (PE) at 35-37 weeks' gestation by a combination of maternal characteristics and medical history with multiple of the median (MoM) values of mean arterial pressure (MAP), uterine artery pulsatility index (UTPI), serum placental growth factor (PLGF) and serum soluble fms-like tyrosine kinase-1 (sFLT-1) and stratify women into high-, intermediate- and low-risk management groups. METHODS: This was a prospective observational study in women attending for a third-trimester ultrasound scan at 35-37 weeks as part of routine pregnancy care...
January 29, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28133831/proposed-clinical-management-of-pregnancies-after-combined-screening-for-preeclampsia-at-19-24-weeks-gestation
#20
Magdalena Litwinska, David Wright, Tunay Efeturk, Irene Ceccacci, Kypros H Nicolaides
OBJECTIVE: To estimate the patient-specific risk of preeclampsia (PE) at 19-24 weeks' gestation by a combination of maternal characteristics and medical history with multiple of the median (MoM) values of mean arterial pressure (MAP), uterine artery pulsatility index (UTPI), serum placental growth factor (PLGF) and serum soluble fms-like tyrosine kinase-1 (sFLT-1) and stratify women into high-, intermediate- and low-risk management groups. The high-risk group, which would contain almost all cases of PE at <32 weeks, would require close monitoring for high blood pressure and proteinuria at 24-31 weeks...
January 29, 2017: Ultrasound in Obstetrics & Gynecology
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