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uterine Doppler ultrasound

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https://www.readbyqxmd.com/read/29747968/prenatal-diagnosis-of-abnormal-invasive-placenta-by-ultrasound-measurement-of-highest-peak-systolic-velocity-of-subplacental-blood-flow
#1
Junling Zhang, Hezhou Li, Fang Wang, Hongyan Qin, Qiaohong Qin
The aim of the study described here was to identify an efficient criterion for the prenatal diagnosis of abnormal invasive placenta. We evaluated 129 women with anterior placenta previa who underwent trans-abdominal ultrasound evaluation in the third trimester. Spectral Doppler ultrasonography was performed to assess the subplacental blood flow of the anterior lower uterine segment by measuring the highest peak systolic velocity and resistive index. These patients were prospectively followed until delivery and evaluated for abnormal placental invasion...
May 7, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29742984/maternal-serum-endocan-concentration-in-pregnancies-complicated-by-intrauterine-growth-restriction
#2
Agata Szpera-Gozdziewicz, Katarzyna Kosicka, Tomasz Gozdziewicz, Mariola Krzyscin, Przemyslaw Wirstlein, Anna Siemiatkowska, Franciszek Glowka, Ewa Wender-Ozegowska, Grzegorz H Breborowicz
OBJECTIVES: Endocan plays a role in the development of vascular tissue in health and disease and is an indicator of endothelial cells activation and angiogenesis. Therefore, this study aimed to investigate the relationship between maternal endocan serum level and intrauterine growth restriction (IUGR) as well as ultrasound Doppler flow measurements indicating placental insufficiency. METHODS: This study included a group of women with IUGR (n = 37) and a group of healthy pregnant women (controls, n = 37)...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29740835/factors-associated-to-early-intrauterine-fetal-demise-after-laser-for-ttts-by-pre-operative-fetal-heart-and-doppler-ultrasound
#3
Amélie Delabaere, France Leduc, Quentin Reboul, Florent Fuchs, Sandrine Wavrant, Johanne Dubé, Jean-Claude Fouron, François Audibert
OBJECTIVE: To determine the prognostic value of fetal Doppler and echocardiographic parameters for intra-uterine fetal demise (IUFD) within 24 hours and within one week after laser coagulation in monochorionic pregnancies complicated by twin-twin transfusion syndrome (TTTS). METHOD: This retrospective study correlated the preoperative hemodynamic and echocardiography parameters to the outcome in fetuses with TTTS undergoing laser therapy. RESULTS: One hundred and twelve laser coagulations were performed between February 2006 and June 2015...
May 9, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29735316/use-of-contrast-enhanced-ultrasound-in-the-assessment-of-uterine-fibroids-a-feasibility-study
#4
Barbara Stoelinga, Anniek M C Dooper, Lynda J M Juffermans, Arnoud W Postema, Hessel Wijkstra, Hans A M Brölmann, Judith A F Huirne
Contrast-enhanced ultrasound (CEUS) is an innovative ultrasound technique capable of visualizing both the macro- and microvasculature of tissues. In this prospective pilot study, we evaluated the feasibility of using CEUS to visualize the microvasculature of uterine fibroids and compared CEUS with conventional ultrasound. Four women with fibroids underwent gray-scale ultrasound, sonoelastography and power/color Doppler scans followed by CEUS examination. Analysis of CEUS images revealed initial perfusion of the peripheral rim, that is, a pseudo-capsule, followed by enhancement of the entire lesion through vessels traveling from the exterior to the interior of the fibroid...
May 4, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29723486/doppler-ultrasound-can-be-used-to-monitor-umbilical-arterial-blood-flow-in-lightly-sedated-pigs-at-multiple-gestational-ages
#5
Claire Stenhouse, Peter Tennant, W Colin Duncan, Cheryl J Ashworth
Doppler ultrasound was performed under moderate sedation (ketamine and azaperone) for 30min to monitor umbilical arterial (UA) blood flow in one uterine horn of Large White×Landrace gilts (n=23) at Gestational Days (GD) 30, 45, 60 and 90. Gilts were scanned before they were killed to examine relationships between litter size, sex ratio and five UA parameters (peak systolic velocity (PSV), end diastolic velocity (EDV), A/B (PSV to EDV) ratio, fetal heart rate (FHR) and resistance index (RI)). In gilts in which scans were obtained from all fetuses in the scanned horn, relationships between UA parameters, and fetal weight and sex were examined...
May 4, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29703001/successful-diagnosis-and-treatment-of-early-splenic-ectopic-pregnancy-a-case-report
#6
Lan Wu, Xiaoqin Jiang, Juan Ni
INTRODUCTION: Splenic ectopic pregnancy (SEP), a special abdominal pregnancy, is extremely rare but carries a high risk of potentially uncontrollable, life-threatening intraperitoneal bleeding at early gestation, which is equivalent to the spontaneous rupture of the spleen. Therefore, early diagnosis of SEP is crucial and may avoid life-threatening situation. CASE PRESENTATION: A 29-year-old G3P2 woman presented with 50 days of amenorrhea and positive serum β-human gonadotropin (β-HCG) was enrolled into the hospital due to the absence of gestational sac located in the uterine cavity...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29702988/enteritis-as-initial-manifestation-of-systemic-lupus-erythematosus-in-early-pregnancy-a-case-report
#7
Anna Maria Bellou, Dominik Bös, Guido Kukuk, Ulrich Gembruch, Waltraut Maria Merz
RATIONAL: Lupus enteritis is a rare, severe complication of systemic lupus erythematosus (SLE). We report of a patient who presented with enteritis as manifestation of new-onset SLE during the first trimester of pregnancy. PATIENTS CONCERNS: The 23-year nulliparous patient was admitted to a district hospital with abdominal pain, nausea, vomiting and bloody diarrhea at a gestational age (GA) of 10 weeks. Her symptoms improved with symptomatic treatment and she was discharged a few days later...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29675495/maternal-history-and-uterine-artery-wave-form-in-the-prediction-of-early-onset-and-late-onset-preeclampsia-a-cohort-study
#8
Nidhi Sharma, Krishnamurthy Jayashree, Kulasekaran Nadhamuni
Background: Pregnancy induced hypertension (PIH) is a significant cause of maternal morbidity and mortality. Pregnancy-induced-hypertension can be prevented by identification of prenatal and antenatal factors. The uterine artery Doppler waveform transforms into a high flow with low resistance at 22-24 wk. Objective: To study the maternal risk factors and uterine artery Doppler waveform in singleton mid-trimester pregnancy and predict the occurrence of pregnancy-induced hypertension ...
February 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29658370/changes-in-endothelial-function-arterial-stiffness-and-blood-pressure-in-pregnant-women-after-consumption-of-high-flavanol-and-high-theobromine-chocolate-a-double-blind-randomized-clinical-trial
#9
Asma Babar, Emmanuel Bujold, Vicky Leblanc, Élise Lavoie-Lebel, Joalee Paquette, Laurent Bazinet, Simone Lemieux, Isabelle Marc, Belkacem Abdous, Sylvie Dodin
OBJECTIVES: The aim of this 2-group, parallel, double blind single-centre RCT was to evaluate the acute and chronic impacts of high flavanol high theobromine (HFHT) chocolate consumption on endothelial function, arterial stiffness and blood pressure (BP) in women at risk of preeclampsia. METHODS: 131 pregnant women considered at risk of preeclampsia based on uterine artery Doppler ultrasound were divided into two groups (HFHT or low flavanol and theobromine chocolate (LFLT)...
April 16, 2018: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/29573498/correlation-between-fetoplacental-dopplers-and-cardiac-function-in-term-fetuses
#10
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Sailesh Kumar
OBJECTIVE: Redistribution of cardiac output is responsible for the "brain sparing" effect seen during periods of fetal stress. Our aim was to prospectively investigate the correlation between feto-placental Dopplers and cardiac function. METHODS: This prospective, observational study included normotensive women with appropriately grown, non-anomalous, singleton pregnancies. Participants underwent fortnightly ultrasounds from 36 weeks' gestation and intrapartum and neonatal outcomes were recorded...
March 24, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29498074/influence-of-ulipristal-acetate-therapy-on-uterine-fibroid-related-symptoms-and-on-uterine-and-fibroid-volumes-and-vascularity-indices-assessed-by-ultrasound
#11
Silvia Baggio, Paola Pomini, Fabiana Galeone, Francesca Presti, Lorenza Santi, Ricciarda Raffaelli, Massimo Franchi
OBJECTIVES: To investigate the modifications of uterine and fibroid volume, to study Doppler changes in uterine arteries and fibroid-supplying vessels, and to assess possible symptomatic relief after 3 months of treatment with ulipristal acetate. METHODS: Forty-two premenopausal women with symptomatic fibroids were included in the study. They were evaluated clinically for the symptoms reported and underwent ultrasound examinations before starting treatment and after 3 months of therapy with ulipristal acetate...
March 2, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29482879/fetal-biometry-relevance-in-obstetrical-practice
#12
REVIEW
Bronius Žaliūnas, Daiva Bartkevičienė, Gražina Drąsutienė, Algirdas Utkus, Juozas Kurmanavičius
Ultrasound imaging in obstetrics and gynecology dates back to 1958 when The Lancet published the first article about the use of ultrasonography for fetal and gynecological assessments. It is now almost inconceivable, 60 years later, to think of effective performance in obstetrics and gynecology without the variety of ultrasound, for example, real time imaging, power and color Doppler, 3D/4D ultrasonography, etc. Such examinations facilitate the assessment of intrauterine fetal growth and development during pregnancy, provide alerts about the risk of pre-eclampsia and preterm birth, help identify anatomic reasons for infertility, diagnose ectopic pregnancies, uterine, ovary and tubal pathology...
2017: Medicina
https://www.readbyqxmd.com/read/29447050/added-value-of-cerebro-placental-ratio-and-uterine-artery-doppler-at-routine-third-trimester-screening-as-a-predictor-of-sga-and-fgr-in-non-selected-pregnancies
#13
M Rial-Crestelo, R J Martinez-Portilla, A Cancemi, J Caradeux, L Fernandez, A Peguero, E Gratacos, Francesc Figueras
OBJECTIVES: The objective of this study is to determine the added value of cerebroplacental ratio (CPR) and uterine Doppler velocimetry at third trimester scan in an unselected obstetric population to predict smallness and growth restriction. METHODS: We constructed a prospective cohort study of women with singleton pregnancies attended for routine third trimester screening (32+0 -34+6 weeks). Fetal biometry and fetal-maternal Doppler ultrasound examinations were performed by certified sonographers...
March 4, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29422212/diagnosis-and-surveillance-of-late-onset-fetal-growth-restriction
#14
REVIEW
Francesc Figueras, Javier Caradeux, Fatima Crispi, Elisenda Eixarch, Anna Peguero, Eduard Gratacos
By consensus, late fetal growth restriction is that diagnosed >32 weeks. This condition is mildly associated with a higher risk of perinatal hypoxic events and suboptimal neurodevelopment. Histologically, it is characterized by the presence of uteroplacental vascular lesions (especially infarcts), although the incidence of such lesions is lower than in preterm fetal growth restriction. Screening procedures for fetal growth restriction need to identify small babies and then differentiate between those who are healthy and those who are pathologically small...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29397792/uterine-artery-doppler-ultrasound-in-second-pregnancy-with-previous-elective-cesarean-section
#15
Shirin Torabi, Mahdi Sheikh, Farzaneh Fattahi Masrour, Alireza A Shamshirsaz, Zhoobin H Bateni, Ahmed A Nassr, Parichehr Pooransari, Marzieh Talebian, Sedigheh Hantoushzadeh
OBJECTIVES: To assess the effects of previous cesarean delivery (CD) and placental location on second trimester uterine artery Doppler indices in subsequent pregnancy and to assess the predictive values of abnormal Doppler findings for adverse pregnancy outcomes in women with previous CD. STUDY DESIGN: This prospective cohort study evaluated 400 gravida two pregnant women (200 with previous none medically indicated CD and 200 with previous normal vaginal deliveries (NVD)) who were referred for second trimester fetal anatomic survey...
February 4, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29392798/intraluminal-pressure-of-uterine-balloon-tamponade-in-the-management-of-severe-post-partum-hemorrhage
#16
Choi Wah Kong, William W K To
AIM: Intrauterine balloon tamponade has been increasingly used for the management of post-partum hemorrhage (PPH) in recent years. However, data on the precise mechanisms and pressure required for the balloon tamponade are scanty in the literature. This study aims to review the intraluminal pressure (ILP) generated by the Bakri intrauterine balloon that is necessary to produce a 'positive tamponade test' during severe PPH. METHODS: This was a prospective cohort study...
February 1, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29319201/comparative-study-of-abdominal-versus-transvaginal-ultrasound-for-uterine-artery-doppler-velocimetry-at-11-to-13-weeks
#17
Marie-Elaine Demers, Samuel Dubé, Mélodie Bourdages, Cedric Gasse, Amélie Boutin, Mario Girard, Emmanuel Bujold, Suzanne Demers
OBJECTIVES: To compare the first-trimester uterine artery pulsatility index (PI) measured by abdominal and transvaginal ultrasound (US). METHODS: We performed a prospective study of singleton pregnant women recruited at 11 to 13 weeks' gestation. The mean uterine artery PI was obtained by abdominal followed by transvaginal US. The mean of the left and right uterine artery PIs was used, and differences between approaches were computed. The intraclass correlation coefficient and a Bland-Altman plot were used to compare the two approaches...
January 10, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29317419/cohort-profile-effect-of-malaria-in-early-pregnancy-on-fetal-growth-in-benin-recipal-preconceptional-cohort
#18
Manfred Accrombessi, Emmanuel Yovo, Gilles Cottrell, Gino Agbota, Agnès Gartner, Yves Martin-Prevel, Nadia Fanou-Fogny, Diane Djossinou, Jennifer Zeitlin, Nicaise Tuikue-Ndam, Florence Bodeau-Livinec, Sandrine Houzé, Nicola Jackson, Paul Ayemonna, Achille Massougbodji, Michel Cot, Nadine Fievet, Valérie Briand
PURPOSE: REtard de Croissance Intra-uterin et PALudisme (RECIPAL) is an original preconceptional cohort designed to assess the consequences of malaria during the first trimester of pregnancy, which is a poorly investigated period in Africa and during which malaria may be detrimental to the fetus. PARTICIPANTS: For this purpose, a total of 1214 women of reproductive age living in Sô-Ava and Akassato districts (south Benin) were followed up monthly from June 2014 to December 2016 until 411 of them became pregnant...
January 8, 2018: BMJ Open
https://www.readbyqxmd.com/read/29310371/treatment-of-cornual-pregnancy-in-a-patient-with-adenomyosis-by-high-intensity-focused-ultrasound-hifu-ablation-a-case-report
#19
Lixia Yu, Linying Xu, Xiaoyan Xu
RATIONALE: Cornual ectopic pregnancy in adenomyosis patients is a rare clinical condition, which may require careful approach for accurate diagnosis and treatment. PATIENT CONCERNS: A 38-year-old woman presented with amenorrhea for 8 weeks and serum HCG levels of 1455 mmol/L. The B ultrasound showed an endometrial thickness of 1.7 cm, and the presence of a cystic structure (16 6 mm) at the right uterine horn. Color Doppler flow imaging (CDFI) accurately detected and confirmed the position of the cystic structure with its clear boundaries...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29286461/ultrasonography-in-experimental-reproductive-investigations-on-rats
#20
Tianjuang Wang, Lidia Oltra-Rodríguez, Nuria García-Carrillo, Anibal Nieto, Yunxia Cao, María L Sánchez-Ferrer
With the development of assisted reproductive technology and the ethical limitations of research on humans, rat animal models have been widely used in reproductive medicine. In the past, the study of reproductive system development in rodents has been based on one-time histological examination of excised tissues. Recently, with the development of high-resolution transabdominal ultrasound, high-quality sonography can now be performed to evaluate the reproductive organs of rats, allowing a new method for studying the reproductive system...
December 2, 2017: Journal of Visualized Experiments: JoVE
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