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doppler and pregnancy

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https://www.readbyqxmd.com/read/28101770/factors-controlling-fetal-echocardiography-determine-the-diagnostic-accuracy-of-isolated-ventricular-septal-defect
#1
Jiao Chen, Liang Xie, Han-Min Liu
BACKGROUND: Fetal echocardiography (FECG) is a key screening tool for prenatal cardiac abnormalities. Herein, we examined the ultrasonic factors determining prenatal ultrasonic diagnosis of isolated ventricular septal defect (IVSD). METHODS: The diagnostic role of ultrasonic factors was investigated in patients in middle or late pregnancy, diagnosed with IVSD by FECG and confirmed using postnatal echocardiography. RESULTS: One hundred and six patients with IVSD were enrolled; the majority had perimembranous VSD...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28091544/ultrasound-prediction-of-abnormal-infant-development-in-hypertensive-pregnant-women-in-the-second-and-third-trimester
#2
Guofang Shen, Yajuan Huang, Lixin Jiang, Jinghong Gu, Yaxin Wang, Bing Hu
The objective was to assess the sensitivities and accuracies of Doppler ultrasound parameters in the second and third trimester of hypertensive pregnancies in determining perinatal outcomes. 1,054 pregnancies were retrospectively categorized into three groups (healthy pregnancies (HP, n = 988), pregnancies of hypertensive women (HypP, n = 30) and high-risk hypertension pregnancies (HRHypP, n = 36), depending on gestational hypertension as well as fetal birth weights and pregnancy outcomes. Systolic/diastolic ratio (S/D), resistance index (RI), pulsatility index (PI) of the bilateral uterine artery, umbilical artery and vein as well as venous flow velocity data were monitored by Doppler ultrasound...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089506/evaluation-of-the-predictive-value-of-placental-vascularisation-indices-derived-from-3-dimensional-power-doppler-whole-placental-volume-scanning-for-prediction-of-pre-eclampsia-a-systematic-review-and-meta-analysis
#3
K A Eastwood, C Patterson, A J Hunter, D R McCance, I S Young, V A Holmes
Pre-eclampsia remains a leading cause of maternal and fetal morbidity and mortality. This systematic review aims to evaluate the ability of placental vascularisation indices (PVIs) derived from 3D power Doppler whole placental volume scanning to predict early, late and any-onset pre-eclampsia (PE). The following databases were searched: MEDLINE, EMBASE and Web of Science. Studies selected for inclusion measured PVIs: Vascularisation Index (%) (VI) and/or Flow Index (FI) and/or Vascularisation Flow Index (VFI) derived from 3D power Doppler whole placental volume scanning via Virtual Organ Computer-aided Analysis (VOCAL) technique prior to diagnosis of PE...
January 5, 2017: Placenta
https://www.readbyqxmd.com/read/28079791/a-possible-new-approach-in-the-prediction-of-late-gestational-hypertension-the-role-of-the-fetal-aortic-intima-media-thickness
#4
Silvia Visentin, Ambrogio P Londero, Martina Camerin, Enrico Grisan, Erich Cosmi
The aim was to determine the predictive role of combined screening for late-onset gestational hypertension by fetal ultrasound measurements, third trimester uterine arteries (UtAs) Doppler imaging, and maternal history. This prospective study on singleton pregnancies was conducted at the tertiary center of Maternal and Fetal Medicine of the University of Padua during the period between January 2012 and December 2014. Ultrasound examination (fetal biometry, fetal wellbeing, maternal Doppler study, fetal abdominal aorta intima-media thickness [aIMT], and fetal kidney volumes), clinical data (mother age, prepregnancy body mass index [BMI], and parity), and pregnancy outcomes were collected...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28077838/low-grade-metabolically-induced-inflammation-mediators-interleukin-6-adiponectin-and-tnf-%C3%AE-serum-levels-in-obese-pregnant-patients-in-the-perinatal-period
#5
Malgorzata Zembala-Szczerba, Andrzej Jaworowski, Hubert Huras, Dorota Babczyk, Robert Jach
BACKGROUND Obesity is a major clinical problem. The number of obese pregnant women is rising rapidly. The consequences of obesity are significant and affect every aspect of perinatal care for both the mother and the developing fetus. Adipose tissue may be responsible for chronic subclinical inflammation in obesity, being a source of inflammatory mediators. The study was designed to evaluate the analysis of the serum concentration of inflammatory mediators, including interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α), and adiponectin, in obese pregnant women at full-term pregnancies...
January 12, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28076590/effect-of-maternal-exercises-on-biophysical-fetal-and-maternal-parameters-a-transversal-study
#6
Caroline Mombaque Dos Santos, Wendel Mombaque Dos Santos, Francisco Maximiliano Pancich Gallarreta, Camila Pigatto, Luiz Osório Cruz Portela, Edson Nunes de Morais
Objective: To evaluate the acute effects of maternal and fetal hemodynamic responses in pregnant women submitted to fetal Doppler and an aerobic physical exercise test according to the degree of effort during the activity and the impact on the well-being. Methods: Transversal study with low risk pregnant women, obtained by convenience sample with gestational age between 26 to 34 weeks. The participants carry out a progressive exercise test. Results: After the exercise session, reduced resistance (p=0...
October 2016: Einstein
https://www.readbyqxmd.com/read/28073201/azoospermic-patient-s-treatment-an-experience-of-a-pma-hospital-unit-and-role-of-ultrasonography
#7
Paolo Panella, Pietro Pepe, Placido Borzì, Maria Elena Vento, Michele Pennisi, Paolo Scollo
INTRODUCTION: Azoospermia causes about 10% of male infertility and the best therapeutic option is the retrieval of sperm from testis or epididymis. MATERIAL AND METHODS: From Juanary 2008 to June 2016, 92 men (median 36 years; range: 25-54 years) were submitted in 47 cases to TESE (testicular sperm extraction) and in 45 cases to PESA (percutaneous epididymal sperm aspiration) for secretory and obstructive azoospermia, respectively; moreover, all the patients previously underwent color Doppler ultrasound of the testis and transrectal ultrasound of the prostate...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28068394/prediction-of-small-for-gestational-age-infants-in-healthy-nulliparous-women-using-clinical-and-ultrasound-risk-factors-combined-with-early-pregnancy-biomarkers
#8
Lesley M E McCowan, John M D Thompson, Rennae S Taylor, Philip N Baker, Robyn A North, Lucilla Poston, Claire T Roberts, Nigel A B Simpson, James J Walker, Jenny Myers, Louise C Kenny
OBJECTIVE: Most small for gestational age pregnancies are unrecognised before birth, resulting in substantial avoidable perinatal mortality and morbidity. Our objective was to develop multivariable prediction models for small for gestational age combining clinical risk factors and biomarkers at 15±1 weeks' with ultrasound parameters at 20±1 weeks' gestation. METHODS: Data from 5606 participants in the Screening for Pregnancy Endpoints (SCOPE) cohort study were divided into Training (n = 3735) and Validation datasets (n = 1871)...
2017: PloS One
https://www.readbyqxmd.com/read/28043350/evaluation-of-changes-in-doppler-ultrasonography-indices-and-levels-of-maternal-serum-angiogenic-factors-throughout-pregnancy-in-ewes
#9
Özge Turna Yilmaz, Mehmet Can Gündüz, Gamze Evkuran Dal, Melih Uçmak, Zeynep Günay Uçmak, Esra Karaçam, Güven Kaşikçi, Mehmet Ragip Kiliçarslan
We evaluated the changes in the pulsatility index (PI) and resistance index (RI) of fetal and maternal vessels and maternal serum angiogenic factors throughout pregnancy in 20 Kivircik ewes. They were examined for pregnancy detection on Day 30 after mating. The PI and RI during the pregnancies were followed using Doppler ultrasonography (USG) of the uterine artery, umbilical artery, fetal aorta, and fetal vena cava. Doppler USG was performed every 15 days beginning from the 40th day after mating. Blood samples were collected every 15 days starting from the day of mating...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28040130/correlation-of-kisspeptin-10-level-and-fetal-well-being-in-preeclamptic-patients
#10
Maysoun A Ziyaraa, Farqad B Hamdan, Liqaa R Mousa
OBJECTIVE: This study aims to evaluate the role of kisspeptin-10 in preeclampsia and check for possible relationship between its severity and fetal growth well-being. Kisspeptin-10 may participate in implantation of the embryo, placenta formation, and maintenance of pregnancy. MATERIALS AND METHODS: One hundred women who completed 20 weeks of gestation with singleton pregnancies were divided into 60 peeclamptic and 40 normotensive control women. Kisspeptin-10 level estimation, and ultrasound and Doppler ultrasound studies for umbilical artery were performed during their second and third trimesters of pregnancy...
December 2016: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28029641/angiogenic-imbalance-and-residual-myocardial-injury-in-recovered-peripartum-cardiomyopathy-patients
#11
Sorel Goland, Jean Marc Weinstein, Adi Zalik, Rafael Kuperstein, Liaz Zilberman, Sara Shimoni, Michael Arad, Tuvia Ben Gal, Jacob George
BACKGROUND: Recent studies suggest that angiogenic imbalance during pregnancy may lead to acute peripartum cardiomyopathy (PPCM). We propose that angiogenic imbalance and residual cardiac dysfunction may exist even after recovery from PPCM. METHODS AND RESULTS: Twenty-nine women at least 12 months after presentation with PPCM, who exhibited recovery of left ventricular (LV) ejection fraction (≥50%), were included in the study (mean age 35±6 years, LV ejection fraction 61...
November 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28029583/acr-appropriateness-criteria-assessment-of-fetal-well-being
#12
Lynn Simpson, Nadia J Khati, Sandeep P Deshmukh, Kika M Dudiak, Mukesh G Harisinghani, Tara L Henrichsen, Benjamin J Meyer, David A Nyberg, Liina Poder, Thomas D Shipp, Carolyn M Zelop, Phyllis Glanc
Although there is limited evidence that antepartum testing decreases the risk for fetal death in low-risk pregnancies, women with high-risk factors for stillbirth should undergo antenatal fetal surveillance. The strongest evidence supporting antepartum testing pertains to pregnancies complicated by intrauterine fetal growth restriction secondary to uteroplacental insufficiency. The main ultrasound-based modalities to determine fetal health are the biophysical profile, modified biophysical profile, and duplex Doppler velocimetry...
October 28, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28027669/the-vertebroplacental-ratio-as-an-alternative-to-the-cerebroplacental-ratio-in-the-evaluation-of-the-fetus-at-the-end-of-pregnancy
#13
José Morales-Roselló, Asma Khalil, Victoria Fornes Ferrer, David Hervas-Marín, Nuria Peralta Llorens, Juan Rubio Moll, Alfredo Perales-Marín
OBJECTIVE: Low cerebroplacental ratio (CPR) near term has emerged as a marker of fetal adverse outcome. The aim of this study was to evaluate the predictive accuracy of an alternative ratio using the vertebral artery (vertebroplacental ratio or VPR) for acid-base status at birth. METHODS: This was a prospective cohort study of 1470 pregnancies undergoing an ultrasound assessment of the umbilical artery, middle cerebral artery and vertebral artery Doppler beyond 34 weeks' gestation within 14 days of delivery...
December 27, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28012454/prediction-of-low-birth-weight-comparison-of-placental-t2-estimated-by-mri-and-uterine-artery-pulsatility-index
#14
Marianne Sinding, David A Peters, Jens B Frøkjær, Ole B Christiansen, Astrid Petersen, Niels Uldbjerg, Anne Sørensen
OBJECTIVE: Neonates at low birth weight due to placental dysfunction are at high risk of adverse outcomes. These outcomes can be substantially improved by prenatal identification. The Magnetic Resonance Imaging (MRI) constant, placental T2* reflects placental structure and oxygenation and thereby placental function. Therefore, we aimed to evaluate the performance of placental T2* in the prediction of low birth weight using the uterine artery (UtA) pulsatility index (PI) as gold standard...
January 2017: Placenta
https://www.readbyqxmd.com/read/28005592/ultrasound-in-assisted-reproductive-technologies-and-the-first-trimester-is-there-a-risk
#15
Jacques S Abramowicz
Ultrasound is routinely used in assisted reproductive technology for monitoring of follicular growth, oocyte retrieval and embryo transfer, as well as for the assessment of early embryonic development in the first 5 to 8 weeks of pregnancy. Ultrasound is a form of energy, which will affect live tissues it traverses (bioeffects) by being partially transformed into heat (thermal effect) and by alternating positive and negative pressures (nonthermal or mechanical effect). In the United States 2 indices (thermal and mechanical index) must be displayed on-screen to provide the clinicians an indication of possible thermal and nonthermal changes...
December 21, 2016: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28003891/arterial-resistance-in-late-first-trimester-as-a-predictor-of-subsequent-pregnancy-related-hypertension
#16
Pralhad Kushtagi, Anoosha Emani
OBJECTIVES: This study aimed to examine the association between indicators of arterial resistance occurring late in the first trimester and the subsequent development of pregnancy-related hypertension. METHODS: This study took place between May 2014 and August 2015 and included 329 consecutive women with singleton pregnancies attending the antenatal clinics of a medical college in Karnataka, India, during this period. Pulse pressure (PP) and uterine artery Doppler parameters were recorded between 11-14 gestational weeks...
November 2016: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/27977016/heart-sounds-at-home-feasibility-of-an-ambulatory-fetal-heart-rhythm-surveillance-program-for-anti-ssa-positive-pregnancies
#17
B F Cuneo, A J Moon-Grady, S-E Sonesson, S Levasseur, L Hornberger, M T Donofrio, A Krishnan, A Szwast, L Howley, D W Benson, E Jaeggi
OBJECTIVE: Fetuses exposed to anti-SSA (Sjögren's) antibodies are at risk of developing irreversible complete atrioventricular block (CAVB), resulting in death or permanent cardiac pacing. Anti-inflammatory treatment during the transition period from normal heart rhythm (fetal heart rhythm (FHR)) to CAVB (emergent CAVB) can restore sinus rhythm, but detection of emergent CAVB is challenging, because it can develop in ⩽24 h. We tested the feasibility of a new technique that relies on home FHR monitoring by the mother, to surveil for emergent CAVB...
December 15, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27974939/prenatal-ultrasound-diagnosis-and-pregnancy-outcome-of-umbilical-cord-knot-debate-regarding-ethical-aspects-of-a-series-of-cases
#18
Bohîlțea Re, Turcan N, Cîrstoiu M
True umbilical cord knot appears to be a relatively common complication that occurs in 0.3%-1.3% of all pregnancies and it is correlated with an increased incidence of SGA infants, premature birth, need for neonatal intensive care and fetal death. The aim of the article was to evaluate the incidence of the true umbilical cord knot in the University Emergency Hospital, Bucharest, for a period of 5 years and its association with premature birth, low birth weight, low Apgar score at 1 minute and the need for neonatal intensive care...
July 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27974934/ultrasound-diagnostic-of-mesonephric-paraovarian-cyst-case-report
#19
Bohîlțea Re, Cîrstoiu Mm, Turcan N, Ionescu Ca
Paraovarian cysts are a rare pathology, constituting 10-20% of the adnexal masses. The origin can be represented by paramesonephric ducts (Hydatid cysts of Morgagni), vestiges of mesonephric ducts also represented by mesothelium, or neoplastic (cystadenomas or cystadenofibromas) that are mostly benign. Borderline or malignant paraovarian tumors are encountered less often. This article presents a case of paraovarian cyst in a 37-year-old patient, with a history of 2 pregnancies, completed by cesarean. The patient sought medical attention for an asymptomatic voluminous ovarian cyst, detected in a routine ultrasound scan...
July 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27969552/reliability-of-first-trimester-ultrasonic-biopsy-for-the-evaluation-of-placental-and-myometrial-blood-perfusion-and-the-prediction-of-preeclampsia
#20
Stephanie Markey, Suzanne Demers, Mario Girard, Amélie Tétu, Katy Gouin, Emmanuel Bujold
OBJECTIVE: Low placental vascularization measured by three-dimensional (3-D) ultrasound with power Doppler can predict preeclampsia. We evaluated the reliability and reproducibility of the ultrasonic sphere biopsy (USSB) technique to evaluate placental and subplacental myometrium vascularization in the first trimester. METHODS: We performed a secondary analysis of a case-control study nested in a prospective cohort of women with a singleton pregnancy undergoing ultrasound at 11 to 14 weeks' gestation...
November 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
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