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Ultrasound in labor

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https://www.readbyqxmd.com/read/29155474/visual-biofeedback-using-trans-perineal-ultrasound-during-the-second-stage-of-labor
#1
Yinon Gilboa, Tahl I Frenkel, Yael Schlesinger, Sofie Rousseau, Daniel Hamiel, Reuven Achiron, Sharon Perlman
OBJECTIVES: to assess the obstetrical and psychological effect of visual biofeedback using trans-perineal ultrasound (TPU) during the second stage of labor. METHODS: Visual biofeedback using TPU was performed prospectively during the second stage of labor in twenty-six low risk nulliparous women. Pushing efficacy was assessed by the angle of progression at rest and during pushing efforts before and after observing the ultrasound screen. Obstetrical outcomes included level of perineal tearing, mode of delivery and length of the second stage...
November 20, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29155140/pregnancy-and-parturition-negatively-impact-vaginal-angle-and-alters-expression-of-vaginal-mmp-9
#2
Sallie Oliphant, Timothy Canavan, Stacy Palcsey, Leslie Meyn, Pamela Moalli
BACKGROUND: Parity is the greatest risk factor for the development of pelvic organ prolapse. The normally supported vagina is pulled up and back over the levator ani. Loss of vaginal angulation has been associated with prolapse and may represent injury to the vaginal supportive tissues. OBJECTIVE: We propose that 1) pregnancy and delivery impact support to the vagina leading to loss of vaginal angle; 2) vaginal angulation is restored postpartum; and 3) uncomplicated vaginal delivery (VD) is associated with accelerated remodeling of the vaginal fibrillar matrix...
November 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29145270/study-on-the-adverse-effects-following-chemotherapy-for-breast-cancer-diagnosis-during-pregnancy-the-first-case-report-in-china
#3
Xin Ye, Qi He, Xiaoyun Zhou
RATIONALE: Treatment of breast cancer during pregnancy (BCP) remains a challenge to physicians. Surgery and chemotherapy during pregnancy are widely used for the treatment of BCP. Herein, we reported 3 Chinese patients with BCP who underwent chemotherapy during pregnancy and were followed up for adverse effects. PATIENT CONCERNS: Three female patients (case 1, case 2, and case 3) of 37-, 32-, and 28-year-old with breast masses were enrolled. Case 1 had been pregnant for over 4 months, case 2 over 7 months, and case 3 for 7 months...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29132252/association-between-fetal-myocardial-performance-index-and-fetal-heart-rate-monitoring-a-prospective-observational-cohort-study
#4
Alexis C Gimovsky, Brianne Whitney, Dennis Wood, Stuart Weiner
OBJECTIVE: To evaluate whether the left myocardial performance index (MPI) changes in association with the fetal heart rate (FHR) tracing during labor. STUDY DESIGN: Women with term, singleton pregnancies, in labor were recruited to this prospective cohort study. PRIMARY OUTCOME: difference in left MPI between Category of fetal heart rate tracings. SECONDARY OUTCOMES: differences in left MPI by FHR characteristics. Participants underwent ultrasound examination, during which fetal MPI was measured...
November 13, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29112996/angle-of-progression-on-ultrasound-in-the-second-stage-of-labor-and-spontaneous-vaginal-delivery
#5
Carolina Bibbo, Caroline E Rouse, David E Cantonwine, Sarah E Little, Thomas F McElrath, Julian N Robinson
No abstract text is available yet for this article.
November 7, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/29068541/reproducibility-and-acceptability-of-ultrasound-measurements-of-head-perineum-distance
#6
Sigurlaug Benediktsdottir, Kjell Åsmund Salvesen, Hulda Hjartardottir, Torbjørn Moe Eggebø
INTRODUCTION: We aimed to test reproducibility of head-perineum distance (HPD) measurements using two different ultrasound devices and five examiners, to compare ultrasound measurements and clinical assessments and to study if ultrasound examinations were acceptable for women in labor. MATERIAL AND METHODS: A reproducibility study was performed at Lund University Hospital, Sweden and Landspitali University Hospital, Iceland from February 2015 to February 2017. The study population comprised 40 healthy women in labor...
October 25, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29066070/net-revenue-analysis-of-inpatient-and-emergency-department-thyroid-ultrasound-at-a-us-quaternary-care-center-from-2012-to-2015
#7
Kushal Parikh, Matthew S Davenport
PURPOSE: The aim of this study was to understand the financial ramifications of performing nonemergent inpatient and emergency department (ED) adult thyroid ultrasound studies at a US quaternary care center. METHODS: A HIPAA-compliant, institutional review board-exempt retrospective review of 10,334 thyroid ultrasound studies performed between February 2012 and December 2015 was conducted. Demographic, imaging, clinical, and financial data were reviewed. Labor cost analysis was calculated using national salary data and local scheduling practices...
October 20, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29042802/utilization-of-fetal-fibronectin-testing-and-pregnancy-outcomes-among-women-with-symptoms-of-preterm-labor
#8
Sean C Blackwell, Erin M Sullivan, Allison A Petrilla, Xian Shen, Kathleen A Troeger, James D Byrne
OBJECTIVES: To identify pregnant health plan members triaged through the emergency department (ED), including labor and delivery (ELD) units, with symptoms of preterm labor (PTL), and evaluate the use of fetal fibronectin (fFN) testing; and to calculate the rate of hospitalization and timing of delivery in relation to the ED visit. METHODS: Retrospective cohort study using Medical Outcomes Research for Effectiveness and Economics Registry(®), a national multipayer claims database...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/29034765/assessment-of-maternal-cerebral-blood-flow-velocity-by-transcranial-doppler-ultrasound-before-delivery-and-in-the-early-postpartum-period
#9
Hale Z Batur Caglayan, Bijen Nazliel, Mehmet Cinar, Esra Ataoglu, Ozlem Moraloglu, Ceyla Irkec
OBJECTIVE: This prospective observational study aimed to identify the effects of labor on cerebral hemodynamics by measuring the middle cerebral artery (MCA) blood flow velocity by transcranial Doppler ultrasound (TCD), and the related factors just before delivery and within the 24 h after delivery. METHODS: The study included 35 healthy pregnant women with a gestational age of >37 weeks who were in labor and a control group including healthy, age-matched, nonpregnant women (n = 24)...
October 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29026065/urethral-diverticulum-presenting-as-a-large-vaginal-mass-complicating-pregnancy-and-delivery
#10
Everett F Magann, Lisa S Newton, Susan A Barr
BACKGROUND A case report of urethral diverticulum complicating pregnancy is presented. The diagnosis and management are challenging because of the rare nature of this condition, the varied presentations and differential diagnoses, and the possibility of misdiagnosis. CASE REPORT A 25-year-old primigravida with scheduled induction of labor at 39 weeks gestation due to gestational diabetes mellitus presented for a routine antenatal appointment at 38 weeks and four days. On digital cervical examination, she was found to have a large semi-solid anterior vaginal mass, shown by trans-vaginal ultrasound to have a nearly solid appearance of a 5×7 cm mass with septation...
October 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28986709/uterine-artery-pseudoaneurysm-in-the-setting-of-deep-endometriosis-an-uncommon-cause-of-hemoperitoneum-in-pregnancy
#11
Zoe Feld, Tami Rowen, Andrew Callen, Ruth Goldstein, Liina Poder
Uterine, ovarian, and placental pathologies are among the differential considerations for a pregnant woman presenting with abdominal and pelvic pain. Imaging plays a key role in the initial work-up of these patients. Sonography is often the first line test; however, evaluation of pelvic pathology can be limited in the gravid state, especially in mid- or late-term pregnancy. We present a case of a pregnant woman who came to the emergency room at 25 weeks with acute abdominal and pelvic pain. Both ultrasound and MR imaging findings revealed intraperitoneal hemorrhage, initially of unknown origin, as well as endometriomas and deep endometriosis...
October 6, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28979167/three-dimensional-four-dimensional-transperineal-ultrasound-clinical-utility-and-future-prospects
#12
REVIEW
Ginevra Salsi, Ilaria Cataneo, Gaia Dodaro, Nicola Rizzo, Gianluigi Pilu, Mar Sanz Gascón, Aly Youssef
During the last decade, there has been a huge advancement in the use of transperineal ultrasound (TPU) in the field of obstetrics and gynecology. Its main applications in obstetrics include the monitoring of fetal progression in labor and recently the assessment of maternal pelvic dimensions, whereas in gynecology, TPU is at present widely used for the evaluation of the female pelvic floor, opening new boundaries for the assessment of pelvic floor disorders. The association of volumetric three-dimensional techniques has largely contributed to the remarkable progress that has occurred in the use of TPU...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28969484/combined-measurement-of-fetal-lung-volume-and-pulmonary-artery-resistance-index-is-more-accurate-for-prediction-of-neonatal-respiratory-distress-syndrome-in-preterm-fetuses-a-pilot-study
#13
Mohamed Laban, Ghada M Mansour, Ahmed El-Kotb, Alaa Hassanin, Zina Laban, Abdelrahman Saleh
OBJECTIVE: The objective of this study is to estimate optimal cut-off values for mean fetal lung volume (FLV) and pulmonary artery resistance index (PA-RI) as non-invasive measures to predict neonatal respiratory distress syndrome (RDS) in preterm fetuses. METHODS: A prospective study conducted at Ain Shams University Maternity Hospital, Egypt from May 2015 to July 2017: 80 eligible women diagnosed with preterm labor were recruited at 32-36 weeks' gestation. Before delivery, three-dimensional ultrasound was used to estimate FLV using virtual organ computer-aided analysis (VOCAL), while PA-RI was measured by Doppler ultrasonography...
October 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28944865/middle-pregnancy-ultrasound-screening-for-fetal-chromosomal-diseases
#14
Li Liu, Ping Zhou, Zemin Cao, Xiaojun Tan
Prenatal examinations, including serological screening and ultrasound screening, are the methods determining a risk of fetal chromosomal disease. The current study is aimed to assess whether ultrasound screening can effectively assist the screening for fetal chromosomal disease among pregnant women with a single abnormal serum marker. Following serologic screening, pregnant women at 18‑32 weeks underwent systematic fetal ultrasound analysis. In this study, 99 pregnant women with an abnormal serum marker and fetal ultrasound abnormalities underwent prenatal diagnosis of amniotic fluid or umbilical cord blood, with confirmation by pathological examination performed following birth or induced labor...
November 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28936908/central-neuraxial-analgesia-for-labor-an-update-of-the-literature
#15
Serena Sodha, Alexandra Reeve, Roshan Fernando
Numerous techniques are in use to provide analgesia for labor, of which central neuraxial block is widely considered superior to non-neuraxial options. Central neuraxial techniques have evolved over many years to provide greater efficacy, safety and maternal satisfaction. This narrative review focuses on the literature relating to central neuraxial labor analgesia from the past 5 years, from November 2010 to October 2015. We discuss the evidence related to the various central neuraxial techniques used, the increasingly widespread use of ultrasound guidance and the evidence surrounding other novel methods of central neuraxial block insertion...
September 2017: Pain Management
https://www.readbyqxmd.com/read/28931404/a-cluster-randomized-trial-to-reduce-major-perinatal-morbidity-among-women-with-one-prior-cesarean-delivery-in-qu%C3%A3-bec-prisma-trial-study-protocol-for-a-randomized-controlled-trial
#16
N Chaillet, E Bujold, B Masse, W A Grobman, P Rozenberg, J C Pasquier, A Shorten, M Johri, F Beaudoin, H Abenhaim, S Demers, W Fraser, M Dugas, S Blouin, E Dubé, R Gauthier
BACKGROUND: Rates of cesarean delivery are continuously increasing in industrialized countries, with repeated cesarean accounting for about a third of all cesareans. Women who have undergone a first cesarean are facing a difficult choice for their next pregnancy, i.e.: (1) to plan for a second cesarean delivery, associated with higher risk of maternal complications than vaginal delivery; or (b) to have a trial of labor (TOL) with the aim to achieve a vaginal birth after cesarean (VBAC) and to accept a significant, but rare, risk of uterine rupture and its related maternal and neonatal complications...
September 20, 2017: Trials
https://www.readbyqxmd.com/read/28889776/risk-of-spontaneous-preterm-birth-in-ivf-conceived-twin-pregnancies
#17
Gabriele Saccone, Fabrizio Zullo, Amanda Roman, Andrew Ward, Giuseppe Maruotti, Pasquale Martinelli, Vincenzo Berghella
OBJECTIVE: To compare the mean transvaginal ultrasound (TVU) cervical length (CL) at midtrimester in screening for preterm birth in in vitro (IVF)-conceived twin pregnancies versus spontaneously-conceived twin pregnancies. METHODS: This was a retrospective cohort study. Potential study subjects were identified at the time of a routine second trimester fetal ultrasound exam at 18 0/7 to 23 6/7-week gestation. All women with twin diamniotic pregnancies screened with a single TVU CL for this trial were included...
September 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28882058/role-of-acoustic-radiation-force-impulse-and-shear-wave-velocity-in-prediction-of-preterm-birth-a-prospective-study
#18
Arjit Agarwal, Shubhra Agarwal, Shruti Chandak
Background Preterm birth is one of the important causes of neonatal morbidity where we rely on subjective criteria such as modified Bishop's scoring and contemporary sonographic measurement of cervical length. Acoustic radiation force impulse (ARFI) is a technological advancement in elastography that can be employed in prediction of cervical softening and preterm labor. Purpose To evaluate the role of ARFI technique and shear wave velocity (SWV) estimates as a predictor of preterm birth and its comparison with other clinical and sono-elastographic measures...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28876429/mueller-hillis-maneuver-and-angle-of-progression-are-they-correlated
#19
Sofia Mendes, Rita Silva, Inês Martins, Susana Santo, Nuno Clode
Objective: Mueller-Hillis maneuver (MHM) and angle of progression (AOP) measured by transperineal ultrasound have been used to assess fetal head descent during the second stage of labor. We aimed to assess whether AOP correlates with MHM in the second stage of labor. Method: A prospective observational study including women with singleton pregnancy in the second stage of labor was performed. The AOP was measured immediately after the Mueller-Hillis maneuver. A receiver-operating characteristics (ROC) curve analysis was performed to determine the best discriminatory AOP cut-off for the identification of a positive MHM...
June 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28858898/the-accuracy-of-a-handheld-ultrasound-device-for-neuraxial-depth-and-landmark-assessment-a-prospective-cohort-trial
#20
Katherine M Seligman, Carolyn F Weiniger, Brendan Carvalho
This study investigated the accuracy of a wireless handheld ultrasound with pattern recognition software that recognizes lumbar spine bony landmarks and measures depth to epidural space (Accuro, Rivanna Medical, Charlottesville, VA) (AU). AU measurements to epidural space were compared to Tuohy needle depth to epidural space (depth to loss of resistance at epidural placement). Data from 47 women requesting labor epidural analgesia were analyzed. The mean difference between depth to epidural space measured by AU versus needle depth was -0...
August 30, 2017: Anesthesia and Analgesia
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