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Obstetric ultrasound

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https://www.readbyqxmd.com/read/28717722/gestational-trophoblastic-neoplasia-treatment-at-the-butaro-cancer-center-of-excellence-in-rwanda
#1
Ignace Nzayisenga, Roanne Segal, Natalie Pritchett, Mary J Xu, Paul H Park, Edgie V Mpanumusingo, Denis G Umuhizi, Donald P Goldstein, Ross S Berkowitz, Vedaste Hategekimana, Clemence Muhayimana, Fidel Rubagumya, Temidayo Fadelu, Neo Tapela, Tharcisse Mpunga, Rahel G Ghebre
PURPOSE: Gestational trophoblastic neoplasia (GTN) is a highly treatable disease, most often affecting young women of childbearing age. This study reviewed patients managed for GTN at the Butaro Cancer Center of Excellence (BCCOE) in Rwanda to determine initial program outcomes. PATIENTS AND METHODS: A retrospective medical record review was performed for 35 patients with GTN assessed or treated between May 1, 2012, and November 30, 2014. Stage, risk score, and low or high GTN risk category were based on International Federation of Gynecology and Obstetrics staging and the WHO scoring system and determined by beta human chorionic gonadotropin level, chest x-ray, and ultrasound per protocol guidelines for resource-limited settings...
December 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28716434/training-midwives-to-perform-basic-obstetric-point-of-care-ultrasound-in-rural-areas-using-a-tablet-platform-and-mobile-phone-transmission-technology-a-wfumb-coe-project
#2
Sudhir Vinayak, Joyce Sande, Harvey Nisenbaum, Christian Pállson Nolsøe
Point-of-care ultrasound (POCUS) has become a topical subject and can be applied in a variety of ways with differing outcomes. The cost of all diagnostic procedures including obstetric ultrasound examinations is a major factor in the developing world and POCUS is only useful if it can be equated to good outcomes at a lower cost than a routine obstetric examination. The aim of this study was to assess a number of processes including accuracy of images and reports generated by midwives, performance of a tablet-sized ultrasound scanner, training of midwives to complete ultrasounds, teleradiology solution transmissions of images via internet, review of images by a radiologist, communication between midwife and radiologist, use of this technique to identify high-risk patients and improvement of the education and teleradiology model components...
July 14, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28715339/development-of-a-low-cost-medical-ultrasound-scanner-using-a-monostatic-synthetic-aperture
#3
Thomas L A van den Heuvel, David J Graham, Kristopher J Smith, Chris L de Korte, Jeffrey A Neasham
OBJECTIVE: In this paper, we present the design of low-cost medical ultrasound scanners aimed at the detection of maternal mortality risk factors in developing countries. METHOD: Modern ultrasound scanners typically employ a high element count transducer array with multichannel transmit and receive electronics. To minimize hardware costs, we employ a single piezoelectric element, mechanically swept across the target scene, and a highly cost-engineered single channel acquisition circuit...
July 17, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28712177/analysis-of-two-years-cases-of-ectopic-pregnancy
#4
Ansa Islam, Aneesa Fawad, Azmat Ali Shah, Humaira Jadoon, Iram Sarwar, Aziz-Un-Nisa Abbasi
BACKGROUND: Ectopic pregnancy is the leading cause of pregnancy related deaths in the first trimester. The aim of this study was to evaluate the frequency of risk factors, clinical presentation, diagnostic methods and site of ectopic pregnancy. METHODS: This descriptive cross sectional study was conducted in Gynaecology and Obstetrical Unit-A of Ayub Teaching Hospital Abbottabad from 1st October 2013 to 31st October 2015. All women diagnosed with ectopic pregnancy were included in the study...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28701078/effects-of-context-aware-patient-guidance-on-blood-pressure-self-measurement-adherence-levels
#5
Camilla Lindahl, Stefan Wagner, Niels Uldbjerg, Jacob Mørup Schlütter, Olav Bertelsen, Puk Sandager
Hypertensive disease and preeclampsia are serious medical disorders affecting pregnancy. Screening in early pregnancy may identify women at risk of developing hypertensive disease and enable prophylactic treatment. Accurate blood pressure measurement is an important part of this screening. The aim of this study was to investigate whether patients, with the aid of a context-aware sensor-based blood pressure self-measurement system, were able to correctly self-measure their blood pressure adhering to internationally established recommendations...
July 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/28688814/proceedings-beyond-ultrasound-first-forum-on-improving-the-quality-of-ultrasound-imaging-in-obstetrics-and-gynecology
#6
Beryl R Benacerraf, Katherine K Minton, Carol B Benson, Bryann S Bromley, Brian D Coley, Peter M Doubilet, Wesley Lee, Samuel H Maslak, John S Pellerito, James J Perez, Eric Savitsky, Norman A Scarborough, Joseph Wax, Alfred Z Abuhamad
The Beyond Ultrasound First Forum was conceived to increase awareness that the quality of obstetric and gynecologic ultrasound can be improved, and is inconsistent throughout the country, likely due to multiple factors, including the lack of a standardized curriculum and competency assessment in ultrasound teaching. The Forum brought together representatives from many professional associations, the imaging community including radiology, obstetrics and gynecology, emergency medicine among others, in addition to government agencies, insurers, industry and others with common interest in obstetric and gynecologic ultrasound...
July 5, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28664535/characterising-levator-ani-muscle-stiffness-pre-and-post-childbirth-in-european-and-polynesian-women-in-new-zealand-a-pilot-study
#7
Jennifer A Kruger, Stephanie C Budgett, Vivien Wong, Poul M F Nielsen, Martyn P Nash, Jackie Smalldridge, Lynsey M Hayward, Tania Yu Tian, Andrew J Taberner
INTRODUCTION: The influence of levator-ani muscles on second stage labour is poorly understood. The ability of these muscles to stretch without damage may affect birth outcomes, but little is known about material properties, effects of pregnancy and/or ethnicity on levator-ani stiffness. There are strong associations between muscle damage and subsequent pelvic floor disorders. This study aimed to quantify levator-ani muscle stiffness during the third trimester of pregnancy and postpartum in European and Polynesian women...
June 30, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28662989/radiofrequency-thermal-ablation-for-uterine-fibroids-long-term-clinical-outcomes-and-reinterventions
#8
Helene Iversen, Margit Dueholm
STUDY OBJECTIVE: To assess the long-term efficacy and rate of reintervention after ultrasound-guided radiofrequency thermal ablation (RFA) for uterine fibroids. DESIGN: A retrospective follow-up, cohort study (Canadian Task Force Classification II-2) SETTING: University hospitals and private clinics. PATIENTS: Between November 1, 2007 and February 26, 2010, 66 consecutive women underwent ultrasound-guided RFA. INTERVENTIONS: Patients underwent abdominal or vaginal ultrasound-guided RFA and were contacted for a long-term follow-up to complete the Uterine Fibroid Symptom and Quality of Life Score questionnaire (UFS-QOL) and optional ultrasound and examination...
June 26, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28656648/prenatal-incision-of-ureterocele-causing-bladder-outlet-obstruction-a-multicenter-case-series
#9
Gihad Chalouhi, Anne-Maude Morency, Roland De Vlieger, José Maria Martinez, Thomas Blanc, Ryan Hodges, Alexandra Gueneuc, Greg Ryan, Jan Deprest, Eduard Gratacos, Yves Ville
We reviewed data from a cohort of fetuses with ureterocele diagnosed and operated prenatally in four fetal therapy centers. Inclusion criteria were: (1)ureterocele confirmed on detailed fetal ultrasound examination, (2)absence of additional fetal malformations (3)fetal intervention to decompress the ureterocele with local institutional review boards' approval. Data on sonographic follow-up, obstetrical, neonatal outcome and postnatal evaluation were collected. Ten cases of prenatally treated ureterocele are described...
June 27, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28653359/ultrasound-assessment-of-gastric-content-in-the-immediate-postpartum-period-a-prospective-observational-descriptive-study
#10
F Vial, N Hime, J Feugeas, N Thilly, P Guerci, H Bouaziz
INTRODUCTION: Pulmonary aspiration of gastric contents in pregnant women undergoing general anesthesia or sedation/analgesia in the peripartum period is a feared complication in obstetric anesthesia. We assessed the changes in antral cross-sectional area (CSA) with ultrasonography in laboring women and in the immediate postpartum period. PATIENTS AND METHODS: In an observational study in a university-affiliated maternity, gastric ultrasonography examinations were performed in non-consecutive laboring women, after epidural analgesia insertion and after childbirth...
June 26, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28645886/uterovaginal-anastomosis-for-cases-of-cryptomenorrhea-due-to-cervical-atresia-with-vaginal-aplasia-benefits-and-risks
#11
M A Zayed, R F Khalil, K A Elsetohy, A T Hashem, A A AbdAllah, A I Fathi
STUDY OBJECTIVE: The objective of this study is to assess short term benefits and risks of utero-vaginal anastomosis done for cases of cryptomenorrhea due to cervical atresia with vaginal aplasia. DESIGN: prospective study SETTING: Surgical operations were done between December 2013 and September 2015 at the department of Obstetrics and Gynecology, Cairo University Hospital. PARTICIPANTS: Five patients who had cryptomenorrhea due to cervical atresia associated with vaginal aplasia were included...
June 20, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28645454/uterine-diverticulum-with-fetal-leg-entrapment-a-case-report
#12
Nirmala Chandrasekaran, Mark H Yudin, Howard Berger
BACKGROUND: Uterine anomalies causing fetal complications are very rarely encountered in obstetric practice and thus pose a diagnostic dilemma. CASE: A multigravid patient attended the clinic for an ultrasound examination in the third trimester following a recent hospital admission for abdominal pain. Ultrasound imaging revealed a large uterine diverticulum in the right cornu of the uterus with evidence of fetal leg entrapment. Because of concerns of increased soft tissue edema in the entrapped leg, the patient was delivered at 35 weeks' gestation by elective CS...
June 20, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28643667/can-we-perform-a-prenatal-diagnosis-of-vasa-previa-to-improve-its-obstetrical-and-neonatal-outcomes
#13
E Nohuz, E Boulay, D Gallot, D Lemery, F Vendittelli
INTRODUCTION: Vasa previa (VP) is defined as a condition in which the fetal blood vessels, unsupported by the placenta or the umbilical cord, run through the membranes of the lower uterine segment. It is associated with a high risk of stillbirth by exsanguination. This study aimed to assess the clinical context of diagnosis of VP in order to elaborate a strategy for its prenatal diagnosis and to improve its obstetrical and neonatal outcomes. MATERIAL AND METHODS: This historical cohort study covered the period from January 1, 2011 to December 31, 2015...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28643665/sonographic-landmarks-to-differentiate-false-labor-and-early-true-labor-as-a-possible-new-application-of-ultrasound-in-labor-ward
#14
A Bouzid, M Kehila, H Trabelsi, H S Abouda, R Ben Hmid, M B Chanoufi
OBJECTIVE: To evaluate discrimination of clinical parameters and ultrasound examination to differentiate "false labor" and "true labor". METHODS: In a prospective study during a period of 6 months, a total of 178 patients in term (37-41 weeks) consulting our obstetric unit for uterine contraction, were enrolled. Patients were examined separately by a midwife and a resident and separated into "true labor group" and "false labor group". The clinical characteristics of true versus false labor patients were compared...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28637734/pregnancy-specific-stress-fetoplacental-haemodynamics-and-neonatal-outcomes-in-women-with-small-for-gestational-age-pregnancies-a-secondary-analysis-of-the-multicentre-prospective-observational-trial-to-optimise-paediatric-health-in-intrauterine-growth-restriction
#15
Terri A Levine, Ruth E Grunau, Ricardo Segurado, Sean Daly, Michael P Geary, Mairead M Kennelly, Keelin O'Donoghue, Alyson Hunter, John J Morrison, Gerard Burke, Patrick Dicker, Elizabeth C Tully, Fergal D Malone, Fiona A Alderdice, Fionnuala M McAuliffe
OBJECTIVES: To examine associations between maternal pregnancy-specific stress and umbilical (UA PI) and middle cerebral artery pulsatility indices (MCA PI), cerebroplacental ratio, absent end diastolic flow (AEDF), birthweight, prematurity, neonatal intensive care unit admission and adverse obstetric outcomes in women with small for gestational age pregnancies. It was hypothesised that maternal pregnancy-specific stress would be associated with fetoplacental haemodynamics and neonatal outcomes...
June 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28634788/consistent-reconstruction-of-4d-fetal-heart-ultrasound-images-to-cope-with-fetal-motion
#16
Christine Tanner, Barbara Flach, Céline Eggenberger, Oliver Mattausch, Michael Bajka, Orcun Goksel
PURPOSE: 4D ultrasound imaging of the fetal heart relies on reconstructions from B-mode images. In the presence of fetal motion, current approaches suffer from artifacts, which are unrecoverable for single sweeps. METHODS: We propose to use many sweeps and exploit the resulting redundancy to automatically recover from motion by reconstructing a 4D image which is consistent in phase, space, and time. An interactive visualization framework to view animated ultrasound slices from 4D reconstructions on arbitrary planes was developed using a magnetically tracked mock probe...
June 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28634754/value-of-endometrial-thickness-assessed-by-transvaginal-ultrasound-for-the-prediction-of-endometrial-cancer-in-patients-with-postmenopausal-bleeding
#17
Amelie Schramm, Florian Ebner, Emanuel Bauer, Wolfgang Janni, Ulrike Friebe-Hoffmann, Miriam Pellegrino, Nikolaus De Gregorio, Thomas W P Friedl
PURPOSE: Histological confirmation of endometrial cancer by dilatation/curettage (D/C) in women with postmenopausal bleeding (PMB) can be challenging due to anesthesiological and/or surgical risks. Thus, less invasive methods for diagnostics are required to identify patients with minimal risk for endometrial cancer (EC) to avoid unnecessary surgical intervention. The objective of this single-center cohort study was to assess the diagnostic validity of transvaginal ultrasound (TVUS) measurements of endometrial thickness (ET) in patients with PMB for the detection of EC...
August 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28633726/small-bowel-intussusception-in-a-pregnant-woman-a-case-report
#18
Roxana Covali, Lucian Ambrosie, Micea Onofriescu, Alexandru Luca, Gabriela Dumachita-Sargu, Violeta Aursulesei, Dumitru Gafitanu
INTRODUCTION: Intussusception usually is associated with children, rarely with adults. CASE PRESENTATION: A 42-year-old pregnant woman (29 weeks' gestation) reported mild pain in the upper aspect of the abdomen after an intense physical effort. Ultrasound examination found a normally evolving pregnancy and a bowel obstacle, without bowel distention. Because it was not a surgical emergency at the time of evaluation, she was sent to the hospital's Obstetrics Department...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28632498/can-early-ultrasonography-explain-the-lower-miscarriage-rates-in-twin-as-compared-to-singleton-pregnancies-following-assisted-reproduction
#19
Ana Póvoa, Alexandra Matias, Pedro Xavier, Isaac Blickstein
OBJECTIVE: To compare first trimester 2D conventional and 3D power Doppler angiography measures in twins and singletons following assisted reproduction. METHODS: We prospectively evaluated 50 singleton and 47 twin pregnancies that eventually ended in live births. Patients were recruited from a single assisted reproductive technology (ART) center with standard treatment protocols. Obstetric ultrasound was performed at 8-9 weeks +6 days. Intervillous flow, uteroplacental circulation and uterine artery pulsatility (PI) and resistance index (RI) using two-dimensional (2D) ultrasound examination were evaluated...
June 20, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28631075/measurement-and-evaluation-of-fetal-fat-layer-in-the-prediction-of-fetal-macrosomia-in-pregnancies-complicated-by-gestational-diabetes
#20
Mohamed Elessawy, Christina Harders, Helmut Kleinwechter, Norbert Demandt, Ghada Abu Sheasha, Nicolai Maass, Ulrich Pecks, Christel Eckmann-Scholz
OBJECTIVES: To explore the predictive power of measuring the abdominal fetal fat layer (FFL) as a soft tissue marker at 31, 34, and 37 weeks' gestation to improve the detection of fetal macrosomia in pregnant women with GDM, in addition to the biometric values with close monitoring of maternal blood sugar level and BMI changes. METHODS: We conducted a prospective observational study at the Department of Obstetrics, University Hospitals, Campus Kiel, Germany, in collaboration with diabetic clinic staff...
June 19, 2017: Archives of Gynecology and Obstetrics
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