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https://www.readbyqxmd.com/read/29785987/variant-myopia-a-new-presentation
#1
Jameel Rizwana Hussaindeen, Mithra Anand, Viswanathan Sivaraman, Krishna Kumar Ramani, Peter M Allen
Purpose: Variant myopia (VM) presents as a discrepancy of >1 diopter (D) between subjective and objective refraction, without the presence of any accommodative dysfunction. The purpose of this study is to create a clinical profile of VM. Methods: Fourteen eyes of 12 VM patients who had a discrepancy of >1D between retinoscopy and subjective acceptance under both cycloplegic and noncycloplegic conditions were included in the study. Fourteen eyes of 14 age- and refractive error-matched participants served as controls...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29782075/the-mediating-effects-of-gestational-diabetes-on-fetal-growth-and-adiposity-in-women-who-are-overweight-and-obese-secondary-analysis-of-the-limit-randomised-trial
#2
Amanda J Poprzeczny, Jennie Louise, Andrea R Deussen, Jodie M Dodd
OBJECTIVE: to describe the mediating effect of maternal gestational diabetes on fetal biometry and adiposity measures among overweight or obese pregnant women. DESIGN: Secondary analysis of the LIMIT randomised trial. SETTING: Public hospitals, metropolitan Adelaide, South Australia. POPULATION: Pregnant women with body mass index (BMI) ≥25 kg/m2 , and singleton gestation. METHODS: Fetal ultrasound measures at 36 weeks' gestation and baseline BMI from women randomised to the LIMIT trial Standard Care group (n = 912 women) were used to conduct causal mediation analyses using regression-based methods...
May 21, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29777305/the-distribution-of-retinal-nerve-fiber-layer-thickness-and-associations-with-age-refraction-and-axial-length-the-gutenberg-health-study
#3
Esther M Hoffmann, Irene Schmidtmann, Angeliki Siouli, Alexander K Schuster, Manfred E Beutel, Norbert Pfeiffer, Julia Lamparter
PURPOSE: To evaluate the distribution of peripapillary retinal nerve fiber layer thickness as measured by optical coherence tomography and its associations with ocular parameters in a population-based setting. METHODS: In the population-based Gutenberg Health Study, 1974 subjects from the Mainz-Bingen region were scheduled for ophthalmologic examinations, including visual acuity, refraction, tonometry, biometry, and measurements of peripapillary retinal nerve fiber layer thickness (pRNFL) by optical coherence tomography (SD-OCT, Spectralis®, Heidelberg Engineering, Germany)...
May 18, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29770644/comparative-efficacy-of-the-new-optical-biometer-on-intraocular-lens-power-calculation-al-scan-versus-iolmaster
#4
Ahnul Ha, Won Ryang Wee, Mee Kum Kim
PURPOSE: To evaluate the agreement in axial length (AL), keratometry, and anterior chamber depth measurements between AL-Scan and IOLMaster biometers and to compare the efficacy of the AL-Scan on intraocular lens (IOL) power calculations and refractive outcomes with those obtained by the IOLMaster. METHODS: Medical records of 48 eyes from 48 patients who underwent uneventful phacoemulsification and IOL insertion were retrospectively reviewed. One of the two types of monofocal aspheric IOLs were implanted (Tecnis ZCB00 [Tecnis, n = 34] or CT Asphina 509M [Asphina, n = 14])...
May 15, 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29765196/optical-coherence-tomography-retinal-nerve-fiber-layer-analysis-in-eyes-with-long-axial-lengths
#5
Sagar B Patel, Nisha Reddy, Xihui Lin, Jess T Whitson
Purpose: To evaluate the relationship between axial length (AL) and retinal nerve fiber layer (RNFL) profile and to characterize differences in optical coherence tomography RNFL of myopic glaucomatous eyes compared to nonglaucomatous eyes. Methods: Retrospective chart review of 170 eyes of 89 subjects with optical biometry and optical coherence tomography RNFL assessment was conducted. Results: Temporal RNFL thickness showed no association with AL in either glaucomatous or nonglaucomatous eyes...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29753307/antenatal-risk-factors-associated-with-neonatal-morbidity-in-large-for-gestational-age-infants-an-international-prospective-cohort-study
#6
Matias C Vieira, Lesley Me McCowan, Robyn A North, Jenny E Myers, James J Walker, Philip N Baker, Gustaaf A Dekker, Louise C Kenny, Lucilla Poston, Dharmintra Pasupathy
INTRODUCTION: Large for gestational age (LGA) infants are associated with increased risk of neonatal morbidity and mortality, however most of them will not have adverse outcomes. Our aim was to identify antenatal clinical factors associated with neonatal morbidity in LGA infants. MATERIAL AND METHODS: Nulliparous women from the Screening for Pregnancy Endpoints (SCOPE) study were included. We compared maternal and fetal factors between LGA infants (birthweight >90th customized centile) with and without neonatal morbidity, defined as admission to neonatal intensive care unit or severe neonatal morbidity...
May 12, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29738748/femur-sparing-pattern-of-abnormal-fetal-growth-in-pregnant-women-from-new-york-city-after-maternal-zika-virus-infection
#7
Christie L Walker, Audrey A Merriam, Eric O Ohuma, Manjiri K Dighe, Michael Gale, Lakshmi Rajagopal, Aris T Papageorghiou, Cynthia Gyamfi-Bannerman, Kristina M Adams Waldorf
BACKGROUND: Zika virus (ZIKV) is a mosquito-transmitted flavivirus, which can induce fetal brain injury and growth restriction following maternal infection during pregnancy. Prenatal diagnosis of ZIKV-associated fetal injury in the absence of microcephaly is challenging due to an incomplete understanding of how maternal ZIKV infection affects fetal growth and the use of different sonographic reference standards around the world. We hypothesized that skeletal growth is unaffected by ZIKV infection and that the femur length can represent an internal standard to detect growth deceleration of the fetal head and/or abdomen by ultrasound...
May 5, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29736407/investigating-the-impact-of-preoperative-corneal-astigmatism-orientation-on-the-postoperative-spherical-equivalent-refraction-following-intraocular-lens-implantation
#8
Richard N McNeely, Salissou Moutari, Eric Pazo, Jonathan E Moore
Background: To investigate the impact of the orientation of preoperative corneal astigmatism on achieving the postoperative target refraction following monofocal intraocular lens (IOL) implantation. Methods: This study enrolled 339 eyes who had uneventful cataract surgery or refractive lens exchange (RLE) with subsequent monofocal IOL implantation. Eyes were initially categorized dependent upon axial length and then on the orientation of preoperative anterior corneal astigmatism...
2018: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/29730664/fetal-biometry-and-doppler-study-for-the-assessment-of-perinatal-outcome-in-stage-i-late-onset-fetal-growth-restriction
#9
Cecilia Villalaín, Ignacio Herraiz, María Soledad Quezada, Paula Isabel Gómez-Arriaga, Enery Gómez-Montes, Alberto Galindo
OBJECTIVE: To compare perinatal outcomes on fetuses classified as stage I late-onset fetal growth restriction (FGR) depending on the estimated fetal weight (EFW) centile category and the fetal and maternal Doppler study. MATERIAL AND METHODS: Retrospective cohort study on 131 cases of stage I late-onset FGR (diagnosis ≥32+0 weeks), defined as: EFW < 3rd centile and normal Doppler (G1) or EFW < 10th centile and mean uterine artery pulsatility index (PI) > 95th centile (G2) or EFW < 10th centile and mild fetal Doppler alteration: umbilical artery PI > 95th centile, middle cerebral artery PI < 5th centile, or cerebroplacental ratio < 5th centile (G3)...
May 4, 2018: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29728591/association-between-amniotic-fluid-evaluation-and-fetal-biometry-a-prospective-french-flash-study
#10
Florent Fuchs, Safa Aouinti, Manel Souaied, Valentin Keller, Marie-Christine Picot, Nicolas Fries, Jean-Marc Ayoubi, Olivier Picone
We aimed to study the association between three different methods of assessing the amount of amniotic fluid (subjective method (SM), deepest vertical pocket (DVP) and amniotic fluid index (AFI)) and estimated fetal weight (EFW) (in percentile or Z-score) after adjustment on maternal-fetal parameters. We performed a nationwide cross-sectional study through the French network of obstetric sonographers using the "flash" study method and including low-risk singleton pregnancies from 18-40 weeks. Crude and adjusted odds ratio were computed after stratification upon 2nd and 3rd trimester of pregnancy...
May 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29716537/accuracy-of-immediate-antepartum-ultrasound-estimated-fetal-weight-and-its-impact-on-mode-of-delivery-and-outcome-a-cohort-analysis
#11
Johannes Stubert, Adam Peschel, Michael Bolz, Änne Glass, Bernd Gerber
BACKGROUND: The aim of the study was to investigate the accuracy of ultrasound-derived estimated fetal weight (EFW) and to determine its impact on management and outcome of delivery. METHODS: In this single-center cohort analysis, women with a singleton term pregnancy in the beginning stages of labor were included. Women with immediately antepartum EFW (N = 492) were compared to women without ultrasound (N = 515). RESULTS: EFW was correct (deviation from birth weight ≤ 10%) in 72...
May 2, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29704280/prediction-of-adverse-pregnancy-outcome-in-monochorionic-diamniotic-twin-pregnancies-complicated-by-selective-fetal-growth-restriction
#12
Caitriona Monaghan, Erkan Kalafat, Julia Binder, Baskaran Thilaganathan, Asma Khalil
OBJECTIVE: To identify key factors implicated in adverse perinatal outcome in monochorionic twin pregnancies complicated by selective fetal growth restriction. METHODS: This is a retrospective cohort study conducted in a single tertiary referral centre included all monochorionic diamniotic (MCDA) twin pregnancies complicated by selective fetal growth restriction (sFGR). The presence of co-existing twin to twin transfusion syndrome (TTTS) was noted. Fetal biometry and Doppler indices, including the umbilical artery (UA) and ductus venosus (DV), were recorded at the time of diagnosis...
April 28, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29700651/comparison-of-anterior-segment-parameters-and-axial-length-measurements-performed-on-a-scheimpflug-device-with-biometry-function-and-a-reference-optical-biometer
#13
Maria Muzyka-Woźniak, Adam Oleszko
PURPOSE: To compare measurements of axial length (AL), corneal curvature (K), anterior chamber depth (ACD) and white-to-white (WTW) distance on a new device combining Scheimpflug camera and partial coherence interferometry (Pentacam AXL) with a reference optical biometer (IOL Master 500). To evaluate differences between IOL power calculations based on the two biometers. METHODS: Ninety-seven eyes of 97 consecutive cataract or refractive lens exchange patients were examined preoperatively on IOL Master 500 and Pentacam AXL units...
April 26, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29700617/the-role-of-the-vitreous-body-in-effective-iol-positioning
#14
Joris Vander Mijnsbrugge, Jean-Francois Fils, Joyce Jansen, Minh-Tri Hua, Peter Stalmans
PURPOSE: To compare the effective lens position (ELP) after phaco surgery alone and after combined phacovitrectomy surgery. METHODS: Twenty patients who were scheduled for elective surgery in both eyes were included. In one eye, phacovitrectomy surgery was performed (without any tamponade), and in the fellow eye, only phaco surgery was performed using the same IOL type. Pre- and postoperative biometric measurements were performed using laser interference biometry...
April 26, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29696704/fetal-medicine-foundation-fetal-and-neonatal-population-weight-charts
#15
K H Nicolaides, D Wright, A Syngelaki, A Wright, R Akolekar
OBJECTIVE: To develop fetal and neonatal population weight charts. The rationale for this objective is that while reference ranges of estimated fetal weight (EFW) are representative of the whole population, the traditional approach of deriving birth-weight (BW) charts is misleading because a high proportion of babies born preterm arises from pathological pregnancies. We propose that the reference population for BW charts, as in the case of EFW charts, should be all babies at a given gestational age including those still in utero...
April 26, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29695262/hypericum-perforatum-to-improve-post-operative-pain-outcome-after-monosegmental-spinal-microdiscectomy-hypos-a-study-protocol-for-a-randomised-double-blind-placebo-controlled-trial
#16
Christa Raak, Wolfram Scharbrodt, Bettina Berger, Arndt Büssing, René Geißen, Thomas Ostermann
BACKGROUND: Spinal disc herniation is a frequently occurring degenerative disease of the spine. Many patients undergoing surgery suffer from radicular pain, known as memory pain, beginning from the third post-operative day. This results in the prescription of high-dose opioid medications. In homeopathy, Hypericum perforatum is known as a remedy for unbearable, shooting or jabbing pain especially when neural damage is involved. Reduction of pain after application of H. perforatum has been observed in previous studies...
April 25, 2018: Trials
https://www.readbyqxmd.com/read/29692930/refraction-and-ocular-biometry-of-preschool-children-in-shanghai-china
#17
Luoli Zhang, Xiangui He, Xiaomei Qu, Xiaofang You, Bingjie Wang, Huijing Shi, Hui Tan, Haidong Zou, Jianfeng Zhu
Purpose: To investigate the refraction and ocular biometry characteristics and to examine the prevalence of refractive errors in preschool children aged 3 to 6 years in Shanghai, China. Methods: A school-based cross-sectional study was conducted in Jiading and Xuhui District, Shanghai, in 2013. We randomly selected 7 kindergartens in Jiading District and 10 kindergartens in Xuhui District, with a probability proportionate to size. The children underwent comprehensive eye examinations, including cycloplegic refraction and biometric measurements...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29691923/the-interaction-between-homatropine-and-optical-blur-on-choroidal-thickness
#18
Beata P Sander, Michael J Collins, Scott A Read
PURPOSE: To analyse the short-term interaction between a short period of myopic and hyperopic defocus and the muscarinic antagonist homatropine upon the choroidal thickness and ocular biometrics of healthy subjects. METHODS: Thirty young adults (15 myopes and 15 emmetropes) aged 18-35 years had subfoveal choroidal thickness (ChT) and ocular biometry measurements taken before, 30 min, and 60 min following the introduction of monocular optical blur (0.00 D, +3...
May 2018: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/29689632/a-crossover-comparison-of-standard-and-telerobotic-approaches-to-prenatal-sonography
#19
Scott J Adams, Brent E Burbridge, Andreea Badea, Nadine Kanigan, Luis Bustamante, Paul Babyn, Ivar Mendez
OBJECTIVES: To determine the feasibility of a telerobotic approach to remotely perform prenatal sonographic examinations. METHODS: Thirty participants were prospectively recruited. Participants underwent a limited examination (assessing biometry, placental location, and amniotic fluid; n = 20) or a detailed examination (biometry, placental location, amniotic fluid, and fetal anatomic survey; n = 10) performed with a conventional ultrasound system. This examination was followed by an equivalent examination performed with a telerobotic ultrasound system, which enabled sonographers to remotely control all ultrasound settings and fine movements of the ultrasound transducer from a distance...
April 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29686936/complete-placenta-previa-ultrasound-biometry-and-surgical-outcomes
#20
Alison C Wortman, Stephanie L Schaefer, Donald D McIntire, Jeanne S Sheffield, Diane M Twickler
Objective  To evaluate the relationship between surgical outcomes and ultrasound measurement of placental extension beyond the cervical os in women with placenta previa. Study Design  This is a retrospective cohort study of singleton pregnancies with placenta previa undergoing third-trimester ultrasound and delivering at our institution from 2002 through 2011. For study purposes, an investigator measured placental extension, defined as the placental distance from the internal os across the placenta continuing out to the lowest placental edge...
April 2018: American Journal of Perinatology Reports
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