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Biometry

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https://www.readbyqxmd.com/read/28426650/neural-injury-markers-in-intrauterine-growth-restriction-and-their-relation-to-perinatal-outcomes
#1
E Mazarico, E Llurba, R Cumplido, A Valls, J C Melchor, M Iglesias, L Cabero, E Gratacós, Md Gómez Roig
BACKGROUND: The aims of this study were to: (1) compare the concentrations of two neural injury markers, S100B protein and neuron-specific enolase (NSE), in intrauterine growth-restricted fetuses (IUGR) and in fetuses with appropriate growth-for-gestational-age (AGA), and (2) investigate potential relationships between concentrations of these markers, Doppler abnormalities, and adverse perinatal or neonatal outcomes. METHODS: This was a case-controlled, cooperative, prospective study among Spanish Maternal and Child Health Network (Retic SAMID) hospitals...
April 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28425156/universal-versus-selective-ultrasonography-to-screen-for-large-for-gestational-age-infants-and-associated-morbidity
#2
Ulla Sovio, Alexandros A Moraitis, Hilary S Wong, Gordon C S Smith
OBJECTIVE: To compare the diagnostic effectiveness of selective versus universal ultrasonography as a screening test for large for gestational age (LGA) infants, and to determine whether previously described ultrasonic markers of excessive fetal growth could identify which suspected LGA fetuses were at increased risk of neonatal morbidity. METHODS: We analysed data from a prospective cohort study of nulliparous women, the Pregnancy Outcome Prediction study. All women had clinically indicated scans as per routine care...
April 20, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28424868/non-invasive-measurements-of-the-dynamic-changes-in-the-ciliary-muscle-crystalline-lens-morphology-and-anterior-chamber-during-accommodation-with-a-high-resolution-oct
#3
José J Esteve-Taboada, Alberto Domínguez-Vicent, Daniel Monsálvez-Romín, Antonio J Del Águila-Carrasco, Robert Montés-Micó
PURPOSE: The purpose of the study was to assess non-invasively the changes in the anterior chamber eye, crystalline lens morphology, and ciliary muscle during accommodation by means of an anterior chamber optical coherence tomographer (OCT), and correlate them with vergence. METHODS: Twenty-five eyes of twenty-five healthy subjects, whose mean age was 29.9±7.1 years, were included and measured with an anterior chamber OCT. The central corneal thickness (CCT), anterior chamber depth (ACD), anterior crystalline lens radius of curvature (ALRC), crystalline lens thickness (CLT), and ciliary muscle area (CMA) were measured for each participant at 0, -1, -2, and -3 D of target vergence...
April 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28412314/improving-students-ability-to-perform-a-standardized-foetal-biometry-plane-using-ultrasound-simulators-immediate-effect-of-simulation-training-on-obstetrical-ultrasound-skills
#4
M Le Lous, V Tsatsaris, A Tesnière, G Grangé
OBJECTIVE: The objective of this study is to assess progress made in the ultrasound (US) measurement of femur length (FL) by students after one hour of training on US obstetric simulators. MATERIALS AND METHODS: Medical residents and midwives registered for the 2016 French national foetal US diploma were invited to a one-hour US training course with simulators. The time to acquire the FL plane with changing foetal presentation was prospectively measured before and after the training...
April 12, 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28410711/failure-modes-and-effects-analysis-of-bilateral-same-day-cataract-surgery
#5
Neal H Shorstein, Carol Lucido, James Carolan, Liyan Liu, Geraldine Slean, Lisa J Herrinton
PURPOSE: To systematically analyze potential process failures related to bilateral same-day cataract surgery toward the goal of improving patient safety. SETTING: Twenty-one Kaiser Permanente surgery centers, Northern California, USA. DESIGN: Retrospective cohort study. METHODS: Quality experts performed a Failure Modes and Effects Analysis (FMEA) that included an evaluation of sterile processing, pharmaceuticals, perioperative clinic and surgical center visits, and biometry...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28402713/optical-biometry-derived-axial-length-measurements-following-intravitreal-anti-vascular-endothelial-growth-factor-treatment-for-macular-edema
#6
George D Kymionis, Athanassios Giarmoukakis, Ioanna K Apostolidi, Styliani V Blazaki, Konstantinos I Tsoulnaras, Joanna Moschandrea, Sofia Panagopoulou, Miltiadis K Tsilimbaris
PURPOSE: To evaluate axial length (AL) alterations in patients with macular disease over the course of intravitreal anti-vascular endothelial growth factor (anti-VEGF) treatment. METHODS: In this prospective, comparative study, 33 patients with macular edema underwent unilaterally intravitreal anti-VEGF therapy and were followed for two months; the contralateral eyes were considered as controls. Central retinal thickness (CRT) was measured with spectral-domain optical coherence tomography and AL with an IOL-Master optical biometer...
April 12, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28390691/zika-virus-detected-in-amniotic-fluid-and-umbilical-cord-blood-in-an-in%C3%A2-vitro-fertilization-conceived-pregnancy-in-venezuela
#7
Isaac Benjamin, Gissel Fernández, José Valentin Figueira, Leticia Parpacén, María Teresa Urbina, Randolfo Medina
OBJECTIVE: To describe the consequences of Zika virus infection at 10 weeks of gestation in an IVF-conceived pregnancy in Venezuela. DESIGN: A case report. SETTING: Private assisted reproduction unit. PATIENT(S): A 36-year-old patient who conceived her first pregnancy through IVF and became infected with Zika virus at 10 weeks' gestation in Venezuela. INTERVENTION(S): In vitro fertilization with fresh ET...
April 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28390332/comparison-of-ultrasound-fetal-biometry-of-singleton-fetuses-with-a-reference-chart-in-pregnant-women-with-normal-nutritional-and-health-status
#8
Tiran Dias, D Chandrasiri, S Abeykoon, C Gunawardena, G Pragasan, T Padeniya, A Pathmeswaran
Objetives: The aim of this study was to compare fetal biometry of singleton fetuses in pregnant women with normal nutritional and health status in the Ampara district, with a commonly used reference chart. Methods: A cross sectional study was carried out in the Ampara District. Women with normal nutritional and health status and minimal environmental constraints on fetal growth (n=714) were enrolled during the first trimester and gestational age was confirmed by fetal crown-rump length measurement between 11 weeks + 0 days and 13 weeks + 6 days...
March 31, 2017: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28384717/reduced-scleral-timp-2-expression-is-associated-with-myopia-development-timp-2-supplementation-stabilizes-scleral-biomarkers-of-myopia-and-limits-myopia-development
#9
Hsin-Hua Liu, Megan S Kenning, Andrew I Jobling, Neville A McBrien, Alex Gentle
Purpose: The purpose of this study was to determine the endogenous regulation pattern of tissue inhibitor of metalloproteinase-2 (TIMP-2) in the tree shrew sclera during myopia development and investigate the capacity of exogenous TIMP-2 to inhibit matrix metalloproteinase-2 (MMP-2) in vitro and both scleral collagen degradation and myopia development in vivo. Methods: TIMP-2 expression in the sclera during myopia development was assessed using polymerase chain reaction...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28367525/the-distribution-of-orbscan-indices-in-young-population
#10
Hassan Hashemi, Mehdi Khabazkhoob, Negareh Yazdani, Hadi Ostadimoghaddam, Payam Nabovati, Raheleh Moravej, AbbasAli Yekta
PURPOSE: To determine the distribution of anterior eye biometry indices, such as keratometry pachymetry, anterior chamber depth (ACD), pupil diameter, and corneal diameter, as measured by Orbscan instrument in a young Iranian population. METHODS: A cross-sectional study was conducted, and subjects were selected through multistage cluster sampling from the students of Mashhad University of Medical Sciences. Objective and subjective refraction were performed followed by Orbscan imaging...
March 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28366683/multifocal-intraocular-lenses-an-overview
#11
REVIEW
Jorge Alio, Ana B Plaza-Puche, Roberto Férnandez-Buenaga, Joseph Pikkel, Miguel Maldonado
Multifocal intraocular lenses (MfIOLs) are increasingly used in the management of pseudophakic presbyopia. After MfIOL implantation, most patients do not need spectacles or contact lenses and are pleased with the result. Complications, however, may affect the patient's quality of life and level of satisfaction. Common problems with multifocal lenses are blurred vision and photic phenomena associated with residual ammetropia, posterior capsule opacification, large pupil size, wavefront anomalies, dry eye, and lens decentration...
March 30, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28366366/clinical-and-biometric-determinants-of-actual-lens-position-after-cataract-surgery
#12
Julien Plat, Didier Hoa, Frederic Mura, Timothe Busetto, Christelle Schneider, Arnaud Payerols, Max Villain, Vincent Daien
PURPOSE: To evaluate the preoperative clinical and biometric determinants associated with the actual lens position after cataract surgery. SETTING: Department of Ophthalmology, University Hospital of Montpellier, France. DESIGN: Prospective longitudinal cohort study. METHODS: The data collected included clinical factors (age, sex, history of vitrectomy) and biometry factors (axial length [AL], anterior chamber depth [ACD], lens thickness, white-to-white [WTW] distance) that might affect actual lens position...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28357814/before-hierarchy-the-rise-and-fall-of-stephen-jay-gould-s-first-macroevolutionary-synthesis
#13
Max W Dresow
Few of Stephen Jay Gould's accomplishments in evolutionary biology have received more attention than his hierarchical theory of evolution, which postulates a causal discontinuity between micro- and macroevolutionary events. But Gould's hierarchical theory was his second attempt to supply a theoretical framework for macroevolutionary studies-and one he did not inaugurate until the mid-1970s. In this paper, I examine Gould's first attempt: a proposed fusion of theoretical morphology, multivariate biometry and the experimental study of adaptation in fossils...
June 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/28357135/circumferential-silicone-sponge-scleral-buckling-induced-axial-length-changes-case-series-and-comparison-to-literature
#14
Shira Sheen Ophir, Asaf Friehmann, Alexander Rubowitz
BACKGROUND: This study compared axial length changes induced by circumferential scleral buckling using a silicone sponge with literature reports for solid silicone rubber. METHODS: Records of patients treated with scleral buckling in 2009-2013 using a silicone sponge, with preoperative axial length biometry measurements were reviewed. Additional information included age, type of surgery, additional surgeries, phakic status and anatomical success of reattachment...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28355262/correction-accuracy-of-optical-biometry-combined-with-placido-disc-corneal-topography-for-intraocular-lens-power-calculation
#15
Giacomo Savini, Kenneth J Hoffer, Piero Barboni, Nicole Balducci, Domenico Schiano-Lomoriello, Pietro Ducoli
[This corrects the article DOI: 10.1371/journal.pone.0172634.].
2017: PloS One
https://www.readbyqxmd.com/read/28349584/trypanoxyuris-trypanoxyuris-minutus-schneider-1866-among%C3%A2-alouatta-guariba-clamitans-cabrera-1940-in-the-state-of-rio-de-janeiro-brazil
#16
Alynne da Silva Barbosa, Laís Verdan Dib, Claudia M Antunes Uchôa, Otilio Machado Pereira Bastos, Alcides Pissinatti
This study reports on infection by Trypanoxyuris (Trypanoxyuris) minutus among Alouatta guariba clamitans through biometry on adults and eggs. A total of 58 adult helminths were recovered from the small segment of the animal's large intestine. This study is the first report of this parasite among A. guariba clamitans in Rio de Janeiro.
March 27, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28347187/second-trimester-amniotic-fluid-corticotropin-releasing-hormone-and-urocortin-in-relation-to-maternal-stress-and-fetal-growth-in-human-pregnancy
#17
Pearl La Marca-Ghaemmaghami, Sara M Dainese, Günter Stalla, Marina Haller, Roland Zimmermann, Ulrike Ehlert
This study explored the association between the acute psychobiological stress response, chronic social overload and amniotic fluid corticotropin corticotropin-releasing hormone (CRH) and urocortin (UCN) in 34 healthy, second-trimester pregnant women undergoing amniocentesis. The study further examined the predictive value of second-trimester amniotic fluid CRH and UCN for fetal growth and neonatal birth outcome. The amniocentesis served as a naturalistic stressor, during which maternal state anxiety and salivary cortisol was measured repeatedly and an aliquot of amniotic fluid was collected...
March 27, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28342729/repeatability-and-agreement-of-scheimpflug-based-and-swept-source-optical-biometry-measurements
#18
Saadettin Sel, Jana Stange, Delia Kaiser, Laszlo Kiraly
PURPOSE: To evaluate the repeatability and comparability of biometry parameters between a Scheimpflug-based topography with axial length measurement (Pentacam AXL, Oculus, Wetzlar, Germany) and a swept-source optical biometry (IOLMaster 700, Carl Zeiss Meditec AG, Jena, Germany). METHODS: A total of 50 eyes from 50 adult subjects had biometry measurements in one session three times using the Pentacam AXL and the IOLMaster 700. Keratometry, anterior chamber depth (ACD) and axial length (AL) values were obtained by both devices...
March 22, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28317681/comparison-of-biometry-and-intraocular-lens-power-calculation-performed-by-a-new-optical-biometry-device-and-a-reference-biometer
#19
Bruna V Ventura, Marcelo C Ventura, Li Wang, Douglas D Koch, Mitchell P Weikert
PURPOSE: To compare biometry measurements and intraocular lens (IOL) power calculations obtained by a new optical A-scan interferometer biometer (Galilei G6) (new biometer) and a partial coherence interferometer biometer (IOLMaster 500) (reference biometer). SETTING: Private practice, Recife, Brazil. DESIGN: Retrospective comparative study. METHODS: Cataract patients who had biometric measurements with the new biometer and the reference biometer were included in the study...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28304179/discrepancy-in-fetal-head-biometry-between-ultrasound-and-mri-in-suspected-microcephalic-fetuses
#20
Gal Yaniv, Eldad Katorza, Vered Tsehmaister Abitbol, Arik Eisenkraft, Ronen Bercovitz, Salim Bader, Chen Hoffmann
Background Microcephaly is one of the most common fetal structural abnormalities, and prenatal microcephaly is considered a group I malformation of cortical development diagnosed according to ultrasound (US) skull measurements. Purpose To evaluate the agreement between fetal head US and magnetic resonance imaging (MRI) biometric measurements of suspected microcephalic fetuses. Material and Methods This institutional review board-approved retrospective study with waived informed consent included 180 pregnant women and was conducted at our medical center from March 2011 to April 2013...
January 1, 2017: Acta Radiologica
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