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https://www.readbyqxmd.com/read/28644576/size-dependency-of-tree-growth-response-to-drought-among-norway-spruce-and-european-beech-individuals-in-monospecific-and-mixed-species-stands
#1
Haiyu Ding, Hans Pretzsch, Gerhard Schütze, Thomas Rötzer
Climatic anomalies have resulted in changing forest productivity, increasing tree mortality in Central and Southern Europe. This has resulted in more severe and frequent ecological disturbances to the forest stands. This study analysed the size dependency of growth response to drought years based on 384 tree individuals of Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica [L.]) in Bavaria, Germany. Samples were collected in both monospecific and mixed-species stands. To quantify the growth response of drought stress, indices including basal area increment, resistance, recovery, and resilience were calculated from tree ring measurements of increment cores...
June 23, 2017: Plant Biology
https://www.readbyqxmd.com/read/28644061/diffusion-weighted-magnetic-resonance-imaging-in-the-assessment-of-choroid-plexus-aging
#2
Banu Alicioglu, Guliz Yilmaz, Ozgur Tosun, Nail Bulakbasi
Recent studies have pointed out dysfunction and histopathological changes of the choroid plexuses (CPs) with aging. This paper reviews apparent diffusion coefficient (ADC) values of the CPs for age-related changes. All the brain MR images of the patients between January 2013 and June 2014 in our Radiology Department were retrospectively investigated. Patients with major cranial abnormalities (brain tumors, hyperacute or acute ischemia, developmental anomalies, hemorrhage, hydrocephaly) were excluded. Diffusion-weighted images were obtained at the parameter values of b = 1000 s/mm(2) in the axial plane...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643921/whole-exome-sequencing-identified-a-variant-in-eftud2-gene-in-establishing-a-genetic-diagnosis
#3
S Rengasamy Venugopalan, E G Farrow, M Lypka
OBJECTIVES: Craniofacial anomalies are complex and have an overlapping phenotype. Mandibulofacial Dysostosis and Oculo-Auriculo-Vertebral Spectrum are conditions that share common craniofacial phenotype and present a challenge in arriving at a diagnosis. In this report, we present a case of female proband who was given a differential diagnosis of Treacher Collins syndrome or Hemifacial Microsomia without certainty. Prior genetic testing reported negative for 22q deletion and FGFR screenings...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643912/mouse-models-for-the-study-of-cranial-base-growth-and-anomalies
#4
REVIEW
S R Vora
The cranial base is a central and integral component of the cranioskeleton, yet little is known about its growth. Despite the dissimilarities between human and murine cranioskeletal form, mouse models are proving instrumental in studying craniofacial growth. The objectives of this review are to summarize recent findings from numerous mouse models that display growth defects in one or more cranial base synchondroses, with accompanying changes in chondrocyte cellular zones. Many of these models also display altered growth of the cranial vault and/or the facial region...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643725/a-7-year-old-female-child-of-incontinentia-pigmenti-presenting-with-vitreous-hemorrhage
#5
Sung-Ying Huang, Lee-Jen Chen, Sheng-Chun Chiu
Incontinentia pigmenti (IP) is a rare disease with multisystemic anomalies, which commonly presents just after birth. Here, we report a rare case of IP patient with vitreous hemorrhage in school-age children. Therefore, physicians have to be alert and evaluate IP patients at all ages. Regular ophthalmic follow-up is necessary, and fluorescein angiography should be performed if peripheral ischemia or neovascularization is suspected. The effect of peripheral laser ablation on peripheral retinal nonperfusion is not clear and merits further study...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28643667/can-we-perform-a-prenatal-diagnosis-of-vasa-previa-to-improve-its-obstetrical-and-neonatal-outcomes
#6
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/28643663/delivery-outcomes-of-term-pregnancy-complicated-by-idiopathic-polyhydramnios
#7
S Zeino, L Carbillon, I Pharisien, A Tigaizin, M Benchimol, R Murtada, J Boujenah
OBJECTIVE: Polyhydramnios is associated with an increased risk of cesarean section. The aetiology of polyhydramnios and the characteristics of the labour may be confounding factors. The objective was to study the characteristics and mode of delivery in case of pregnancy complicated with idiopathic polyhydramnios. METHODS: This retrospective matched and controlled study included all pregnant women with idiopathic polyhydramnios (amniotic index>25cm or single deepest pocket>8cm) diagnosed at the 2nd or 3rd trimester and persistent at term delivery (>37weeks of pregnancy) in our institution...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28643441/coronary-artery-anomalies-a-multidisciplinary-approach-to-shape-the-landscape-of-a-challenging-problem
#8
Silvana Molossi, Hitesh Agrawal
Coronary artery anomalies, particularly anomalous aortic origin of a coronary artery with an interarterial course, are associated with sudden cardiac arrest or death in the young. There is paucity of data on risk stratification and longitudinal follow up is lacking in these patients. Collaboration and sharing of data among specialized centers might shed much needed light in this complex problem.
June 23, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28643038/prevalence-of-cerebral-cavernous-malformations-associated-with-developmental-venous-anomalies-increases-with-age
#9
Waleed Brinjikji, Ali El-Rida El-Masri, John T Wald, Kelly D Flemming, Giuseppe Lanzino
BACKGROUND AND PURPOSE: To test the hypothesis that the prevalence of cerebral cavernous malformation (CCM) associated with developmental venous anomalies (DVAs) increases with age, we studied the age-related prevalence of DVA-associated CCM among patients with DVAs. MATERIALS AND METHODS: Patients with DVAs on contrast-enhanced MRI exams performed over a 2-year period were included in this study. A single neuroradiologist reviewed all imaging exams for the presence of CCMs...
June 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28642639/foregut-duplication-cysts-in-children
#10
Keshawadhana Balakrishnan, Frances Fonacier, Shilpa Sood, Natasha Bamji, Howard Bostwick, Gustavo Stringel
BACKGROUND AND OBJECTIVES: Duplications of the alimentary tract are rare anomalies. We report our experience with foregut duplication cysts including their clinical presentation, diagnostic modalities, and surgical management. METHODS: We report a 20-year retrospective review of all foregut duplication cysts managed at our institution. RESULTS: Twelve patients with 13 foregut duplication cysts were identified. The ages of the children at the time of surgery ranged from infancy to adolescence, with a mean age of 7...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28642281/utility-of-genomic-analysis-in-circulating-tumor-dna-from-patients-with-carcinoma-of-unknown-primary
#11
Shumei Kato, Nithya Krishnamurthy, Kimberly C Banks, Pradip De, Kirstin Williams, Casey Williams, Brian Leyland-Jones, Scott M Lippman, Richard B Lanman, Razelle Kurzrock
Carcinoma of unknown primary (CUP) is a rare and difficult-to-treat malignancy, the management of which might be improved by the identification of actionable driver mutations. We interrogated interrogated 54-70 genes in 442 patients with CUP using targeted clinical-grade, next-generation sequencing (NGS) of circulating tumor DNA (ctDNA). Overall, 80% of patients exhibited ctDNA alterations; 66%, ≥ 1 characterized alteration(s) excluding variants of unknown significance. TP53-associated genes were most commonly altered (37...
June 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28641750/predicting-outcomes-in-congenital-diaphragmatic-hernia
#12
Oluwatomilayo Daodu, Mary E Brindle
Identification of CDH infant populations at high risk for mortality postnatally may help to develop targeted care strategies, guide discussions surrounding palliation and contribute to standardizing reporting and benchmarking, so that care strategies at different centers can be compared. Clinical prediction rules are evidence-based tools that combine multiple predictors to estimate the probability that a particular outcome in an individual patient will occur. In CDH, a suitable clinical prediction rule can stratify high- and low-risk populations and provide the ability to tailor management strategies based on severity...
June 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28641381/supraventricular-tachyarrhythmias-in-patients-with-a-persistent-left-superior-vena-cava
#13
Jongmin Hwang, Hyoung-Seob Park, Jun Kim, Jeong Su Kim, Jong Sung Park, Ki-Hun Kim, Myung Hwan Bae, Sang-Hee Lee, Young Soo Lee, Seongwook Han, Dae-Kyeong Kim, Tae-Joon Cha, Dong Gu Shin, Byung Chun Jung, Yoon-Nyun Kim
Aims: A persistent left superior vena cava (PLSVC) is the most common thoracic venous anomaly. This venous anomaly can impact the evaluation and treatment of supraventricular tachyarrhythmia (SVA). The aim of this study was to assess the proportion and characteristics of PLSVC in adult SVA patients. Methods and results: From July 2002 to July 2012, clinical and procedural data from databases of 10 cardiac electrophysiology laboratories in the Yeungnam region of the Republic of Korea were reviewed...
June 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28640129/vacter-syndrome-with-situs-inversus-totalis-case-report-and-a-new-syndrome
#14
Wei Wu, Zhibao Lv, Weijue Xu, Jiangbing Liu, Wei Jia
INTRODUCTION: The association of situs inversus totalis (SIT) and VACTERL syndrome an extremely rare coincidence. PATIENTS: The patient was first diagnosed as simple SIT with lumbosacral neoplasms according to the prenatal magnetic resonance imaging (MRI) examination; however, the local hospital ignored the important to physical examination so that missed anal atresia with fistula. The patient was presented to our hospital owing to constipation for 1 week. And then, she was diagnosed as VACTER syndrome with situs inversus totalis...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639717/a-prospective-study-on-transvaginal-ultrasound-of-cervical-length-cl-in-the-first-and-second-trimester-in-a-low-risk-population
#15
C B Wulff, L Rode, S Rosthøj, E Hoseth, O B Petersen, A Tabor
OBJECTIVES: To assess cervical length (CL) longitudinally in the first and second trimester and to determine the proportion of women with a short CL. Further, to assess if women with a short CL at 19-24 weeks could be identified at the combined first-trimester screening (cFTS) at 11-14 weeks in relation to a potential implementation of CL screening in the Danish population. METHODS: We recruited singleton pregnant women attending the combined first-trimester screening from 1 November 2013 to 1 December 2014 to a longitudinal prospective study at three University Hospitals in Denmark...
June 22, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28639568/intraoperative-transesophageal-echocardiography-in-the-operation-of-ebstein-s-anomaly-a-retrospective-study
#16
Xiu-Jie Tang, Min Bao, He Zhao, Lian-Yi Wang, Qing-Yu Wu
BACKGROUND: Ebstein's anomaly (EA) has various spectrums in clinical and anatomic features. This study aimed to report the experience of two-dimensional intraoperative transesophageal echocardiography (2D-ITEE) during the EA surgery and to analyze the characteristics of the tricuspid valve (TV) by comparing the data from 2D-ITEE with the results from the surgery. METHODS: 2D-ITEE data of 164 patients with EA who were operated in the First Hospital of Tsinghua University between July 2004 and April 2014 were retrospectively analyzed in this study...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28639559/pressure-induced-superconductivity-in-cras-and-mnp
#17
Jinguang Cheng, Jian Lin Luo
Transition-metal monopnictides, CrAs and MnP, have been studied over fifty years ago due to the presence of interesting magnetic properties: CrAs forms a double-helical magnetic structure below TN ≈ 270 K accompanied with a strong first-order structural transition, while MnP first undergoes a ferromagnetic transition at TC ≈ 290 K and then adopts a similar double-helical order below Ts ≈ 50 K. Both compounds are correlated metals and exhibit distinct anomalies at these characteristic magnetic transitions...
June 22, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28639488/prenatal-exposure-to-serotonin-reuptake-inhibitors-and-congenital-heart-anomalies-an-exploratory-pharmacogenetics-study
#18
Aizati N A Daud, Jorieke E H Bergman, Wilhelmina S Kerstjens-Frederikse, Pieter van der Vlies, Eelko Hak, Rolf M F Berger, Henk Groen, Bob Wilffert
AIM: To explore the role of pharmacogenetics in determining the risk of congenital heart anomalies (CHA) with prenatal use of serotonin reuptake inhibitors. METHODS: We included 33 case-mother dyads and 2 mother-only (child deceased) cases of CHA in a case-only study. Ten genes important in determining fetal exposure to serotonin reuptake inhibitors were examined: CYP1A2, CYP2C9, CYP2C19, CYP2D6, ABCB1, SLC6A4, HTR1A, HTR1B, HTR2A and HTR3B. RESULTS: Among the exposed cases, polymorphisms that tended to be associated with an increased risk of CHA were SLC6A4 5-HTTLPR and 5-HTTVNTR, HTR1A rs1364043, HTR1B rs6296 and rs6298 and HTR3B rs1176744, but none reached statistical significance due to our limited sample sizes...
June 22, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28639359/interobserver-variability-in-the-classification-of-congenital-coronary-abnormalities-a-substudy-of-the-anomalous-connections-of-the-coronary-arteries-registry
#19
Athanasios Koutsoukis, Xavier Halna du Fretay, Patrick Dupouy, Phalla Ou, Jean-Pierre Laissy, Jean-Michel Juliard, Fabien Hyafil, Pierre Aubry
OBJECTIVE: The diagnosis of anomalous connections of the coronary arteries (ANOCOR) requires an appropriate identification for the management of the patients involved. We studied the observer variability in the description and classification of ANOCOR between a nonexpert group of physicians and a group of expert physicians, using the ANOCOR cohort. PATIENTS AND DESIGN: Consecutive patients identified by 71 referring cardiologists were included in the ANOCOR cohort...
June 21, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28638814/congenital-urogenital-abnormalities-in-children-with-congenital-hypothyroidism
#20
Parsa Yousefi Chaijan, Fatemeh Dorreh, Mojtaba Sharafkhah, Mohammad Amiri, Mohsen Ebrahimimonfared, Mohammad Rafeie, Fatemeh Safi
Background: Congenital hypothyroidism (CH), as one of the most common congenital endocrine disorders, may be significantly associated with congenital malformations. This study investigates urogenital abnormalities in children with primary CH (PCH). Methods: This case-control study was conducted on 200 children aged three months to 1 year, referred to Amir-Kabir Hospital, Arak, Iran. One hundred children with PCH, as the case group, and 100 healthy children, as the control group, were selected using convenient sampling...
2017: Medical Journal of the Islamic Republic of Iran
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