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https://www.readbyqxmd.com/read/29156469/-efficacy-of-vertical-muscle-transpositions-with-and-without-simultaneous-rectus-muscle-recession-for-unilateral-sixth-nerve-palsy
#1
Andrea M Hedergott, Dana Wild, Julia Fricke, Antje Neugebauer
Background We report results of a modified vertical muscle transposition procedure according to the Hummelsheim principle - with and without simultaneous rectus muscle recession - for unilateral sixth nerve palsy. We examine the influence of the duration of the palsy, preoperative angle of squint and preoperative abductive capacity on surgical results of the procedures. Patients and Methods Retrospective study of 29 consecutive patients with unilateral abducens nerve palsy who underwent surgery between 2001 and 2012...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156061/bilateral-superior-rectus-transposition-with-bilateral-medial-rectus-recession-for-m%C3%A3-bius-syndrome
#2
Yuxi Zheng, Sean P Donahue
Bilateral superior rectus transposition with bilateral medial rectus recession has been described successfully for treatment of Duane's syndrome but never for Möbius syndrome. The authors describe a child with Möbius syndrome who presented with large bilateral abduction deficits and esotropia. This surgical treatment resulted in marked improvement of said deficits. [J Pediatr Ophthalmol Strabismus. 2017;54:e81-e82.].
November 17, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29155835/assessment-of-transposition-of-the-great-arteries-associated-with-multiple-malformations-using-dual-source-computed-tomography
#3
Lin-Jun Xie, Li Jiang, Zhi-Gang Yang, Ke Shi, Hua-Yan Xu, Rui Li, Kai-Yue Diao, Ying-Kun Guo
PURPOSE: To determine the value of dual-source computed tomography (DSCT) in depicting the morphological characteristics and diagnosing the associated malformations for patients with transposition of the great arteries (TGA) before surgery. MATERIALS AND METHODS: Twenty-five patients with TGA who underwent DSCT and transthoracic echocardiography (TTE) examination were retrospectively reviewed. The morphological types of TGA, the spatial relationship between the pulmonary artery and the aorta, as well as coronary artery-associated abnormalities were assessed by DSCT...
2017: PloS One
https://www.readbyqxmd.com/read/29153868/-transposition-of-the-cephalic-vein-in-free-flap-breast-reconstruction-technical-note
#4
T Silhol, T Suffee, M Hivelin, L Lantieri
Free flaps have become a reliable practice for breast reconstruction. However, the venous congestion is still the most frequent reason of flap failure. It is due to bad quality of the internal mammary veins, a preferential superficial venous outflow of the flap or due to venous thrombosis. The transposition of the cephalic vein could useful in some cases. We describe the surgical technique and suggest an intraoperative algorithm. Seventeen patients (15 DIEP and 2 PAP) were included. Twenty nine point four percent had an unusable internal mammary vein, 23...
November 16, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29149047/new-insights-into-phasmatodea-chromosomes
#5
Thomas Liehr, Olesya Buleu, Tatyana Karamysheva, Alexander Bugrov, Nikolai Rubtsov
Currently, approximately 3000 species of stick insects are known; however, chromosome numbers, which range between 21 and 88, are known for only a few of these insects. Also, centromere banding staining (C-banding) patterns were described for fewer than 10 species, and fluorescence in situ hybridization (FISH) was applied exclusively in two Leptynia species. Interestingly, 10-25% of stick insects (Phasmatodea) are obligatory or facultative parthenogenetic. As clonal and/or bisexual reproduction can affect chromosomal evolution, stick insect karyotypes need to be studied more intensely...
November 17, 2017: Genes
https://www.readbyqxmd.com/read/29148606/severe-subvalvular-pulmonic-stenosis-due-to-a-ball-shaped-accessory-tissue-in-an-asymptomatic-woman-with-congenitally-corrected-transposition-of-great-arteries-and-mesocardia-a-rare-case-report
#6
Maryam Nabati, Mozhdeh Dabirian
Congenitally corrected transposition of great arteries (CCTGA) is a rare anomaly described by atrioventricular and ventriculoarterial discordance. On the other hand, mesocardia that is extremely rare includes two relatively well-defined apexes defined by each ventricle with the major axis of the heart lies in the midline. We describe a rare case of an asymptomatic 20-year-old woman with mesocardia, CCTGA, and severe subvalvular pulmonic stenosis due to a ball-shaped accessory tissue in left ventricular outflow tract...
November 17, 2017: Echocardiography
https://www.readbyqxmd.com/read/29148529/anterior-segment-ischemia-etiology-assessment-and-management
#7
S L Pineles, M Y Chang, E L Oltra, M S Pihlblad, J P Davila-Gonzalez, T C Sauer, F G Velez
Anterior segment ischemia (ASI) is a potentially serious but rare complication of strabismus surgery. Among several risk factors, ASI occurs after strabismus surgery because of the nature of the anterior segment circulation. Disinsertion of rectus muscles leads to a decrease in the blood supply to the various anterior segment structures. We report a series of retrospective and prospective studies performed by our group focused on determining the risk of anterior segment ischemia following strabismus surgery, diagnosis, and modifications to surgical techniques to minimize the impact on anterior segment circulation...
November 17, 2017: Eye
https://www.readbyqxmd.com/read/29148310/biventricular-repair-of-double-outlet-right-ventricle-preoperative-echocardiography-and-surgical-outcomes
#8
Hong Meng, Kun-Jing Pang, Shou-Jun Li, David Hsi, Jun Yan, Sheng-Shou Hu, Zhong-Dong Hua, Hao Wang
OBJECTIVE: To discuss the key anatomic features of double outlet right ventricle (DORV) assessed by preoperative echocardiography among patients treated with different types of biventricular repair. METHODS: Surgical and echocardiographic databases were queried to identify patients who had undergone biventricular repair for DORV and had adequate preoperative echocardiographic imaging. All patients underwent pre- and postoperative echocardiography and clinical evaluation following discharge...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29145860/a-new-single-step-protocol-for-rapid-baculovirus-driven-protein-production-in-insect-cells
#9
Judith Scholz, Sabine Suppmann
BACKGROUND: In the last three decades, the Baculovirus expression vector system (BEV) has evolved to one of the most widely used eukaryotic systems for heterologous protein expression including approved vaccines and therapies. Despite the significant improvements introduced during the past years, the BEV system still has major drawbacks, primarily the time required to generate recombinant virus and virus instability for certain target proteins. In this study we show that the conventional method to generate recombinant Baculovirus using a Tn7 transposition based system can be shortened to a single-step transfection-only procedure without further amplification...
November 16, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/29142635/microvascular-decompression-for-glossopharyngeal-neuralgia-clinical-analyses-of-30-cases
#10
Mi Kyung Kim, Jae Sung Park, Young Hwan Ahn
Objective: We present our experience of microvascular decompression (MVD) for glossopharyngeal neuralgia (GPN) and evaluate the postoperative outcomes in accordance with four different operative techniques during MVD. Methods: In total, 30 patients with intractable primary typical GPN who underwent MVD without rhizotomy and were followed for more than 2 years were included in the analysis. Each MVD was performed using one of four different surgical techniques: interposition of Teflon pieces, transposition of offending vessels using Teflon pieces, transposition of offending vessels using a fibrin-glue-coated Teflon sling, and removal of offending veins...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29141840/cerebral-oxygenation-measurements-by-magnetic-resonance-imaging-in-fetuses-with-and-without-heart-defects
#11
Mette H Lauridsen, Niels Uldbjerg, Tine B Henriksen, Olav B Petersen, Brian Stausbøl-Grøn, Niels B Matthiesen, David A Peters, Steffen Ringgaard, Vibeke E Hjortdal
BACKGROUND: Children with major congenital heart defects are risking impaired cerebral growth, delayed cerebral maturation, and neurodevelopmental disorders. We aimed to compare the cerebral tissue oxygenation of fetuses with major heart defects to that of fetuses without heart defects as estimated by the magnetic resonance imaging modality T2*. T2* is low in areas with high concentrations of deoxyhemoglobin. METHODS AND RESULTS: At gestational age mean 32 weeks (early) and mean 37 weeks (late), we compared the fetal cerebral T2* in 28 fetuses without heart defects to that of 15 fetuses with major heart defects: transposition of the great arteries (n=7), coarctation of the aorta/hypoplastic aortic arch (n=5), tetralogy of Fallot (n=1), hypoplastic right heart (n=1), and common arterial trunk (n=1)...
November 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29136736/-expression-of-b-cell-transposition-gene-3-in-pancreatic-ductal-adenocarcinoma-and-its-prognostic-value
#12
J Chen, Z C Zhou, W B Liu, J Wang, X J Chen, Y Y Shen, Z X Zhong
Objective: To detect the expression of B cell transposition gene 3(BTG3) in pancreatic ductal adenocarcinoma(PDAC), and explore its relationship with postoperative recurrence and metastasis of tumor. Methods: Six self-paired frozen PDAC specimens and 3 normal pancreatic tissues from the Second Hospital of Jiaxing Affiliated to Jiaxing University were collected and the expression of BTG3 was detected by qPCR. Ten normal pancreatic tissues and 52 cases of PDAC tumor and paracarcinomatous tissues from the Second Hospital of Jiaxing Affiliated to Jiaxing University were collected from June 2009 to December 2016...
November 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29135145/-aesthetic-criteria-in-surgical-treatment-of-hypospadias-in-children
#13
G V Kozyrev, A A Protasov, V V Nikolaev, F K Abdullaev, G A Abdulkarimov, M E Karmanov
Aesthetically acceptable cosmetic results of surgical correction of external genital organ defects are important for treatment evaluation along with well-known criteria of good functional outcomes.The purpose of this study was to improve the results of treating children with hypospadias by improving the assessment of results and introducing multi-step correction modalities. MATERIALS AND METHODS: From 2013 to 2015, 476 patients with various forms of hypospadias were treated at the Department of Uroandrology of RCCH...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29134604/muprints-and-whole-genome-insertion-scans-methods-for-investigating-chromosome-accessibility-and-dna-dynamics-using-bacteriophage-mu
#14
N Patrick Higgins
Bacteriophage Mu infects a broad range of gram-negative bacteria. After infection, Mu amplifies its DNA through a coupled transposition/replication cycle that inserts copies of Mu throughout all domains of the folded chromosome. Mu has the most relaxed target specificity of the known transposons (Manna et al., J Bacteriol 187: 3586-3588, 2005) and the Mu DNA packaging process, called "headful packaging", incorporates 50-150 bp of host sequences covalently bound to its left end and 2 kb of host DNA linked to its right end into a viral capsid...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29134602/applications-of-the-bacteriophage-mu-in-vitro-transposition-reaction-and-genome-manipulation-via-electroporation-of-dna-transposition-complexes
#15
Saija Haapa-Paananen, Harri Savilahti
The capacity of transposable elements to insert into the genomes has been harnessed during the past decades to various in vitro and in vivo applications. This chapter describes in detail the general protocols and principles applicable for the Mu in vitro transposition reaction as well as the assembly of DNA transposition complexes that can be electroporated into bacterial cells to accomplish efficient gene delivery. These techniques with their modifications potentiate various gene and genome modification applications, which are discussed briefly here, and the reader is referred to the original publications for further details...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29134601/transposable-bacteriophages-as-genetic-tools
#16
Ariane Toussaint
Phage Mu is the paradigm of a growing family of bacteriophages that infect a wide range of bacterial species and replicate their genome by replicative transposition. This molecular process, which is used by other mobile genetic elements to move within genomes, involves the profound rearrangement of the host genome [chromosome(s) and plasmid(s)] and can be exploited for the genetic analysis of the host bacteria and the in vivo cloning of host genes. In this chapter we review Mu-derived constructs that optimize the phage as a series of genetic tools that could inspire the development of similarly efficient tools from other transposable phages for a large spectrum of bacteria...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29133891/decreased-oxygen-saturation-levels-in-neonates-with-transposition-of-great-arteries-impact-on-appearance-of-cerebral-veins-in-susceptibility-weighted-imaging
#17
Rajeev Kumar Verma, Desislava Keller, Sebastian Grunt, Sandra Bigi, Christian Weisstanner, Roland Wiest, Jan Gralla, Damian Hutter, Bendicht Wagner
Purpose of this study was to investigate a potential correlation between the pattern of cerebral veins (CV) on susceptibility-weighted imaging (SWI) and blood oxygen saturation, as well as preoperative brain injury, in neonates with transposition of the great arteries (TGA). Eleven neonates with TGA underwent MRI preoperatively, including SWI, T1- and T2-weighted scans. Images were retrospectively evaluated and appearance of CV was graded from 0 (normal appearance) to 3 (severe prominent appearance). White matter injuries (WMI) and strokes were analysed...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29124855/reconstructive-options-for-large-back-free-flap-donor-sites
#18
Arshia Azizeddin, Peter F M Choong, Damien Grinsell
BACKGROUND: Reconstruction of posterior thoracic and trunk defects can prove challenging even to the most seasoned surgeons. Many commonly used techniques for closing back defects include primary closure and split skin grafts. Often times, however, other techniques are needed in order to give the patient the best aesthetic and functional outcome. In this study, we focus on and evaluate donor site closure techniques for defects in the back created by harvesting scapular and parascapular flaps...
November 9, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29124345/a-rare-anatomic-variation-of-the-superficial-palmar-branch-of-the-radial-artery-causing-pain
#19
Georg Singer, Robert Marterer, Holger Till, Barbara Schmidt
BACKGROUND: The superficial palmar branch of the radial artery (SPBRA) normally pierces through the thenar muscles and unites with the ulnar artery to form the superficial palmar arch. Rarely, a subcutaneous course of the SPBRA is described in which the artery lies superficial to the thenar muscles. CASE REPORT: We report about a 17-year-old female patient with pain at the thenar eminence due to a unique course of the SPBRA. Duplex sonography and magnetic resonance angiography revealed a subcutaneous course of the artery over the thenar muscles...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29122798/impact-of-prenatal-diagnosis-on-survival-of-newborns-with-four-congenital-heart-defects-a-prospective-population-based-cohort-study-in-france-the-epicard-study
#20
Babak Khoshnood, Nathalie Lelong, Lucile Houyel, Damien Bonnet, Morgane Ballon, Jean-Marie Jouannic, François Goffinet
OBJECTIVES: (1) Assess the population-level probability of prenatal diagnosis and termination of pregnancy for fetal anomaly for four major congenital heart defects; (2) Examine, using population-based data, the relation between timing of (prenatal vs postnatal) diagnosis and risk of infant (ie, < 1 year) mortality for four major congenital heart defects (CHDs). DESIGN: Population-based cohort (the EPIdémiologie des CARDiopathies congénitales) study. SETTING: Greater Paris area (Paris and its surrounding suburbs)...
November 8, 2017: BMJ Open
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