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https://www.readbyqxmd.com/read/28441687/c-arm-positioning-is-a-significant-source-of-radiation-in-spine-surgery
#1
Elizabeth W Reiser, Rupen Desai, Sarah A Byrd, Harrison Farber, Deborah Chi, Cary S Idler, Robert E Isaacs
STUDY DESIGN: Prospective chart review. OBJECTIVE: It is well-known that radiation exposure during minimally invasive spine procedures can be substantial. Less interest has focused on setup radiation exposure before incision, including preoperative images used for surgical approach. The present study seeks to better quantify the significance of setup radiation in the total radiation exposure of minimally invasive spine surgery. SUMMARY OF BACKGROUND DATA: Radiographic localization is necessary in minimally invasive spine procedures to visualize anatomy, but increased radiation exposure is associated with health risks...
May 1, 2017: Spine
https://www.readbyqxmd.com/read/28441681/complications-and-mortality-following-one-to-two-level-anterior-cervical-fusion-for-cervical-spondylosis-in-patients-above-80-years-of-age
#2
Varun Puvanesarajah, Amit Jain, Adam L Shimer, Anuj Singla, Francis Shen, Hamid Hassanzadeh
STUDY DESIGN: A retrospective database review. OBJECTIVE: The aim of this study was to determine the complication and mortality rates in patients 80 years of age and older who were treated with anterior cervical fusion surgery and to compare these rates against those of other elderly patients. SUMMARY OF BACKGROUND DATA: Cervical spondylosis is frequently observed in the elderly and is the most common cause of myelopathy in older adults. With increasing life expectancies, a greater proportion of patients are being treated with spine surgery at a later age...
May 1, 2017: Spine
https://www.readbyqxmd.com/read/28441644/management-of-guidewire-entrapment-with-laser-atherectomy
#3
Judit Karacsonyi, Jose R Martinez-Parachini, Barbara A Danek, Aris Karatasakis, Imre Ungi, Subhash Banerjee, Emmanouil S Brilakis
A 62-year-old man was referred for percutaneous coronary intervention of a severe circumflex lesion. The guidewire became entangled in the previously implanted left anterior descending artery stent. The left main was engaged with a second guide catheter, followed by balloon dilations, various microcatheters, and laser atherectomy. The wire eventually fractured without protruding into the aorta. The circumflex lesion was stented with two stents, followed by left main stenting that covered the fragment. Caution should be used when wiring through stents; wire fracture can be treated with stent implantation, as long as the wire fragment does not protrude into the aorta...
May 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28441532/pcp-and-sax-3-robo-pathways-cooperate-to-regulate-convergent-extension-based-nerve-cord-assembly-in-c-%C3%A2-elegans
#4
Pavak K Shah, Matthew R Tanner, Ismar Kovacevic, Aysha Rankin, Teagan E Marshall, Nathaniel Noblett, Nhan Nguyen Tran, Tony Roenspies, Jeffrey Hung, Zheqian Chen, Cristina Slatculescu, Theodore J Perkins, Zhirong Bao, Antonio Colavita
Formation and resolution of multicellular rosettes can drive convergent extension (CE) type cell rearrangements during tissue morphogenesis. Rosette dynamics are regulated by both planar cell polarity (PCP)-dependent and -independent pathways. Here we show that CE is involved in ventral nerve cord (VNC) assembly in Caenorhabditis elegans. We show that a VANG-1/Van Gogh and PRKL-1/Prickle containing PCP pathway and a Slit-independent SAX-3/Robo pathway cooperate to regulate, via rosette intermediaries, the intercalation of post-mitotic neuronal cell bodies during VNC formation...
April 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28441418/relationship-between-acromial-morphological-variation-and-subacromial-impingement-a-three-dimensional-analysis
#5
Xinyu Li, Wei Xu, Ning Hu, Xi Liang, Wei Huang, Dianming Jiang, Hong Chen
PURPOSE: To evaluate the association of acromial morphology and subacromial impingement. METHODS: Bilateral shoulder computed tomography was performed in 138 patients who received shoulder arthroscopy. Measured parameters included: acromial tilt (AT), modified acromial tilt (mAT), acromial slope (AS), acromiohumeral interval (AHI), lateral acromial angle (LAA), acromial index (AI), critical shoulder angle (CSA), acromial anterior protrusion (AAP), and acromial inferior protrusion (AIP)...
2017: PloS One
https://www.readbyqxmd.com/read/28441408/short-term-internet-search-using-makes-people-rely-on-search-engines-when-facing-unknown-issues
#6
Yifan Wang, Lingdan Wu, Liang Luo, Yifen Zhang, Guangheng Dong
The Internet search engines, which have powerful search/sort functions and ease of use features, have become an indispensable tool for many individuals. The current study is to test whether the short-term Internet search training can make people more dependent on it. Thirty-one subjects out of forty subjects completed the search training study which included a pre-test, a six-day's training of Internet search, and a post-test. During the pre- and post- tests, subjects were asked to search online the answers to 40 unusual questions, remember the answers and recall them in the scanner...
2017: PloS One
https://www.readbyqxmd.com/read/28441309/trends-complications-and-costs-for-hospital-admission-and-surgery-for-lumbar-spinal-stenosis
#7
Gustavo C Machado, Chris G Maher, Paulo H Ferreira, Ian A Harris, Richard A Deyo, Damien McKay, Qiang Li, Manuela L Ferreira
STUDY DESIGN: Population based health record linkage study. OBJECTIVE: To determine trends in hospital admissions and surgery for lumbar spinal stenosis, as well as complications and resource use in Australia. SUMMARY OF BACKGROUND DATA: In the United States, rates of decompression surgery have declined, whereas those of fusion have increased. It is unclear whether this trend is also happening elsewhere. METHODS: We included patients 18 years and older admitted to a hospital in New South Wales between 2003-2013, who were diagnosed with lumbar spinal stenosis...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28441280/the-clinical-utility-of-flexion-extension-cervical-spine-mri-in-22q11-2-deletion-syndrome
#8
Samuel E Kolman, Stephanie Y Ohara, Aashim Bhatia, Tamara Feygin, Dino Colo, Keith D Baldwin, Donna Mcdonald-Mcginn, David A Spiegel
BACKGROUND: Our goal is to correlate the findings on flexion and extension radiographs with dynamic magnetic resonance imaging (MRI), and the clinical history, in a nonrandomly selected cohort of patients with 22q11.2 deletion syndrome (22q). METHODS: All patients with the 22q who had a dynamic MRI from January 2004 to March 2015 were included. We analyzed multiple radiographic measurements on both the dynamic plain films and the MRIs, and correlated these findings with a review of each patient's medical record...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28441067/anterior-segment-optical-coherence-tomography-angiography-for-identification-of-iris-vasculature-and-staging-of-iris-neovascularization-a-pilot-study
#9
Philipp K Roberts, Debra A Goldstein, Amani A Fawzi
Purpose/Aim of the study: To assess the ability of optical coherence tomographic angiography (OCTA) to visualize the normal iris vasculature as well as neovascularization of the iris (NVI). MATERIALS AND METHODS: Study participants with healthy eyes, patients at risk of NVI development and patients with active or regressed NVI were consecutively included in this cross-sectional observational study. Imaging was performed using a commercially available OCTA system (RTVue- XR Avanti, Optovue Inc...
April 25, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28441059/effectiveness-of-neuromuscular-training-based-on-the-neuromuscular-risk-profile
#10
Timothy E Hewett, Kevin R Ford, Yingying Y Xu, Jane Khoury, Gregory D Myer
BACKGROUND: The effects of targeted neuromuscular training (TNMT) on movement biomechanics associated with the risk of anterior cruciate ligament (ACL) injuries are currently unknown. Purpose/Hypotheses: To determine the effectiveness of TNMT specifically designed to increase trunk control and hip strength. The hypotheses were that (1) TNMT would decrease biomechanical and neuromuscular factors related to an increased ACL injury risk and (2) TNMT would decrease these biomechanical and neuromuscular factors to a greater extent in athletes identified as being at a high risk for future ACL injuries...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28440857/the-anterior-complex-a-visual-mnemonic-to-aid-in-identification-of-normal-structures
#11
Angela C Ranzini
The anterior complex of the fetal brain is a group of structures that are important to evaluate during the routine anatomic survey to exclude several serious brain malformations. These structures include the cavum septum pellucidum, anterior horns, interhemispheric fissure, callosal sulcus, and corpus callosum. The relationship between these structures is easily remembered with the presented visual cartoon. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017.
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28440727/foam-sclerotherapy-of-the-great-saphenous-vein-in-association-with-pre-terminal-saphenous-junction-ligation-division-as-an-office-based-procedure-12-month-results
#12
Moro Leo, Ricci Stefano, Antonelli Incalzi Raffaele
Objective Ultrasound-guided foam sclerotherapy (UGFS) - one of the most frequently recommended methods for treating great saphenous vein incompetence - is easy and inexpensive. However, it achieves a lower occlusion rate compared to endovenous thermal ablation. The application of UGFS to pre-terminal great saphenous vein interruption, eliminating the saphenous stem wash out effect, enhances the short-term occlusion rate. This study explores the results of this technique at 12 months. Method Thirty great saphenous veins (28 patients) with junction incompetence, with calibres >6 mm and >30 cm reflux stem length were submitted to echo-guided pre-terminal great saphenous vein interruption and foam great saphenous vein occlusion...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28440704/effect-of-femoral-head-size-and-surgical-approach-on-risk-of-revision-for-dislocation-after-total-hip-arthroplasty
#13
Wierd P Zijlstra, Bas De Hartog, Liza N Van Steenbergen, B Willem Scheurs, Rob G H H Nelissen
Background and purpose - Recurrent dislocation is the commonest cause of early revision of a total hip arthropasty (THA). We examined the effect of femoral head size and surgical approach on revision rate for dislocation, and for other reasons, after total hip arthroplasty (THA). Patients and methods - We analyzed data on 166,231 primary THAs and 3,754 subsequent revision THAs performed between 2007 and 2015, registered in the Dutch Arthroplasty Register (LROI). Revision rate for dislocation, and for all other causes, were calculated by competing-risk analysis at 6-year follow-up...
April 25, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28440561/anterior-st-elevation-myocardial-infarction-induced-by-rituximab-infusion-a-case-report-and-review-of-the-literature
#14
K Sharif, A Watad, N L Bragazzi, E Asher, A Abu Much, Y Horowitz, M Lidar, Y Shoenfeld, H Amital
WHAT IS KNOWN AND OBJECTIVES: Rituximab is a chimeric monoclonal anti-CD20 antibody approved for the treatment of some lymphoid malignancies as well as for autoimmune diseases including rheumatoid arthritis (RA), idiopathic thrombocytopenic purpura (ITP) and vasculitis. Generally, rituximab is well tolerated; nevertheless, some patients develop adverse effects including infusion reactions. Albeit rare, these reactions may in some cases be life-threatening conditions. Rituximab cardiovascular side effects include more common effects such as hypertension, oedema and rare cases of arrhythmias and myocardial infarction...
June 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28440526/-application-of-three-stitch-preventive-transverse-colostomy-in-anterior-resection-of-low-rectal-cancer
#15
Yuzhou Zhao, Guangsen Han, Mingke Huo, Li Wei, Qiyun Zou, Yuji Zhang, Jian Li, Yanhui Gu, Yanghui Cao, Shijia Zhang
OBJECTIVE: To explore the application of three-stitch preventive transverse colostomy in anterior resection of low rectal cancer. METHOD: From May 2015 to March 2016, 70 consecutive low rectal cancer patients undergoing anterior resection and preventive transverse colostomy in our department were recruited in this prospective study. According to the random number table method, 70 patients were divided into three-stitch transverse colostomy group(observation group, n=35) and traditional transverse colostomy group(control group, n=35)...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28440414/thymosin-%C3%AE-4-promotes-the-survival-and-angiogenesis-of-transplanted-endothelial-progenitor-cells-in-the-infarcted-myocardium
#16
Zhe Quan, Qiang-Li Wang, Pei Zhou, Guo-Dong Wang, Yu-Zhen Tan, Hai-Jie Wang
The survival of transplanted stem cells in ischemic tissue is poor. In the present study, the effects of thymosin β4 (Tβ4) on the survival and angiogenesis of endothelial progenitor cells (EPCs) and improvement in cardiac functions after transplantation of Tβ4-treated EPCs in the infarcted myocardium were investigated. EPCs were isolated from bone marrow of adult male rats and incubated in Endothelial Basal Medium-2. Then the cells were treated with Tβ4 at different concentrations (0.05, 0.1 and 0.2 µM), and cells incubated with DMEM were set as controls...
April 11, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28440260/immortal-ozurdex-a-10-month-follow-up-of-an-intralenticular-implant
#17
B Poornachandra, Vinod B M Kumar, Chaitra Jayadev, Subashchandra H Dorelli, Naresh Kumar Yadav, Rohit Shetty
A 78-year-old male who had received a dexamethasone implant (Ozurdex, Allergan, Inc., Irvine, CA, USA) 15 days back for recalcitrant diabetic macular edema in the left eye came to us for a second opinion. On examination, his corrected distance visual acuity was 20/20 in the right eye and 20/40 in the left eye. Early cataractous changes were present in both eyes. The intraocular pressure was within normal limits. The Ozurdex implant was seen lodged in the posterior cortex of the crystalline lens in the left eye, confirmed on anterior segment optical coherence tomography (OCT) and ultrasound biomicroscopy...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440257/managing-multiple-caterpillar-hair-in-the-eye
#18
Manisha Agarwal, Manisha C Acharya, Shahana Majumdar, Lagan Paul
Ophthalmia nodosa with vitreoretinal involvement is rare and may cause permanent loss of eye due to persistent inflammation of the eye. A young female patient having multiple caterpillar hair in the eye including cornea, anterior chamber, sclera, and pars plana presented with recurrent vitritis and pars planitis. Ultrasound biomicroscopy played a vital role and helped in localizing the hair embedded in the pars plana region which were managed by pars plana vitrectomy leading to complete recovery.
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440250/outcomes-of-deep-anterior-lamellar-keratoplasty-following-autologous-simple-limbal-epithelial-transplant-in-pediatric-unilateral-severe-chemical-injury
#19
Divya Singh, M Vanathi, Chanchal Gupta, Noopur Gupta, Radhika Tandon
AIMS: To evaluate outcomes of deep anterior lamellar keratoplasty (DALK) in pediatric eyes with unilateral severe chemical injury which have undergone autologous simple limbal epithelial transplant (SLET). SETTINGS AND DESIGN: The study design was a retrospective case series. MATERIALS AND METHODS: This retrospective, case series of all children <16 years of age that have undergone DALK following autologous SLET procedure in unilateral severe chemical injury evaluates the outcomes and complications in the setting of a tertiary care center in North India...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440024/immediate-and-delayed-loading-of-two-piece-reduced-diameter-implants-with-locator-analog-attachments-in-edentulous-mandibles-one-year-results-from-a-randomized-clinical-trial-examining-clinical-outcome-and-patient-expectation
#20
Nikolaos Nikitas Giannakopoulos, Kirsten Ariaans, Lydia Eberhard, Anna-Luisa Klotz, Keunyoung Oh, Stefanie Kappel
BACKGROUND: Prosthetic management of thin alveolar ridges in the edentulous mandibles of elderly patients, especially the time of loading, the number of implants needed, and patient expectations and perception, is a challenge in implant dentistry. PURPOSE: Survival of conventionally and immediately loaded 2-piece reduced-diameter implants in the interforaminal region of the edentulous mandible supporting locator-analog attachments was evaluated. Prosthetic complications and peri-implant hygiene were also studied, and patient expectation and subjective evaluation of the treatment were documented...
April 24, 2017: Clinical Implant Dentistry and related Research
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