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https://www.readbyqxmd.com/read/28099294/examination-of-pediatric-radiation-dose-delivered-after-cervical-spine-trauma
#1
Laura K Somppi, Kristin A Frenn, Anupam B Kharbanda
OBJECTIVES: Pediatric cervical spine injuries (CSIs) are rare but potentially fatal injuries. Plain radiographs (x-rays) and computed tomography (CT) are used to diagnose CSIs. Given concerns related to radiation exposure, the utility of x-rays in diagnosing CSIs compared with other forms of imaging must be examined. METHODS: Patients younger than 19 years presenting with possible CSI to an urban tertiary care hospital who received imaging for possible CSI between January 1, 2011, and December 31, 2013, were included...
January 17, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28091898/the-outcomes-of-radiotherapy-and-factors-that-predict-overall-survival-in-elderly-patients-with-esophageal-squamous-cell-carcinoma
#2
H Yin, M E, H Zhang, C Wang
PURPOSE: The aim of this study was to evaluate radiotherapy in terms of both feasibility and efficacy for the treatment of 206 elderly patients (≥70 years) with unresectable ESCC and to investigate the factors that predict overall survival in those patients. METHODS: Totally, 206 elderly patients with esophageal cancer (≥70 years) treated with RT for ESCC in the Harbin Medical University Affiliated Tumor Hospital were retrospectively enrolled. Radiation treatment results and side effects were evaluated...
January 13, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28091721/influence-of-tooth-dimension-on-the-initial-mobility-based-on-plaster-casts-and-x-ray-images-a-numerical-study
#3
Martin Hartmann, Cornelius Dirk, Susanne Reimann, Ludger Keilig, Anna Konermann, Andreas Jäger, Christoph Bourauel
AIMS: The goal was to determine the influence of different geometric parameters of the tooth on the initial tooth mobility and the position of the center of resistance employing numerical models based on scaled X-ray images and plaster casts. METHODS: The dimensions of tooth 21 were measured in 21 patients, using radiographs and dental casts. Length and mesiodistal width of the tooth were obtained from the X-ray image and the orovestibular diameter from the plaster cast...
January 13, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28090500/a-comparison-of-postoperative-pain-after-conventional-open-thyroidectomy-and-single-incision-gasless-endoscopic-transaxillary-thyroidectomy-a-single-institute-prospective-study
#4
Jung Bong Kang, Eun Young Kim, Yong Lai Park, Chan Heun Park, Ji-Sup Yun
PURPOSE: The aim of this study was to compare postoperative pain between single-incision, gasless, endoscopic transaxillary thyroidectomy (SET), and conventional open thyroidectomy. METHODS: From March to December 2015, patients with thyroid disease underwent total thyroidectomy or lobectomy. Patient's clinical and pathological characteristics, postoperative pain score using visual analog scale (VAS) were compared between the 2 groups. The primary endpoint was postoperative pain evaluated by VAS score and postoperative analgesic use...
January 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28089881/two-step-chromatographic-purification-of-glutathione-s-transferase-tagged-human-papillomavirus-type-16-e6-protein-and-its-application-for-serology
#5
Mei Ling Xu, Seung Cheol Kim, Hyoung Jin Kim, Woong Ju, Yun Hwan Kim, Hong-Jin Kim
Human papillomavirus (HPV) E6 protein is an oncoprotein with a pivotal role in cervical carcinogenesis. Expression and purification of HPV E6 from Escherichia coli (E. coli) has been difficult because of its strong hydrophobicity even when expressed as a fusion protein with glutathione S-transferase (GST). There has been no protocol suggested for purifying GST-tagged HPV E6 protein with high purity so far. Herein, we provide efficient protocol for purifying GST-HPV16 E6 protein for the first time. In the current study, the GST-tagged protein was expressed in E...
January 9, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28079869/racial-and-social-predictors-of-longitudinal-cervical-measures-the-cervical-ultrasound-study
#6
E W Harville, K S Miller, L R Knoepp
OBJECTIVE: To evaluate whether the racial and socioeconomic disparities are present in adverse cervical parameters, and, if so, when such disparities develop. STUDY DESIGN: A prospective cohort study was conducted. 175 women with a prior preterm birth had up to four endovaginal ultrasounds between gestational weeks 16 and 24 (Cervical Ultrasound Trial of the MFMU). Each sociodemographic factor (race/ethnicity, marital status, insurance funding and education) was examined as a predictor of short cervix or U/funnel shape, using multiple logistic and linear regression...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28068849/maternal-serum-calponin-1-level-as-a-biomarker-for-the-short-term-prediction-of-preterm-birth-in-women-with-threatened-preterm-labor
#7
Orkun Cetin, Erbil Karaman, Baris Boza, Numan Cim, Hanım Guler Sahin
PURPOSE: To assess the utility of maternal serum calponin 1 level in the prediction of delivery within 7 days among pregnancies complicated with threatened preterm labor. MATERIALS AND METHODS: Eligible women who presented at 24-34 weeks of gestation with threatened preterm labor underwent sampling for serum calponin 1 level and cervical length measurement. They were followed-up until delivery prospectively and the perinatal outcomes of the patients were recorded...
January 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28068594/prevention-of-spontaneous-preterm-birth-guidelines-for-clinical-practice-from-the-french-college-of-gynaecologists-and-obstetricians-cngof
#8
REVIEW
Loïc Sentilhes, Marie-Victoire Sénat, Pierre-Yves Ancel, Elie Azria, Guillaume Benoist, Julie Blanc, Gilles Brabant, Florence Bretelle, Stéphanie Brun, Muriel Doret, Chantal Ducroux-Schouwey, Anne Evrard, Gilles Kayem, Emeline Maisonneuve, Louis Marcellin, Stéphane Marret, Nicolas Mottet, Sabine Paysant, Didier Riethmuller, Patrick Rozenberg, Thomas Schmitz, Héloïse Torchin, Bruno Langer
In France, 60,000 neonates are born preterm every year (7.4%), half of them after the spontaneous onset of labor. Among preventable risk factors of spontaneous prematurity, only cessation of smoking is associated with decreased prematurity (level of evidence [LE]1). It is therefore recommended (Grade A). Routine screening and treatment of vaginal bacteriosis is not recommended in the general population (Grade A). The only population for which vaginal progesterone is recommended is that comprising asymptomatic women with singleton pregnancies, no history of preterm delivery, and a short cervix at 16-24 weeks of gestation (Grade B)...
December 30, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28067007/vaginal-progesterone-decreases-preterm-birth-and-neonatal-morbidity-and-mortality-in-women-with-a-twin-gestation-and-a-short-cervix-an-updated-meta-analysis-of-individual-patient-data
#9
REVIEW
Roberto Romero, Agustin Conde-Agudelo, Waleed El-Refaie, Line Rode, Maria L Brizot, Elcin Cetingoz, Vicente Serra, Eduardo da Fonseca, Mohamed S Abdelhafez, Ann Tabor, Alfredo Perales, Sonia S Hassan, Kypros H Nicolaides
OBJECTIVE: To assess the efficacy of vaginal progesterone for the prevention of preterm birth and neonatal morbidity and mortality in asymptomatic women with a twin gestation and a sonographic short cervix (cervical length ≤25 mm) in the midtrimester. METHODS: Updated systematic review and meta-analysis of individual patient data from randomized controlled trials comparing vaginal progesterone with placebo/no treatment in women with a twin gestation and a midtrimester sonographic cervical length ≤25 mm...
January 9, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28063908/laser-angiography-with-indocyanine-green-icg-to-assess-vaginal-cuff-perfusion-during-total-laparoscopic-hysterectomy-tlh-a-pilot-study
#10
Benjamin D Beran, Marie Shockley, Katrin Arnolds, Pedro Escobar, Stephen Zimberg, Michael L Sprague
STUDY OBJECTIVE: To determine feasibility of using laser angiography with ICG to assess vaginal cuff vascular perfusion during TLH. DESIGN: Pilot feasibility trial DESIGN CLASSIFICATION: Canadian Task Force Class II-2 SETTING: Academic-affiliated hospital PATIENTS: Twenty women undergoing TLH for benign disease. INTERVENTIONS: Participants underwent 1:1 randomization of energy method used for colpotomy (ultrasonic versus monopolar) and vaginal cuff closure suture (barbed versus non-barbed)...
January 4, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28063549/insuffisance-cervicale-et-cerclage-cervical
#11
Richard Brown, Robert Gagnon, Marie-France Delisle
OBJECTIF: La présente directive clinique a pour but de fournir un cadre de référence que les cliniciens pourront utiliser pour identifier les femmes qui sont exposées aux plus grands risques de connaître une insuffisance cervicale, ainsi que pour déterminer les circonstances en présence desquelles la mise en place d'un cerclage pourrait s'avérer souhaitable. RéSULTATS: La littérature publiée a été récupérée par l'intermédiaire de recherches menées dans PubMed ou MEDLINE, CINAHL et The Cochrane Library en 2012 au moyen d'un vocabulaire contrôlé (p...
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28059705/emergent-endovascular-management-of-long-segment-and-flow-limiting-carotid-artery-dissections-in-acute-ischemic-stroke-intervention-with-multiple-tandem-stents
#12
S A Ansari, A L Kühn, A R Honarmand, M Khan, M C Hurley, M B Potts, B S Jahromi, A Shaibani, M J Gounis, A K Wakhloo, A S Puri
BACKGROUND AND PURPOSE: Although most cervical dissections are managed medically, emergent endovascular treatment may become necessary in the presence of intracranial large-vessel occlusions, flow-limiting and long-segment dissections with impending occlusion, and/or hypoperfusion-related ischemia at risk of infarction. We investigated the role of emergent endovascular stenting of long-segment carotid dissections in the acute ischemic stroke setting. MATERIALS AND METHODS: We retrospectively studied long-segment carotid dissections requiring stent reconstruction with multiple tandem stents (≥3 stents) and presenting with acute (<12 hours) ischemic stroke symptoms (NIHSS score, ≥4)...
November 10, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28055026/anterior-uterocervical-angle-measurement-improves-prediction-of-cerclage-failure
#13
J C Knight, E Tenbrink, J Sheng, A S Patil
OBJECTIVE: To compare the anterior uterocervical angle and cervical length as predictors of spontaneous preterm delivery in patients with transvaginal cerclage. STUDY DESIGN: We retrospectively evaluated a cohort of 142 pregnant women with transvaginal cerclage placed over a 5-year period (2010 to 2015) were evaluated. Cervical morphology characteristics were measured from endovaginal imaging, including cervical length, cerclage height, funnel volume and anterior uterocervical angle prior to cerclage placement (UCA 1), shortly after cerclage placement (UCA 2) and the last image prior to delivery (UCA 3)...
January 5, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28048822/su-f-j-163-in-vivo-quantification-of-sequence-parameter-effect-on-geometric-distortion-caused-by-implanted-titanium-brachytherapy-applicator
#14
T Sullivan, A Diak, M Surucu, J Yacoub, M Harkenrider, S Shea
PURPOSE: The use of MR to plan and evaluate brachytherapy treatment for cervical cancer is increasing given the availability of MR conditional or safe applicators and MRI's proven superiority to CT for characterizing soft tissue lesions. The titanium applicators, however, cause geometric distortions or imaging artifacts, which reduce the utility of MRI for dosimetry. We sought to quantify the observed volume of the same applicator on a previously optimized T2 sequence in comparison to the conventional T2 sequence and CT obtained for brachytherapy planning...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048491/su-f-sps-03-direct-measurement-of-organ-doses-resulting-from-head-and-cervical-spine-trauma-ct-protocols
#15
C Carranza, I Lipnharski, N Quails, N Correa, L Rill, M Arreola
PURPOSE: This retrospective study analyzes the exposure history of emergency department (ED) patients undergoing head and cervical spine trauma computed tomography (CT) studies. This study investigated dose levels received by trauma patients and addressed any potential concerns regarding radiation dose issues. METHODS: Under proper IRB approval, a cohort of 300 trauma cases of head and cervical spine trauma CT scans received in the ED was studied. The radiological image viewing software of the hospital was used to view patient images and image data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048300/th-cd-206-10-clinical-application-of-the-mind-demons-algorithm-for-symmetric-diffeomorphic-deformable-mr-to-ct-image-registration-in-spinal-interventions
#16
S Reaungamornrat, T De Silva, A Uneri, J Wolinsky, A Khanna, G Kleinszig, S Vogt, J Prince, J Siewerdsen
PURPOSE: Accurate intraoperative localization of target anatomy (e.g., tumors and vertebral levels) and critical structures (e.g., nerves and vessels) is essential to safe, effective surgery. Preoperative CT/MR images can be used to identify such vital anatomy in intraoperative images through multimodality deformable registration. We proposed a deformable registration method to align preoperative MR to intraoperative CT using modality-independent neighborhood descriptors (MIND) and a Huber metric for robust registration...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046744/su-f-t-38-how-much-dose-is-given-in-mr-guided-cervical-cancer-brachytherapy-with-the-ring-and-tandem-applicators
#17
H Zhang
PURPOSE: To evaluate the dosimetric metrics of HDR Ring and Tandem applicator Brachytherapy for primary cervical cancers. METHODS: The dosimetric metrics of high-risk clinical target volumes (HDR-CTV) of 12 patients (in total 60 fractions/plans) treated with the HDR ring and tandem applicators were retrospectively analyzed. Ring diameter is from 2.6 to 3.4 cm, tandem length is from 4 to 6 cm, and the angle is either 45 or 60 degrees. The first fraction plan was MR guided, the MR images were then used as a reference for contouring the HR-CTV in CT images of following 4 fractions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041886/maxillary-advancement-versus-mandibular-setback-in-class-iii-dentofacial-deformity-are-there-any-differences-in-aesthetic-outcomes
#18
M Ghassemi, R-D Hilgers, U Fritz, A Modabber, A Ghassemi
A retrospective evaluation of maxillary advancement and mandibular setback in class III patients was performed and their aesthetic outcomes compared. Patients with a sella-nasion-A-point angle (SNA) of 80-84° were selected. Pre- and postoperative lateral cephalograms were obtained for 34 class III patients; these were divided into two groups according to the surgical procedure performed: mandibular setback group (n=17) and maxillary advancement group (n=17). The pre- and postoperative cervical length, lip-chin-throat angle, lower/upper lip thickness, distance from the lower/upper lip to the aesthetic line, soft tissue angle, facial contour angle, and nasolabial angle of the two groups were compared...
December 29, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28032706/correlations-of-japanese-orthopaedic-association-scoring-systems-with-gait-parameters-in-patients-with-degenerative-spinal-diseases
#19
Chen-Fan Zheng, Yan-Cheng Liu, Yong-Cheng Hu, Qun Xia, Jun Miao, Ji-Dong Zhang, Kuan Zhang
OBJECTIVE: Japanese Orthopaedic Association (JOA) scoring systems were developed to evaluate the neurological function of patients with cervical or lumbar degeneration. As patient-based and multi-dimensional clinical evaluation tools, these systems should be capable of reflecting the walking disability of patients. The association between JOA scores and gait parameters, however, are not well characterized. The purpose of this study was to determine the correlations between JOA scores and gait parameters of patients with cervical spondylotic myelopathy (CSM) and lumbar intervertebral disc herniation (LDH)...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28029462/-prediction-of-preterm-delivery-in-symptomatic-women-preterm-labor
#20
G Benoist
OBJECTIVES: To evaluate the predictors of spontaneous preterm birth in case of preterm labor. MATERIALS AND METHODS: Literature search in Medline and Cochrane databases and recommendations of international societies. Selection of studies in symptomatic women (with preterm labor). RESULTS: Preterm labor is defined as a clinical situation occurring between 22 and 36 weeks + 6 days, in which cervical changes are observed associated with uterine contractions, evolving spontaneously or not to preterm delivery (Professional consensus)...
October 28, 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
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