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Cervical volume

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https://www.readbyqxmd.com/read/28648714/evaluation-of-a-minimum-norm-based-beamforming-technique-sloreta-for-reducing-tonic-muscle-contamination-of-eeg-at-sensor-level
#1
Azin S Janani, Tyler S Grummett, Trent W Lewis, Sean P Fitzgibbon, Emma M Whitham, Dylan DelosAngeles, Hanieh Bakhshayesh, John O Willoughby, Kenneth J Pope
BACKGROUND: Cranial and cervical muscle activity (electromyogram, EMG) contaminates the surface electroencephalogram (EEG) from frequencies below 20 through to frequencies above 100Hz. It is not possible to have a reliable measure of cognitive tasks expressed in EEG at gamma-band frequencies until the muscle contamination is removed. NEW METHOD: In the present work, we introduce a new approach of using a minimum-norm based beamforming technique (sLORETA) to reduce tonic muscle contamination at sensor level...
June 22, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28648218/innovative-information-technology-powered-population-health-care-management-improves-outcomes-and-reduces-hospital-readmissions-and-emergency-department-visits
#2
Sharon Anderson, Michele Campbell, Donna Mahoney, Ann Kathryn Muther, Janice Nevin, Patricia Resnik, Tabassum Salam, Terri Steinberg
BACKGROUND: Patients with chronic conditions are often the most frequent users of health care. Moreover, adapting to developments in one's illness, understanding how to self-manage a chronic illness, and sharing information between primary care and specialty providers, can be a full-time job for someone with a chronic illness. In response to these challenges, Christiana Care Health System (Wilmington, Delaware) developed Care Link, an information technology (IT)-enhanced care management support to enable populations of patients to achieve better clinical outcomes at lower cost...
July 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28643755/prognostic-significance-of-tumor-volume-as-determined-on-3d-ultrasound-scan-in-uterine-cervix-cancer-treated-by-radiotherapy
#3
Shelly Srivastava, Surendra Kumar Saini, Awadhesh Kumar Dixit, Deepti Dwivedi
AIMS: The aim of this prospective study is to evaluate prognostic significance of tumor volume determined by three-dimensional (3D) ultrasound scan in uterine cervix cancer patients treated by radiotherapy. PATIENTS AND METHODS: A total of 67 patients of Stage IB2-IIIB were studied and analyzed. Cervical tumor volume was determined by 3D ultrasound scan. Two groups were made on the basis of volume on ultrasound scan (Group 1 <40 cc = 36 and Group 2 >40 cc = 31)...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643661/impact-of-anaesthesia-mode-on-evaluation-of-leep-specimen-dimensions
#4
A Mercuzot, J Chevreau, H Sevestre, C Muszynski, M Arbyn, F Sergent, J Gondry
OBJECTIVES: To study the influence of anaesthesia (local by cervical block vs. general or spinal anaesthesia) on height and volume of resection specimens in case of conization treatment for cervical intraepithelial neoplasia (CIN). METHODS: Prospective observational study of all patients who underwent a first treatment by loop electrosurgical excision procedure (LEEP) for CIN. Height of fresh resection specimens was first measured by the operator and then by the pathologist after formaldehyde fixation...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28642025/total-laparoscopic-resection-surgery-for-a-cervical-carcinoma-that%C3%A2-recurred-in-the-pelvic-sidewall-after-radical-hysterectomy-and%C3%A2-adjuvant-concurrent-chemoradiotherapy
#5
Hiroyuki Kanao, Yoichi Aoki, Kazuyoshi Kato, Maki Matoda, Sanshiro Okamoto, Hidetaka Nomura, Kohei Omatsu, Kuniko Utsugi, Nobuhiro Takeshima
STUDY OBJECTIVE: To show total laparoscopic resection of a cervical carcinoma that recurred at the left pelvic sidewall after radical hysterectomy and concurrent chemoradiotherapy (CCRT). DESIGN: A step-by-step demonstration of the technique in a surgical video, including the strategy for achieving complete surgical resection with negative margins (R0 resection) (Canadian Task Force Classification III). SETTING: For high-risk cervical carcinoma, radical hysterectomy and adjuvant CCRT is the standard treatment, but even this multimodal therapy cannot prevent recurrence...
June 19, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28629570/the-association-between-multiple-sclerosis-and-spondylosis-when-and-why
#6
Vasileios G Xydis, Anastasia K Zikou, Vassiliki Kostadima, Loukas G Astrakas, Paraskevi Kosta, Maria I Argyropoulou
OBJECTIVES: To evaluate risk factors for the development of cervical spine spondylosis (CSS) in patients with multiple sclerosis (MS) and to propose a pathogenetic mechanism. METHODS: Forty-two consecutive patients aged 23-66 years with MS and 42 age and sex matched controls were evaluated retrospectively; Clinical disability was evaluated with the expanded disability status scale (EDSS) and spasticity with the Asworth score. Total brain lesion volume (BLV), total grey matter (GM) volume and deep GM volume were assessed...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28627153/-implementation-of-dna-hpv-primary-screening-in-italian-cervical-cancer-screening-programmes-results-of-the-middir-project
#7
Francesca Di Stefano, Paolo Giorgi Rossi, Francesca Carozzi, Guglielmo Ronco, Laura Cacciani, Simona Vecchi, Carlo Naldoni, Nereo Segnan
OBJECTIVES: to obtain data on conversion paths to HPV testing as part of screening programmes and to harmonize the introduction of HPV testing in primary cervical cancer screening protocols of Italian programmes. DESIGN: survey by questionnaire on strategies adopted by screening programmes for transition to primary HPV testing; systematic review of the literature; discussion among experts. SETTING AND PARTICIPANT S: managers of Italian Regions' cervical cancer screening programmes...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28625962/application-research-on-nerve-sparing-radical-hysterectomy-for-rectal-function
#8
Yuehui Su, Mengzhen Zhang, Weiwei Zhang, Huirong Shi
This paper aims to discuss the clinical significance of laparotomy nerve sparing radical hysterectomy (NSRH) on rectal function of early cervical cancer patients, compared with conventional radical hysterectomy. 30 cases of early cervical carcinoma patients who had received surgery in the First Affiliated Hospital of Zhengzhou University from June 2010 to June 2014 were selected as subjects. Patients were divided into two groups, with 15 in each gorup, in which Group A had received NSRH, B received CRH, and all them were in stage IB-IIA1...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28622377/hemostatic-function-to-regulate-perioperative-bleeding-in-patients-undergoing-spinal-surgery-a-prospective-observational-study
#9
Atsushi Kimura, Tsukasa Ohmori, Asuka Sakata, Teruaki Endo, Hirokazu Inoue, Satoshi Nishimura, Katsushi Takeshita
Although bleeding is a common complication of surgery, routine laboratory tests have been demonstrated to have a low ability to predict perioperative bleeding. Better understanding of hemostatic function during surgery would lead to identification of high-risk patients for bleeding. Here, we aimed to elucidate hemostatic mechanisms to determine perioperative bleeding. We prospectively enrolled 104 patients undergoing cervical spinal surgery without bleeding diathesis. Blood sampling was performed just before the operation...
2017: PloS One
https://www.readbyqxmd.com/read/28620930/prospective-multimodal-imaging-assessment-of-locally-advanced-cervical-cancer-patients-administered-by-chemoradiation-followed-by-radical-surgery-the-price-prospective-imaging-of-cervical-cancer-and-neoadjuvant-treatment-study-the-role-of-ultrasound
#10
A C Testa, G Ferrandina, F Moro, T Pasciuto, M C Moruzzi, I De Blasis, F Mascilini, E Foti, R Autorino, A Collarino, B Gui, G F Zannoni, M A Gambacorta, A L Valentini, V Rufini, G Scambia
OBJECTIVE: Chemoradiation-based neoadjuvant treatment followed by radical surgery is an alternative therapeutic strategy for locally advanced cervical cancer (LACC) -stage ≥ IB2 (except of IIA1)- but ultrasound variables used to predict neoadjuvant partial response are not well defined. The goal of this study was to prospectively analyze the potential role of transvaginal ultrasound (TVUS) in early predicting pathologically assessed residual disease in a large, single-institution series of LACC patients triaged to neoadjuvant treatment followed by radical surgery...
June 16, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28619385/rectum-and-bladder-spacing-in-cervical-cancer-brachytherapy-using-a-novel-injectable-hydrogel-compound
#11
Antonio L Damato, Megan Kassick, Akila N Viswanathan
PURPOSE: The aim of this study was to evaluate injection of a novel hydrogel (TraceIT; Augmenix, Waltham, MA) between the cervix, rectum, and bladder in female cadavers compared with, and in addition to, the current standard of gauze packing, for organ-at-risk sparing in cervical cancer brachytherapy planning. METHODS AND MATERIALS: This brachytherapy cadaver study used T2-weighted MRI and CT imaging to compare three scenarios: (1) gauze packing alone, (2) hydrogel injection placed in the cervical fornices and rectovaginal septum, and (3) gauze packing in conjunction with hydrogel injection...
June 12, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28610586/genotyping-of-high-risk-anal-human-papillomavirus-hpv-ion-torrent-next-generation-sequencing-vs-linear-array
#12
Rebecca G Nowak, Nicholas P Ambulos, Lisa M Schumaker, Trevor J Mathias, Ruth A White, Jennifer Troyer, David Wells, Manhattan E Charurat, Søren M Bentzen, Kevin J Cullen
BACKGROUND: Our next generation sequencing (NGS)-based human papillomavirus (HPV) genotyping assay showed a high degree of concordance with the Roche Linear Array (LA) with as little as 1.25 ng formalin-fixed paraffin-embedded-derived genomic DNA in head and neck and cervical cancer samples. This sensitive genotyping assay uses barcoded HPV PCR broad-spectrum general primers 5+/6+ (BSGP)5+/6+ applicable to population studies, but it's diagnostic performance has not been tested in cases with multiple concurrent HPV infections...
June 13, 2017: Virology Journal
https://www.readbyqxmd.com/read/28606605/cervical-and-thoracic-intervertebral-disc-hydration-increases-with-recumbency-a-study-in-101-healthy-volunteers
#13
Daniel L Belavy, Matthew Quittner, Yuan Ling, David Connell, Timo Rantalainen
BACKGROUND CONTEXT: Variation in water content and size of the lumbar intervertebral discs (IVDs) is known to occur due to recumbency and has been associated with lumbar IVD herniation risk through the impact of IVD hydration on tissue mechanical properties. It is not clear if similar changes in the cervical or thoracic IVDs occur with recumbency. PURPOSE: Determine whether increases in hydration of thoracic and cervical IVDs occur with short-duration recumbency...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28602708/reduced-toxicity-with-equivalent-outcomes-using-three-dimensional-volumetric-3dv-image-based-versus-nonvolumetric-point-based-nv-brachytherapy-in-a-cervical-cancer-population
#14
Kimberly M Thomas, Genevieve Maquilan, Strahinja Stojadinovic, Paul Medin, Michael R Folkert, Kevin Albuquerque
PURPOSE: Brachytherapy (BT) techniques have historically used a two-dimensional nonvolumetric (NV) system involving dose prescribed to a point fixed in space. We compared dosimetric, toxicity, and oncologic outcomes for volumetric planning (3DV) versus CT point-based planning. METHODS AND MATERIALS: Patients treated with external beam radiation therapy and high dose rate (HDR) intracavitary BT were included (n = 71). Patients planned with NV BT treated from 2009 to 2011 (n = 37) were compared to patients planned with 3DV BT treated from 2012 to 2014 (n = 34)...
June 8, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28600596/relevance-of-early-cervical-cord-volume-loss-in-the-disease-evolution-of-clinically-isolated-syndrome-and-early-multiple-sclerosis-a-2-year-follow-up-study
#15
Inga T Hagström, Ruth Schneider, Barbara Bellenberg, Anke Salmen, Florian Weiler, Odo Köster, Ralf Gold, Carsten Lukas
Upper cervical cord area (UCCA) atrophy is a prognostic marker for clinical progression in longstanding multiple sclerosis (MS). The objectives of the study were to quantify UCCA atrophy and evaluate its impact in clinically isolated syndrome (CIS) and relapsing-remitting MS (RRMS); to compare converting CIS patients with stable CIS, and to study changes of UCCA and brain white matter (WM) and grey matter (GM) at 2-year follow-up. 110 therapy-naive patients including 53 CIS [6 ± 6 months after symptom onset (SO)] and 57 early RRMS (SO: 12 ± 9 months) underwent sagittal 3D-T1w brain MR (3T)...
June 9, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28596551/automated-segmentation-of-human-cervical-supraclavicular-adipose-tissue-in-magnetic-resonance-images
#16
Elin Lundström, Robin Strand, Anders Forslund, Peter Bergsten, Daniel Weghuber, Håkan Ahlström, Joel Kullberg
Human brown adipose tissue (BAT), with a major site in the cervical-supraclavicular depot, is a promising anti-obesity target. This work presents an automated method for segmenting cervical-supraclavicular adipose tissue for enabling time-efficient and objective measurements in large cohort research studies of BAT. Fat fraction (FF) and R2(*) maps were reconstructed from water-fat magnetic resonance imaging (MRI) of 25 subjects. A multi-atlas approach, based on atlases from nine subjects, was chosen as automated segmentation strategy...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28595311/evaluation-of-rectum-and-bladder-dose-accumulation-from-external-beam-radiotherapy-and-brachytherapy-for-cervical-cancer-using-two-different-deformable-image-registration-techniques
#17
Noriyuki Kadoya, YuYa Miyasaka, Takaya Yamamoto, Yoshihiro Kuroda, Kengo Ito, Mizuki Chiba, Yujiro Nakajima, Noriyoshi Takahashi, Masaki Kubozono, Rei Umezawa, Suguru Dobashi, Ken Takeda, Keiichi Jingu
We evaluated dose-volume histogram (DVH) parameters based on deformable image registration (DIR) between brachytherapy (BT) and external beam radiotherapy (EBRT) that included a center-shielded (CS) plan. Eleven cervical cancer patients were treated with BT, and their pelvic and CS EBRT were studied. Planning CT images for EBRT and BT (except for the first BT, used as the reference image) were deformed with DIR to reference image. We used two DIR parameter settings: intensity-based and hybrid. Mean Dice similarity coefficients (DSCs) comparing EBRT with the reference for the uterus, rectum and bladder were 0...
June 8, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28589066/differences-in-parotid-dosimetry-and-expected-normal-tissue-complication-probabilities-in-whole-brain-radiation-plans-covering-c1-versus-c2
#18
Andrew Orton, John Gordon, Tyler Vigh, Allison Tonkin, George Cannon
OBJECTIVES: There is no consensus standard regarding the placement of the inferior field border in whole brain radiation therapy (WBRT) plans, with most providers choosing to cover the first versus (vs.) second cervical vertebrae (C1 vs. C2). We hypothesize that extending coverage to C2 may increase predicted rates of xerostomia. METHODS: Fifteen patients underwent computed tomography (CT) simulation; two WBRT plans were then produced, one covering C2 and the other covering C1...
May 3, 2017: Curēus
https://www.readbyqxmd.com/read/28587051/evaluating-intensity-modulated-proton-therapy-relative-to-passive-scattering-proton-therapy-for-increased-vertebral-column-sparing-in-craniospinal-irradiation-in-growing-pediatric-patients
#19
Drosoula Giantsoudi, Joao Seco, Bree R Eaton, F Joseph Simeone, Hanne Kooy, Torunn I Yock, Nancy J Tarbell, Thomas F DeLaney, Judith Adams, Harald Paganetti, Shannon M MacDonald
PURPOSE: At present, proton craniospinal irradiation (CSI) for growing children is delivered to the whole vertebral body (WVB) to avoid asymmetric growth. We aimed to demonstrate the feasibility and potential clinical benefit of delivering vertebral body sparing (VBS) versus WVB CSI with passively scattered (PS) and intensity modulated proton therapy (IMPT) in growing children treated for medulloblastoma. METHODS AND MATERIALS: Five plans were generated for medulloblastoma patients, who had been previously treated with CSI PS proton radiation therapy: (1) single posteroanterior (PA) PS field covering the WVB (PS-PA-WVB); (2) single PA PS field that included only the thecal sac in the target volume (PS-PA-VBS); (3) single PA IMPT field covering the WVB (IMPT-PA-WVB); (4) single PA IMPT field, target volume including thecal sac only (IMPT-PA-VBS); and (5) 2 posterior-oblique (-35°, +35°) IMPT fields, with the target volume including the thecal sac only (IMPT2F-VBS)...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28586106/sonographic-measurement-of-cervical-volume-in-pregnant-women-at-high-risk-of-preterm-birth-using-a-geometric-formula-for-a-frustum-versus-3-dimensional-automated-virtual-organ-computer-aided-analysis
#20
Ahmed I Ahmed, Sarah R Aldhaheri, Javier Rodriguez-Kovacs, Deepa Narasimhulu, Manesha Putra, Howard Minkoff, Shoshana Haberman
OBJECTIVES: To compare cervical volume measurements by 3-dimensional (3D) sonography using Virtual Organ computer-aided analysis (VOCAL; GE Healthcare, Milwaukee, WI) versus a manual method using a geometric formula for a frustum. METHODS: We included 142 asymptomatic pregnant women at 16 to 24 weeks gestation at high risk for preterm birth. With a Voluson 730 Expert system (GE Healthcare), they underwent 2-dimensional (2D) transvaginal sonographic cervical length measurements and 3D cervical volume acquisition...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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