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https://www.readbyqxmd.com/read/28346955/nonischemic-priapism-in-childhood-a-case-series-and-review-of-literature
#1
Hans-Walter Hacker, Marcus G Schwoebel, Philipp O Szavay
Introduction Nonischemic priapism (NIP) in childhood is a very rare affection. In the literature, patients with NIP are described mainly incidental after perineal trauma. Many of them underwent embolization of either internal pudendal artery or bulbocavernosal arteries. Patients and Methods We report on six boys between 4 and 13 years of age with NIP, treated at our institution between 2008 and 2014. Color Doppler ultrasound (CDU) was performed in all patients as emergency diagnostic evaluation. Patients were treated conservatively, including bed rest, local cooling, and perineal compression...
March 27, 2017: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28338811/interventions-for-the-prevention-and-treatment-of-disability-due-to-acquired-joint-contractures-in-older-people-a-systematic-review
#2
Susanne Saal, Katrin Beutner, Julia Bogunski, Kathrin Obermüller, Martin Müller, Eva Grill, Gabriele Meyer
Background: acquired joint contractures have significant effects on quality of life and functioning. Objective: to determine the effects of interventions to prevent and treat disabilities in older people with acquired joint contractures. Methods: systematic search (last 8/2016) via Cochrane Library, PubMed, EMBASE, PEDro, CINAHL, trial registries, reference lists of retrieved articles and scientific congress pamphlets. Controlled and randomised controlled trials in English or German comparing an intervention with another intervention or standard care were included...
February 25, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28303659/invasive-characterization-of-atherosclerotic-plaque-in-patients-with-peripheral-arterial-disease-using-near-infrared-spectroscopy-intravascular-ultrasound
#3
Amr E Abbas, Sibin K Zacharias, James A Goldstein, Ivan D Hanson, Robert D Safian
OBJECTIVES: We describe the characteristics of atherosclerotic plaque in patients with peripheral arterial disease (PAD) using near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) BACKGROUND: Imaging and autopsy studies have described atherosclerotic plaque in different vascular beds, including varying degrees of lipid, fibrosis, and calcification. Recently, NIRS has been validated as an accurate method for detecting lipid-core plaque (LCP) in the coronary circulation. Invasive evaluation of plaque composition using NIRS-IVUS has not been reported in different peripheral arterial circulations...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28301803/injectable-and-thermally-contractible-hydroxypropyl-methyl-cellulose-fe3o4-for-magnetic-hyperthermia-ablation-of-tumors
#4
Fengjuan Wang, Yang Yang, Yi Ling, Jianxin Liu, Xiaojun Cai, Xiaohan Zhou, Xiuzhen Tang, Bing Liang, Yini Chen, Hangrong Chen, Dengming Chen, Chunhong Li, Zhigang Wang, Bing Hu, Yuanyi Zheng
The development of efficient strategies for the magnetic hyperthermia ablation of tumors remains challenging. To overcome the significant safety limitations, we developed a thermally contractible, injectable and biodegradable material for the minimally invasive and highly efficient magnetic hyperthermia ablation of tumors. This material was composed of hydroxypropyl methyl cellulose (HPMC), polyvinyl alcohol (PVA) and Fe3O4. The thermal contractibility of HPMC/Fe3O4 was designed to avoid damaging the surrounding normal tissue upon heating, which was confirmed by visual inspection, ultrasound imaging and computed tomography (CT)...
March 8, 2017: Biomaterials
https://www.readbyqxmd.com/read/28290908/-coronary-angioplasty-and-stenting-in-patients-older-than-80-years-immediate-and-long-term-results
#5
A M Babunashvili, D P Dundua, D S Kartashov, A A Bazarnova, A Yu Korenevich, M E Vetluzhskikh
AIM: to assess immediate and long-term results of coronary angioplasty and stenting in patients older than 80 years - a high risk group in view of the severity of concomitant pathology and extent of coronary atherosclerosis. MATERIAL AND METHODS: We conducted retrospective analysis of data from 167 patients older than 80 years (mean age 81.43+/-2.14 years) subjected to percutaneous coronary intervention from 2006 to 2013 (3.2% from total number of patients). Multivessel involvement was present in 128 patients (76...
July 2016: Kardiologiia
https://www.readbyqxmd.com/read/28276672/current-adoption-of-lung-ultrasound-in-intensive-care-units-an-italian-multi-centre-survey
#6
Italo Calamai, Massimiliano Greco, Guido Bertolini, Rosario Spina
BACKGROUND: Lung ultrasound (LUS) is a useful tool for assessing lung status in critically ill patients, but is not widely applied in intensive care units (ICUs). The aim of this study was to investigate the use of LUS in Italian ICUs. METHODS: A questionnaire was distributed to 116 ICU representatives belonging to the Italian GiViTI network, participating in a national project on continuous quality of care assessment. The answers to the questionnaire were analysed with the data collected in the course of said project...
March 7, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28273552/surgeon-performed-continuous-intraoperative-ultrasound-guidance-decreases-re-excisions-and-mastectomy-rates-in-breast-cancer
#7
Guldeniz Karadeniz Cakmak, Ali U Emre, Oge Tascilar, Burak Bahadir, Selcuk Ozkan
BACKGROUND: Intraoperative ultrasound guided (IUG) breast conserving surgery (BCS) is being increasingly embraced by breast surgeons worldwide. We aimed to compare the efficacy of IUG-BCS for palpable and nonpalpable breast cancer with respect to margin status, re-excision rate, tissue sacrifice and cost-time analysis. METHODS: Intraoperative localization protocol includes intraoperative ultrasound prior to excision to localize the lesion and guide the initial resection...
March 2, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28255448/effects-of-different-early-rehabilitation-techniques-on-haemodynamic-and-metabolic-parameters-in-sedated-patients-protocol-for-a-randomised-single-bind-cross-over-trial
#8
Clément Medrinal, Yann Combret, Guillaume Prieur, Aurora Robledo Quesada, Tristan Bonnevie, Francis Edouard Gravier, Éric Frenoy, Olivier Contal, Bouchra Lamia
INTRODUCTION: Early rehabilitation has become widespread practice for patients in intensive care; however, the prevalence of intensive care unit-acquired weakness remains high and the majority of physiotherapy is carried out in bed. Several inbed rehabilitation methods exist, but we hypothesise that techniques that provoke muscle contractions are more effective than passive techniques. METHODS: A randomised, controlled cross-over study will be carried out to evaluate and compare the effectiveness of early rehabilitation techniques on cardiac output (CO) in sedated patients in intensive care...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28190986/algorithms-for-automatically-pointing-ultrasound-imaging-catheters
#9
Paul M Loschak, Laura J Brattain, Robert D Howe
A system for automatically pointing ultrasound (US) imaging catheters will enable clinicians to monitor anatomical structures and track instruments during interventional procedures. Off-the-shelf US catheters provide high quality US images from within the patient. While this method of imaging has been proven to be effective for guiding many interventional treatments, significant training is required to overcome the difficulty in manually steering the imager to point at desired structures. Our system uses closed-form four degree of freedom (DOF) kinematic solutions to automatically position the US catheter and point the imager...
February 2017: IEEE Transactions on Robotics: a Publication of the IEEE Robotics and Automation Society
https://www.readbyqxmd.com/read/28166925/-is-universal-screening-for-cervical-length-among-singleton-pregnancies-with-no-history-of-preterm-birth-justified
#10
P Rozenberg
The ultrasonographic measurement of cervical length with a cutoff of 15mm is currently the best method to identify a group of asymptomatic women in the general population at risk of spontaneous preterm birth, especially among asymptomatic patients with a singleton pregnancy with no history of preterm birth. Cerclage and 17 alpha-hydroxyprogesterone caproate (17OHP-C) are ineffective to reduce the risk of preterm birth among asymptomatic patients with a short cervix in midtrimester. However, vaginal progesterone (200-mg capsules of micronized progesterone or gel containing 90mg progesterone) has been demonstrated effective in 2 large randomized trials to reduce the risk of preterm birth and possibly the composite morbidity and perinatal mortality associated among asymptomatic women with a short cervix in the general population screened by ultrasound of the cervix in midtrimester...
December 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/28149802/operative-bed-recurrence-of-thyroid-cancer-utility-of-a-preoperative-needle-localization-technique
#11
Oliver S Eng, Scott B Grant, Jason Weissler, Mitchell Simon, Sudipta Roychowdhury, Tomer Davidov, Stanley Z Trooskin
BACKGROUND: Surgical management of recurrent disease after total thyroidectomy and/or neck dissection for thyroid carcinoma remains a challenging clinical problem. Reoperation is associated with a significant increase in morbidity. Preoperative needle localization technique for non-palpable breast tumors has recently been extrapolated to head and neck surgery. We report on the use of preoperative ultrasound-guided needle localization for non-palpable recurrent operative bed disease as an intraoperative aid in resection...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28115952/salvage-high-dose-rate-brachytherapy-for-histologically-confirmed-macroscopic-local-relapsed-prostate-cancer-after-radical-prostatectomy
#12
David Buchser, Alfonso Gomez-Iturriaga, J Ignacio Rodriguez Melcon, Francisco Casquero, Roberto Llarena, Jon Cacicedo, Pedro Bilbao
PURPOSE: To evaluate the feasibility of the use of real-time magnetic resonance imaging (MRI)-transrectal ultrasound (TRUS) fusion guided high-dose-rate brachytherapy (HDR-BT) +/- external beam radiation therapy (EBRT) in patients with histologically-proven local relapse after radical prostatectomy. MATERIAL AND METHODS: We retrospectively reviewed 13 patients treated with real-time MRI-TRUS fusion HDR-BT for a local relapse of prostate cancer after radical surgery...
December 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28114884/everrest-prospective-study-a-6-year-prospective-study-to-define-the-clinical-and-biological-characteristics-of-pregnancies-affected-by-severe-early-onset-fetal-growth-restriction
#13
Rebecca Spencer, Gareth Ambler, Jana Brodszki, Anke Diemert, Francesc Figueras, Eduard Gratacós, Stefan R Hansson, Kurt Hecher, Angela Huertas-Ceballos, Neil Marlow, Karel Marsál, Eva Morsing, Donald Peebles, Carlo Rossi, Neil J Sebire, John F Timms, Anna L David
BACKGROUND: Fetal growth restriction (FGR) is a serious obstetric condition for which there is currently no treatment. The EVERREST Prospective Study has been designed to characterise the natural history of pregnancies affected by severe early onset FGR and establish a well phenotyped bio-bank. The findings will provide up-to-date information for clinicians and patients and inform the design and conduct of the EVERREST Clinical Trial: a phase I/IIa trial to assess the safety and efficacy of maternal vascular endothelial growth factor (VEGF) gene therapy in severe early onset FGR...
January 23, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28114163/doppler-ultrasonography-of-the-central-retinal-vessels-in-children-with-brain-death
#14
Becky J Riggs, Joanna S Cohen, Bhavana Shivakumar, Carmelina Trimboli-Heidler, Jason T Patregnani, Marijean M Miller, Michael C Spaeder, Nathan P Dean
OBJECTIVE: The purpose of this observational study is to explore if bedside Doppler ultrasonography of the central retinal vessels has the potential to become an ancillary study to support the timely diagnosis of brain death in children. DESIGN: Seventeen-month prospective observational cohort. SETTING: Forty-four bed pediatric medical and surgical ICU in an academic teaching hospital. PATIENTS: All children 0-18 years old who were clinically evaluated for brain death at Children's National Health Systems were enrolled and followed until discharge or death...
March 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28114013/wall-less-flow-phantoms-with-tortuous-vascular-geometries-design-principles-and-a-patient-specific-model-fabrication-example
#15
Chung Kit Ho, Adrian J Y Chee, Billy Y S Yiu, Anderson C O Tsang, Kwok Wing Chow, Alfred C H Yu
Flow phantoms with anatomically realistic geometry and high acoustic compatibility are valuable investigative tools in vascular ultrasound studies. Here, we present a new framework to fabricate ultrasound-compatible flow phantoms to replicate human vasculature that is tortuous, non-planar and branching in nature. This framework is based upon the integration of rapid prototyping and investment casting principles. A pedagogical walkthrough of our engineering protocol is presented in this paper using a patient-specific cerebral aneurysm model as an exemplar demonstration...
December 6, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28103204/transthoracic-ultrasonography-for-the-immunocompromised-patient-a-pilot-project-that-introduces-transthoracic-ultrasonography-for-the-follow-up-of-hematological-patients-in-romania
#16
Ioana Frinc, Petru Ilies, Florin Zaharie, Delia Dima, Alina Tanase, Ljubomir Petrov, Alexandru Irimie, Cristian Berce, Cosmin Lisencu, Ioana Berindan-Neagoe, Ciprian Tomuleasa, Anca Bojan
In the last decade, there is significant progress in clinical hematology with the discovery of targeted molecules and thus the achievement of both hematologic and molecular responses. Nevertheless, chemotherapy remains the treatment of choice for many types of hematological malignancies. Aggressive chemotherapy leads to immunosuppression, accompanied by a high rate of infections and an increased rate of treatment-related mortality. Invasive fungal infections, as well as more common bacterial and viral infections are frequent in immunocompromised patients as they are difficult to diagnose and treat...
January 18, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28068594/prevention-of-spontaneous-preterm-birth-guidelines-for-clinical-practice-from-the-french-college-of-gynaecologists-and-obstetricians-cngof
#17
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/28052593/panoramic-ultrasound-a-novel-and-valid-tool-for-monitoring-change-in-muscle-mass
#18
Jessica M Scott, David S Martin, Robert Ploutz-Snyder, Timothy Matz, Timothy Caine, Meghan Downs, Kyle Hackney, Roxanne Buxton, Jeffrey W Ryder, Lori Ploutz-Snyder
BACKGROUND: The strong link between reduced muscle mass and morbidity and mortality highlights the urgent need for simple techniques that can monitor change in skeletal muscle cross-sectional area (CSA). Our objective was to examine the validity of panoramic ultrasound to detect change in quadriceps and gastrocnemius size in comparison with magnetic resonance imaging (MRI) in subjects randomized to 70 days of bed rest (BR) with or without exercise. METHODS: Panoramic ultrasound and MRI images of the quadriceps and gastrocnemius muscles were acquired on the right leg of 27 subjects (26 male, 1 female; age: 34...
January 3, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28044461/equivalence-of-cell-survival-data-for-radiation-dose-and-thermal-dose-in-ablative-treatments-analysis-applied-to-essential-tremor-thalamotomy-by-focussed-ultrasound-and-gamma-knife
#19
D Schlesinger, M Lee, G Ter Haar, B Sela, M Eames, J Snell, N Kassell, J Sheehan, J M Larner, J-F Aubry
Thermal dose and absorbed radiation dose have historically been difficult to compare because different biological mechanisms are at work. Thermal dose denatures proteins and the radiation dose causes DNA damage in order to achieve ablation. The purpose of this paper is to use the proportion of cell survival as a potential common unit by which to measure the biological effect of each procedure. Survival curves for both thermal and radiation doses have been extracted from previously published data for three different cell types...
January 31, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28031723/economic-report-on-the-cost-of-dengue-fever-in-vietnam-case-of-a-provincial-hospital
#20
Luyen Dinh Pham, Nhat Huy Tran Phung, Nguyen Tu Dang Le, Trung Quang Vo
BACKGROUND: Dengue is a mosquito-borne viral illness with the world's fastest rate of infection. In 2014, Vietnam had recorded 43,000 cases in 53 provinces, with 28 deaths. MATERIALS AND METHODS: A 6-month cross-sectional study was conducted from September 2015 to March 2016 at Cu Chi General Hospital. Cost of illness in this study was estimated under the incidence-based approach from the societal perspective. RESULTS: The average cost per case was US$139...
2017: ClinicoEconomics and Outcomes Research: CEOR
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