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https://www.readbyqxmd.com/read/28812744/benzene-centred-tripodal-diglycolamides-for-the-sequestration-of-trivalent-actinides-metal-ion-extraction-and-luminescence-spectroscopic-investigations-in-a-room-temperature-ionic-liquid
#1
Seraj Ahmad Ansari, Prasanta Kumar Mohapatra, Andrea Leoncini, Jurriaan Huskens, Willem Verboom
Three benzene-centred tripodal diglycolamide (Bz-T-DGA) ligands, where the diglycolamide (DGA) moieties are attached to a central benzene ring through ethylene spacers (LI), amide groups (LII) or ether linkages (LIII), were evaluated for their extraction behaviour towards trivalent actinide and lanthanide ions in a room temperature ionic liquid (RTIL), viz. 1-butyl-3-methylimidazolium bis(trifluoromethane)sulfonimide ([C4mim][Tf2N]). The extraction behaviour of these ligands in [C4mim][Tf2N] medium was compared with that obtained in the molecular solvent n-dodecane showing an opposite selectivity of LIII > LII > LIvs...
August 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28810872/-repel-all-biters-an-enhanced-collection-of-endophilic-anopheles-gambiae-and-anopheles-arabiensis-in-cdc-light-traps-from-the-kagera-region-of-tanzania-in-the-presence-of-a-combination-mosquito-net-impregnated-with-piperonyl-butoxide-and-permethrin
#2
Corey LeClair, Judith Cronery, Enock Kessy, Elsa V E Tomás, Yohannes Kulwa, Franklin W Mosha, Mark Rowland, Natacha Protopopoff, J Derek Charlwood
BACKGROUND: Mosquito nets containing synergists designed to overcome metabolic resistance mechanisms in vectors have been developed. These may enhance excitability in the mosquitoes and affect how they respond to CDC light-traps. Investigating the behaviour of vectors of disease in relation to novel mosquito nets is, therefore, essential for the design of sampling and surveillance systems. METHODS: In an initial experiment in Muleba, Tanzania, nine bedrooms from three housing clusters were sampled...
August 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28809678/ultrasound-aided-vertebral-level-localization-for-lumbar-surgery
#3
Nora Baka, Sieger Leenstra, Theo van Walsum
Localization of the correct vertebral level for surgical entry during lumbar hernia surgery is not straightforward. In this paper we develop and evaluate a solution using free-hand 2D ultrasound (US) imaging in the operation room (OR). Our system exploits the difference in spinous process shapes of the vertebrae. The spinous processes are pre-operatively outlined and labeled in a lateral lumbar X-ray of the patient. Then, in the OR the spinous processes are imaged with 2D sagittal US, and are automatically segmented and registered with the X-ray shapes...
August 10, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28809132/impact-of-primary-tracheoesophageal-puncture-on-outcomes-after-total-laryngectomy
#4
Aru Panwar, Oleg Militsakh, Robert Lindau, Andrew Coughlin, Harlan Sayles, Katherine R Rieke, William Lydiatt, Daniel Lydiatt, Russell Smith
Objectives To identify differences in postoperative wound complications associated with a primary tracheoesophageal puncture (TEP) at the time of laryngectomy versus no TEP. Study Design Retrospective review of large national data set. Setting Academic and nonacademic health care facilities in United States, contributing de-identified, risk-adjusted clinical data to the American College of Surgeons National Surgical Quality Improvement Program. Subjects and Methods The National Surgical Quality Improvement Program data set for years 2006 to 2012 identified 430 patients who underwent total laryngectomy with or without a primary TEP...
August 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28808847/evaluation-of-hyoscine-n-butyl-bromide-efficacy-on-the-prevention-of-catheter-related-bladder-discomfort-after-transurethral-resection-of-prostate-a-randomized-double-blind-control-trial
#5
Golnar Sabetian, Farid Zand, Elham Asadpour, Mohammad Ghorbani, Pourya Adibi, Mohammad Mehdi Hosseini, Shahryar Zeyghami, Farzaneh Masihi
BACKGROUND: Transurethral resection of prostate (TURP) is the most common treatment for benign prostatic hyperplasia (BPH). Urinary tract catheter is inserted post-operatively which results in catheter-related bladder discomfort (CRBD) in many patients. The purpose of this study was to assess the preventive effect of hyoscine N-butyl bromide on CRBD caused by a urinary tract catheter after TURP surgery in patients with BPH. METHODS: Twenty-four and twenty-six patients in the treatment and control groups were enrolled, respectively...
August 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28808622/radiation-exposure-and-reduction-in-the-operating-room-perspectives-and-future-directions-in-spine-surgery
#6
REVIEW
Ankur S Narain, Fady Y Hijji, Kelly H Yom, Krishna T Kudaravalli, Brittany E Haws, Kern Singh
Intraoperative imaging is vital for accurate placement of instrumentation in spine surgery. However, the use of biplanar fluoroscopy and other intraoperative imaging modalities is associated with the risk of significant radiation exposure in the patient, surgeon, and surgical staff. Radiation exposure in the form of ionizing radiation can lead to cellular damage via the induction of DNA lesions and the production of reactive oxygen species. These effects often result in cell death or genomic instability, leading to various radiation-associated pathologies including an increased risk of malignancy...
July 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28807243/is-hyperthermic-intraperitoneal-chemotherapy-hipec-safe-for-healthcare-workers
#7
REVIEW
Simon Rodier, Guillaume Saint-Lorant, Jean-Marc Guilloit, Agnès Palix, Fabienne Divanon, François Sichel, Raphaël Delépée
BACKGROUND: During hyperthermic intraperitoneal chemotherapy (HIPEC), caregivers are exposed by different routes to cytotoxic drugs. This review proposes an overview of the safety of HIPEC by assessing existing data on protection procedures, biological and non-biological samples. Based on these data, relevant good practices, eventual irrelevant overprotection procedures and missing data to implement adapted protections are highlighted. MATERIALS AND METHODS: Data were extracted from a systematic review of literature from 1980 till 2016: number and type of surgical procedure, healthcare professionals present, protective equipment, samples, pre-analytical method and analytical method...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28806622/case-report-on-the-non-operative-management-of-a-retrievable-inferior-vena-cava-filter-perforating-the-duodenum
#8
Joseph S Fernandez-Moure, Keemberly Kim, M Haseeb Zubair, Wade R Rosenberg
INTRODUCTION: Deep vein thrombosis (DVT) continues to be a significant source of morbidity for surgical patients. Placement of a retrievable inferior vena cava (IVC) filter is used when patients have contraindications to anticoagulation or recurrent pulmonary embolism despite therapeutic anticoagulation. Although retrievable IVC filters are often used, they carry a unique set of risks. PRESENTATION OF CASE: A 67-year-old man presents to the Emergency Room (ER) following large volume melena and complaining of syncope...
July 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28806382/orbital-cellulitis-following-orbital-blow-out-fracture
#9
Je Yeon Byeon, Hwan Jun Choi
Orbital cellulitis and abscess have been described in the literature as complication that usually occur secondary to infection in the maxillary, ethmoidal, and frontal sinuses. If left untreated, it can lead to blindness, cavernous sinus thrombosis, meningitis, or cerebral abscess. Orbital fractures are a common sequela of blunt orbital trauma, but are only rarely associated with orbital cellulitis. So, the authors present rare orbital cellulitis after orbital blow-out fracture. A 55-year-old Asian complains of severe orbital swelling and pain on the left side...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806285/peritoneal-cavity-lavage-reduces-the-presence-of-mitochondrial-damage-associated-molecular-patterns-in-open-abdomen-patients
#10
Patricia Angellice Martinez-Quinones, Cameron Grant McCarthy, Caleb J Mentzer, Camilla Ferreira Wenceslau, Steven Barry Holsten, R Clinton Webb, Keith O'Malley
BACKGROUND: Mitochondrial damage-associated molecular patterns (mtDAMPs), such as mitochondrial DNA and N-formylated peptides, are endogenous molecules released from tissue after traumatic injury. mtDAMPs are potent activators of the innate immune system. They have similarities with bacteria, which allow mtDAMPs to interact with the same pattern recognition receptors and mediate the development of Systemic Inflammatory Response Syndrome (SIRS). Current recommendations for management of an open abdomen include returning to the operating room every 48 hours for peritoneal cavity lavage until definitive procedure...
August 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28805817/room-temperature-current-blockade-in-atomically-defined-single-cluster-junctions
#11
Giacomo Lovat, Bonnie Choi, Daniel W Paley, Michael L Steigerwald, Latha Venkataraman, Xavier Roy
Fabricating nanoscopic devices capable of manipulating and processing single units of charge is an essential step towards creating functional devices where quantum effects dominate transport characteristics. The archetypal single-electron transistor comprises a small conducting or semiconducting island separated from two metallic reservoirs by insulating barriers. By enabling the transfer of a well-defined number of charge carriers between the island and the reservoirs, such a device may enable discrete single-electron operations...
August 14, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28805655/transfer-of-cvd-grown-graphene-for-room-temperature-gas-sensors
#12
Federica Rigoni, Rishi Maiti, Camilla Baratto, Maurizio Donarelli, Jennifer MacLeod, Bahrati Gupta, Mei Lyu, Andrea Ponzoni, Giorgio Sberveglieri, Nunzio Motta, Guido Faglia
An easy transfer procedure to obtain graphene-based gas sensing devices operating at room temperature is presented. Starting from chemical vapor deposition (CVD)-grown graphene on copper foil, we obtained single layer graphene which could be transferred onto arbitrary substrates. In particular, we placed single layer graphene on top of a SiO<sub>2</sub>/Si substrate with pre-patterned Pt electrodes to realize a chemiresistor gas sensor able to operate at room temperature. The responses to ammonia (10, 20, 30 ppm) and nitrogen dioxide (1, 2, 3 ppm) are shown at different values of relative humidity, in dark and under 254 nm UV light...
August 14, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28803811/office-operative-hysteroscopy-an-update
#13
REVIEW
Christina Alicia Salazar, Keith Isaacson
Hysteroscopy is considered the gold standard for evaluation of intracavitary pathology associated with both pre- and postmenopausal patients with abnormal uterine bleeding as well as part of the evaluation of infertility patients with suspected cavity abnormalities. Office-based operative hysteroscopy allows patients to resume activities immediately and successfully integrates clinical practice into a "see and treat" modality, avoiding the added risks of undergoing anesthesia and the inconvenience of going to the operating room...
August 10, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28803176/an-easy-efficient-and-mobile-way-for-training-microsurgical-skills-during-busy-life-of-neurosurgical-residency-and-resource-challenged-environment
#14
Antti Huotarinen, Mika Niemelä, Behnam Rezai Jahromi
BACKGROUND: Residents life is more than hectic, it is hard to find place and time for training basic and advanced microsurgical skills. Surgical instruments, sutures can be purchased (or loaned from department) but the most expensive and space occupying device is microscope. In developing countries microscopes are used where the need is most; in operation rooms. Furthermore conventional microscope is not portable. For all mentioned reasons availability of microscope for training microsurgery is very limited...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803124/influence-of-depth-of-neuromuscular-blockade-on-surgical-conditions-during-low-pressure-pneumoperitoneum-laparoscopic-cholecystectomy-a-randomized-blinded-study
#15
Javier Barrio, Carlos L Errando, Jaime García-Ramón, Rafael Sellés, Guillermo San Miguel, Juan Gallego
STUDY OBJECTIVE: To evaluate the influence of neuromuscular blockade (NMB) on surgical conditions during low-pressure pneumoperitoneum (8mmHg) laparoscopic cholecystectomy (LC), while comparing moderate and deep NMB. Secondary objective was to evaluate if surgical conditions during low-pressure pneumoperitoneum LC performed with deep NMB could be comparable to those provided during standard-pressure pneumoperitoneum (12mmHg) LC. DESIGN: Prospective, randomized, blinded clinical trial...
August 10, 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28802619/sugammadex-efficacy-for-reversal-of-rocuronium-and-vecuronium-induced-neuromuscular-blockade-a-pooled-analysis-of-26-studies
#16
William Joseph Herring, Tiffany Woo, Christopher A Assaid, Robert J Lupinacci, Hendrikus J Lemmens, Manfred Blobner, Karin S Khuenl-Brady
STUDY OBJECTIVE: To summarize and compare efficacy of sugammadex with neostigmine or placebo for reversal of rocuronium- or vecuronium-induced neuromuscular blockade (NMB), and to demonstrate consistency of sugammadex results across various patient populations. DESIGN: Pooled analysis on data from 26 multicenter, randomized, Phase II and III studies. SETTING: Operating room. PATIENTS: 1855 adults undergoing surgery under general anesthesia and receiving rocuronium or vecuronium for NMB...
September 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28802595/variability-in-opioid-prescribing-for-children-undergoing-ambulatory-surgery-in-the-united-states
#17
William C Van Cleve, Eliot B Grigg
STUDY OBJECTIVE: We attempted to describe the opioid prescribing patterns for ambulatory pediatric surgery in the United States from 2007 to 2014. DESIGN: Retrospective database review. SETTING: Operating room ambulatory encounters as determined by the Truven Health Marketscan Commercial Claims and Encounters database. PATIENTS: A total of 929,874 ambulatory surgical encounters were identified in patients <18years of age and, of these, 439,286 encounters generated an analgesic prescription...
September 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28801767/experimental-validation-of-predicted-application-accuracies-for-computer-assisted-cas-intraoperative-navigation-with-paired-point-registration
#18
Martina Perwög, Zoltan Bardosi, Wolfgang Freysinger
PURPOSE: The target registration error (TRE) is a crucial parameter to estimate the potential usefulness of computer-assisted navigation intraoperatively. Both image-to-patient registration on base of rigid-body registration and TRE prediction methods are available for spatially isotropic and anisotropic data. This study presents a thorough validation of data obtained in an experimental operating room setting with CT images. METHODS: Optical tracking was used to register a plastic skull, an anatomic specimen, and a volunteer to their respective CT images...
August 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28801217/evaluation-of-unplanned-hospital-readmissions-after-major-urologic-inpatient-surgery-in-the-era-of-accountable-care
#19
Benjamin V Stone, Matthew R Cohn, Nicholas M Donin, Michael Schulster, James S Wysock, Danil V Makarov, Marc A Bjurlin
OBJECTIVE: To provide a multi-institutional analysis of clinical factors predicting unplanned hospital readmission after major inpatient urologic surgery. MATERIALS AND METHODS: The American College of Surgeons National Surgical Quality Improvement Program (NSQIP) is a risk-adjusted data collection mechanism for analyzing clinical outcomes data including 30-day perioperative readmissions and complications. We identified 23,108 patients who underwent major inpatient urologic surgery from 2011 to 2012...
August 8, 2017: Urology
https://www.readbyqxmd.com/read/28801040/extracorporeal-cardiopulmonary-resuscitation-for-blunt-cardiac-rupture-a-case-report
#20
Shunsuke Kudo, Keiji Tanaka, Kunihiko Okada, Takahiro Takemura
Extracorporeal cardiopulmonary resuscitation (ECPR) followed by operating room sternotomy, rather than resuscitative thoracotomy, might be life-saving for patients with blunt cardiac rupture and cardiac arrest who do not have multiple severe traumatic injuries. A 49-year-old man was injured in a vehicle crash and transferred to the emergency department. On admission, he was hemodynamically stable, but a plain chest radiograph revealed a widened mediastinum, and echocardiography revealed hemopericardium. A computed tomography scan revealed hemopericardium and mediastinal hematoma, without other severe traumatic injuries...
August 5, 2017: American Journal of Emergency Medicine
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