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https://www.readbyqxmd.com/read/28433500/psychometric-characteristics-of-the-matrics-consensus-cognitive-battery-in-a-large-pooled-cohort-of-stable-schizophrenia-patients
#1
Anastasia Georgiades, Vicki G Davis, Alexandra S Atkins, Anzalee Khan, Trina W Walker, Antony Loebel, George Haig, Dana C Hilt, Eduardo Dunayevich, Daniel Umbricht, Michael Sand, Richard S E Keefe
The MATRICS Consensus Cognitive Battery (MCCB) was developed to assess cognitive treatment effects in schizophrenia clinical trials, and is considered the FDA gold standard outcome measure for that purpose. The aim of the present study was to establish pre-treatment psychometric characteristics of the MCCB in a large pooled sample. The dataset included 2616 stable schizophrenia patients enrolled in 15 different clinical trials between 2007 and 2016 within the United States (94%) and Canada (6%). The MCCB was administered twice prior to the initiation of treatment in 1908 patients...
April 19, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28432489/design-development-and-clinical-validation-of-computer-aided-surgical-simulation-system-for-streamlined-orthognathic-surgical-planning
#2
REVIEW
Peng Yuan, Huaming Mai, Jianfu Li, Dennis Chun-Yu Ho, Yingying Lai, Siting Liu, Daeseung Kim, Zixiang Xiong, David M Alfi, John F Teichgraeber, Jaime Gateno, James J Xia
PURPOSE: There are many proven problems associated with traditional surgical planning methods for orthognathic surgery. To address these problems, we developed a computer-aided surgical simulation (CASS) system, the AnatomicAligner, to plan orthognathic surgery following our streamlined clinical protocol. METHODS: The system includes six modules: image segmentation and three-dimensional (3D) reconstruction, registration and reorientation of models to neutral head posture, 3D cephalometric analysis, virtual osteotomy, surgical simulation, and surgical splint generation...
April 21, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28430740/low-dose-computed-tomography-scans-with-automatic-exposure-control-for-patients-of-different-ages-undergoing-cardiac-pet-ct-and-spect-ct
#3
Ching-Ching Yang, Bang-Hung Yang, Chun-Yuan Tu, Tung-Hsin Wu, Shu-Hsin Liu
PURPOSE: This study aimed to evaluate the efficacy of automatic exposure control (AEC) in order to optimize low-dose computed tomography (CT) protocols for patients of different ages undergoing cardiac PET/CT and single-photon emission computed tomography/computed tomography (SPECT/CT). METHODS: One PET/CT and one SPECT/CT were used to acquire CT images for four anthropomorphic phantoms representative of 1-year-old, 5-year-old and 10-year-old children and an adult...
April 20, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28430590/treatment-of-esophageal-cancer-with-radiation-therapy-a-pan-chinese-survey-of-radiation-oncologists
#4
Yun Zhang, Jing Liu, Wencheng Zhang, Weiye Deng, Jinbo Yue
Lots of controversies were found about the treatment in relation to radiation therapy (RT) for esophageal squamous cell carcinoma (ESCC). We designed a questionnaire of these controversies to do a pan-Chinese survey of radiation oncologists (ROs). For operable ESCC, 53% ROs chose surgery plus postoperative chemoradiotherapy (CRT), while 40% chose preoperative CRT plus surgery. For target volume of postoperative RT, most ROs (92%) would delineate tumor bed plus involved lymph nodes region before surgery. For definitive RT, most ROs (81%) would give patients higher RT dose to 60-65Gy...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429574/flip-angle-optimization-for-balanced-ssfp-cardiac-cine-imaging-following-the-application-of-standard-extracellular-contrast-agent-gadobutrol
#5
Daniel L R Kuetting, Darius Dabir, Julian Luetkens, Andreas Feisst, Rami Homsi, Daniel Thomas, Hans H Schild, Alois M Sprinkart
PURPOSE: To investigate the effect of the flip angle (FA) on the blood-myocardium contrast and to define the FA leading to highest image quality in contrast-enhanced balanced steady-state free precession (bSSFP) images. bSSFP images provide excellent contrast between myocardium and blood with high signal-to-noise and contrast-to-noise ratios (SNR, CNR). In clinical practice, bSSFP images are typically acquired following the injection of extracellular contrast agents (ECAs), although ECAs decrease the blood-myocardium contrast...
April 21, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28429117/a-comparison-of-mcgrath-mac%C3%A2-and-standard-direct-laryngoscopy-in-simulated-immobilized-cervical-spine-pediatric-intubation-a-manikin-study
#6
Marcin Madziala, Jacek Smereka, Marek Dabrowski, Steve Leung, Kurt Ruetzler, Lukasz Szarpak
Emergency airway management in children is generally considered to be challenging, and endotracheal intubation requires a high level of personal skills and experience. Immobilization of the cervical spine is indicated in all patients with the risk of any cervical spine injury but significantly aggravates endotracheal intubation. The best airway device in this setting has not been established yet, although the use of videolaryngoscopes is generally promising. Seventy-five moderately experienced paramedics of the Emergency Medical Service of Poland performed endotracheal intubations in a pediatric manikin in three airway scenarios: (A) normal airway, (B) manual in-line cervical immobilization, and (C) cervical immobilization using a Patriot cervical extrication collar and using two airway techniques: (1) McGrath videolaryngoscope and (2) Macintosh blade in a randomized sequence...
April 21, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28425890/biomedical-simulation-evolution-concepts-challenges-and-future-trends
#7
Carla Sá-Couto, Luís Patrão, Francisco Maio-Matos, José Miguel Pêgo
Biomedical simulation is an effective educational complement for healthcare training, both at undergraduate and postgraduate level. It enables knowledge, skills and attitudes to be acquired in a safe, educationally orientated and efficient manner. In this context, simulation provides skills and experience that facilitate the transfer of cognitive, psychomotor and proper communication competences, thus changing behavior and attitudes, and ultimately improving patient safety. Beyond the impact on individual and team performance, simulation provides an opportunity to study organizational failures and improve system performance...
December 30, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28424901/driving-with-a-neurodegenerative-disorder-an-overview-of-the-current-literature
#8
REVIEW
Milou Jacobs, Ellen P Hart, Raymund A C Roos
Driving is important for employment, social activities, and for the feeling of independence. The decision to cease driving affects the quality of life and has been associated with reduced mobility, social isolation, and sadness. Patients with neurodegenerative disorders can experience difficulties while driving due to their cognitive, motor, and behavioral impairments. The aim of this review is to summarize the available literature on changes in driving competence and behavior in patients with neurodegenerative disorders, with a particular focus on Huntington's (HD), Parkinson's (PD), and Alzheimer's disease (AD)...
April 19, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28419480/characterization-of-neutropenia-in-advanced-cancer-patients-following-palbociclib-treatment-using-a-population-pharmacokinetic-pharmacodynamic-modeling-and-simulation-approach
#9
Wan Sun, Peter J O'Dwyer, Richard S Finn, Ana Ruiz-Garcia, Geoffrey I Shapiro, Gary K Schwartz, Angela DeMichele, Diane Wang
Neutropenia is the most commonly reported hematologic toxicity following treatment with palbociclib, a cyclin-dependent kinase 4/6 inhibitor approved for metastatic breast cancer. Using data from 185 advanced cancer patients receiving palbociclib in 3 clinical trials, a pharmacokinetic-pharmacodynamic model was developed to describe the time course of absolute neutrophil count (ANC) and quantify the exposure-response relationship for neutropenia. These analyses help in understanding neutropenia associated with palbociclib and its comparison with chemotherapy-induced neutropenia...
April 18, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28418955/late-124i-pet-ct-uptake-measurement-assessment-of-appropriate-examination-protocol-in-benign-thyroid-diseases
#10
Martin Freesmeyer, Anja S Gabler, Christian Kühnel, Thomas Winkens
PURPOSE: This study aimed at investigating the performance of late I PET/CT for radioiodine uptake (RAIU) measurement at 336 hours after administration in patients with benign thyroid diseases requiring radioiodine therapy. Special attention was paid to the comparability of I uptake (I-RAIU) to the clinical standard (I-RAIU, probe measurement). Considering cost aspects, we sought to establish an economically reasonable examination protocol based on scan duration and administered activity...
April 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28413282/comparison-of-success-of-tracheal-intubation-using-macintosh-laryngoscope-assisted-bonfils-fiberscope-and-truview-video-laryngoscope-in-simulated-difficult-airway
#11
Bangaru Vivek, R Sripriya, Gayatri Mishra, M Ravishankar, S Parthasarathy
BACKGROUND AND AIMS: Restriction of head and neck movements prevents the alignment of the oral, pharyngeal, and laryngeal axes and increases the incidence of difficult tracheal intubation in patients with cervical spine fractures. Video laryngoscopes have gained an important role in the management of difficult intubation, especially in situations with limited head and neck movements. This study compares the success of intubation using Macintosh laryngoscope assisted Bonfils(®) fiberscope (ML-BF) with Truview(PCD) video laryngoscope (TV) in patients with simulated restricted head and neck movements...
January 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28409365/troubleshooting-common-endoscopic-malfunctions-a-study-integrating-a-preoperative-checklist-and-troubleshooting-guide-into-surgical-resident-training
#12
Jenny Lam, Kevin Grimes, Adnan Mohsin, Shawn Tsuda
INTRODUCTION: This study assessed the utility of a checklist in troubleshooting endoscopic equipment. Prior studies have demonstrated that performance in simulated tasks translates into completion of similar tasks in the operating room. Checklists have been shown to decrease error and improve patient safety. There is currently limited experience with the use of simulation and checklists to improve troubleshooting of endoscopic equipment. We propose the use of a checklist during a simulated colonoscopy to improve performance during endoscopic troubleshooting...
April 13, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28408987/saving-from-unnecessary-pancreaticoduodenectomy-brunner-s-gland-hamartoma-case-report-on-a-rare-duodenal-lesion-and-exhaustive-literature-review
#13
Andrea Peloso, Jacopo Viganò, Alessandro Vanoli, Tommaso Dominioni, Sandro Zonta, Dario Bugada, Carlo Maria Bianchi, Francesco Calabrese, Ilaria Benzoni, Marcello Maestri, Paolo Dionigi, Lorenzo Cobianchi
INTRODUCTION: Brunner's gland hamartoma (BGH) is an infrequently encountered, benign, polypoid proliferation of Brunner's glands. Usually these lesions are asymptomatic, just only occasionally presenting with duodenal obstruction or bleeding signs and mimicking a tumoral lesion. CASE PRESENTATION: A 72-year-old male, referred for recurrent vomiting and epigastralgia, was investigated and all preoperative findings were suggestive of a tumour of the duodenum. During the scheduled pancreaticoduodenectomy a mass, resultant to a polyp, was palpatory felt inside the duodenum and then successfully and completely resected through a duodenotomy avoiding surgical overtreatment and connected postoperative morbidities...
May 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28407768/a-study-of-noninvasive-fractional-flow-reserve-derived-from-a-simplified-method-based-on-coronary-computed-tomography-angiography-in-suspected-coronary-artery-disease
#14
Changzheng Shi, Dong Zhang, Kunlin Cao, Tao Zhang, Liangping Luo, Xin Liu, Heye Zhang
BACKGROUND: The invasive fractional flow reserve has been considered the gold standard for identifying ischaemia-related stenosis in patients with suspected coronary artery disease. Determining non-invasive FFR based on coronary computed tomographic angiography datasets using computational fluid dynamics tends to be a demanding process. Therefore, the diagnostic performance of a simplified method for the calculation of FFRCTA requires further evaluation. OBJECTIVES: The aim of this study was to investigate the diagnostic performance of FFRCTA calculated based on a simplified method by referring to the invasive FFR in patient-specific coronary arteries and clinical decision-making...
April 14, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28407166/evaluation-of-the-true-wavefront-aberrations-in-eyes-implanted-with-a-rotationally-asymmetric-multifocal-intraocular-lens
#15
Vyas Akondi, Pablo Pérez-Merino, Eduardo Martinez-Enriquez, Carlos Dorronsoro, Nicolás Alejandre, Ignacio Jiménez-Alfaro, Susana Marcos
PURPOSE: Standard evaluation of aberrations from wavefront slope measurements in patients implanted with a rotationally asymmetric multifocal intraocular lens (IOL), the Lentis Mplus (Oculentis GmbH, Berlin, Germany), results in large magnitude primary vertical coma, which is attributed to the intrinsic IOL design. The new proposed method analyzes aberrometry data, allowing disentangling the IOL power pupillary distribution from the true higher order aberrations of the eye. METHODS: The new method of wavefront reconstruction uses retinal spots obtained at both the near and far foci...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28406738/comparison-of-gravity-flow-rates-between-enfit-and-legacy-feeding-tubes
#16
Manpreet S Mundi, Wanda Duellman, Lisa Epp, Jacob Davidson, Ryan T Hurt
BACKGROUND: Misconnections between enteral supplies and other access devices have led to significant morbidity and mortality. To reduce misconnections, a standard small-bore connector has been developed (International Organization for Standards 80369-8; ENFit). The full impact of transition to this connector is not known, however. METHOD: Working with major manufacturers and Food and Drug Administration, we obtained ENFit and comparative legacy tubes of variable sizes (low-profile, 14F, 18F, 20F, and 24F balloon gastrostomies)...
April 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28405409/effects-of-communication-skill-training-cst-based-on-spikes-for-insurance-covered-pharmacy-pharmacists-to-interact-with-simulated-cancer-patients
#17
Manako Hanya, Yoshitake Kanno, Junko Akasaki, Keiko Abe, Kazuhiko Fujisaki, Hiroyuki Kamei
BACKGROUND: With the development of pharmacotherapy and radiotherapy, cancer treatment is being shifted from surgical to outpatient services, consequently increasing insurance-covered pharmacies' frequency of dealing with cancer patients. As the psychology of these patients is complex, it is necessary for pharmacists to educate them in consideration of their cognitive/medical and psychosocial aspects. This study analyzed cancer patient management by pharmacists working in such pharmacies and their communication skills before and after communication skill training based on SPIKES, a six-step protocol for delivering bad news, to confirm the usefulness of such training...
2017: Journal of Pharmaceutical Health Care and Sciences
https://www.readbyqxmd.com/read/28404759/paving-the-way-for-dose-banding-of-chemotherapy-an-analytical-approach
#18
Heike Reinhardt, Rainer Trittler, Alison G Eggleton, Stefan Wöhrl, Thomas Epting, Marion Buck, Sabine Kaiser, Daniel Jonas, Justus Duyster, Manfred Jung, Martin J Hug, Monika Engelhardt
Background: In an interdepartmental cooperation, we investigated the feasibility and benefits of implementing dose banding of chemotherapy at our medical center. Based on this concept, chemotherapy doses are clustered into bands of similar dosage levels, thereby allowing the preproduction of frequently used standard doses of drugs, with sufficient physicochemical stability. Although established practice in the United Kingdom, there is little published evidence of its introduction elsewhere. Methods: We performed an analysis of local prescribing practice (22,310 chemotherapies) and identified gemcitabine, 5-fluorouracil, and carboplatin, among various others, as cytotoxic drugs suitable for dose banding...
April 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28404592/accounting-for-oxygen-in-the-renal-cortex-a-computational-study-of-factors-that-predispose-the-cortex-to-hypoxia
#19
Chang-Joon Lee, Bruce S Gardiner, Jennifer P Ngo, Saptarshi Kar, Roger G Evans, David W Smith
We develop a pseudo-3D model of oxygen transport for the renal cortex of the rat, incorporating both the axial and radial geometry of the pre-glomerular circulation and quantitative information regarding the surface areas and transport from the vasculature and renal corpuscles. The computational model was validated by simulating four sets of published experimental studies of renal oxygenation in rats. Under the control conditions, the predicted cortical tissue oxygen tension (PtO2) or microvascular oxygen tension (µPO2) were within ± 1 standard error of the mean value (SEM) observed experimentally...
April 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28404450/does-lying-in-the-recovery-position-increase-the-likelihood-of-not-delivering-cardiopulmonary-resuscitation
#20
Miguel Freire-Tellado, Rubén Navarro-Patón, Maria Del Pilar Pavón-Prieto, Marta Fernández-López, Javier Mateos-Lorenzo, Ivan López-Fórneas
BACKGROUND: Resuscitation guidelines endorse unconscious and normally breathing out-of-hospital victims to be placed in the recovery position to secure airway patency, but recently a debate has been opened as to whether the recovery position threatens the cardiac arrest victim's safety assessment and delays the start of cardiopulmonary resuscitation. AIM: To compare the assessment of the victim's breathing arrest while placed in the recovery position versus maintaining an open airway with the continuous head tilt and chin lift technique to know whether the recovery position delays the cardiac arrest victim's assessment and the start of cardiopulmonary resuscitation...
April 9, 2017: Resuscitation
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