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https://www.readbyqxmd.com/read/29458201/computer-assisted-surgery-in-acetabular-fractures-virtual-reduction-of-acetabular-fracture-using-the-first-patient-specific-biomechanical-model-simulator
#1
M Boudissa, H Oliveri, M Chabanas, J Tonetti
Preoperative planning for the management of acetabular fracture is founded on geometric models allowing virtual repositioning of the bone fragments, but not taking account of soft tissue and the realities of the surgical procedure. The present technical note reports results using the first simulator to be based on a patient-specific biomechanical model, simulating the action of forces on the fragments and also the interactions between soft issue and bone: muscles, capsules, ligaments, and bone contacts. In all 14 cases, biomechanical simulation faithfully reproduced the intraoperative behavior of the various bone fragments and reduction quality...
February 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29456427/the-experience-of-diabetes-related-language-in-diabetes-care
#2
Jane K Dickinson
Objective: The goal of this study was to understand how adults with diabetes experience the words used in diabetes care. Methods: This qualitative study guided by Critical Theory used two virtual and two in-person focus groups conducted by the same facilitator. A total of 68 focus group members participated. The facilitator transcribed and coded focus group data using individual responses as the unit of analysis. The facilitator used constant comparison to analyze responses and developed a research summary of themes that emerged...
February 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29456260/rf-safety-evaluation-of-a-breast-tissue-expander-device-for-mri-numerical-simulation-and-experiment
#3
Bu S Park, Amir Razjouyan, Leonardo M Angelone, Brent McCright, Sunder S Rajan
This study describes the MRI-related radio frequency (RF) safety evaluation of breast tissue expander devices to establish safety criteria. Numerical simulations and experimental measurements were performed at 64 MHz with a gel phantom containing a breast expander. Additionally, computational modeling was performed (64 and 128 MHz) with an adult female model, containing a virtually implanted breast tissue expander device for four imaging landmark positions. The presence of the breast tissue expander device led to significant alterations in specific absorption rate (SAR) and|B1 + |distributions...
October 2017: IEEE Transactions on Electromagnetic Compatibility
https://www.readbyqxmd.com/read/29456118/simulation-in-paediatric-urology-and-surgery-part-2-an-overview-of-simulation-modalities-and-their-applications
#4
REVIEW
R M Nataraja, N Webb, P J Lopez
Surgical training has changed radically in the last few decades. The traditional Halstedian model of time-bound apprenticeship has been replaced with competency-based training. In our previous article, we presented an overview of learning theory relevant to clinical teaching; a summary for the busy paediatric surgeon and urologist. We introduced the concepts underpinning current changes in surgical education and training. In this next article, we give an overview of the various modalities of surgical simulation, the educational principles that underlie them, and potential applications in clinical practice...
February 2, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29455079/automatic-detection-and-segmentation-of-brain-metastases-on-multimodal-mr-images-with-a-deep-convolutional-neural-network
#5
Odelin Charron, Alex Lallement, Delphine Jarnet, Vincent Noblet, Jean-Baptiste Clavier, Philippe Meyer
Stereotactic treatments are today the reference techniques for the irradiation of brain metastases in radiotherapy. The dose per fraction is very high, and delivered in small volumes (diameter <1 cm). As part of these treatments, effective detection and precise segmentation of lesions are imperative. Many methods based on deep-learning approaches have been developed for the automatic segmentation of gliomas, but very little for that of brain metastases. We adapted an existing 3D convolutional neural network (DeepMedic) to detect and segment brain metastases on MRI...
February 9, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29453980/virtual-reality-for-upper-limb-rehabilitation-in-sub-acute-and-chronic-stroke-a-randomized-controlled-trial
#6
Pawel Kiper, Andrzej Szczudlik, Michela Agostini, Jozef Opara, Roman Nowobilski, Laura Ventura, Paolo Tonin, Andrea Turolla
OBJECTIVE: To evaluate the effectiveness of reinforced feedback in virtual environment (RFVE) treatment combined with conventional rehabilitation (CR) in comparison with CR alone, and to study whether changes are related to stroke aetiology (i.e. ischemic or hemorrhagic). DESIGN: Randomized controlled trial. SETTING: Inpatients in a hospital facility for intensive rehabilitation. PARTICIPANTS: 136 patients within one year from onset of a single stroke...
February 14, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29452936/use-of-telemedicine-in-the-management-of-infectious-diseases
#7
G Gras
Communication technologies have invaded our daily lives. Several studies have assessed these technologies in the management of infectious diseases (mainly HIV). Weekly short text messages and real-time compliance monitoring assessed in HIV patients are both associated with higher compliance in low-income countries. Virtual consultations to monitor stable chronic HIV patients or tuberculosis treatment in high-income countries appear to be acceptable and efficient. Although assessed in small studies, virtual monitoring seems to reinforce the doctor-patient relationship and the relation between primary care settings and hospitals in various infectious diseases (endocarditis, urinary tract infection, skin and soft tissue infection, HIV, tuberculosis, hepatitis C)...
February 13, 2018: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29452628/an-integrative-review-of-peer-support-for-patients-undergoing-major-limb-amputation
#8
James P Reichmann, Kimberly R Bartman
Medical literature is replete with evidence regarding physical rehabilitation of the amputee; however, scant attention has been paid to psychological rehabilitation. The objective was to perform an integrative review of the published medical evidence regarding amputee peer support in the civilian population and provide an evidence-based clinical practice recommendation. This study was based on an exhaustive examination of the civilian amputee peer support medical evidence, bibliographic search, and on the experience of the authors when performing this integrative review...
March 2018: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/29451586/virtual-reality-exposure-therapy-for-fear-of-driving-analysis-of-clinical-characteristics-physiological-response-and-sense-of-presence
#9
Rafael T da Costa, Marcele R de Carvalho, Pedro Ribeiro, Antonio E Nardi
OBJECTIVE: To investigate the reactions of women with driving phobia to a therapeutic program of scheduled virtual reality exposure treatment (VRET) sessions. METHODS: The study intervention consisted of a computer game with car-driving scenarios that included several traffic situations. We investigated the participants' sense of presence, subjective distress, and physiological responses during eight virtual-reality exposures. We also evaluated clinical characteristics, driving cognitions, and quality of life in the participants...
February 15, 2018: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/29451435/safe-insertion-of-s-2-alar-iliac-screws-radiological-comparison-between-2-insertion-points-using-computed-tomography-and-3d-analysis-software
#10
Kentaro Yamada, Yuichiro Abe, Shigenobu Satoh
OBJECTIVE S-2 alar iliac (S2AI) screws are commonly used as anchors for lumbosacral fixation. A serious potential complication of screw insertion is major vascular injury due to anterior or caudal screw deviation. To avoid screw deviation, the pelvic inlet view on intraoperative fluoroscopy images is recommended. However, there has been no detailed investigation of optimal fluoroscopic incline with the pelvic inlet view. The purpose of this study was to investigate the safety margins and to optimize fluoroscopic settings to avoid screw deviation with 2 reported insertion techniques using 3D analysis software and CT...
February 16, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29447829/custom-made-titanium-miniplates-associated-with-ultrahigh-molecular-weight-polyethylene-graft-in-orthognathic-surgery-an-adjunct-to-maxillary-advancement
#11
José Thiers Carneiro Júnior, Paulo Hemerson de Moraes, Douglas Voss de Oliveira, Nayara Cristina Monteiro Carneiro
Patients with considerable maxillomandibular anteroposterior discrepancies and maxillary hypoplasia require corrective treatment through orthognathic surgery. However, in the treatment of severe maxillary retrognathism, it is necessary to reconstruct areas of bone deficiency through grafting techniques in addition to maxillary advancement using only the Le Fort I osteotomy. Treatment in these patients is more challenging and requires high surgical predictability. Alloplastic materials often have been used for the reconstruction of poor bone contours...
January 31, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29447437/j-shaped-association-between-post-operative-levothyroxine-dosage-and-fracture-risk-in-thyroid-cancer-patients-a-retrospective-cohort-study
#12
Dong Wook Shin, Beomseok Suh, Hyunsun Lim, Jae Moon Yun, Sun Ok Song, Youngmin Park
Long-term administration of supraphysiologic dosages of levothyroxine can have detrimental effect on the bone. We aimed to investigate fracture incidence among post-thyroidectomy thyroid cancer patients compared with matched comparison group, and explore the association between levothyroxine dosage and fracture risk. From the Korean National Health Insurance database, virtually all thyroid cancer patients who received thyroidectomy in Korea from January 1, 2004 to December 31, 2012 were included. Matched subjects were selected by 1:1 propensity score matching...
February 15, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29446668/improved-opacification-of-a-suboptimally-enhanced-pulmonary-artery-in-chest-ct-experience-using-a-dual-layer-detector-spectral-ct
#13
Kyungsoo Bae, Kyung Nyeo Jeon, Soo Buem Cho, Sung Eun Park, Jin Il Moon, Hye Jin Baek, Bo Hwa Choi
OBJECTIVE: The objective of our study was to evaluate the quality of virtual monoenergetic imaging (VMI) from dual-layer detector spectral CT and the effect of virtual monoenergetic images obtained at low energies on the detection of pulmonary embolism (PE) in patients with a suboptimally enhanced pulmonary artery on chest CT. MATERIALS AND METHODS: Of 1552 consecutive chest CT examinations performed with dual-layer detector spectral CT using a routine protocol with a tube voltage of 120 kVp, 79 examinations with suboptimal enhancement of the pulmonary artery (i...
February 15, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29446500/building-the-foundation-to-generate-a-fundamental-care-standardized-data-set
#14
Lianne Jeffs, Åsa Muntlin Athlin, Jack Needleman, Debra Jackson, Alison Kitson
Considerable transformation is occurring in healthcare globally with organizations focusing on achieving the quadruple aim of improving the experience of care, the health of populations, and the experience of providing care while reducing per capita costs of health care. In response, health care organizations are employing performance measurement and quality improvement methods to achieve the quadruple aim. Despite the plethora of measures available to health managers, there is no standardized data set and virtually no indicators reflecting how patients actually experience the delivery of fundamental care, such as nutrition, hydration, mobility, respect, education, and psychosocial support...
February 15, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29446334/leveraging-behavioral-health-expertise-practices-and-potential-of-the-project-echo-approach-to-virtually-integrating-care-in-underserved-areas
#15
Brant Hager, Michael Hasselberg, Eric Arzubi, Jonathan Betlinski, Mark Duncan, Jennifer Richman, Lori E Raney
This column describes Project ECHO (Extension for Community Healthcare Outcomes), a teleconsultation, tele-education, telementoring model for enhancing primary care treatment of underserved patients with complex medical conditions. Numerous centers have adapted ECHO to support primary care treatment of behavioral health disorders. Preliminary evidence for behavioral health ECHO programs suggests positive impacts on providers, treatment planning, and emergency department costs. ECHO has the potential to improve access to effective and cost-effective behavioral health care by virtually integrating behavioral health knowledge and support in sites where specialty providers are not available...
February 15, 2018: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/29444207/the-functional-network-signature-of-heterogeneity-in-freezing-of-gait
#16
Kaylena A Ehgoetz Martens, Julie M Hall, Matthew J Georgiades, Moran Gilat, Courtney C Walton, Elie Matar, Simon J G Lewis, James M Shine
Freezing of gait is a complex, heterogeneous, and highly variable phenomenon whose pathophysiology and neural signature remains enigmatic. Evidence suggests that freezing is associated with impairments across cognitive, motor and affective domains; however, most research to date has focused on investigating one axis of freezing of gait in isolation. This has led to inconsistent findings and a range of different pathophysiological models of freezing of gait, due in large part to the tendency for studies to investigate freezing of gait as a homogeneous entity...
February 9, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29443771/endoscopic-bronchial-occlusion-for-postoperative-persistent-bronchopleural-fistula-with-computed-tomography-fluoroscopy-guidance-and-virtual-bronchoscopic-navigation-a-case-report
#17
Masahiro Yanagiya, Jun Matsumoto, Masaaki Nagano, Masashi Kusakabe, Yoko Matsumoto, Ryutaro Furukawa, Sayaka Ohara, Kazuhiro Usui
RATIONALE: The development of postoperative bronchopleural fistula (BPF) remains a challenge in thoracic surgery. We herein report a case of BPF successfully treated with endoscopic bronchial occlusion under computed tomography (CT) fluoroscopy and virtual bronchoscopic navigation (VBN). PATIENT CONCERNS: A 63-year-old man underwent right upper lobectomy with concomitant S6a subsegmentectomy for lung adenocarcinoma. On postoperative day 24, he complained of shaking chills with high fever...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29442175/common-models-used-for-inpatient-diabetes-management
#18
REVIEW
Andjela T Drincic, Padmaja Akkireddy, Jon T Knezevich
PURPOSE OF REVIEW: Diabetes affects about a third of all hospitalized patients and up to 50% of inpatients go on to experience hyperglycemia. Despite strong evidence supporting the importance of adequate glycemic control, as well detailed guidelines from major national organizations, many patients continue to have hypo- and hyperglycemia during their hospital stay. While this may be partially related to provider and patient-specific factors, system-based barriers continue to pose a major obstacle...
February 14, 2018: Current Diabetes Reports
https://www.readbyqxmd.com/read/29441289/high-density-in-spinal-cord-stimulation-virtual-expert-registry-discover-study-protocol-for-a-prospective-observational-trial
#19
Mats De Jaeger, Robbert-Jan van Hooff, Lisa Goudman, Alexis Valenzuela Espinoza, Raf Brouns, Martine Puylaert, Wim Duyvendak, Maarten Moens
Background: Spinal cord stimulation (SCS) is a proven and effective treatment for neuropathic pain conditions such as failed back surgery syndrome (FBSS). The hypothesis that different settings for SCS parameters activate unique, pain-relieving mechanisms has boosted the development of various SCS paradigms. High density spinal cord stimulation (HD-SCS) is one of those promising, novel stimulation forms characterized by subthreshold stimulation, delivering more pulses per second and a higher pulse density to the spinal cord than conventional SCS...
June 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/29439253/positive-iron-balance-in-chronic-kidney-disease-how-much-is-too-much-and-how-to-tell
#20
Jay B Wish, George R Aronoff, Bruce R Bacon, Carlo Brugnara, Kai-Uwe Eckardt, Tomas Ganz, Iain C Macdougall, Julio Núñez, Adam J Perahia, John C Wood
BACKGROUND: Regulation of body iron occurs at cellular, tissue, and systemic levels. In healthy individuals, iron absorption and losses are minimal, creating a virtually closed system. In the setting of chronic kidney disease and hemodialysis (HD), increased iron losses, reduced iron absorption, and limited iron availability lead to iron deficiency. Intravenous (IV) iron therapy is frequently prescribed to replace lost iron, but determining an individual's iron balance and stores can be challenging and imprecise, contributing to uncertainty about the long-term safety of IV iron therapy...
February 13, 2018: American Journal of Nephrology
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