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https://www.readbyqxmd.com/read/28528053/transcatheter-mustard-revision-using-endovascular-graft-prostheses
#1
Diego Porras, Dimitrios Mitsouras, Michael Steigner, Andreas A Giannopoulos, Tatiana Kelil, Audrey C Marshall, Matthew T Menard
We describe the use of percutaneously inserted, transcatheter endovascular graft prostheses to exclude large Mustard baffle leaks in a high-surgical-risk patient. We used 3-dimensional-printed models to determine feasibility and to plan the procedure. Telescoping thoracic and abdominal graft extensions were placed in the inferior and superior limbs of the systemic venous pathways. An atrial septal defect occluder device was also used to close a separate leak not covered by the endovascular graft prostheses...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28523214/complex-regional-pain-syndrome-the-matter-of-white-matter
#2
Jaakko Hotta, Guangyu Zhou, Hanna Harno, Nina Forss, Riitta Hari
INTRODUCTION: Many central pathophysiological aspects of complex regional pain syndrome (CRPS) are still unknown. Although brain-imaging studies are increasingly supporting the contribution of the central nervous system to the generation and maintenance of the CRPS pain, the brain's white-matter alterations are seldom investigated. METHODS: In this study, we used diffusion tensor imaging to explore white-matter changes in twelve CRPS-type-1 female patients suffering from chronic right upper-limb pain compared with twelve healthy control subjects...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28522207/outcomes-of-post-traumatic-tibial-osteomyelitis-treated-with-an-orthofix-lrs-versus-an-ilizarov-external-fixator
#3
Yilizati Yilihamu, Ajimu Keremu, Alimujiang Abulaiti, Xiayimaierdan Maimaiti, Peng Ren, Aihemaitijiang Yusufu
OBJECTIVE: To compare the therapeutic effects of the Orthofix limb reconstruction system (LRS) versus the Ilizarov external fixator on osteomyelitis of a tibial bone defect. MATERIALS AND METHODS: Among 153 patients hospitalized for bone lengthening therapy from January 1, 1996 to January 1, 2015, 129 patients were selected for a retrospective analysis. Forty-three of the candidate patients were treated using the Orthofix LRS and the other 86 were treated using an Ilizarov external fixator...
May 3, 2017: Injury
https://www.readbyqxmd.com/read/28511658/global-kalman-filter-approaches-to-estimate-absolute-angles-of-lower-limb-segments
#4
Samuel L Nogueira, Stefan Lambrecht, Roberto S Inoue, Magdo Bortole, Arlindo N Montagnoli, Juan C Moreno, Eduardo Rocon, Marco H Terra, Adriano A G Siqueira, Jose L Pons
BACKGROUND: In this paper we propose the use of global Kalman filters (KFs) to estimate absolute angles of lower limb segments. Standard approaches adopt KFs to improve the performance of inertial sensors based on individual link configurations. In consequence, for a multi-body system like a lower limb exoskeleton, the inertial measurements of one link (e.g., the shank) are not taken into account in other link angle estimations (e.g., foot). Global KF approaches, on the other hand, correlate the collective contribution of all signals from lower limb segments observed in the state-space model through the filtering process...
May 16, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28484524/vertex-epidural-hematoma-an-analysis-of-a-large-series
#5
Vengalathur Ganesan Ramesh, Marappan Kodeeswaran, Kunjithapatham Deiveegan, Venkataraman Sundar, Kuchalambal Sriram
CONTEXT: Vertex epidural hematoma (VEDH) is uncommon. A high index of suspicion is required to suspect and diagnose this condition, and the surgical management is a challenge to neurosurgeons. There are only isolated case reports or small series of VEDH in the literature. AIMS: We have tried to analyze a large series of VEDH seen in our institute. SETTINGS AND DESIGN: Retrospective observational study. SUBJECTS AND METHODS: This is an analysis of case records of patients with VEDH during 17 years period from 1995 to 2012...
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28483615/severe-mesenteric-ischemia-in-a-pregnant-woman-with-antiphospholipid-syndrome
#6
Andrea Padricelli, Anna Maria Giribono, Doriana Ferrara, Flavia Spalla, Umberto Bracale, Luca Del Guercio, Giuseppe Servillo, Carlo Ruotolo, Umberto Marcello Bracale
The antiphospholipid syndrome (APS), either primary or secondary form, is considered an autoimmune disease with presence of at least one clinical and one laboratory abnormalities as defined by The Sydney criteria. Clinical criteria include vascular thrombosis of venous, artery, small vessel in any organ and recurrent pregnancy pathologies. Mesenteric ischemia is a rare and threatening manifestation of APS. We herein report a case of 34-years old pregnant woman referred to our Emergency Room with thoracic and abdominal acute pain...
May 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28464891/supplemental-vibrotactile-feedback-control-of-stabilization-and-reaching-actions-of-the-arm-using-limb-state-and-position-error-encodings
#7
Alexis R Krueger, Psiche Giannoni, Valay Shah, Maura Casadio, Robert A Scheidt
BACKGROUND: Deficits of kinesthesia (limb position and movement sensation) commonly limit sensorimotor function and its recovery after neuromotor injury. Sensory substitution technologies providing synthetic kinesthetic feedback might re-establish or enhance closed-loop control of goal-directed behaviors in people with impaired kinesthesia. METHODS: As a first step toward this goal, we evaluated the ability of unimpaired people to use vibrotactile sensory substitution to enhance stabilization and reaching tasks...
May 2, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28458472/plating-of-pilon-fractures-based-on-the-orientation-of-the-fibular-shaft-component-a-biomechanical-study-evaluating-plate-stiffness-in-a-cadaveric-fracture-model
#8
Gennadiy A Busel, J Tracy Watson
OBJECTIVES: To evaluate mechanically superior method of pilon fracture fixation by comparing axial stiffness between anterolateral and medial tibial locking plates in a cadaveric fracture model. METHODS: Eight matched pairs of fresh frozen cadaver specimens (lower limb after through-knee disarticulation) were used to eliminate confounder of bone quality. Simulated pilon fractures were created so that each pair represented either varus or valgus fracture pattern (AO 43-A2) with associated fibular fractures (transverse or comminuted)...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28451812/debulking-atherectomy-in-the-peripheral-arteries-is-there-a-role-and-what-is-the-evidence
#9
Konstantinos Katsanos, Stavros Spiliopoulos, Lazaros Reppas, Dimitris Karnabatidis
Traditional percutaneous balloon angioplasty and stent placement is based on mechanical plaque disruption and displacement within the arterial wall. On the contrary, transcatheter atherectomy achieves atherosclerotic plaque clearance by means of directional plaque excision or rotational plaque removal or laser plaque ablation. Debulking atherectomy may allow for a more uniform angioplasty result at lower pressures with consequently less vessel barotrauma and improved luminal gain, thereby decreasing the risk of plaque recoil and dissection that may require permanent metal stenting...
April 27, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28444097/chronic-polyarthritis-as-the-first-manifestation-of-childhood-systemic-polyarteritis-nodosa
#10
Glaucia Vanessa Novak, Koken Hayashi, Kohei Sampa, Yosuke Okumura, Gabriela Ribeiro Viola Ferreira, Clovis Artur Silva
Arthritis has been reported as an acute pattern, generally evanescent with oligoarthritis, mostly affecting knees and ankles in childhood systemic polyarteritis nodosa. However, chronic polyarthritis with morning stiffness mimicking juvenile idiopathic arthritis has not been reported. We describe the case of a 4-year old girl who had additive and chronic polyarthritis with edema, tenderness, pain on motion and morning stiffness for 2 months. After 45 days, she also presented painful subcutaneous nodules and erythematous-violaceous lesions in the extensor region of upper and lower limbs...
January 2017: Einstein
https://www.readbyqxmd.com/read/28439636/kinematic-alignment-is-a-possible-alternative-to-mechanical-alignment-in-total-knee-arthroplasty
#11
Yong Seuk Lee, Stephen M Howell, Ye-Yeon Won, O-Sung Lee, Seung Hoon Lee, Hamed Vahedi, Seow Hui Teo
PURPOSE: A systematic review was conducted to answer the following questions: (1) Does kinematically aligned (KA) total knee arthroplasty (TKA) achieve clinical outcomes comparable to those of mechanically aligned (MA) TKA? (2) How do the limb, knee, and component alignments differ between KA and MA TKA? (3) How is joint line orientation angle (JLOA) changed from the native knee in KA TKA compared to that in MA TKA? METHODS: Nine full-text articles in English that reported the clinical and radiological outcomes of KA TKA were included...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28438575/multiple-symmetric-lipomatosis-and-gynecomastia-a-case-report-and-relative-literature-review
#12
Meimei Tian, Yan Liu, Zhongji Zhi, Yukun Li
Multiple symmetric lipomatosis is a rare disease characterized by a symmetrical accumulation of massive adipose tissue on the neck, the superior part of the trunk, and limbs. Here, we reported an extremely rare case of multiple symmetric lipomatosis in a 46-year-old Chinese man, who has a history of heavy drinking and smoking and presented with diffuse lipomatosis and bilateral breast enlargement. Hyperuricemia and impaired glucose tolerance test were all found in this patient. A brief review of the literature was also made in this article...
March 30, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28433939/enhanced-proangiogenic-potential-of-mesenchymal-stem-cell-derived-exosomes-stimulated-by-a-nitric-oxide-releasing-polymer
#13
Wei Du, Kaiyue Zhang, Shuaiqiang Zhang, Ran Wang, Yan Nie, Hongyan Tao, Zhibo Han, Lu Liang, Di Wang, Jianfeng Liu, Na Liu, Zhongchao Han, Deling Kong, Qiang Zhao, Zongjin Li
Mesenchymal stem cell (MSC)-derived exosomes have been recognized as new candidates for the treatment of degenerative diseases or injury and may provide an alternative to cell-based therapy. However, the compositions in MSC-derived exosomes are highly influenced by the microenvironment in which their original cells reside. Here, we hypothesized that a nitric oxide (NO)-releasing polymer can boost the proangiogenic compositions of exosomes and enhance their proangiogenic capacity. Our results demonstrated that exosomes, released from human placenta-derived MSCs (hP-MSCs) by NO stimulation, augment the angiogenic effects of human umbilical vein endothelial cells (HUVECs) in vitro...
April 17, 2017: Biomaterials
https://www.readbyqxmd.com/read/28424223/low-dose-paclitaxel-coated-versus-uncoated-percutaneous-transluminal-balloon-angioplasty-for-femoropopliteal-peripheral-artery-disease-1-year-results-of-the-illumenate-european-randomized-clinical-trial
#14
Henrik Schroeder, Martin Werner, Dirk-Roelfs Meyer, Peter Reimer, Karsten Krüger, Michael R Jaff, Marianne Brodmann
Background -Numerous studies have reported favorable outcomes using drug-coated balloons (DCBs) for treatment of symptomatic peripheral artery disease (PAD) of the superficial femoral and popliteal arteries. However, the treatment effect compared to an uncoated balloon has differed greatly amongst the randomized trials with better outcomes observed with higher-dose DCBs. This European trial was designed to assess the safety and effectiveness of a next-generation low dose (2 µg/mm(2) surface dose of paclitaxel) DCB...
April 19, 2017: Circulation
https://www.readbyqxmd.com/read/28409112/plasticity-of-premotor-cortico-muscular-coherence-in-severely-impaired-stroke-patients-with-hand-paralysis
#15
Paolo Belardinelli, Leonard Laer, Erick Ortiz, Christoph Braun, Alireza Gharabaghi
Motor recovery in severely impaired stroke patients is often very limited. To refine therapeutic interventions for regaining motor control in this patient group, the functionally relevant mechanisms of neuronal plasticity need to be detected. Cortico-muscular coherence (CMC) may provide physiological and topographic insights to achieve this goal. Synchronizing limb movements to motor-related brain activation is hypothesized to reestablish cortico-motor control indexed by CMC. In the present study, right-handed, chronic stroke patients with right-hemispheric lesions and left hand paralysis participated in a four-week training for their left upper extremity...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28406566/how-did-the-pelvis-and-vertebral-column-become-a-functional-unit-during-the-transition-from-occasional-to-permanent-bipedalism
#16
Christine Tardieu, Kazuhiro Hasegawa, Martin Haeusler
The functional linkage between pelvis and spine remained long hidden to science. Here, we recount the history of research that led in 1992 to the discovery of the "angle of sacral incidence" by the team of G. Duval-Beaupère. This angle, formed between a ray from the hip joint center to the superior sacral surface and the perpendicular to the sacral surface, was later called pelvic incidence. Specific to each individual, pelvic incidence is tightly correlated with the degree of lumbar lordosis. It is each individual's "signature" for an efficient sagittal balance since it represents the sum of two positional parameters, sacral slope and pelvic tilt...
May 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28393570/tafamidis-delays-disease-progression-in-patients-with-early-stage-transthyretin-familial-amyloid-polyneuropathy-additional-supportive-analyses-from-the-pivotal-trial
#17
Denis Keohane, Jeffrey Schwartz, Balarama Gundapaneni, Michelle Stewart, Leslie Amass
BACKGROUND: Tafamidis, a non-NSAID highly specific transthyretin stabilizer, delayed neurologic disease progression as measured by Neuropathy Impairment Score-Lower Limbs (NIS-LL) in an 18-month, double-blind, placebo-controlled randomized trial in 128 patients with early-stage transthyretin V30M familial amyloid polyneuropathy (ATTRV30M-FAP). The current post hoc analyses aimed to further evaluate the effects of tafamidis in delaying ATTRV30M-FAP progression in this trial. METHODS: Pre-specified, repeated-measures analysis of change from baseline in NIS-LL in this trial (ClinicalTrials...
April 10, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28391066/lesion-evidence-for-a-human-mirror-neuron-system
#18
Ellen Binder, Anna Dovern, Maike D Hesse, Markus Ebke, Hans Karbe, Jochen Saliger, Gereon R Fink, Peter H Weiss
More than two decades ago, the mirror neuron system (MNS) was discovered in non-human primates: Single-cell recordings detected visuo-motor neurons that discharged not only when the monkey performed an action, but also when it observed conspecifics performing the same action. It has been proposed that a fronto-parietal circuitry constitutes the human homolog of the MNS. However, the functional role of a human MNS (i.e., whether it is functionally necessary for imitation or action understanding) to date remains controversial...
February 24, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28384948/clinico-radiological-outcome-analysis-of-parallel-plating-with-perpendicular-plating-in-distal-humeral-intra-articular-fractures-prospective-randomised-study
#19
Ramachandran Govindasamy, Vishal Shekhawat, Ramesh Chandra Banshiwal, Rajender Kumar Verma
INTRODUCTION: The distal humeral fractures are common fractures of upper limb and are difficult to treat. These fractures, if left untreated or inadequately treated, leads to poor outcomes. Management of distal humeral fractures are pertained to many controversies and one among them is position of plates. AIM: To compare the clinical and radiological outcomes in patients with intra-articular distal humerus fractures, treated using parallel and perpendicular double plating methods...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28375588/normothermic-ex-vivo-kidney-perfusion-following-static-cold-storage-ndash-brief-intermediate-or-prolonged-perfusion-for-optimal-renal-graft-reconditioning
#20
J Moritz Kaths, Juan Echeverri, Ivan Linares, Jun Yu Cen, Sujani Ganesh, Matyas Hamar, Peter Urbanellis, Paul Yip, Rohan John, Darius Bagli, Istvan Mucsi, Anand Ghanekar, David Grant, Lisa A Robinson, Markus Selzner
Normothermic ex vivo kidney perfusion (NEVKP) demonstrated superior results compared to hypothermic storage in donation after circulatory death (DCD) kidney transplantation. It is unknown whether an optimal perfusion time exists following hypothermic storage to allow for the recovery of renal grafts from cold ischemic injury. In a porcine model of DCD kidney autotransplantation, the impact of initial static cold storage (SCS) (8h) followed by various periods of NEVKP recovery was investigated: group A) 8hSCS only (control), group B) 8hSCS+1hNEVKP (brief NEVKP), group C) 8hSCS+8hNEVKP (intermediate NEVKP), and group D) 8hSCS+16hNEVKP (prolonged NEVKP)...
April 4, 2017: American Journal of Transplantation
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