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https://www.readbyqxmd.com/read/28535525/expanded-hemodialysis-a-new-therapy-for-a-new-class-of-membranes
#1
Claudio Ronco, Gaetano La Manna
A wide spectrum of molecules is retained in end-stage kidney disease, normally defined as uremic toxins. These solutes have different molecular weights and radii. Current dialysis membranes and techniques only remove solutes in the range of 50-15,000 Da, with limited or no capability to remove solutes in the middle to high molecular weight range (up to 50,000 Da). Improved removal has been obtained with high cut-off (HCO) membranes, with albumin loss representing a limitation to their practical application...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28534192/nonunion-and-delayed-union-in-lateral-open-wedge-distal-femoral-osteotomies-a-legitimate-concern
#2
Franz Liska, Andreas Voss, Florian B Imhoff, Lukas Willinger, Andreas B Imhoff
INTRODUCTION: Due to a supposed high rate of nonunions in lateral open wedge distal femur osteotomy (LOWDFO), the medial closing wedge technique has been favoured for a long time. The aim of this study was to report the occurrence of delayed- and nonunions following LOWDFO. We hypothesized that the occurrence of nonunions needing revision surgery is comparable to medial closing osteotomies. METHODS: Forty-one patients were treated with LOWDFO with a minimum follow-up of 12 months...
May 23, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28530120/osteochondral-allograft-transplantation-and-opening-wedge-tibial-osteotomy-clinical-results-of-a-combined-single-procedure
#3
Albert C Hsu, Luis E P Tirico, Abraham G Lin, Pamela A Pulido, William D Bugbee
Objective To evaluate the outcome of patients who have undergone simultaneous osteotomy and osteochondral allograft (OCA) transplantation. Our hypothesis is that use of high tibial osteotomy and fresh OCA in a combined procedure is safe and effective without increasing morbidity in comparison to OCA alone. Design A case series of 17 patients underwent tibial osteotomy and simultaneous OCA during a single surgery. Osteotomy was indicated when axial alignment was within the affected compartment. Patients had a minimum of 2 years of follow-up after surgery...
May 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28529014/comparative-prospective-study-between-medial-and-lateral-distal-tibial-locking-compression-plates-for-distal-third-tibial-fractures
#4
Sandeep Garg, Vikram Khanna, Mahaveer Prashad Goyal, Narendra Joshi, Amrut Borade, Ishan Ghuse
PURPOSE: Tibial fracture is the most common long bone fracture. Distal third tibial fractures are challenging though open reduction and plating can result in anatomical reduction and rigid fixation. This paper aimed to evaluate and compare the results of medial and lateral locking compression plates for distal third tibial fractures. METHODS: This prospective clinical study involved 36 patients with distal tibial fractures admitted in Department of Orthopaedics, Sawai Mansingh Medical College & Affiliated Hospital, Jaipur, India, from June 2011 to May 2012, including 29 closed fractures and 7 open fractures at the mean age of 38...
April 14, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28528049/an-old-solution-for-a-new-problem-eloesser-flap-management-of-infected-defibrillator-patches
#5
Heidi B Schubmehl, Huan Huan Sun, Jessica S Donington, Deane E Smith, Eugene A Grossi
Cardiac surgery patients with infected implantable cardioverter defibrillator hardware face high morbidity with both surgical and nonoperative management options. We present a case of infected epicardial patch defibrillator leads in a patient with prohibitively high risk of death with open surgical removal. As a less morbid alternative, an Eloesser flap was used to convert his presenting mediastinal empyema necessitans into a chronic, manageable wound.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28523340/patient-and-surgical-characteristics-that-affect-revision-risk-in-dynamic-intraligamentary-stabilization-of-the-anterior-cruciate-ligament
#6
Philipp Henle, Kathrin S Bieri, Manuel Brand, Emin Aghayev, Jessica Bettfuehr, Janosch Haeberli, Martina Kess, Stefan Eggli
PURPOSE: Failure of dynamic intraligamentary stabilization (DIS) that requires revision surgery of the anterior cruciate ligament (ACL) has not been studied. The aim of this study was to investigate the incidence of revision ACL surgery, and the patient characteristics and surgery-related factors that are associated with an increased risk of ACL revision after DIS. METHODS: This study analysed a prospective, consecutively documented single-centre case series using standardized case report forms over a 2...
May 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28509409/soft-tissue-reconstruction-and-salvage-of-infected-fixation-hardware-in-lower-extremity-trauma
#7
Hyuma A Leland, Alexis D Rounds, Karen E Burtt, Daniel J Gould, Geoffrey S Marecek, Ram K Alluri, Ketan M Patel, Joseph N Carey
BACKGROUND: Tibial fracture management may be complicated by infection of internal fixation hardware (iIFH) resulting in increased morbidity and amputation rate. When iIFH removal is not possible, salvage of the lower extremity is attempted through debridement, antibiotics, and vascularized soft tissue coverage. This study investigates lower extremity salvage with retention of iIFH. METHODS: Demographics, outcomes, and bacterial speciation in patients with tibial fractures at a level 1 trauma center from 2007 to 2014 were reviewed...
May 16, 2017: Microsurgery
https://www.readbyqxmd.com/read/28508007/five-year-outcomes-after-treatment-for-acute-instability-of-the-tibiofibular-syndesmosis-using-a-suture-button-fixation-system
#8
Paul F Förschner, Knut Beitzel, Andreas B Imhoff, Stefan Buchmann, Georg Feuerriegel, Felix Hofmann, Dimitrios C Karampinos, Pia Jungmann, Jonas Pogorzelski
BACKGROUND: Suture-button repair is a widely accepted surgical treatment for acute and isolated ankle syndesmosis injuries. To our knowledge, midterm results have not previously been reported. PURPOSE: To evaluate the clinical, qualitative, and quantitative radiological midterm outcomes of suture-button repair after acute isolated ankle syndesmosis injuries. STUDY DESIGN: Retrospective case series; Level of evidence, 4. METHODS: Clinical outcomes were measured using the Foot and Ankle Disability Index (FADI) and the American Orthopaedic Foot and Ankle Society (AOFAS) score...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28507964/intra-articular-migration-of-broken-patellar-tension-band-wire-a-rare-case
#9
Satish Kumar Sharma, Sonendra Kumar Sharma, Mohammed Aslam, Gagan Naresh Chadha
INTRODUCTION: Comminuted fracture of patella is most commonly treated by tension band wiring with cerclage wiring. Broken cerclage wiring after such surgery is not uncommon but intra-articular migration of broken cerclage wire is rarely known and described complication. CASE REPORT: A 51-year-old male patient of Indian origin which was treated, 15 months back for fracture patella with tension band wiring with cerclage wiring, presented with painful restriction of knee movements for the last 4 weeks...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28500457/an-alternative-technique-for-greater-tuberosity-fractures-use-of-the-mesh-plate
#10
Yelena Bogdan, Elizabeth B Gausden, Robert Zbeda, David L Helfet, Dean G Lorich, David S Wellman
INTRODUCTION: Isolated greater tuberosity (GT) fractures (AO 11-A1) tend to occur in the younger patient population and are poorly managed by most precontoured proximal humerus locking plates. The goal of this study was to identify and assess an alternative treatment strategy for greater tuberosity fractures. MATERIALS AND METHODS: A retrospective review of all cases of isolated greater tuberosity fractures treated with a 2.4/2.7 mesh plate (Synthes) between 2010 and 2015 was conducted...
May 12, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28492599/allergic-reaction-to-vanadium-causes-a-diffuse-eczematous-eruption-and-titanium-alloy-orthopedic-implant-failure
#11
Sally Engelhart, Robert J Segal
Allergy as a cause of adverse outcomes in patients with implanted orthopedic hardware is controversial. Allergy to titanium-based implants has not been well researched, as titanium is traditionally thought to be inert. We highlight the case of a patient who developed systemic dermatitis and implant failure after surgical placement of a titanium alloy (Ti6Al4V) plate in the left foot. The hardware was removed and the eruption cleared in the following weeks. The plate and screws were submitted for metal analysis...
April 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28486230/the-rise-of-expanded-hemodialysis
#12
Claudio Ronco
The low water permeability feature of original cellulosic membranes was considered an advantage in the absence of dialysis equipment that are capable of controlling water removal. The advent of ultrafiltration control systems led to the development and use of high-flux (HF) membranes that allowed improved middle molecule removal including β-2 microglobulin. Further advances in technology allowed better control over the structure and permeability of membranes. Different polymers and improved spinning modalities led to significant advances in solute removal and hemocompatibility...
May 10, 2017: Blood Purification
https://www.readbyqxmd.com/read/28481320/a-method-of-sky-ripple-residual-nonuniformity-reduction-for-a-cooled-infrared-imager-and-hardware-implementation
#13
Yiyang Li, Weiqi Jin, Shuo Li, Xu Zhang, Jin Zhu
Cooled infrared detector arrays always suffer from undesired ripple residual nonuniformity (RNU) in sky scene observations. The ripple residual nonuniformity seriously affects the imaging quality, especially for small target detection. It is difficult to eliminate it using the calibration-based techniques and the current scene-based nonuniformity algorithms. In this paper, we present a modified temporal high-pass nonuniformity correction algorithm using fuzzy scene classification. The fuzzy scene classification is designed to control the correction threshold so that the algorithm can remove ripple RNU without degrading the scene details...
May 8, 2017: Sensors
https://www.readbyqxmd.com/read/28478898/what-is-the-hardware-removal-rate-after-anteroinferior-plating-of-the-clavicle-a-retrospective-cohort-study
#14
Thomas P A Baltes, Johanna C E Donders, Peter Kloen
BACKGROUND: Plate position in the operative treatment of displaced midshaft clavicle fractures or nonunions is most often on the superior side. However, superior clavicular plating often results in complaints of plate prominence and local soft tissue irritation, necessitating hardware removal. We have used anteroinferior placement of the plate in the hope of increasing biomechanical stability and fixation and also of lowering complaints of plate prominence and soft tissue irritation. In this report, we set out to study the percentage of hardware removal in our group of patients treated with anteroinferior plating of the clavicle after long-term follow-up...
May 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28476385/surgical-management-of-fifth-metatarsal-diaphyseal-fractures-a-retrospective-outcomes-study
#15
Patrick Thompson, Vivek Patel, Lawrence M Fallat, Robert Jarski
Fifth metatarsal diaphyseal fractures are a common injury treated by foot and ankle surgeons. The limited data on this specific fracture type has promoted nonoperative treatment with immobilization. The primary objective of the present study was to record the radiographic healing time of fifth metatarsal diaphyseal fractures after surgical intervention and present the specific fracture characteristics. The medical records of a series of 64 patients with surgically managed fifth metatarsal diaphyseal fractures were retrospectively reviewed...
May 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28453341/the-scaphoid-staple-a-systematic-review
#16
John Dunn, Nicholas Kusnezov, Austin Fares, Justin Mitchell, Miguel Pirela-Cruz
BACKGROUND: The purpose of this systematic review is to analyze the indications, outcomes, and complications of scaphoid fixation with a staple. METHODS: The literature was reviewed for all cases of the scaphoid staple. Five articles including 188 patients, of 77 primary scaphoid fractures and 111 other indications that included delayed union, nonunion, and avascular necrosis, were reviewed. Demographic data, outcomes, and complications were recorded. RESULTS: The union rate of the scaphoid staple is 94...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28443007/neuroimaging-of-human-balance-control-a-systematic-review
#17
REVIEW
Ellen Wittenberg, Jessica Thompson, Chang S Nam, Jason R Franz
This review examined 83 articles using neuroimaging modalities to investigate the neural correlates underlying static and dynamic human balance control, with aims to support future mobile neuroimaging research in the balance control domain. Furthermore, this review analyzed the mobility of the neuroimaging hardware and research paradigms as well as the analytical methodology to identify and remove movement artifact in the acquired brain signal. We found that the majority of static balance control tasks utilized mechanical perturbations to invoke feet-in-place responses (27 out of 38 studies), while cognitive dual-task conditions were commonly used to challenge balance in dynamic balance control tasks (20 out of 32 studies)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28441281/incarcerated-medial-epicondyle-fractures-with-elbow-dislocation-risk-factors-associated-with-morbidity
#18
Carley Vuillermin, Kyna S Donohue, Patricia Miller, Andrea S Bauer, Dennis E Kramer, Yi-Meng Yen
BACKGROUND: Incarcerated medial epicondyle fractures in association with elbow trauma are rare and an absolute indication for intervention. Because of the infrequent nature, outcomes following this injury are not well documented. We studied a large cohort of these injuries to determine factors associated with functional outcomes. It was hypothesized that a greater duration between initial presentation and time of surgery would lead to poorer outcomes. METHODS: A total of 32 patients aged 18 and under who underwent surgical treatment for an incarcerated medical epicondyle fracture at a level-1 pediatric trauma center from 2003 to 2015 were identified...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28434833/metaphyseal-versus-diaphyseal-ulnar-shortening-osteotomy-for-treatment-of-ulnar-impaction-syndrome-a-comparative-study
#19
Alejandro Marquez-Lara, Fiesky A Nuñez, Tunc Kiymaz, Fiesky A Nuñez, Zhongyu Li
PURPOSE: To compare the clinical and radiographic outcomes and complication rates of diaphyseal and metaphyseal ulnar shortening osteotomies for the treatment of ulnar abutment syndrome. METHODS: We performed a retrospective study comparing 35 patients who underwent either a metaphyseal (n = 14) or diaphyseal (n = 21) osteotomy. Radiographic and clinical outcomes were compared. Complication rates including infection, hardware removal, and reoperations were also assessed...
April 20, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28433504/intensification-of-ultrasonic-assisted-crude-oil-demulsification-based-on-acoustic-field-distribution-data
#20
Matheus F Pedrotti, Michele S P Enders, Leticia S F Pereira, Marcia F Mesko, Erico M M Flores, Cezar A Bizzi
Water removal is an essential step during crude oil production due to several problems such as increased transportation costs and high corrosion rate due to dissolved salts. Indirect low frequency ultrasonic energy (US), using baths, has been recently proposed as an effective alternative for crude oil demulsification. However, the reactor position during sonication and its influence on the demulsification efficiency for crude oil has not been evaluated. In this sense, the aim of this study was to develop an automated system based on an open source hardware for mapping the acoustic field distribution in an US bath operating at 35kHz using a hydrophone...
April 2, 2017: Ultrasonics Sonochemistry
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