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Direct Anterior Approach

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https://www.readbyqxmd.com/read/27911460/retrospective-comparison-of-two-different-approaches-for-ultrasound-guided-internal-jugular-vein-cannulation-in-hemodialysis-patients
#1
Antonio Treglia, Dario Musone, Francesco Amoroso
BACKGROUND: Prevalent hemodialysis patients with vascular access consisting of a central venous catheter (CVC) are continuously increasing over the years. Improvement in evolution and CVC placement procedures represents therefore an essential tool to enhance performance and reduce intraoperative and long-term CVC complications. Internal jugular vein (IJV) catheterization techniques are different according to ultrasound probe position in relation to vein axis and to needle direction in relation to ultrasound beam...
December 2, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27909671/endoscopic-resection-of-the-tibialis-anterior-tendon-bursa
#2
Tun Hing Lui
The tibialis anterior tendon bursa is located between the tibialis anterior tendon and the medial cuneiform bone and close to the tendon insertion. Bursitis can occur as a result of excessive local friction, infection, arthritides, or direct trauma. Endoscopic resection of the bursa is indicated in case of symptomatic bursitis that is not responding to conservative treatment or infection is suspected. It is contraindicated if there is skin infection at the portal sites. The purpose of this technical note is to describe a minimally invasive approach of endoscopic resection of the tibialis anterior tendon bursa through anterior tibial tendoscopy...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27903207/direct-cerebral-perfusion-and-cooling-in-experimental-cardiac-arrest
#3
Rinaldo Bellomo, Bruno Marino, Peter Angelopoulos, Scott Carson, Glenn Eastwood, Junko Kosaka, Naoya Iguchi, Andrew Hilton, Clive May
BACKGROUND: Cerebral protection is a key priority during cardiac arrest (CA). However, current approaches are suboptimal. OBJECTIVE: To test whether direct perfusion and cooling of the anterior cerebral circulation by means of cerebral vessel cannulation and extracorporeal membrane oxygenation (ECMO) increases cerebral oxygenation and induces cerebral hypothermia during CA. METHODS: We performed proof-of-concept animal experiments in sheep...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27888345/robust-thalamic-nuclei-segmentation-method-based-on-local-diffusion-magnetic-resonance-properties
#4
Giovanni Battistella, Elena Najdenovska, Philippe Maeder, Naghmeh Ghazaleh, Alessandro Daducci, Jean-Philippe Thiran, Sébastien Jacquemont, Constantin Tuleasca, Marc Levivier, Meritxell Bach Cuadra, Eleonora Fornari
The thalamus is an essential relay station in the cortical-subcortical connections. It is characterized by a complex anatomical architecture composed of numerous small nuclei, which mediate the involvement of the thalamus in a wide range of neurological functions. We present a novel framework for segmenting the thalamic nuclei, which explores the orientation distribution functions (ODFs) from diffusion magnetic resonance images at 3 T. The differentiation of the complex intra-thalamic microstructure is improved by using the spherical harmonic (SH) representation of the ODFs, which provides full angular characterization of the diffusion process in each voxel...
November 25, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27886354/a-retrospective-analysis-of-the-merits-and-challenges-associated-with-simultaneous-bilateral-tha-using-the-direct-anterior-approach
#5
Matthew L Brown, Johannes F Plate, David C Holst, Daniel N Bracey, Matthew W Bullock, Jason E Lang
INTRODUCTION: 15%-20% of patients presenting for total hip arthroplasty (THA) have bilateral disease. While simultaneous bilateral THA is of interest to patients and surgeons, debate persists regarding its merits. The majority of previous reports on simultaneous bilateral THA involve patients in the lateral decubitus position, which require repositioning, prepping and draping, and exposure of a fresh wound to pressure and manipulation for the contralateral THA. The purpose of this study was to compare complications, component position, and financial parameters for simultaneous versus staged bilateral THAs using the direct anterior approach (DAA)...
November 14, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27876253/the-impact-of-surgical-technique-on-patient-reported-outcome-measures-and-early-complications-after-total-hip-arthroplasty
#6
Udai S Sibia, Timothy R Turner, James H MacDonald, Paul J King
BACKGROUND: This study examines patient and surgeon reported outcome measures, complications during index admission, length of stay (LOS), and discharge disposition in a series of total hip replacements (THR) performed via the direct anterior (DA) or posterolateral (PL) approach. METHODS: Five surgeons performed 2698 total hip replacements (1457 DA vs 1241 PL) between January 2010 and June 2015. Complications during index admission were recorded using billing and claims data...
November 1, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27875415/a-posterior-oblique-approach-to-the-lumbar-disk-spaces-vertebral-bodies-and-lumbar-plexus-a-cadaveric-feasibility-study
#7
Alexander Spiessberger, Fabian Baumann, Martin Häusler, Frank Rühli, Javier Fandino, Carl Muroi
STUDY DESIGN: A laboratory cadaveric study. OBJECTIVE: We aimed to demonstrate the feasibility of a posterior oblique approach, sharing the same advantages as the transpsoas technique while minimizing the risk of lumbar plexus or psoas muscle injuries. SUMMARY OF BACKGROUND DATA: The transpsoas approach for interbody fusion and corpectomy offers advantages over posterior and anterior approaches. However, possible risks include traumatization of the psoas muscle or lumbar plexus...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27872126/multiple-ligament-reconstruction-femoral-tunnels-intertunnel-relationships-and-guidelines-to-avoid-convergence
#8
Gilbert Moatshe, Alex W Brady, Erik L Slette, Jorge Chahla, Travis Lee Turnbull, Lars Engebretsen, Robert F LaPrade
BACKGROUND: Knee dislocations often require multiple concurrent ligament reconstructions, which involve creating several tunnels in the distal femur. Therefore, the risk of tunnel convergence is increased because of the limited bone volume within the distal aspect of the femur. PURPOSE: To assess the risk of tunnel convergence and determine the optimal reconstruction tunnel orientations for multiple ligament reconstructions in the femur. STUDY DESIGN: Descriptive laboratory study...
November 21, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27869141/fronto-striatal-glutamate-in-autism-spectrum-disorder-and-obsessive-compulsive-disorder
#9
Jilly Naaijen, Marcel P Zwiers, Houshang Amiri, Steven Cr Williams, Sarah Durston, Bob Oranje, Daniel Brandeis, Regina Boecker-Schlier, Matthias Ruf, Isabella Wolf, Tobias Banaschewski, Jeffrey C Glennon, Barbara Franke, Jan K Buitelaar, David J Lythgoe
Autism spectrum disorders (ASD) and obsessive compulsive disorder (OCD) are often comorbid with the overlap based on compulsive behaviors. Although previous studies suggest glutamatergic deficits in fronto-striatal brain areas in both disorders, this is the first study to directly compare the glutamate concentrations across the two disorders with those in healthy control participants using both categorical and dimensional approaches. In the current multi-center study (four centers), we used proton magnetic resonance spectroscopy (1H MRS) in 51 children with ASD, 29 with OCD, and 53 healthy controls (aged 8 to 13 years) to investigate glutamate (Glu) concentrations in two regions of the fronto-striatal circuit: midline anterior cingulate cortex (ACC) and left dorsal striatum...
November 21, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27858574/quantitative-anatomical-analysis-and-clinical-experience-with-mini-pterional-and-mini-orbitozygomatic-approaches-for-intracranial-aneurysm-surgery
#10
Kaan Yagmurlu, Sam Safavi-Abbasi, Evgenii Belykh, M Yashar S Kalani, Peter Nakaji, Albert L Rhoton, Robert F Spetzler, Mark C Preul
OBJECTIVE The aim of this investigation was to modify the mini-pterional and mini-orbitozygomatic (mini-OZ) approaches in order to reduce the amount of tissue traumatization caused and to compare the use of the 2 approaches in the removal of circle of Willis aneurysms based on the authors' clinical experience and quantitative analysis. METHODS Three formalin-fixed adult cadaveric heads injected with colored silicone were examined. Surgical freedom and angle of attack of the mini-pterional and mini-OZ approaches were measured at 9 anatomical points, and the measurements were compared...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27858571/endoscopic-transorbital-route-to-the-cavernous-sinus-through-the-meningo-orbital-band-a-descriptive-anatomical-study
#11
Iacopo Dallan, Alberto Di Somma, Alberto Prats-Galino, Domenico Solari, Isam Alobid, Mario Turri-Zanoni, Giacomo Fiacchini, Paolo Castelnuovo, Giuseppe Catapano, Matteo de Notaris
OBJECTIVE Exposure of the cavernous sinus is technically challenging. The most common surgical approaches use well-known variations of the standard frontotemporal craniotomy. In this paper the authors describe a novel ventral route that enters the lateral wall of the cavernous sinus through an interdural corridor that includes the removal of the greater sphenoid wing via a purely endoscopic transorbital pathway. METHODS Five human cadaveric heads (10 sides) were dissected at the Laboratory of Surgical NeuroAnatomy of the University of Barcelona...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27857682/functional-connectivity-substrates-for-tdcs-response-in-minimally-conscious-state-patients
#12
Carlo Cavaliere, Marco Aiello, Carol Di Perri, Enrico Amico, Charlotte Martial, Aurore Thibaut, Steven Laureys, Andrea Soddu
Transcranial direct current stimulation (tDCS) is a non-invasive technique recently employed in disorders of consciousness, and determining a transitory recovery of signs of consciousness in almost half of minimally conscious state (MCS) patients. Although the rising evidences about its possible role in the treatment of many neurological and psychiatric conditions exist, no evidences exist about brain functional connectivity substrates underlying tDCS response. We retrospectively evaluated resting state functional Magnetic Resonance Imaging (fMRI) of 16 sub-acute and chronic MCS patients (6 tDCS responders) who successively received a single left dorsolateral prefrontal cortex (DLPFC) tDCS in a double-blind randomized cross-over trial...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27853816/total-hip-arthroplasty-using-direct-anterior-approach-and-dual-mobility-cup-safe-and-efficient-strategy-against-post-operative-dislocation
#13
Cécile Batailler, Camdon Fary, Pierre Batailler, Elvire Servien, Philippe Neyret, Sébastien Lustig
AIM: We hypothesize that a dual mobility cup can be safely used via the direct anterior approach, without increasing the risk of complications or incorrect positioning. MATERIALS AND METHODS: This retrospective study compared 201 primary total hip arthroplasties using a dual mobility cup performed via direct anterior approach without a traction table, to 101 arthroplasties performed via posterolateral approach. Implant positioning, function scores, and early complications were recorded...
November 16, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27849521/low-cost-methodology-for-skin-strain-measurement-of-a-flexed-biological-limb
#14
Bevin Lin, Kevin M Moerman, Connor G McMahan, Kenneth A Pasch, Hugh M Herr
OBJECTIVE: The purpose of this manuscript is to compute skin strain data from a flexed biological limb, using portable, inexpensive, and easily-available resources. METHODS: We apply and evaluate this approach on a person with bi-lateral transtibial amputations, imaging left and right residual limbs in extended and flexed knee postures. We map 3D deformations to a flexed biological limb using freeware and a simple point-and-shoot camera. Mean principal strain, maximum shear strain, as well as lines of maximum, minimum, and non-extension are computed from 3D digital models to inform directional mappings of the strain field for an unloaded residual limb...
November 10, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27846875/the-design-of-a-randomised-controlled-trial-to-evaluate-the-cost-effectiveness-of-the-posterolateral-versus-the-direct-anterior-approach-for-tha-polada-trial
#15
K Rykov, I H F Reininga, B A S Knobben, M S Sietsma, B L E F Ten Have
BACKGROUND: Total hip arthroplasty (THA) is one of the most successful orthopaedic procedures. Because of the increasing number of THAs, a growing demand for faster recovery and a greater emphasis on cost-effectiveness, minimally invasive THAs have been introduced in the last decades. The direct anterior approach is a minimally invasive, tissue-sparing approach in which intermuscular planes are used. Theoretically, this approach should result in a faster recovery of physical functioning and higher health-related quality of life...
November 15, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27843039/the-direct-anterior-approach-is-associated-with-early-revision-total-hip-arthroplasty
#16
Shuichi Eto, Katherine Hwang, James I Huddleston, Derek F Amanatullah, William J Maloney, Stuart B Goodman
BACKGROUND: The direct anterior approach for total hip arthroplasty (THA) has generated increased interest recently. The purpose of this study was to compare the duration to failure and reasons for revision of primary THA performed elsewhere and subsequently revised at our institution after the direct anterior vs other nonanterior surgical approaches to the hip. METHODS: All primary THAs performed elsewhere and referred to our institution for revision were divided into the direct anterior approach (30 cases) or nonanterior approach groups (100 cases, randomly selected from 453 cases) based on the original surgical approach...
October 8, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27842584/risk-of-infection-in-primary-elective-total-hip-arthroplasty-with-direct-anterior-approach-or-lateral-transgluteal-approach-a-prospective-cohort-study-of-1104-hips
#17
Thomas Ilchmann, Werner Zimmerli, Lilianna Bolliger, Peter Graber, Martin Clauss
BACKGROUND: The direct anterior approach (DAA) is increasingly popular for hip replacement. However, the small incision and the location near to the groin might increase the risk of periprosthetic joint infection (PJI). We asked the questions (i) whether there is an increased risk of infection for this approach, and (ii) whether the spectrum of microorganisms differs between patients with DAA and those with lateral transgluteal approach (LAT). METHODS: All patients operated between 08/2006 and 12/2013 were followed prospectively in an in house register...
November 14, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27837328/in-total-hip-arthroplasty-via-the-direct-anterior-approach-a-dual-mobility-cup-prevents-dislocation-as-effectively-in-hip-fracture-as-in-osteoarthritis
#18
Yasuhiro Homma, Tomonori Baba, Yu Ozaki, Taiji Watari, Hideo Kobayashi, Hironori Ochi, Mikio Matsumoto, Kazuo Kaneko
PURPOSE: The main purpose of this study was to compare the outcome of total hip arthroplasty (THA) via the direct anterior approach (DAA) using a dual-mobility cup (DMC) in patients with femoral neck fracture to those in patients undergoing elective THA for osteoarthritis. PATIENTS AND METHODS: We retrospectively investigated 40 hips with femoral neck fracture (group A), and 81 hips with osteoarthritis (group B). THA via the DAA using the DMC was performed in both groups...
November 11, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27831458/direct-anterior-approach-versus-posterolateral-approach-in-total-hip-arthroplasty%C3%A2-one-surgeon-two-approaches
#19
B Fransen, M Hoozemans, S Vos
Early research shows several advantages of the Direct Anterior Approach (DAA) in total hip arthroplasty (THA), although no studies evaluated the DAA on a regular operating table without using fluoroscopy. We performed a retrospective cohort study on the outcome of this variation of the DAA compared with the posterolateral approach (PLA) with one year follow-up. All procedures were uncemented THA performed in 2012 by a single surgeon. Patients in the DAA group (N = 45) had a lower Body Mass Index (p > ...
August 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/27822002/limited-benefits-of-the-direct-anterior-approach-in-primary-hip-arthroplasty-a-prospective-single-centre-cohort-study
#20
Jetse Jelsma, Rik Pijnenburg, Harm W Boons, Peter J M G Eggen, Lucas L A Kleijn, Herman Lacroix, Hub J Noten
BACKGROUND: Since years a discussion is held on the best approach to perform total hip replacement (THR). Risk of dislocation, abductor weakness and a possible difference in rehabilitation are mentioned. We performed this study to objectify that the use of the direct anterior approach (DAA) results in a faster rehabilitation after THR compared to the non-DAA (posterolateral and anterolateral) approach. METHODS: A single centre prospective cohort study was conducted...
March 2017: Journal of Orthopaedics
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