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Direct Anterior Approach

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https://www.readbyqxmd.com/read/28231241/hydrocephalus-and-arthrogryposis-in-an-immunocompetent-mouse-model-of-zika-teratogeny-a-developmental-study
#1
Jose Xavier-Neto, Murilo Carvalho, Bruno Dos Santos Pascoalino, Alisson Campos Cardoso, Ângela Maria Sousa Costa, Ana Helena Macedo Pereira, Luana Nunes Santos, Ângela Saito, Rafael Elias Marques, Juliana Helena Costa Smetana, Silvio Roberto Consonni, Carla Bandeira, Vivian Vasconcelos Costa, Marcio Chaim Bajgelman, Paulo Sérgio Lopes de Oliveira, Marli Tenorio Cordeiro, Laura Helena Vega Gonzales Gil, Bianca Alves Pauletti, Daniela Campos Granato, Adriana Franco Paes Leme, Lucio Freitas-Junior, Carolina Borsoi Moraes Holanda de Freitas, Mauro Martins Teixeira, Estela Bevilacqua, Kleber Franchini
The teratogenic mechanisms triggered by ZIKV are still obscure due to the lack of a suitable animal model. Here we present a mouse model of developmental disruption induced by ZIKV hematogenic infection. The model utilizes immunocompetent animals from wild-type FVB/NJ and C57BL/6J strains, providing a better analogy to the human condition than approaches involving immunodeficient, genetically modified animals, or direct ZIKV injection into the brain. When injected via the jugular vein into the blood of pregnant females harboring conceptuses from early gastrulation to organogenesis stages, akin to the human second and fifth week of pregnancy, ZIKV infects maternal tissues, placentas and embryos/fetuses...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28229036/direct-surgery-of-previously-coiled-large-internal-carotid-ophthalmic-aneurysm-for-the-purpose-of-optic-nerve-decompression
#2
Shuhei Kawabata, Shingo Toyota, Tetsuya Kumagai, Tetsu Goto, Kanji Mori, Takuyu Taki
Background Progressive visual loss after coil embolization of a large internal carotid ophthalmic aneurysm has been widely reported. It is generally accepted that the primary strategy for this complication should be conservative, including steroid therapy; however, it is not well known as to what approach to take when the conservative therapy is not effective. Case Presentation We report a case of a 55-year-old female presenting with progressive visual loss after the coiling of a ruptured large internal carotid ophthalmic aneurysm...
January 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28222211/the-learning-curve-for-the-direct-anterior-approach-for-total-hip-arthroplasty-a-single-surgeon-s-first-500-cases
#3
James M Hartford, Michael J Bellino
BACKGROUND: Concerns arise over the early complications encountered during the learning curve for the direct anterior approach for total hip arthroplasty. PURPOSE: The purpose of this study is to examine the learning experience of a single surgeon in adapting this approach. METHODS: The 1st 500 primary total hip arthroplasties are reviewed. The patients were evaluated out to 3 months. Rates of major complications, reoperations, periprosthetic fractures, heterotopic ossification, leg length discrepancies and lateral femoral cutaneous nerve deficits were identified for each of 100 patients...
February 17, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28215460/early-experience-with-lateral-lumbar-total-disc-replacement-utility-complications-and-revision-strategies
#4
Gregory M Malham, Rhiannon M Parker
Lumbar total disc replacement (TDR) is an alternative to interbody fusion for the treatment of symptomatic degenerative disc disease. Traditionally, lumbar TDR is performed via an anterior retroperitoneal approach with regional risks of vascular and visceral injury. The direct lateral retroperitoneal, transpsoas approach avoids mobilisation of the great vessels and preserves the anterior longitudinal ligament, thereby maintaining physiological limits on motion. This study aimed to (i) report one site's early experience with lateral lumbar TDR and (ii) provide case examples illustrating the utility, complications and revision strategies of the XL-TDR device...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28207238/real-time-monitoring-of-post-surgical-and-post-traumatic-eye-injuries-using-multi-layered-electrical-biosensor-chip
#5
Muhammad Shuja Khan, Santosh K Misra, Aaron Schwartz-Duval, Enrique A Daza, Fatemeh Ostadhossein, Matthew Bowman, Akshay Jain, Gina Taylor, Deana McDonagh, Leanne T Labriola, Dipanjan Pan
Lack of current techniques for the early monitoring of bleb leaks and other post-traumatic or post-surgical ocular injury has posed an unmet clinical need for the development of new techniques. Present evaluation techniques use either subjective or non-quantitative approaches. At present, there are no FDA approved ocular devices that can directly measure ascorbic acid (AA) concentration levels for both tear film (TF) and aqueous humor (AH) at point-of-care (POC) level. Toward this aim, we present a novel point-of-care (POC) quantitative assay, called the Ocular Biosensor device, which can be used to evaluate the integrity of the anterior surface of the eye by measuring the concentration of AA in TF and AH...
February 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28207197/changing-the-surgical-dogma-in-frontal-sinus-trauma-transnasal-endoscopic-repair
#6
Jessica W Grayson, Hari Jeyarajan, Elisa A Illing, Do-Yeon Cho, Kristen O Riley, Bradford A Woodworth
BACKGROUND: Management of frontal sinus trauma includes coronal or direct open approaches through skin incisions to either ablate or obliterate the frontal sinus for posterior table fractures and openly reduce/internally fixate fractured anterior tables. The objective of this prospective case-series study was to evaluate outcomes of frontal sinus anterior and posterior table trauma using endoscopic techniques. METHODS: Prospective evaluation of patients undergoing surgery for frontal sinus fractures was performed...
February 16, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28202301/preoperative-assessment-of-the-ureter-with-dual-phase-contrast-enhanced-computed-tomography-for-lateral-lumbar-interbody-fusion-procedures
#7
Shunsuke Fujibayashi, Bungo Otsuki, Hiroaki Kimura, Shimei Tanida, Kazutaka Masamoto, Shuichi Matsuda
BACKGROUND: Performing the minimally invasive lateral lumbar interbody fusion (LIF), such as the extreme lateral interbody fusion (XLIF) and oblique lateral interbody fusion (OLIF), through a retroperitoneal approach has become increasingly popular. Although urological injury is a major complication of LIF, the anatomical location of the ureter and its risk of injury have not been assessed. The purpose of this study was to evaluate the efficacy of dual-phase contrast-enhanced computed tomography for assessing the location of the ureter and risk of its injury in consecutive LIF cases...
February 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28198793/proximity-and-risks-of-the-anterior-neurovascular-and-tendinous-anatomy-of-the-distal-leg-relative-to-anteriorly-applied-distal-locking-screws-for-tibia-nailing-a-plea-for-open-insertion
#8
Phillip M Mitchell, Cory A Collinge, Eric Barcak, Edward Perez, Kostas Triantafillou
PURPOSE: To determine the proximity and potential risks to distal leg anatomy from anterior to posteriorly (A-P) applied distal tibia locking screws for tibial nailing. DESIGN: Retrospective. SETTING: ACS level I trauma center. PATIENTS/PARTICIPANTS: Twenty consecutive adult patients undergoing computed tomograms with intravenous contrast (CTAs) on uninjured legs. MAIN OUTCOME MEASUREMENTS: Simulated 5 mm distal interlocking screws placed in the A-P axis of an ideally placed tibial nail at 10 mm increments from the tibial plafond (10 to 40mm) were studied in relation to the distal leg's anterior anatomy...
February 14, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28192269/anterior-transposition-of-anomalous-tortuous-vertebral-artery-causing-cervical-radiculopathy-a-report-of-2-cases-and-review-of-literature
#9
Doris D Wang, Jan-Karl Burkhardt, Stephen T Magill, Michael T Lawton
BACKGROUND: Cervical radiculopathy secondary to compression from vertebral artery (VA) tortuosity is a rare entity. OBJECTIVE: To describe successful transposition of tortuous VA loops causing cervical radiculopathy through an anterolateral approach. METHODS: Two patients with cervical radiculopathy (first case at C5-6 and second case at C3-4) secondary to anomalous VA loop compression underwent anterolateral approaches to the cervical spine for decompression and VA transposition...
February 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28186870/total-hip-arthroplasty-via-the-direct-anterior-approach-with-kerboull-type-acetabular-reinforcement-device-for-an-elderly-female-with-factor-xi-deficiency
#10
Kei Sano, Yasuhiro Homma, Tomonori Baba, Jun Ando, Mikio Matsumoto, Hideo Kobayashi, Takahito Yuasa, Kazuo Kaneko
We present a case of successful and uncomplicated total hip arthroplasty with an acetabular reinforcement device in an elderly patient with hip osteoarthritis already diagnosed with factor XI deficiency, which is a very rare bleeding disorder and at high risk of post-operative haemorrhage, and it poses a substantial challenge to surgeons as a consequence of the specific risks of infection and fixation failure. Moreover, bone fragility in elderly patient increases potential risk of adverse event. Fresh frozen plasma was used to supplement factor XI activity...
2017: SICOT-J
https://www.readbyqxmd.com/read/28165601/bikini-versus-traditional-incision-direct-anterior-approach-is-there-any-difference-in-soft-tissue-damage
#11
Brent A Lanting, Kirk C Hartley, Adam J Raffoul, Timothy A Burkhart, Lyndsay Sommerville, Glynn R Martin, James L Howard, Marjorie Johnson
INTRODUCTION: The direct anterior approach for total hip replacements has reported advantages of improved early function and muscle preservation. In an effort to improve healing and cosmesis, a change in the orientation of the incision has been proposed. Traditionally, the skin incision is in-line with the tensor fasciae latae muscle belly. The bikini incision is orthogonal to this orientation. The hypothesis was that muscle damage would be increased by using the bikini incision. METHODS: A traditional or bikini incision was performed on 18 cadaveric hips...
February 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28163141/probabilistic-conversion-of-neurosurgical-dbs-electrode-coordinates-into-mni-space
#12
Andreas Horn, Andrea A Kühn, Angela Merkl, Ludy Shih, Ron Alterman, Michael Fox
In neurosurgical literature, findings such as deep brain stimulation (DBS) electrode positions are conventionally reported in relation to the anterior and posterior commissures of the individual patient (AC/PC coordinates). However, the neuroimaging literature including neuroanatomical atlases, activation patterns, and brain connectivity maps has converged on a different population-based standard (MNI coordinates). Ideally, one could relate these two literatures by directly transforming MRIs from neurosurgical patients into MNI space...
February 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28161234/acute-common-femoral-artery-lesion-after-direct-anterior-approach-for-tha-a-case-report-and-literature-review
#13
Giuseppe Marongiu, Stefano Rigotti, Antonio Campacci, Claudio Zorzi
No abstract text is available yet for this article.
February 1, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28154824/ultrasound-guided-quadratus-lumborum-block-an-updated-review-of-anatomy-and-techniques
#14
REVIEW
Hironobu Ueshima, Hiroshi Otake, Jui-An Lin
Purpose of Review. Since the original publication on the quadratus lumborum (QL) block, the technique has evolved significantly during the last decade. This review highlights recent advances in various approaches for administering the QL block and proposes directions for future research. Recent Findings. The QL block findings continue to become clearer. We now understand that the QL block has several approach methods (anterior, lateral, posterior, and intramuscular) and the spread of local anesthetic varies with each approach...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28139489/reverse-twin-block-for-interceptive-management-of-developing-class-iii-malocclusion
#15
Meenu Mittal, Harpreet Singh, Ashok Kumar, Poonam Sharma
Early correction of developing class III malocclusions remains a complex challenge. Treatment approaches for these young patients have been directed at growth modification. Encouraging outcomes have been reported with the use of Class III functional appliances including reverse twin block (RTB) appliance. The present paper tries to provide an insight into RTB appliance used for successful interceptive management of developing class III malocclusion in two children. RTBs were fabricated with bite registered in the position of maximum possible retrusion of mandible with interincisal clearance of 2 mm and vertical clearance of 5 mm in the buccal segments...
January 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28138040/comparative-effects-of-ly3020371-a-potent-and-selective-mglu2-3-receptor-antagonist-and-ketamine-a-non-competitive-nmda-receptor-antagonist-in-rodents-evidence-supporting-use-for-the-treatment-of-depression
#16
Jeffrey M Witkin, Stephen Mitchell, Keith Wafford, Guy Carter, Gary Gilmour, Jennifer Li, Brian Eastwood, Carl Overshiner, Xia Li, Linda Rorick-Kehn, Kurt Rasmussen, Wesley Anderson, Alexander Nikolayev, Vladamir Tolstikov, Ming-Shang Kuo, John Catlow, Renhua Li, Stephen Smith, Charles Mitch, Paul Ornstein, Stephen Swanson, James Monn
The ability of the NMDA receptor antagonist ketamine to alleviate symptoms in patients suffering from treatment resistant depression (TRD) is well documented. In this report, we directly compare in vivo biological responses in rodents elicited by a recently discovered mGlu2/3 receptor antagonist (LY3020371) with those produced by ketamine. Both LY3020371 and ketamine increased the number of spontaneously active DA cells in the ventral tegmental area of anesthetized rats, increased O2 in the anterior cingulate cortex, promoted wakefulness, enhanced the efflux of biogenic amines in the prefrontal cortex, and produced antidepressant-related behavioral effects in SSRI-sensitive and -insensitive rodent models...
January 30, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28137262/direct-anterior-approach-for-total-hip-arthroplasty-with-a-novel-mobile-traction-table-a-prospective-cohort-study
#17
Junichi Nakamura, Shigeo Hagiwara, Sumihisa Orita, Ryuichiro Akagi, Takane Suzuki, Masahiko Suzuki, Kazuhisa Takahashi, Seiji Ohtori
BACKGROUND: The purpose of this prospective cohort study was to clarify the safety and efficacy of total hip arthroplasty via the direct anterior approach in the supine position with a novel mobile traction table. METHODS: The first experience of consecutive surgeries by a single surgeon using the direct anterior approach with a traction table is described with a two-year follow-up period. Of 121 patients, 100 patients without previous hip surgeries, severe deformity, or cemented implants were divided into two groups comprising the first 50 patients and the second 50 patients...
January 31, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28128694/the-rectus-capitis-lateralis-and-the-condylar-triangle-important-landmarks-in-posterior-and-lateral-approaches-to-the-jugular-foramen
#18
Michael A Cohen, Alexander I Evins, Gennaro Lapadula, Leopold Arko, Philip E Stieg, Antonio Bernardo
OBJECTIVE The rectus capitis lateralis (RCL) is a small posterior cervical muscle that originates from the transverse process of C-1 and inserts onto the jugular process of the occipital bone. The authors describe the RCL and its anatomical relationships, and discuss its utility as a surgical landmark for safe exposure of the jugular foramen in extended or combined skull base approaches. In addition, the condylar triangle is defined as a landmark for localizing the vertebral artery (VA) and occipital condyle...
January 27, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28128689/symmetry-of-the-arcuate-fasciculus-and-its-impact-on-language-performance-of-patients-with-brain-tumors-in-the-language-dominant-hemisphere
#19
Margit Jehna, Juliane Becker, Karla Zaar, Gord von Campe, Kariem Mahdy Ali, Gernot Reishofer, Franz Payer, Michael Synowitz, Franz Fazekas, Christian Enzinger, Hannes Deutschmann
OBJECTIVE Cerebral damage in frontal, parietal, and temporal brain areas and, probably more importantly, their interconnections can lead to deficits in language. However, neural plasticity and repair allow the brain to partly compensate for neural injury, mediated by both functional and structural changes. In this study, the authors sought to systematically investigate the relationship between language performance in brain tumor patients and structural perisylvian pathways (i.e., the arcuate fasciculus [AF]) using probabilistic fiber tracking on diffusion tensor imaging...
January 27, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28125523/machine-learning-based-classification-of-38-years-of-spine-related-literature-into-100-research-topics
#20
David C Sing, Lionel N Metz, Stefan Dudli
STUDY DESIGN: Retrospective review. OBJECTIVE: To identify the top 100 spine research topics. SUMMARY OF BACKGROUND DATA: Recent advances in "machine learning," or computers learning without explicit instructions, have yielded broad technological advances. Topic modeling algorithms can be applied to large volumes of text to discover quantifiable themes and trends. METHODS: Abstracts were extracted from the National Library of Medicine PubMed database from five prominent peer-reviewed spine journals (European Spine Journal [ESJ], The Spine Journal [SpineJ], Spine, Journal of Spinal Disorders and Techniques [JSDT], Journal of Neurosurgery: Spine [JNS])...
January 25, 2017: Spine
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