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Deformity correction

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https://www.readbyqxmd.com/read/29331289/titanium-scaffolding-an-innovative-modality-for-salvage-of-failed-first-ray-procedures
#1
Natalie Coriaty, Katherine Pettibone, Nicholas Todd, Shannon Rush, Ryan Carter, Colin Zdenek
Shortening of the first ray is a potential complication associated with first metatarsal procedures. Correction of this deformity conventionally has required the use of a tricortical bone graft to lengthen the bone. Graft complications, including donor site morbidity, poor graft stability, and graft resorption, have revealed a need for an alternative procedure. The present report shows that titanium cage scaffolding has lower extremity applications beyond its previous uses in the ankle and spine. Two patients underwent surgical correction for failed first ray procedures using a titanium cage apparatus with a calcaneal autograft and other biologic agents...
January 11, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29327223/one-bone-forearm-osteodesis-and-biceps-re-routing-to-correct-severe-supination-contracture-in%C3%A2-a-paediatric-patient-with-late-obstetric-brachial-plexus-palsy
#2
Ricardo Monreal
PURPOSE: The one-bone forearm arthrodesis has been performed to change the position of the forearm in children with fixed supination deformity due to upper extremity neurologic deficit. In this article, we present a retrospective review of children with late obstetric brachial plexus palsy who underwent palliative surgery to correct severe supination contracture by one-bone forearm osteodesis and biceps re-routing. This technique has not been described previously. MATERIALS AND METHODS: In this retrospective study, four consecutive patients with upper extremity weakness and severe supination contracture who underwent forearm osteodesis in neutral or slight pronation and biceps re-routing...
January 12, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29325424/immediate-weight-bearing-after-hallux-valgus-correction-using-locking-plate-fixation-of-the-ludloff-osteotomy-a-retrospective-review
#3
Steven K Neufeld, John J Marcel, Michael Campbell
BACKGROUND: A Ludloff osteotomy is a common procedure used to correct hallux valgus deformities. Traditionally, the osteotomy is stabilized with screws only, thus requiring the patient to be non-weight bearing until healed. There have been no outcome studies analyzing immediate weight bearing after Ludloff osteotomy for hallux valgus. METHODS: Of the 350 patients (390 feet) who underwent a Ludloff osteotomy fixed with a locking plate and prescribed an immediate weight-bearing postoperative protocol, 288 patients (326 feet) were included in the analysis...
January 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29325188/comparison-of-radiographic-measurements-of-the-femur-in-yorkshire-terriers-with-and-without-medial-patellar-luxation
#4
Michal Žilinčík, Marián Hluchý, Ladislav Takáč, Valent Ledecký
OBJECTIVE:  This article aimed to compare measurements of anatomical angles of the femurs, based on radiography, in Yorkshire Terriers without or with various grades of medial patellar luxation (MPL) based on radiography. METHODS:  The skeletally mature Yorkshire Terrier dogs without MPL and with various grades of MPL were included in this prospective study. Cases with other orthopaedic disorders were excluded. For inclusion of the dog, it was required that standardized digital radiographs of both femurs in craniocaudal and axial directions were available...
January 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29323493/luminescent-dinuclear-copper-i-complexes-as-potential-tadf-emitters-a-theoretical-study
#5
Ange Stoianov, Christophe Gourlaouen, Sergi Vela, Chantal Daniel
The excited states properties of a series of bi-nuclear NHetPHOS-Cu(I) complexes have been investigated by means of density functional theory (DFT) and time-dependent-DFT (TD-DFT). It is shown that experimental trends observed in powder, generally explored via S1 and T1 excited state energetics and S1 ⇔ T1 intersystem crossing (ISC) efficiency, are hardly analyzed on the basis of excited states properties calculated in solution. Indeed, several local minima corresponding to various structural deformations are put in evidence on the lowest excited state potential energy surfaces (PES) when solvent correction is applied leading to a four-state thermally activated delayed fluorescence (TADF) mechanism...
January 11, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29322260/minimally-invasive-opening-wedge-tibia-outpatient-osteotomy-using-screw-to-plate-locking-technique-and-a-calcium-phosphate-cement
#6
Claude Schwartz
Medial knee osteoarthritis on angular varus deformity of a lower limb is very common. Open-wedge high tibial osteotomy is a treatment of choice if cartilage is not excessively worn (Allback 1 or 2). The technique based on a plate fixation and the bone defect filled with calcium phosphate cement is thoroughly described. Data at 1, 3, 6 months and 1 year of a 19 cases continuous and prospective series are collected and analysed. Mean age at the time of operation was 55 years. The average preoperative varus deformity was 5° and corrected to an average postoperative valgus of 4° (range 3°-6°)...
January 10, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29320988/prevalence-and-key-radiographic-spinal-malalignment-parameters-that-influence-the-risk-for-gastroesophageal-reflux-disease-in-patients-treated-surgically-for-adult-spinal-deformity
#7
Tetsuro Ohba, Shigeto Ebata, Kensuke Koyama, Hirotaka Haro
BACKGROUND: Gastroesophageal reflux disease (GERD) is a factor that has a significant negative impact on the quality of life (QoL). Vertebral fractures and/or spinal malalignment may influence the frequency of GERD. However, the epidemiology and pathology of GERD in patients with adult spinal deformity (ASD) are still largely unknown. To establish the optimal surgical strategy for GERD in patients treated surgically for ASD, we sought to clarify the GERD prevalence, determine radiographically which spinal malalignment parameters influence GERD risk, and evaluate GERD improvement postoperatively...
January 10, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29320639/minimally-invasive-distal-metatarsal-metaphyseal-osteotomy-dmmo-of-the-fifth-metatarsal-for-bunionette-correction
#8
Kar Hao Teoh, Kartik Hariharan
BACKGROUND: Different osteotomies have been proposed for the treatment of bunionette deformity. Minimally invasive surgery is now increasingly popular for a variety of forefoot conditions. The aim of this study was to evaluate the outcome following fifth minimally invasive distal metatarsal metaphyseal osteotomy (DMMO) for bunionette deformity. METHODS: Nineteen patients (21 feet) who had symptomatic bunionette deformity and failed conservative treatment between 2014 and 2016 were included in this retrospective study...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29318956/improvement-in-existing-chest-wall-irregularities-during-breast-reconstruction
#9
Katherine M Huber, Amanda Zimmerman, Deniz Dayicioglu
Mastectomies for both cancer resection and risk reduction are becoming more common. Existing chest wall irregularities are found in these women presenting for breast reconstruction after mastectomy and can pose reconstructive challenges. Women who desired breast reconstruction after mastectomy were evaluated preoperatively for existing chest wall irregularities. Case reports were selected to highlight common irregularities and methods for improving cosmetic outcome concurrently with breast reconstruction procedures...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29318414/accuracy-of-pedicle-screw-insertion-by-airo%C3%A2-intraoperative-ct-in-complex-spinal-deformity-assessed-by-a-new-classification-based-on-technical-complexity-of-screw-insertion
#10
S Rajasekaran, Manindra Bhushan, Siddharth Aiyer, Rishi Kanna, Ajoy Prasad Shetty
PURPOSE: To develop a classification based on the technical complexity encountered during pedicle screw insertion and to evaluate the performance of AIRO® CT navigation system based on this classification, in the clinical scenario of complex spinal deformity. MATERIALS AND METHODS: 31 complex spinal deformity correction surgeries were prospectively analyzed for performance of AIRO® mobile CT-based navigation system. Pedicles were classified according to complexity of insertion into five types...
January 9, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29318413/evaluation-of-postoperative-fever-after-surgical-correction-of-neuromuscular-scoliosis-implication-on-management
#11
Mohamed Abdelhamid Ali Yousef, Scott Rosenfeld
BACKGROUND: Scoliosis is a common deformity in patients with neuromuscular disorders which usually necessitates surgical correction. Patients with neuromuscular scoliosis are characterized by increased incidence of associated medical co-morbidities and higher postoperative complication rate; therefore, these patients are often managed with a wide multidisciplinary care team. Postoperative fever is a frequent complication after surgery which is often routinely investigated using different workup tests to rule out infection...
January 9, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29318349/-imaging-diagnostics-of-the-foot-what-the-orthopaedic-surgeon-expects-from-the-radiologist
#12
REVIEW
C Putz, S Hagmann, T Dreher
CLINICAL/METHODICAL ISSUE: Foot pain is in the case of long-term congenital, acquired or posttraumatic foot deformities a relevant clinical problem. STANDARD RADIOLOGICAL METHODS: On the basis of the clinical findings and the orthopaedic question, radiographs of the foot while standing in two planes are supplemented by radiographs of the ankle in an anterior-posterior plane. The imaging diagnostics of the foot are based on the conventional X‑ray diagnostic workup and becomes even more precise and differentiated by the possibility of intersecting imaging procedures...
January 9, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29317155/compensatory-mechanism-of-the-spine-after-corrective-surgery-without-lumbar-sacral-fixation-for-traumatic-thoracolumbar-kyphotic-spine-deformity
#13
Koji Matsumoto, Masahiro Hoshino, Keita Omori, Hidetoshi Igarashi, Takashi Tsuruta, Koji Yamasaki, Hiromi Matsuzaki, Takanori Iriuchishima, Yasuaki Tokuhashi
BACKGROUND: It remains unclear whether long fusion including lumbar-sacral fixation is needed in corrective surgery to obtain good global sagittal balance (GSB) for the treatment of traumatic thoracolumbar kyphotic spine deformity. The purposes of this study were to evaluate compensatory mechanism of the spine after corrective surgery without lumbar-sacral fixation and to evaluate the parameters affecting the achievement of good GSB post-operatively. METHODS: Twenty (20) subjects requiring corrective surgery (distal end of fixation was L3) were included in this study...
January 6, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29317056/a-potentially-curative-fetal-intervention-for-hypoplastic-left-heart-syndrome
#14
Andrew T Hattam
Hypoplastic left heart syndrome (HLHS) encapsulates a spectrum of complex congenital cardiovascular malformations involving varying degrees of underdevelopment of the left-sided heart structures. However, despite improved survival rates since the introduction of staged surgical reconstruction, treatment options for HLHS remain palliative rather than curative. A major limiting factor in the development of definitive curative therapy for HLHS is an incomplete understanding of its pathogenesis. Currently, the aetiology HLHS is best conceptualised by the 'flow theory' of cardiogenesis, which states that normal cardiac development is reliant on the interrelationship of normal flow patterns of blood through the developing heart, and appropriate growth of the cardiac valves and myocardium...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29315109/update-on-treatment-of-adolescent-blount-disease
#15
Julio de Pablos, Lucas Arbeloa-Gutierrez, Antonio Arenas-Miquelez
PURPOSE OF REVIEW: Treatments available to correct adolescent Blount disease deformities differ in terms of features, advantages, and disadvantages. Each is indicated, therefore, for different scenarios of severity, physeal condition, and maturity. The purpose of this review is to update basic concepts, surgical treatments, and controversies concerning this disorder. RECENT FINDINGS: The cause of Blount disease is unknown although etiologic factors as morbid obesity and hypovitaminosis D are thought to be associated with it...
February 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29315083/capture-consistently-acquired-projections-for-tuned-and-robust-estimation-a-self-navigated-respiratory-motion-correction-approach
#16
Cihat Eldeniz, Tyler Fraum, Amber Salter, Yasheng Chen, H Michael Gach, Parag J Parikh, Kathryn J Fowler, Hongyu An
OBJECTIVES: In this study, we present a fully automated and robust self-navigated approach to obtain 4-dimensional (4-D) motion-resolved images during free breathing. MATERIALS AND METHODS: The proposed method, Consistently Acquired Projections for Tuned and Robust Estimation (CAPTURE), is a variant of the stack-of-stars gradient-echo sequence. A 1-D navigator was consistently acquired at a fixed azimuthal angle for all stacks of spokes to reduce nonphysiological signal contamination due to system imperfections...
January 8, 2018: Investigative Radiology
https://www.readbyqxmd.com/read/29312840/relationship-between-the-intersesamoid-ligament-and-sesamoid-bones-in-cadaveric-feet-with-hallux-valgus
#17
Regina C Fiacco, Garen M Ream, Charlotte Wilson, R Shane Tubbs, Marios Loukas, Piotr B Kozlowski, Anthony C DiLandro, Kevin T Jules, Anthony V D'Antoni
There is heterogeneity in the literature regarding the anatomy, exact location, and definition of the intersesamoid ligament (IL). Anatomic knowledge of the IL and its variations are important for surgeons who undertake corrective surgery for hallux abducto valgus (HAV). The IL was dissected in 16 feet from 32 formalin-fixed cadavers (12 females, four males; mean age at death, 76.6 years) to examine its morphology. The length, width, and thickness of its constituent bands were recorded with a digital caliper...
November 3, 2017: Curēus
https://www.readbyqxmd.com/read/29305619/-torsional-malalignment-of-the-humerus
#18
REVIEW
N Hawi, S Razaeian, C Krettek, R Meller, E Liodakis
The torsion of the humerus describes the physiological rotation of the humerus around its longitudinal axis. Various clinical and radiological methods for measurement have been described. The computed tomography method is currently the gold standard. The angle between the humeral head axis and the transepicondylar axis is measured. This angle is called retroversion. Values of retroversion vary between 10° and 40°. For the treatment of many humeral pathologies, a precise reconstruction of the anatomical retroversion is required...
January 5, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29305072/analysis-of-risk-factors-for-sagittal-translation-after-pedicle-subtraction-osteotomy-in-ankylosing-spondylitis-patients
#19
Jin-Sung Park, Jaedong Kim, Il-Han Joo, Kyu-Dong Sim, Ye-Soo Park
BACKGROUND CONTEXT: Sagittal translation, a potential complication of pedicle subtraction osteotomy (PSO), can results in neurologic damage. However, few studies have been conducted on sagittal translation and its risk factors after PSO in patients with ankylosing spondylitis (AS). PURPOSE: To report cases of sagittal translation that developed after PSO in patients with AS with kyphotic deformity and to analyze risk factors for sagittal translation. STUDY DESIGN: A retrospective case-control study PATIENT SAMPLE: This study included 53 patients (58 cases) with AS who underwent PSO to correct their kyphotic deformity...
January 2, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29303186/geometric-and-electronic-structure-of-multilayered-graphene-synergy-of-the-nondirective-ripples-and-the-number-of-layers
#20
Ting Ting Cui, Jian Chen Li, Wang Gao, Qing Jiang
According to the Mermin-Wagner theorem, ripple deformation is ubiquitous in a two-dimensional (2D) free-standing sheet, influencing the electronic properties. However, the synergistic effects of the unrestricted ripples and the number of layers have still been a topic of extensive debate. To address this issue, we employed density functional theory including many-body van der Waals (vdW) correction to investigate the effects of the nondirective ripples on the geometric and electronic structures of multilayered graphene...
January 5, 2018: Physical Chemistry Chemical Physics: PCCP
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