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Correction Of Deformity

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https://www.readbyqxmd.com/read/30333374/implant-treatment-after-sagittal-splitting-ramus-osteotomy-and-alveolar-ridge-augmentation-in-patient-with-mandibular-prognathism-and-multiple-missing-maxillary-teeth
#1
Yoshitaka Furuya, Masae Yamamoto, Taichi Ito, Takashi Takaki, Takahiko Shibahara, Yasutomo Yajima
An abnormal maxillomandibular ridge relationship frequently hinders oral implant treatment in patients with jaw deformities. Here, we describe a patient who was experiencing difficulty using dentures due to multiple maxillary tooth loss and mandibular prognathism. Treatment comprising sagittal splitting ramus osteotomy and alveolar ridge augmentation using bone grafts harvested from the mandibular ramus followed by implant treatment yielded good outcomes. The patient was a 47-year-old woman presenting with an unstable upper partial denture...
October 18, 2018: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/30332856/improved-w%C3%AE-sh-feature-matching-based-on-2d-dwt-for-stereo-remote-sensing-images
#2
Mei Yu, Kazhong Deng, Huachao Yang, Changbiao Qin
Image matching is an outstanding issue because of the existing of geometric and radiometric distortion in stereo remote sensing images. Weighted α-shape (WαSH) local invariant features are tolerant to image rotation, scale change, affine deformation, illumination change, and blurring. However, since the number of WαSH features is small, it is difficult to get enough matches to estimate the satisfactory homography matrix or fundamental matrix. In addition, the WαSH detector is extremely sensitive to image noise because it is built on sampled edges...
October 16, 2018: Sensors
https://www.readbyqxmd.com/read/30332596/opportunities-for-augmentation-cystoplasty-revision-without-additional-bowel-harvest-hourglass-deformity-or-non-detubularized-augment
#3
Joseph J Pariser, Sean P Elliott
INTRODUCTION: We describe our experience performing bladder augmentation revision without additional bowel harvest for certain suboptimal cystoplasty configurations. METHODS: We identified patients with prior bladder augmentation who underwent augmentation revision without additional bowel harvest at our institution. These patients were identified to have either "hourglass" deformity or non-detubularized augment previously. Revision was performed using an open technique by detaching the prior augment and performing detubularization and/or completion cystotomy as needed...
October 15, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/30328279/retinal-imaging-with-optical-coherence-tomography-and-low-loss-adaptive-optics-using-a-2-8-mm-beam-size
#4
Maddipatla Reddikumar, Joel Cervantes, Yukitoshi Otani, Barry Cense
As data acquisition for retinal imaging with optical coherence tomography (OCT) becomes faster, efficient collection of photons becomes more important to maintain image quality. One approach is to use a larger aperture at the eye's pupil to collect more photons that have been reflected from the retina. A 2.8-mm beam diameter system with only 7 reflecting surfaces was developed for low-loss retinal imaging. The larger beam size requires defocus and astigmatism correction, which was done in a closed loop adaptive optics method using a Shack-Hartmann wavefront sensor and a deformable mirror with 140 actuators and a +/-2...
October 16, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/30327909/non-neurologic-adverse-events-after-complex-adult-spinal-deformity-surgery-results-from-the-prospective-multicenter-scoli-risk-1-study
#5
Kenny Yat Hong Kwan, Cora Bow, Dino Samartzis, Lawrence G Lenke, Christopher I Shaffrey, Leah Y Carreon, Benny T Dahl, Michael G Fehlings, Christopher P Ames, Oheneba Boachie-Adjei, Mark B Dekutoski, Khaled M Kebaish, Stephen J Lewis, Yukihiro Matsuyama, Hossein Mehdian, Ferran Pellisé, Yong Qiu, Frank J Schwab, Kenneth Man Chee Cheung
PURPOSE: Accurate information regarding the expected complications of complex adult spinal deformity (ASD) is important for shared decision making and informed consent. The purpose of the present study was to investigate the rate and types of non-neurologic adverse events after complex ASD surgeries, and to identify risk factors that affect their occurrence. METHODS: The details and occurrence of all non-neurologic adverse events were reviewed in a prospective cohort of 272 patients after complex ASD surgical correction in a mulitcentre database of the Scoli-RISK-1 study with a planned follow-up of 2 years...
October 16, 2018: European Spine Journal
https://www.readbyqxmd.com/read/30327120/anatomic-approximation-approach-to-correction-of-transverse-facial-clefts
#6
Raymond W Tse, Robert J Knight, David M Fisher
Transverse clefts of the oral cavity have significant impacts on both appearance and function. Many methods of repair have been described, but there is no consensus on optimal approach. In addition, dissatisfaction with scars, distortion of appearance, and recurrent deformity have led to complex surgical designs that are difficult to understand and reproduce. We describe a simple approach to repair that is based upon anatomic approximation of lip components and accurate repair of the muscle. Twenty patients underwent repair by the senior author, who devised the approach, and the corresponding author, who adopted it...
November 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/30326699/early-detection-and-analysis-of-children-with-multidrug-resistant-tuberculosis-of-the-spine
#7
Justin Arockiaraj, Magdalenal Robert, Winsley Rose, Rohit Amritanand, Kenny Samuel David, Venkatesh Krishnan
Study Design: Retrospective case series. Purpose: The aim of the study is to report the clinical characteristics, early diagnosis, management, and outcome of children with multidrug-resistant (MDR) tubercular spondylodiscitis and to assess the early detection of rifampicin resistance using the Xpert MTB/ RIF assay. Overview of Literature: MDR tuberculosis is on the rise, especially in developing countries. The incidence rate of MDR has been reported as 8...
October 18, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30326684/cervical-kyphosis
#8
Akshay Gadia, Kunal Shah, Abhay Nene
Cervical kyphosis is a rare condition that can cause significant functional disability and myelopathy. Deciding the appropriate treatment for such deformities is challenging for the surgeon. Patients often present with axial neck pain, and it is not uncommon to find coexisting radiculopathy or myelopathy. The optimal approach for addressing this complex issue remains controversial. A comprehensive surgical plan based on knowledge of the pathology and biomechanics is important for kyphosis correction. Here we reviewed diagnoses of the cervical spine along with the literature pertaining to various approaches and management of cervical spine...
October 18, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30326236/bilateral-lung-transplantation-and-simultaneous-pectus-excavatum-correction-using-the-nuss-technique
#9
Daniel Valdivia, Markus Kamler, Clemens Aigner
Severe chest wall deformities are considered a contraindication for lung transplantation. A 38-year-old male with idiopathic pulmonary fibrosis and severe pectus excavatum with a Haller-Index of 4.3 was considered eligible and listed for lung transplantation. Bilateral sequential transplantation and simultaneous correction of the pectus excavatum was performed via anterolateral thoracotomies and Nuss-bar insertion with peripheral femoro-femoral veno-arterial ECMO support. TLC increased from 4.1l preoperative to 5...
October 13, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/30324464/imaging-study-of-pseudo-ct-images-of-superposed-ultrasound-deformation-fields-acquired-in-radiotherapy-based-on-step-by-step-local-registration
#10
Hongfei Sun, Tao Lin, Kai Xie, Liugang Gao, Jianfeng Sui, Xinye Ni
The purpose of this study is to create a new pseudo-computed tomography (CT) imaging approach under superposed ultrasound (US) deformation fields based on step-by-step local registration. Scanned CT and US 3D image datasets of three patients with postoperative cervical carcinoma were selected, including CT (CTsim) and US images (USsim) acquired during simulated positioning process and cone beam CT (CBCT) and US images for positioning verification (USpv) acquired after treatment for 10 times. Regions of interest such as urinary bladders were segmented out and accepted local registration to obtain different deformation fields...
October 15, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/30324149/significant-variability-in-surgeons-preferred-correction-maneuvers-and-instrumentation-strategies-when-planning-adolescent-idiopathic-scoliosis-surgery
#11
Franck Le Navéaux, A Noelle Larson, Hubert Labelle, Carl-Eric Aubin
Background: Increased implant number is thought to provide better control on the scoliotic spine, but there is limited scientific evidence of improved deformity correction and surgical outcomes with high-density constructs. The objective is to assess key anchor points used by experienced spinal deformity surgeons and to evaluate the effect of implant density pattern on correction techniques. Methods: Seventeen experienced spine surgeons reviewed five Lenke 1 adolescent idiopathic scoliosis cases and provided their preferred posterior correction technique (implant pattern, correction maneuvers, and implants used for their execution) and an alternative technique with the minimal implant density they felt would be acceptable (170 surgical plans total)...
2018: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/30324075/a-new-technique-for-the-correction-of-tear-trough-deformity-via-filler-injections
#12
Bulent Bagci
The nonsurgical treatment of valley-type tear trough (TT) deformity with diffuse depression in preseptal segment aims a more effective and safer treatment alternative to present padding techniques through the use of hyaluronic acid fillers to the preseptal space. 22G 50-mm cannula was inserted into the preseptal space, 2 cm inferolateral to the lateral canthus, and a low concentration of monophasic hyaluronic acid filler was applied. TT deformity was treated through the elimination of the contrasting subcutaneous fat tissue quality and quantity both above and below the TT, which contributes to the accentuation of the TT deformity...
August 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30324057/review-proposed-methods-to-improve-the-survival-of-adipose-tissue-in-autologous-fat-grafting
#13
Mark J Landau, Zoe E Birnbaum, Lauren G Kurtz, Joel A Aronowitz
In 2009, the American Society of Plastic Surgeons Task Force on Autologous Fat Grafting (AFG) determined that autologous fat grafting was a safe procedure with a relatively low rate of complications. This consensus opinion unleashed a wave of popularity as plastic surgeons discovered the procedures' efficacy in a wide variety of cosmetic and reconstructive indications. Frequently reported cosmetic applications include soft-tissue augmentation of breast, buttocks, hips, face, and hands, whereas reconstructive applications include adjunct for breast reconstruction contour problems, plantar fat pad improvement, and correction of various posttraumatic and surgical contour deformities...
August 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30324051/single-stage-total-cranial-vault-remodeling-for-correction-of-turricephaly-description-of-a-new-technique
#14
Stephen Alex Rottgers, Ingrid Ganske, Isabelle Citron, Mark Proctor, John G Meara
Background: Turricephaly is considered one of the most difficult cranial deformities to correct as addressing cranial height can result in increased intracranial pressure. We describe a new technique of total calvarial remodeling with bony transposition to simultaneously correct turricephaly and brachycephaly while preserving intracranial volume. Methods: A retrospective review of patients undergoing single-stage cranial vault remodeling by a single surgeon (J.G...
August 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30322780/long-term-follow-up-of-repair-of-external-nasal-deformities-in-rhinoscleroma-patients
#15
Mohamed A Amer, Mohamed O Tomoum
INTRODUCTION: Rhinoscleroma (RS) is a chronic, progressive, granulomatous infectious disease endemic in Egypt and the Middle East, affecting the nose in 95-100% of cases, and resulting in functional and esthetic sequelae. The aim of the study was to investigate the feasibility of performing reconstructive procedures to improve external deformities in RS patients, with long-term follow up. PATIENTS & METHODS: This prospective, controlled cohort study included 25 patients who were seeking rhinoplasty to improve their esthetic appearance, with evident clinical and histopathological history of RS...
September 26, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/30322254/a-comparative-analysis-of-the-metabolic-and-coagulative-profiles-in-patients-with-idiopathic-scoliosis-congenital-scoliosis-and-healthy-controls-a-case-control-study
#16
Kaustubh Ahuja, Bhavuk Garg, Buddhadev Chowdhuri, Raj Kumar Yadav, Pradeep Kumar Chaturvedi
Study Design: Single-center, observational, case-control study. Purpose: Comparison and analysis of the metabolic and coagulative profiles in patients with idiopathic scoliosis, patients with congenital scoliosis, and healthy controls. Overview of Literature: Serum melatonin deficiency has been a controversial topic in the etiopathogenesis of scoliosis. Low bone mineral density, low vitamin D3 levels, and high parathyroid hormone levels are common metabolic abnormalities associated with scoliosis that may be responsible for its pathogenesis...
October 16, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30322251/impact-of-screw-type-on-kyphotic-deformity-correction-after-spine-fracture-fixation-cannulated-versus-solid-pedicle-screw
#17
Mahmood Ali Arbash, Ashik Mohsin Parambathkandi, Abdul Moeen Baco, Abduljabbar Alhammoud
Study Design: Retrospective review. Purpose: To detect the effect of cannulated (poly-axial head) and solid (mono-axial head) screws on the local kyphotic angle, vertebral body height, and superior and inferior angles between the screw and the rod in the surgical management of thoracolumbar fractures. Overview of Literature: Biomechanics studies showed that the ultimate load, yield strength, and cycles to failure were significantly lower with cannulated (poly-axial head) pedicle comparing to solid core (mono-axial head)...
October 16, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30322249/most-reliable-time-in-predicting-residual-kyphosis-and-stability-pediatric-spinal-tuberculosis
#18
Myung-Sang Moon, Sang-Jae Kim, Min-Su Kim, Dong-Suk Kim
Study Design: A case study. Purpose: To assess the chronological changes of the disease-related kyphosis after chemotherapy alone, secondly to clarify the role of growth cartilage in the healed lesion on kyphosis change, and to define the accurate prediction time in assessing residual kyphosis. Overview of Literature: None of the previous papers up to now dealt with the residual kyphosis, stability and remodeling processes of the affected segments...
October 16, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30321972/internal-fixation-of-three-dimensional-distal-metatarsal-i-osteotomies-in-the-treatment-of-hallux-valgus-deformities-using-biodegradable-magnesium-screws-in-comparison-to-titanium-screws
#19
Hubert Klauser
BACKGROUND: Various implants, for example K-wires, screws, plates or staples, have been introduced for the stabilisation of corrective osteotomies in hallux valgus surgery. To provide high initial stability and to avoid subsequent implant removal, a novel biodegradable magnesium screw (MAGNEZIX® CS, Syntellix AG, Hanover, Germany) has been developed and approved for clinical use. METHODS: Between October 2014 and June 2016, magnesium screws were used in 100 patients with a symptomatic hallux valgus deformity for the fixation of Chevron and Youngswick osteotomies...
February 16, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/30321969/accuracy-of-patient-specific-instrumentation-in-total-ankle-arthroplasty-a-comparative-study
#20
Guilherme H Saito, Austin E Sanders, Martin J O'Malley, Jonathan T Deland, Scott J Ellis, Constantine A Demetracopoulos
BACKGROUND: Patient-specific instrumentation (PSI) for TAA is a novel technology with several potential benefits. The primary goal of this study was to compare the use of PSI with the standard referencing guide (SRG) in regards to accuracy of tibial implant positioning. Operative time, fluoroscopy time and accuracy of PSI preoperative reports were also evaluated. METHODS: A retrospective analysis of 99 patients who underwent a primary TAA with the INFINITY prosthesis (Wright Medical, Memphis, TN) was performed...
February 16, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
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