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https://www.readbyqxmd.com/read/28413065/outcome-of-low-profile-mesh-plate-in-management-of-comminuted-displaced-fracture-patella
#1
Mohamed S Singer, Abdelsamie M Halawa, Adel Adawy
PURPOSE: To assess the clinical results of using mesh plate in management of displaced comminuted fracture patella. PATIENTS AND METHODS: Between January 2014 and October 2015, nine patients with closed displaced comminuted fracture patella were fixed using mesh plate and 2mm mini screws. RESULTS: All fractures united after an average of 10 weeks. At final follow-up of an average 19.6 months, average postoperative Lysholm score was 89.1±4...
March 23, 2017: Injury
https://www.readbyqxmd.com/read/28384945/excision-versus-fixation-of-the-radial-head-a-comparative-study-of-the-functional-outcomes-of-the-two-techniques
#2
Sanath Kumar Shetty, Ashwin Shetty, Bijith Balan, Arjun Ballal, H Ravindranath Rai, Anoop Hegde
INTRODUCTION: The management of displaced and comminuted radial head fractures has been a matter of debate amongst surgeons for many years. Radial head excision formed the mainstay of surgical management of these injuries. Over the years, there have been improvements in the surgical techniques and availability of better implants and instrumentation techniques, hence, open reduction and internal fixation of these fractures is gaining popularity. AIM: To compare the outcome of elbow function between radial head excision and open reduction and internal fixation of the radial head with mini screws of Mason Type II and Type III radial head fractures and to assess the complications that occur in both techniques...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28382830/effect-of-interfragmentary-gap-on-compression-force-in-a-headless-compression-screw-used-for-scaphoid-fixation
#3
E S Tan, I S Mat Jais, S Abdul Rahim, S C Tay
We investigated the effect of an interfragmentary gap on the final compression force using the Acutrak 2 Mini headless compression screw (length 26 mm) (Acumed, Hillsboro, OR, USA). Two blocks of solid rigid polyurethane foam in a custom jig were separated by spacers of varying thickness (1.0, 1.5, 2.0 and 2.5 mm) to simulate an interfragmentary gap. The spacers were removed before full insertion of the screw and the compression force was measured when the screw was buried 2 mm below the surface of the upper block...
April 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28376676/evaluation-of-maxillary-sinus-volume-and-dimensions-in-different-vertical-face-growth-patterns-a-study-of-cone-beam-computed-tomography
#4
Rıdvan Okşayan, Oral Sökücü, Seher Yeşildal
OBJECTIVE: This study aimed to compare sinus volume and dimensions in patients with high-, low-, and normal-angle vertical growth patterns using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: According to skeletal vertical face growth patterns, 60 adults (31 female, 29 male, average age: 29.90 ± 10.91 years) were divided into three groups equally: high-angle, low-angle, and normal-angle groups. Cephalometric tracings were obtained from CBCT images and SN-GoGn (angle between Sella-Nasion line and Gonion-Gnathion line) cephalometric angular measurements used for the classification of skeletal vertical pattern evaluations...
April 4, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28349251/the-effect-of-magnesium-on-early-osseointegration-in-osteoporotic-bone-a-histological-and-gene-expression-investigation
#5
S Galli, M Stocchero, M Andersson, J Karlsson, W He, T Lilin, A Wennerberg, R Jimbo
Magnesium has a key role in osteoporosis and could enhance implant osseointegration in osteoporotic patients. Titanium implants impregnated with Mg ions were installed in the tibia of ovariectomized rats. The release of Mg induced a significant increase of bone formation and the expression of anabolic markers in the peri-implant bone. INTRODUCTION: The success of endosseous implants is highly predictable in patients possessing normal bone status, but it may be impaired in patients with osteoporosis...
March 27, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28339580/the-integration-of-orthodontic-miniscrews-under-mechanical-loading-a-pre-clinical-study-in-rabbit
#6
B Giuliano Maino, Alberto Di Blasio, Davide Spadoni, Francesca Ravanetti, Carlo Galli, Antonio Cacchioli, Christos Katsaros, Mauro Gandolfini
Introduction: Orthodontic miniscrews are an increasingly popular choice to achieve absolute anchorage. The temporary use of miniscrews and their recent introduction have limited the debate over the biological aspect of the materials to that of the surface that permeates the field of dental implants. The aim of the present study was to investigate the integration of grade 5 titanium mini-implants with machined or sand blasted acid etched surface (SAE) under mechanical load in a rabbit tibia model of implant integration...
January 18, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28318375/fracture-strength-of-standard-and-small-diameter-prosthetic-abutments-for-full-arch-implant-supported-restorations
#7
Bruno Costa Martins de Sá, Augusto Ricardo Andrighetto, Sérgio Rocha Bernardes, Rodrigo Tiossi
The fracture strength of prosthetic abutments with different sizes and combinations to support a 5 implant milled framework with distal extension was tested. Prosthetic abutments with different dimensions (4.8 mm diameter mini-conical abutment and 3.5 mm diameter micro-conical abutment) were screwed to 5 threaded implants. The following groups were divided (n=3): G1 with 5 mini-conical abutments (standard size), G2 with 5 micro-conical abutments (small sized), G3 with a combination of 3 small sized abutments and 2 standard sized abutments, and G4 with a combination of 2 small sized abutments and 3 standard sized abutments...
March 20, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#8
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28302305/absolute-or-relative-stability-in-minimal-invasive-plate-osteosynthesis-of-simple-distal-meta-or-diaphyseal-tibia-fractures
#9
R Wenger, F Oehme, J Winkler, S M Perren, R Babst, F J P Beeres
INTRODUCTION: Minimal invasive plate osteosynthesis in simple distal meta or diaphyseal tibia fractures can be applied using absolute (lag screw and neutralisation plate; LSN) or relative stability (bridge plate; BP). The primary aim of the study was to compare time to radiological union and time to full weight bearing in the two groups (LSN vs. BP). Reduction was performed either percutaneously or by a minimally open approach (mini open). Secondary aim was to analyse the number of complications between both groups...
March 6, 2017: Injury
https://www.readbyqxmd.com/read/28267907/-imaging-of-the-calcaneus-applied-to-the-internal-fixation-of-fractures-by-a-sinus-tarsi-approach
#10
G Slullitel, J Calvi, A Calvo, M Seletti, V López, V Álvarez
OBJECTIVE: The mini-invasive technique, through a sinus tarsi approach (STA), has become an increasingly popular choice for the treatment of calcaneal fractures. However, despite the good results reported, the complications related with internal fixation have not yet been analyzed. Using 3D reconstruction CT scans, we proposed doing biometric description of the calcaneus with the purpose of performing osteosynthesis as treatment for calcaneal fractures. METHODS: A total of 24 CT scans were retrospectively obtained from 22 consecutive patients with healthy calcanei and no history of surgery or fracture...
July 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28264589/minimally-invasive-spinal-surgery-for-the-management-of-symptomatic-spinal-metastasis
#11
Abdulkader Hamad, Leonidas Vachtsevanos, Andrew Cattell, Matthew Ockendon, Birender Balain
INTRODUCTION: Symptomatic metastatic spinal disease is on the increase. Minimally invasive spinal surgery has been associated with a lower complication profile when compared to traditional open methods; however there is paucity of literature evaluating the place of percutaneous pedicle screw fixation (PPSF) in the management of spinal metastases. The purpose of the study is to assess the efficacy of Minimally Invasive Spine Surgery (MISS) using PPSF with or without mini-decompression in the management of symptomatic spinal metastases...
March 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28264239/bone-cement-augmented-percutaneous-screw-fixation-for-malignant-spinal-metastases-is-it-feasible
#12
Pius Kim, Seok Won Kim
OBJECTIVE: We evaluated the validity of bone cement-augmented percutaneous screw fixation for treating malignant spinal metastases. METHODS: Between 2011 and 2015, 14 patients (eight men and six women) who underwent bone cement-augmented percutaneous screw fixation for malignant spinal metastases were enrolled in this study. Their life expectancy was considered to be more than one month and less than one year, based on the revised Tokuhashi scoring system. Clinical findings including the back pain scale score, functional outcome, procedure related complications, and survival were assessed preoperatively, postoperatively, and then six months after the procedure...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28247077/s2-alar-iliac-screw-placement-under-robotic-guidance-for-adult-spinal-deformity-patients-technical-note
#13
Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng
PURPOSE: S2 alar-iliac (S2AI) screws are generally placed using an open approach, but have recently been shown to be implantable using a minimally invasive approach. Nevertheless, optimal screw positioning, even when supported by fluoroscopic guidance, is challenging in the complex anatomy of the sacral-pelvic area. This work presents our novel technique of S2AI sacropelvic fixation procedures performed with robotic guidance. METHODS: This was a single-center, retrospective, mini case-series of adult spinal deformity patients in need of sacropelvic fixation as part of a longer thoraco-lumbar fusion...
February 28, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28243717/clinical-outcome-after-alternative-treatment-of-scaphoid-fractures-and-nonunions
#14
A L Sander, K Sommer, D Schäf, C Braun, I Marzi, T Pohlemann, J Frank
PURPOSE: Achieving stable fixation of scaphoid fractures and nonunions continues to be a challenge. Compression screw fixation has been the current standard surgical procedure. However, in some cases, bone healing cannot be achieved and requires further revision. Recent series reintroduced volar plating as valid option for stable fixation. The aim of the study was to review clinical outcome of alternative scaphoid treatment. METHODS: From 2011 to 2014, nine patients with scaphoid fracture were treated by Headless Compression Screw (HCS) and seven patients with scaphoid nonunion by HCS or volar mini condylar plate with bone graft...
February 27, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28241725/-minimally-invasive-tarsal-sinus-incision-combined-with-manipulative-reduction-and-internal-fixation-for-calcaneal-fractures-of-sanders-type%C3%A2-and-%C3%A2
#15
M Chen, K Deng, W H Zeng, J J Zeng, Q S Zhong, Z M Han
Objective: To evaluate the method and curative effect of plate fixation or percutaneous screws for the treatment of calcaneal fractures of Sanders type Ⅱ and Ⅲ via a minimally invasive sinus tarsi incision combined with a variety of manipulative reduction methods. Methods: Twenty-one patients with closed calcaneal fractures treated in the Department of Orthopedics, the First Affiliated Hospital of Nanchang University from January 2014 to January 2016 were collected. There were 15 men and 6 women, with an average age of 39...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28229851/-skeletal-anchorage-in-the-past-today-and-tomorrow
#16
Birte Melsen, Michel Dalstra
INTRODUCTION: Skeletal anchorage was not introduced as an alternative to conventional anchorage modalities. The first skeletal anchorage was a ligature through a hole in the infrazygomatic crest. This was replaced by surgical screws and finally the TADs, which were optimized with respect to the material and morphology, were developed. A bracket-like head allows for the use of the mini-implant as indirect anchorage, but should not be a tool for lost control resulting from badly planned biomechanics or failing compliance...
March 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/28212452/bone-to-implant-contact-and-new-bone-formation-within-human-freeze-dried-bone-blocks-grafted-over-rabbit-calvaria
#17
Zvi Artzi, Karen Anavi-Lev, Avital Kozlovsky, Liat Chaushu, Frank Schwarz, Haim Tal
PURPOSE: To assess the extent of osseointegration with rough-surface implants and new bone formation (NBF) within human freeze-dried bone blocks (h-FDB) grafted over rabbit calvaria. MATERIALS AND METHODS: A total of 18 rectangular h-FDB blocks were stabilized bilaterally to the calvaria of nine New Zealand rabbits by two mini titanium screws each. A total of 18 rough-surface implants (5.0 × 6.0-mm) were placed, 9 simultaneously (immediate placement [IP]) on one side and 9 at 3 months after block grafting (delayed placement [DP]) on the contralateral side...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28194343/the-effect-of-a-condylar-repositioning-plate-on-condylar-position-and-relapse-in-two-jaw-surgery
#18
Gyu Sik Jung, Taek Kyun Kim, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
BACKGROUND: Numerous condylar repositioning methods have been reported. However, most of them are 2-dimensional or are complex procedures that require a longer operation time and a highly trained surgeon. This study aims to introduce a new technique using a condylar repositioning plate and a centric relation splint to achieve a centric relationship. METHODS: We evaluated 387 patients who had undergone surgery for skeletal jaw deformities. During the operation, a centric relation splint, intermediate splint, final centric occlusion splint, and condylar repositioning plate along with an L-type mini-plate for LeFort I osteotomy or a bicortical screw for bilateral sagittal split ramus osteotomy were utilized for rigid fixation...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28188487/management-and-radiographic-outcomes-of-femoral-head-fractures
#19
John A Scolaro, Geoffrey Marecek, Reza Firoozabadi, James C Krieg, Milton Lee Chip Routt
BACKGROUND: Femoral head fractures are uncommon injuries. Small series constitute the majority of the available literature. Surgical approach and fracture management is variable. The purpose of this study was to evaluate the incidence, method of treatment, and outcomes of consecutive femoral head fractures at a regional academic Level I trauma center. MATERIALS AND METHODS: A retrospective review of a prospective database was performed over a 13-year period. All AO/OTA 31C femoral head fractures were identified...
February 10, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28127376/safety-and-efficacy-of-mini-open-transforaminal-lumbar-interbody-fusion
#20
Mohamed M Mohi Eldin, Ehab M Eissa, Haitham M Elmorsy
OBJECTIVE: Mini-transforaminal lumbar interbody fusion (Mini-TLIF) and other minimally invasive approaches introduced for the purpose of treating lumbar degenerative disc disease and instability are achieving high success and safety rates as the conventional approaches. Moreover, it has less soft tissue damage, minimal blood loss, and less hospital stay. METHODS: A prospective study was conducted from 2012 to 2014 on 28 patients who were subjected to Mini-open TLIF combined with transpedicular screw fixation for spondylolisthesis and degenerative disc disease...
December 2016: Korean Journal of Spine
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