Xu Gao, Hai-Yu Fan, Rui Huang, Yong-Qiang Sui, Fei Li, Hai-Lei Yin
OBJECTIVE: To assess the clinical outcomes of open calcaneal fractures with medial wounds treated with one-stage management, including early modern wound care, sequential reduction, and frame structure fixation using percutaneous Kirschner wires. METHODS: A total of 19 patients with open calcaneal fractures admitted to our hospital from May 2016 to March 2019 were selected in this study. Twelve type-II and seven type-IIIA medial open injuries were identified according to the classification of Gustilo and Anderson...
January 5, 2021: Orthopaedic Surgery
Kiyohisa Ogawa, Wataru Inokuchi, Noboru Matsumura
Background: Physeal injuries of the coracoid process are rare but may be increasing because of increased participation of youth in year-round sports. Purpose: To analyze reported physeal and apophyseal injuries of the coracoid process. Study Design: Systematic review; Level of evidence, 4. Methods: PubMed and Scopus were searched using the terms scapula fracture and coracoid fracture . The inclusion criteria were English full-text articles describing coracoid fracture as well as articles that described patient characteristics and presented appropriate images...
December 2020: Orthopaedic Journal of Sports Medicine
Y Subash
Introduction: Malunited intertrochanteric fractures are frequently seen in rural populations as they tend to go in for native treatment with traditional bone setters. The resulting Coxa vara is associated with shortening, abductor weakness, limp and decreased range of movement of the affected hip. The aim of this study was to evaluate the role of Valgus osteotomy with Dynamic hip screw (DHS) fixation in the management of these fractures and to evaluate the functional outcome using the Harris hip score...
November 2020: Malaysian Orthopaedic Journal
A Yuce, S S Dedeoglu, Y Imren, M Yerli, H Gurbuz
Introduction: The selection of the stage where fibular plate was performed in two-stage surgery of the intra-articular distal tibiofibular fractures with soft tissue injury is still controversial. The aim of the study was to compare the complications, radiological and functional outcomes between the patients who had fibular plate at initial or second phase during surgical management of such fractures. Materials and Methods: In this study, medical records of 47 patients who underwent a two-stage surgical procedure for intra-articular distal tibia fractures accompanying soft tissue injury were retrospectively examined...
November 2020: Malaysian Orthopaedic Journal
Ya-Ping Xiao, Ming-Jian Bei, Cui-Qing Yan, Jian-Zhong Chang
BACKGROUND: Bone cement leakage is a major complication in the treatment of percutaneous vertebroplasty for Kümmell's disease, and the focus of close attention during the surgery. The purpose of this article was to investigate the clinical outcomes of Kümmell's disease treated by percutaneous vertebroplasty with or without bone cement leakage. METHODS: A total of 64 patients with Kümmell's disease from December 2016 to February 2018 treated by percutaneous vertebroplasty were included in the study...
January 5, 2021: BMC Musculoskeletal Disorders
Basil Budair, Paul Fenton
Tongue-type calcaneal fractures are a subset of displaced intraarticular calcaneal fractures. A reduction maneuver for this fracture pattern was described by Essex-Lopresti. The aim of this article is to describe a modification of this technique that allows reduction and fixation of tongue-type calcaneal fractures via a single, minimally invasive incision. We retrospectively reviewed all patients undergoing fixation utilizing this technique at our institution. We identified 13 fractures in 12 patients with a median follow-up of 12 months...
January 5, 2021: Foot & Ankle Specialist
Tatiana Porto Santos, Cesare M Cejas, Rosiane Lopes Cunha, Patrick Tabeling
Coalescence is the most widely demonstrated mechanism for destabilizing emulsion droplets in microfluidic chambers. However, we find that depending on the channel wall surface functionalization, surface zeta potential, type of surfactant, characteristics of the oil as a dispersed phase, or even the presence of externally-induced stress, other different destabilization mechanisms can occur in subtle ways. In general, we observe four regimes leading to destabilization of concentrated emulsions: (i) coalescence, (ii) emulsion bursts, (iii) a combination of the two first mechanisms, attributed to the simultaneous occurrence of coalescence and emulsion bursts; and (iv) compaction of the droplet network that eventually destabilizes to fracture-like behavior...
January 5, 2021: Soft Matter
Şahin Çepni, Fırat Yaman, Enejd Veizi, Ahmet Fırat, Nurdan ÇayAssoc, Osman Tecimel
OBJECTIVES: To investigate whether rotational malalignment of tibia, after fracture management with minimally invasive plate osteosynthesis technique (MIPO), leads to impaired results in knee and ankle joint functional scores. DESIGN: Prospectively collected data was retrospectively analyzed for this study. SETTING: Level III academic trauma center.Patients/Participants: 65 consecutive patients who applied between October 2010 and January 2014 with a unilateral distal tibia fracture and had full bone union at their last visit were analyzed...
December 31, 2020: Journal of Orthopaedic Trauma
James Houston, Leanne Armitage, Philip M Sedgwick, Madeline McGovern, Raymond M Smith, Alex J Trompeter
OBJECTIVES: To define the mean angle of a series of diaphyseal non-unions based on radiographic analysis. DESIGN: Retrospective cohort study. SETTING: Two level-1 trauma centers. PATIENTS: One hundred and twenty patients presenting with non-union. INTERVENTION: A mean non-union angle was calculated from a series of AP and lateral X-rays using a standardised technique. The non-union angle was then estimated in a single plane by considering the greater of the two measured angles...
December 28, 2020: Journal of Orthopaedic Trauma
Justin T Smith, Young Jee, Erika Daley, Denise M Koueiter, Martin Beck, Ira Zaltz
BACKGROUND: Classifying hips with structural deformity on the spectrum from impingement to dysplasia is often subjective and frequently inexact. Currently used radiographic measures may inaccurately predict a hip's morphological stability in borderline hips. A recently described radiographic measure, the Femoro-Epiphyseal Acetabular Roof (FEAR) index, has demonstrated an ability to predict stability in the borderline hip. This measure is attractive to clinicians because procedures can be used on the basis of a hip's pathomechanics...
January 4, 2021: Clinical Orthopaedics and related Research
A B El-Okl, E A Abou Neel
Due to its simplicity and patient satisfaction, an implant-retained overdenture has become the most preferred treatment for edentulous patients. Due to the presence of an attachment system at mandibular anterior region, however, base fracture is the most common complication of overdenture. This study aimed to evaluate the stress distribution and deformation on a symphyseal single implant retained mandibular overdenture using a three-dimensional finite element. Zirconia versus acrylic overdenture was investigated...
December 8, 2020: European Journal of Prosthodontics and Restorative Dentistry
Chul Hyun Park, Hongfei Yan, Jeongjin Park
AIMS: No randomized comparative study has compared the extensile lateral approach (ELA) and sinus tarsi approach (STA) for Sanders type 2 calcaneal fractures. This randomized comparative study was conducted to confirm whether the STA was prone to fewer wound complications than the ELA. METHODS: Between August 2013 and August 2018, 64 patients with Sanders type 2 calcaneus fractures were randomly assigned to receive surgical treatment by the ELA (32 patients) and STA (32 patients)...
January 3, 2021: Bone & Joint Journal
Joseph Terrence Jose Jerome, Ganesan Ramesh Prabu
BACKGROUND: Middle phalanx physeal fractures in children are rare, and proper treatment gives good results. Despite treatment, these fractures may lead to physeal arrest and growth disturbances leading to severe angulation deformities. Closed wedge osteotomy with internal fixation efficiently corrects the angulation deformities in children. METHODS: We did a retrospective study analyzing 11 children with middle phalanx physeal injuries and severe angulation. Closed wedge osteotomy and internal fixation with plate and screw were done...
January 3, 2021: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Mls Driessen, Mjr Edwards, J Biert, E Hermans
INTRODUCTION: Over the last 20 years, minimally invasive surgery using Percutaneous Screw Fixation (PSF) has been performed increasingly frequently in the treatment of Displaced Intra-Articular Calcaneal Fractures (DIACFs). The purposes of this study were to assess the long-term postoperative outcomes of mobility, foot function, stability, pain and patient satisfaction. METHODS: All patients had DIACFs and underwent PSF between 1998 and 2006 according to the method reported by Forgon and Zadravecz...
December 24, 2020: Injury
A K Sharma, G P Thulasi Doss, E Panneerselvam, S K Ganesh, V B Krishna Kumar Raja
The objective of this study was to assess the efficacy of knotless barbed sutures in intraoral wound closure for maxillofacial trauma in comparison with conventional (vicryl) sutures. This was a randomised controlled clinical trial involving 40 patients with isolated mandibular angle fractures who required intraoral incisions for open reduction and internal fixation (ORIF). The sample was randomised into the study group (20 patients) and control group (20 patients). Following fracture fixation by a standardised surgical protocol, the wound closure was done with bidirectional knotless barbed suture and vicryl for the study and control groups, respectively...
August 14, 2020: British Journal of Oral & Maxillofacial Surgery
Jun Cao, Junchao Zhang, Kexing Song, Baoan Wu, Yong Ding, Dingbiao Chen, Yutian Ding
The effects of the geometry parameters of a ceramic cleaver on the morphology of ball and second bonded points were studied using an automatic wire bonder, push pull tester, scanning electron microscope, ceramic capillary with different geometric parameters and φ25.4 μmAg-5Au bonding alloy wire, etc. The result shows that when the inner hole diameter (IHD) of the ceramic capillary is 1.3 times the diameter of the alloy wire (33 μm), the neck morphology of the ball bonded point (first bonded point) meet the requirements...
December 29, 2020: Micromachines
Álvaro Toro-Aguilera, Pablo Martínez-Galarza, Pilar Camacho- Carrasco, Miguel Caballero, Josep M Segur
INTRODUCTION: When treating a distal radius fracture with a volar locking plate (VLP), numerous plate-screw designs are available. To date, there is not a screw fastening system with a clear superiority among the others. Hypotesis: Fixed-angle screws are superior to polyaxial screws in distal radius VLP fixation with respect to screw protrusion and reduction preservation. MATERIAL AND METHODS: A prospective cohort study based on eighty patients was performed. The first forty patients were treated by polyaxial VLP (PA group) were the next forty by a fixed-angle VLP (FA group)...
December 28, 2020: Orthopaedics & Traumatology, Surgery & Research: OTSR
Kaihua Zhou, Xingguang Tao, Fugen Pan, Congfeng Luo, Huilin Yang
PURPOSE: To investigate the clinical effect of novel patient-specific 3D printing templates based on external fixation for pelvic screw insertion compared with the fluoro-navigation technique. MATERIALS AND METHODS: We retrospectively studied 18 pelvic fracture patients from July 2017 to July 2018. For analysis, patients were divided into two groups: the template group (15 screws in 8 patients) and the fluoro-navigation group (22 screws in 10 patients). The screw insertion time, radiation exposure time, and accuracy of the screw insertion as evaluated by postoperative CT scans were analyzed...
December 30, 2020: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
Shadia Abdel-Hameed Elsayed
Objectives: Here, we present cases of mandibular fracture that were managed with the cortical lag screw fixation technique (CLSFT) in order to critically evaluate technique indications and limitations of application at various fracture sites. Materials and Methods: This was a retrospective cohort study. The study sample was composed of patients suffering from mandibular fractures that were treated by the CLSFT. The outcome variables were fracture type, duration of surgery, number of screws, and pattern of application...
December 31, 2020: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Zhen-Xiang Lin, Zai-Xing Pan, Qi-Qing Ye, Zhi-Qiang Zheng, Jie Lin
OBJECTIVE: This study aimed to investigate the effect of occlusal thickness design on fracture resistance of endocrowns restored with lithium disilicate ceramic and zirconia. METHODS: A total of 24 artificial first mandibular molars were randomly divided into four groups with six teeth in each group as follows: group lithium disilicate ceramic-2 mm (lithium disilicate ceramic, with an occlusal thickness of 2 mm and a retainer length of 4 mm); group lithium disilicate ceramic-4 mm (lithium disilicate ceramic, with an occlusal thickness of 4 mm and a retainer length of 2 mm); group zirconia-2 mm (zirconia, with an occlusal thickness of 2 mm and a retainer length of 4 mm); and group zirconia-4 mm (zirconia, with an occlusal thickness of 4 mm and a retainer length of 2 mm)...
December 1, 2020: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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