keyword
https://read.qxmd.com/read/38537115/risk-factors-for-revision-of-external-fixation-of-unstable-ankle-injuries
#1
JOURNAL ARTICLE
Adam M Schlauch, Ishan Shah, Benjamin Crawford, Amit Piple, Michael Krosin
INTRODUCTION: External fixation of unstable ankle injuries is commonly done by orthopaedic surgeons. An improper technique can negate the benefits of the procedure and necessitate revision. This study sought to determine the risk factors for revision of external fixation of unstable ankle injuries. METHODS: Retrospective cohort at a level I academic trauma center of 120 consecutive patients underwent external fixation of an unstable ankle injury. Exclusion criteria included external fixation for reason other than fracture, inadequate intraoperative imaging, skeletal immaturity, and follow-up less than 30 days...
April 1, 2024: Journal of the American Academy of Orthopaedic Surgeons. Global Research & Reviews
https://read.qxmd.com/read/38536722/accuracy-and-risk-factors-of-magerl-screw-placement-in-robot-assisted-atlantoaxial-surgery-a-case-series-study
#2
JOURNAL ARTICLE
Wu Jiayuan, Wei Yi, Duan Fangfang, He Da, Jiang Xieyuan, Tian Wei
BACKGROUND: To assess the accuracy of robot-assisted Magerl screw placement and explore the factors affecting the accuracy. METHODS: A retrospective analysis of patients who underwent robot-assisted Magerl screw placement was performed. The accuracy of Magerl screw placement was evaluated according to the Gertzbein and Robbins scale. RESULTS: 47 Magerl screws were placed in 24 consecutive patients. 32 Magerl screws were narrower than the C2 isthmus height and 26 of them were grade A...
February 2024: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/38536528/identification-of-qtls-for-symbiotic-nitrogen-fixation-and-related-traits-in-a-soybean-recombinant-inbred-line-population
#3
JOURNAL ARTICLE
C Bennet Krueger, Jeffery D Ray, James R Smith, Arun Prabhu Dhanapal, Muhammad Arifuzzaman, Fei Gao, Felix B Fritschi
The genetic architecture of symbiotic N fixation and related traits was investigated in the field. QTLs were identified for percent N derived from the atmosphere, shoot [N] and C to N ratio. Soybean [Glycine max (L.) Merr.] is cultivated worldwide and is the most abundant source of plant-based protein. Symbiotic N2 fixation (SNF) in legumes such as soybean is of great importance; however, yields may still be limited by N in both high yielding and stressful environments. To better understand the genetic architecture of SNF and facilitate the development of high yielding cultivars and sustainable soybean production in stressful environments, a recombinant inbred line population consisting of 190 lines, developed from a cross between PI 442012A and PI 404199, was evaluated for N derived from the atmosphere (Ndfa), N concentration ([N]), and C to N ratio (C/N) in three environments...
March 27, 2024: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://read.qxmd.com/read/38536427/-single-cut-derotational-osteotomy-of-the-distal-femur-for-correction-of-torsion-and-frontal-axis
#4
REVIEW
Florian B Imhoff, Mathieu Trierweiler
OBJECTIVE: A rotational osteotomy requires a complete cut of the bone in order to correct maltorsion. An additional correction of the frontal axis can be achieved via an oblique cut of the bone. The osteotomy with bone to bone contact is fixed with an angle stable plate. INDICATIONS: Symptoms such as anterior knee pain, inwardly pointing knee syndrome, lateral patellar subluxation or dislocation, lateral patellar hypercompression syndrome are a common indication for derivational osteotomy if clinically increased femoral internal rotation and radiologically increased femoral antetorsion is detected...
March 27, 2024: Operative Orthopädie und Traumatologie
https://read.qxmd.com/read/38536183/year-over-year-ventral-hernia-recurrence-rates-and-risk-factors
#5
JOURNAL ARTICLE
Priya Bhardwaj, Maria T Huayllani, Molly A Olson, Jeffrey E Janis
IMPORTANCE: Recurrence is one of the most challenging adverse events after ventral hernia repair as it impacts quality of life, utilization of resources, and subsequent need for re-repair. Rates of recurrence range from 30% to 80% after ventral hernia repair. OBJECTIVE: To determine the contemporary ventral hernia recurrence rate over time in patients with previous hernia repair and to determine risk factors associated with recurrence. DESIGN, SETTING, AND PARTICIPANTS: This retrospective, population-based study used the Abdominal Core Health Quality Collaborative registry to evaluate year-over-year recurrence rates in patients with prior ventral hernia repair between January 2012 and August 2022...
March 27, 2024: JAMA Surgery
https://read.qxmd.com/read/38535701/exploring-the-application-of-graphene-oxide-based-nanomaterials-in-the-repair-of-osteoporotic-fractures
#6
REVIEW
Hongfa Zhou, Jinyuan Chen, Xuan Zhang, JingJing Chen, Jiayou Chen, Shicheng Jia, Deli Wang, Hui Zeng, Jian Weng, Fei Yu
Osteoporotic fractures are induced by osteoporosis, which may lead to the degradation of bone tissues and microstructures and impair their healing ability. Conventional internal fixation therapies are ineffective in the treatment of osteoporotic fractures. Hence, developing tissue engineering materials is crucial for repairing osteoporotic fractures. It has been demonstrated that nanomaterials, particularly graphene oxide (GO), possess unique advantages in tissue engineering due to their excellent biocompatibility, mechanical properties, and osteoinductive abilities...
March 21, 2024: Nanomaterials
https://read.qxmd.com/read/38535171/continuous-planting-of-euhalophyte-suaeda-salsa-enhances-microbial-diversity-and-multifunctionality-of-saline-soil
#7
JOURNAL ARTICLE
Shuai Zhao, Xu Liu, Samiran Banerjee, Martin Hartmann, Bin Peng, Rylie Elvers, Zhen-Yong Zhao, Na Zhou, Jun-Jie Liu, Baozhan Wang, Chang-Yan Tian, Jiandong Jiang, Teng-Xiang Lian
Halophyte-based remediation emerges as a novel strategy for ameliorating saline soils, offering a sustainable alternative to conventional leaching methods. While bioremediation is recognized for its ability to energize soil fertility and structure, the complex interplays among plant traits, soil functions, and soil microbial diversity remain greatly unknown. Here, we conducted a 5-year field experiment involving the continuous cultivation of the annual halophyte Suaeda salsa in saline soils to explore soil microbial diversity and their relationships with plant traits and soil functions...
March 27, 2024: Applied and Environmental Microbiology
https://read.qxmd.com/read/38534896/no-end-in-sight-assessing-the-impact-of-internet-gaming-disorder-on-digital-eye-strain-symptoms-and-academic-success
#8
JOURNAL ARTICLE
Georgios D Floros, Mikes N Glynatsis, Ioanna Mylona
BACKGROUND: Internet Gaming Disorder (IGD) has been associated with symptoms of Digital Eye Strain (DES) and poor academic performance among adolescent students. The purpose of this study is to assess whether a student's achievement of a specific academic goal within a short period of time can be directly predicted by symptoms of IGD and DES. METHODS: This is a cross-sectional survey of 140 high school graduates who received an examination of visual acuity as a pre-requisite for entering the written admission examinations of law enforcement and military academies...
February 27, 2024: European journal of investigation in health, psychology and education
https://read.qxmd.com/read/38534553/off-label-use-of-an-external-hand-fixator-for-craniomaxillofacial-fractures-an-anatomical-feasibility-study
#9
JOURNAL ARTICLE
Florian Wichlas, Marco Necchi, Teresa Gruber, Valeska Hofmann, Susanne Deininger, Sebastian Hubertus Markus Deininger, Amelie Deluca, Eva Steidle-Kloc, Jan Pruszak, Jörn Wittig, Christian Deininger
BACKGROUND: The lack of resources limits the treatment of craniomaxillofacial fractures (CMF) in low-income countries (LIC). Therefore, Barton bandages and/or interdental wiring are considered in these regions. Fracture reduction is maintained by permanent occlusion for 6 weeks, which often leads to limited compliance and dissatisfying results. The aim of this cadaver-based study is to evaluate the feasibility of the use of an external face fixator (EFF) for the treatment of CMF, its biomechanical values and to define the optimal pin insertion points and angles...
March 15, 2024: Bioengineering
https://read.qxmd.com/read/38534086/unstable-vancouver-b1-periprosthetic-femoral-fracture-fixation-a-biomechanical-comparison-between-a-novel-c-shaped-memory-alloy-implant-and-cerclage-wiring
#10
JOURNAL ARTICLE
Seog-Hyun Oh, Yu-Sung Suh, Emmanuel Eghan-Acquah, Kollerov Mikhail Yurevich, Sung-Hun Won, Min Jung Baek, Sung-Jae Lee, Sung-Woo Choi
BACKGROUND: To compare the biomechanical stability of a novel, C-shaped nickel-titanium shape memory alloy (SMA) implant (C-clip) with traditional cerclage wiring in the fixation of a Vancouver B1 (VB1) periprosthetic femoral fracture (PFF). METHODS: In total, 18 synthetic femoral fracture models were constructed to obtain unstable VB1 fracture with an oblique fracture line 8 cm below the lesser trochanter. For each model, the distal portion was repaired using a 10-hole locking plate and four distal bi-cortical screws...
March 2024: Journal of International Medical Research
https://read.qxmd.com/read/38534009/evaluate-the-effect-of-bone-density-variation-on-stress-distribution-at-the-bone-implant-interface-using-numerical-analysis
#11
JOURNAL ARTICLE
Bhargav Hindurao, Aditya Gujare, Harshavardhan Jadhav, Pankaj Dhatrak
The current study aims to comprehend how different bone densities affect stress distribution at the bone-implant interface. This will help understand the behaviour and help predict success rates of the implant planted in different bone densities. The process of implantation involves the removal of bone from a small portion of the jawbone to replace either a lost tooth or an infected one and an implant is inserted in the cavity made as a result. Now the extent of fixation due to osseointegration is largely dependent on the condition of the bone in terms of the density...
March 27, 2024: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://read.qxmd.com/read/38533559/scleral-fixated-vs-iris-fixated-intraocular-lens-in-pediatric-ectopia-lentis-a-systematic-review
#12
REVIEW
Siti Halida Zoraida Soraya Alamsjah, Dian Estu Yulia, Sabrina Tan
Numerous intraocular lens (IOLs) options are available for treating pediatric ectopia lentis, and this paper reviews recent literature on pediatric ectopia lentis treatment with iris-fixated and scleral-fixated IOLs. A comprehensive search was undertaken on PubMed, Embase, ProQuest, Cochrane, Wiley, SCOPUS, and EBSCO. Studies published in the last ten years that met the inclusion criteria were included in this review. Seventeen studies exhibiting low to moderate risk of bias were included in this review, with eight on iris-fixated IOL (IFIOL), six on scleral-fixated IOL (SFIOL), and three on both IOLs...
March 27, 2024: European Journal of Ophthalmology
https://read.qxmd.com/read/38533426/lateral-fixation-for-talonavicular-arthrodesis-using-the-medial-approach-technique-tip
#13
JOURNAL ARTICLE
José Antonio Veiga Sanhudo, Thales Augusto de Santa Helena Ilha
No abstract text is available yet for this article.
January 2024: Foot & ankle orthopaedics
https://read.qxmd.com/read/38533420/an-eye-on-semantics-a-study-on-the-influence-of-concreteness-and-predictability-on-early-fixation-durations
#14
JOURNAL ARTICLE
Federica Magnabosco, Olaf Hauk
We used eye-tracking during natural reading to study how semantic control and representation mechanisms interact for the successful comprehension of sentences, by manipulating sentence context and single-word meaning. Specifically, we examined whether a word's semantic characteristic (concreteness) affects first fixation and gaze durations (FFDs and GDs) and whether it interacts with the predictability of a word. We used a linear mixed effects model including several possible psycholinguistic covariates. We found a small but reliable main effect of concreteness and replicated a predictability effect on FFDs, but we found no interaction between the two...
2024: Language, Cognition and Neuroscience
https://read.qxmd.com/read/38533418/association-between-spo-2-and-the-risk-of-death-in-elderly-t2dm-patients-with-cerebral-infarction-a-retrospective-cohort-study
#15
JOURNAL ARTICLE
Shuo Zhang, Jiaqi Ji, Siqi Gao, Shu Yang, Zeyi Song, Jianmin Li, Junjie Liu
OBJECTIVE: This study aimed to evaluate the SpO2 (transcutaneous oxygen saturation) -mortality link in elderly T2DM (diabetes mellitus type 2) patients with cerebral infarction and identify their optimal SpO2 range. METHODS: In this investigation, we employed a comprehensive approach. Initially, we screened the MIMIC-IV database, identifying elderly T2DM patients with cerebral infarction, utilizing specific ICD-9 and ICD-10 codes. We then harnessed the power of restricted cubic splines to craft a visual representation of the correlation between SpO2 and 1-year mortality...
2024: Frontiers in Neurology
https://read.qxmd.com/read/38533172/bilateral-intertrochanteric-femur-fractures-in-a-paraplegic-patient-a-case-report
#16
Anthony Forrest, Samuel G Eaddy, Zachary W Fulton, Benjamin Boothby
Bilateral intertrochanteric (IT) femur fractures are rare, and appropriate evaluation and treatment can vary depending on concurrent patient comorbidities. Even less has been described for patients with bilateral IT fractures with pre-existing paraplegia. This case report describes the unique case of a 72-year-old paraplegic female who presented with bilateral IT femur fractures due to a wheelchair accident. The patient was treated with single-stage bilateral cephalomedullary nail fixation so she could effectively transfer to and from the wheelchair with less pain and a greater chance of fracture union...
February 2024: Curēus
https://read.qxmd.com/read/38533157/distal-radius-fracture-therapy-utilization-following-traditional-open-reduction-and-internal-fixation-and-dorsal-bridge-plate-fixation
#17
JOURNAL ARTICLE
Lilah Fones, Lauren C O'Mara, Gregory Gallant, Moody Kwok, Jack Abboudi, Pedro Beredjiklian
Background Many distal radius fractures are treated with a volar locking plate, but a minority undergo dorsal bridge plate fixation. This study's primary purpose was to compare therapy utilization following distal radius fractures treated with traditional open reduction and internal fixation (ORIF) versus dorsal bridge plate fixation. Secondary outcomes were time to first and last therapy visits and therapy costs. Methods Patients over 18 years old who underwent distal radius ORIF between January 2021 and August 2022 at a single regional orthopedic practice were identified...
February 2024: Curēus
https://read.qxmd.com/read/38532867/osteochondritis-dissecans-of-the-hip-in-legg-calv%C3%A3-perthes-disease-case-report-and-review
#18
Luiz Renato Agrizzi de Angeli, Bárbara Lívia Corrêa Serafim, Felippi Guizardi Cordeiro, Felipe Spinelli Bessa, Daniel Augusto Carvalho Maranho
INTRODUCTION: Legg-Calvé-Perthes disease (LCPD) is the idiopathic osteonecrosis of the capital femoral epiphysis in children. It is a self-healing condition, and the morphology of the hip may vary according to the severity of the disease, among several other factors. The treatment focuses on attempts to prevent femoral head collapse, obtain functional hip motion recovery, and reduce pain. Osteochondritis Dissecans (OCD) of the femoral head has been reported in 2% to 7% of patients diagnosed with healed LCPD...
2024: Acta Ortopedica Brasileira
https://read.qxmd.com/read/38532769/arthroscopic-saucerization-of-discoid-lateral-meniscus-with-meniscus-repair-as-indicated-results-in-excellent-outcomes-in-pediatric-patients-younger-than-12-years-of-age
#19
JOURNAL ARTICLE
George A Rublev, Levan Natchkebia, Vazha Gaprindashvili, Mohamed Ahmed Mohamed, Tamaz Tamazishvili, Irakli Kartozia, Mikheil Zimlitski
PURPOSE: To evaluate the experiences and outcomes of arthroscopic partial meniscectomy in symptomatic non-Wrisberg discoid lateral meniscus in children younger than 12 years old at a single center. METHODS: We retrospectively reviewed the medical records of all pediatric patients who were treated for non-Wrisberg discoid meniscus at our institute between 2013 and 2021. Patients were separated into 2 groups: Patients who underwent partial resection with saucerization (group A) or patients who underwent saucerization, tear repair, and fixation (group B)...
April 2024: Arthroscopy, sports medicine, and rehabilitation
https://read.qxmd.com/read/38532766/comparison-of-time-zero-primary-stability-between-a-biodegradable-magnesium-bone-staple-and-metal-bone-staples-for-knee-ligament-fixation-a-biomechanical-study-in-a-porcine-model
#20
JOURNAL ARTICLE
Adrian Deichsel, Johannes Glasbrenner, Michael J Raschke, Matthias Klimek, Christian Peez, Thorben Briese, Elmar Herbst, Christoph Kittl
BACKGROUND: Bone staples have been shown previously to be a viable modality for cortical tendon graft fixation in ligament knee surgery. However, soft tissue reactions have been reported, making implant removal necessary. Magnesium alloys are a promising material for biodegradable orthopaedic implants, with mechanical properties closely resembling those of human bone. PURPOSE: To compare the primary stability of a biodegradable bone staple prototype made from magnesium to bone staples made from metal in the cortical fixation of tendon grafts during knee surgery...
March 2024: Orthopaedic Journal of Sports Medicine
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