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https://www.readbyqxmd.com/read/29450562/-which-typical-foot-fractures-should-the-radiologist-know
#1
REVIEW
G Bratke, V Neuhaus, K Slebocki, S Haneder, R Rau
CLINICAL/METHODICAL ISSUE: Due to mechanical loading and the number of joints involved, fractures of the foot are among the most common fractures. STANDARD RADIOLOGICAL METHODS: X-ray is basis for diagnostic workup of all foot fractures. METHODICAL INNOVATIONS: For stress fractures, the additional use of magnetic resonance imaging (MRI) is indicated. Computed tomography (CT) can be used for preoperative imaging of intraarticular tarsal fractures...
February 15, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29444576/-fractures-of-the-fifth-metatarsal-base
#2
K Bušková, D Kuběnová, M Tuček
Fractures of the fifth metatarsal base are among the most common fractures of the foot. They are typically caused by indirect violence during sports activities. This region is also a site where stress fractures occur frequently. Diagnosis is based on the patients medical history, clinical examination and imaging methods. The fundamental imaging method is radiography of the foot in three views. MRI is used primarily for early diagnosis of stress fractures. CT examination is beneficial mainly in complex foot injuries, in order to rule out associated fractures...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29444207/the-functional-network-signature-of-heterogeneity-in-freezing-of-gait
#3
Kaylena A Ehgoetz Martens, Julie M Hall, Matthew J Georgiades, Moran Gilat, Courtney C Walton, Elie Matar, Simon J G Lewis, James M Shine
Freezing of gait is a complex, heterogeneous, and highly variable phenomenon whose pathophysiology and neural signature remains enigmatic. Evidence suggests that freezing is associated with impairments across cognitive, motor and affective domains; however, most research to date has focused on investigating one axis of freezing of gait in isolation. This has led to inconsistent findings and a range of different pathophysiological models of freezing of gait, due in large part to the tendency for studies to investigate freezing of gait as a homogeneous entity...
February 9, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29443831/assessment-of-the-effect-of-autograft-orientation-on-peripheral-nerve-regeneration-using-diffusion-tensor-imaging
#4
Ashkan Afshari, Lyly Nguyen, Nathaniel D Kelm, Justine S Kim, Nancy L Cardwell, Alonda C Pollins, Ravinder Bamba, R Bruce Shack, Mark D Does, Wesley P Thayer
PURPOSE: Given no definite consensus on the accepted autograft orientation during peripheral nerve injury repair, we compare outcomes between reverse and normally oriented autografts using an advanced magnetic resonance imaging technique, diffusion tensor imaging. METHODS: Thirty-six female Sprague-Dawley rats were divided into 3 groups: sham-left sciatic nerve isolation without injury, reverse autograft-10-mm cut left sciatic nerve segment reoriented 180° and used to coapt the proximal and distal stumps, or normally oriented autograft-10-mm cut nerve segment kept in its normal orientation for coaptation...
February 13, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29430056/osteochondral-lesion-of-the-distal-tibial-plafond-in-an-adolescent-soccer-player-a-case-report
#5
Melissa Corso, Christopher DeGraauw, William Hsu
Introduction: Osteochondral lesions of the tibial plafond account for approximately 2.6% of osteochondral lesions in the ankle. There are few cases describing this lesion in the literature, with little information on mechanism of injury, history/physical findings or recommendations for management. Case Presentation: A 17-year-old male competitive soccer player presented with a 6-7 month history of medial ankle pain after an inversion sprain. He presented with locking and giving way of the ankle with weight-bearing and pushing off the foot to the contralateral side...
December 2017: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/29424413/-acute-polyradiculoneuropathy-associated-with-human-herpes-virus-7-in-an-immunocompetent-patient-case-report
#6
Paula Jara, José Manuel Matamala, Renato Verdugo, Luis Thompson
Human herpes virus 7 (HHV-7) is a cause of encephalitis, meningitis and myeloradiculoneuropathy in adults who are immunocompetent or with immunosuppression. The involvement of the peripheral nervous system is always associated with myelitis. We report a case of acute polyradiculoneuropathy due to HHV-7, without involvement of central nervous system, in an immunocompetent patient. A 35-years-old man complained of lumbar pain radiating to both buttocks. On examination muscle strength and tendon reflexes were normal...
September 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29415676/chiari-malformation-type-1-presenting-as-unilateral-progressive-foot-drop-a-case-report-and-review-of-literature
#7
Chamara Jayamanne, Lakkumar Fernando, Sachith Mettananda
BACKGROUND: Foot drop is a disabling clinical condition with multiplicity of causes, which requires detailed evaluation to identify the exact aetiology. Here, we report an extremely rare cause of foot drop in a child, which if not recognized early, could lead to multiple complications. CASE PRESENTATION: A 6-year-old girl presented with difficulty in walking and left sided foot droop for1-month duration. On examination she had reduced muscle power in dorsiflexors and plantar flexors and diminished knee and absent ankle jerk in the left side...
February 7, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29414290/correlation-between-the-corpus-callosum-index-and-brain-atrophy-lesion-load-and-cognitive-dysfunction-in-multiple-sclerosis
#8
Lucas Immich Gonçalves, Giordani Rodrigues Dos Passos, Lucas Piccoli Conzatti, Jorge Luiz Palmeiro Burger, Gustavo Henrique Tomasi, Manuella Édler Zandoná, Luciana Schermann Azambuja, Irênio Gomes, Alexandre Franco, Douglas Kazutoshi Sato, Jefferson Becker
BACKGROUND: The corpus callosum index (CCI) can be easily and reliably obtained from conventional magnetic resonance imaging (MRI) and has been proposed as a possible marker of brain atrophy in MS. However, further validation of its correlation with volumetric measurements is still warranted. OBJECTIVE: To assess the correlation of the CCI with the corpus callosum volume (CCV), brain and lesion volumes, and level of disability in MS. METHODS: Cross-sectional, exploratory study including patients with relapsing-remitting MS...
January 26, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29410839/achilles-tendon-moment-arm-in-humans-is-not-affected-by-inversion-eversion-of-the-foot-a-short-report
#9
Susann Wolfram, Christopher I Morse, Keith L Winwood, Emma Hodson-Tole, Islay M McEwan
The triceps surae primarily acts as plantarflexor of the ankle joint. However, the group also causes inversion and eversion at the subtalar joint. Despite this, the Achilles tendon moment arm is generally measured without considering the potential influence of inversion/eversion of the foot during plantarflexion. This study investigated the effect of foot inversion and eversion on the plantarflexion Achilles tendon moment arm. Achilles tendon moment arms were determined using the centre-of-rotation method in magnetic resonance images of the left ankle of 11 participants...
January 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29409207/relationship-between-symptomatic-osteochondral-lesions-of-the-talus-and-quality-of-life-body-mass-index-age-size-and-anatomic-location
#10
Riccardo D'Ambrosi, Camilla Maccario, Nicola Serra, Chiara Ursino, Federico Giuseppe Usuelli
INTRODUCTION: The aim of the study was to assess the relationship between symptomatic osteochondral lesions of the talus (OLTs) and age, body mass index (BMI), quality of life (QOL), size and anatomic location. METHODS: Fifty-two patients with chronic OLTs were analyzed including BMI, Visual Analogue Scale (VAS), American Orthopaedic Foot and Ankle Society (AOFAS), Short-Form Health Survey (SF-12 divided into Mental (MCS) and Physical (PCS) score) and the 12-Item General Health Questionnaire (GHQ-12)...
April 23, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29405809/impairment-based-rehabilitation-increases-lower-leg-muscle-volumes-and-strength-in-chronic-ankle-instability-patients-a-preliminary-study
#11
Mark A Feger, Luke Donovan, C Collin Herb, Geoffrey G Handsfield, Silvia S Blemker, Joseph M Hart, Susan A Saliba, Mark F Abel, Joseph S Park, Jay Hertel
CONTEXT: Chronic ankle instability (CAI) patients have demonstrated atrophy of foot and ankle musculature and deficits in ankle strength. The effect of rehabilitation on muscle morphology and ankle strength has not previously been investigated in CAI patients. OBJECTIVE: Our objective was to analyze the effect of impairment-based rehabilitation on intrinsic and extrinsic foot and ankle muscle volumes and strength in CAI patients. DESIGN: Controlled laboratory study...
February 6, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29404669/clinical-and-magnetic-resonance-imaging-assessment-of-anatomical-lateral-ankle-ligament-reconstruction-comparison-of-tendon-allograft-and-autograft
#12
Qianru Li, Kui Ma, Hongyue Tao, Yinghui Hua, Shuang Chen, Shiyi Chen, Yutong Zhao
PURPOSE: To compare the results of anatomical lateral ankle ligament (LAL) reconstruction with tendon allograft and autograft using clinical scores and ultrashort echo time (UTE) sequence of MRI. METHODS: A total of 26 patients with LAL reconstruction were recruited in this study, including 16 using semitendinosus allografts and 10 using semitendinosus autograft. All of them were diagnosed as chronic ankle instability and accepted anatomic reconstruction. The American Orthopedic Foot and Ankle Society (AOFAS) score, Karlsson score, and radiological evaluation using MRI UTE scanning were extracted from each patient...
February 5, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29399973/remote-limb-ischemic-postconditioning-promotes-motor-function-recovery-in-a-rat-model-of-ischemic-stroke-via-the-up-regulation-of-endogenous-tissue-kallikrein
#13
Dan Liang, Xi-Biao He, Zheng Wang, Ce Li, Bei-Yao Gao, Jun-Fa Wu, Yu-Long Bai
AIMS: Remote ischemic conditionings, such as pre- and per-conditioning, are known to provide cardioprotection in animal models of ischemia. However, little is known about the neuroprotection effect of postconditioning after cerebral ischemia. In this study, we aim to evaluate the motor function rescuing effect of remote limb ischemic postconditioning (RIPostC) in a rat model of acute cerebral stroke. METHODS: Left middle cerebral artery occlusion (MCAO) was performed to generate the rat model of ischemic stroke, followed by daily RIPostC treatment for maximum 21 days...
February 4, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29397294/a-prospective-study-of-coracoclavicular-ligament-reconstruction-with-autogenous-peroneus-longus-tendon-for-acromioclavicular-joint-dislocations
#14
Yu Zhu, Peilin Hsueh, Bingfang Zeng, Yimin Chai, Changqing Zhang, Yunfeng Chen, Yuchen Wang, Tuerxun Maimaitiaili
BACKGROUND: Anatomic coracoclavicular (CC) ligament reconstruction (ACCR) provides good outcomes for Rockwood type III and VI acromioclavicular (AC) joint dislocations. Various grafts have been used, but complications from graft harvesting are not uncommon. This study examined the clinical and radiographic outcomes of patients with AC joint dislocations repaired with the autogenous anterior half of the peroneus longus tendon (AHPLT) to achieve ACCR. METHODS: Patients with a Rockwood type III to V AC joint dislocation and magnetic resonance imaging of the disruption of the CC ligaments, as well as the AC capsule, were prospectively recruited...
January 31, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29392406/importance-of-complete-phenotyping-in-prenatal-whole-exome-sequencing
#15
Mahmoud Aarabi, Olivia Sniezek, Huaiyang Jiang, Devereux N Saller, Daniel Bellissimo, Svetlana A Yatsenko, Aleksandar Rajkovic
Whole exome sequencing (WES) is an emerging technique in prenatal diagnosis. In this retrospective study, we examined diagnostic utility and limitations of WES in prenatal cases with structural birth defects. DNA from 20 trios (fetal and parental), with normal karyotype and microarray findings, underwent WES and variant interpretation at a reference laboratory. The WES results were later re-evaluated in our academic center utilizing prenatal and postnatal phenotyping. Initial analysis using only prenatal ultrasound findings revealed no pathogenic or likely pathogenic variants in 20 pregnancies with structural birth defects...
February 1, 2018: Human Genetics
https://www.readbyqxmd.com/read/29374314/-advanced-cartilage-imaging-for-detection-of-cartilage-injuries-and-osteochondral-lesions
#16
REVIEW
A S Gersing, B J Schwaiger, K Wörtler, P M Jungmann
BACKGROUND: Osteochondral defects represent a main risk factor for osteoarthritis of the ankle. OBJECTIVES: The aim of this article is to provide an overview of current optimal clinical cartilage imaging techniques of the foot and ankle and to show typical osteochondral injuries on imaging. MATERIALS AND METHODS: A thorough literature search was performed and was supported by personal experience. RESULTS: Cartilage imaging of the foot and ankle remains challenging...
January 26, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29373140/-foot-drop-an-iatrogenic-complication-of-spinal-anesthesia
#17
Vipin Kumar Goyal, Vijay Mathur
BACKGROUND AND OBJECTIVES: Foot drop in postoperative period is very rare after spinal anesthesia. Early clinical assessment and diagnostic interventions is of prime importance to establish the etiology and to start appropriate management. Close follow-up is warranted in early postoperative period in cases when patient complain paresthesia or pain during needle insertion or drug injection. CASE REPORT: A 22-year-old male was undergone lower limb orthopedic surgery in spinal anesthesia...
January 16, 2018: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/29354748/spondylolisthesis-with-spondylolysis-in-a-17-month-old-a-case-report
#18
Marc O'Donnell, William F Lavelle, Mike H Sun
Spondylolysis is frequently seen in adolescents, typically at the L5 vertebral level. While there may be a congenital predisposition for spondylolysis, it has long been suggested that the defect results from a fatigue or stress fracture of the pars interarticularis. Spondylolisthesis may result from a bilateral spondylolytic defect and is frequently asymptomatic. There is a paucity of literature on infant and toddler spondylolysis, as the focus is primarily on school-aged children, typically those over ten years of age...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29350636/imaging-of-pediatric-foot-disorders
#19
Alfonso Reginelli, Anna Russo, Fabrizio Turrizziani, Roberto Picascia, Elisa Micheletti, Vittoria Galeazzi, Umberto Russo, Assunta Sica, Fabrizio Cioce, Alberto Aliprandi, Andrea Giovagnoni, Salvatore Cappabianca
Infants and children undergo imaging studies to evaluate a wide variety of congenital and acquired disorders. Imaging protocols have to consider the patient's comfort, level of anxiety, and smaller size. The first imaging study is usually made with plain radiographs. The routine radiographic examination of the foot includes the anteroposterior (AP), lateral, and oblique projections. Magnetic Resonance Imaging (RMI) provides excellent anatomic detail of cartilage, vasculature and soft tissue thanks to superior soft tissue contrast and spatial resolution, so is valuable in many cases...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29331288/hallux-valgus-evaluation-on-mri-can-measurements-validated-on-radiographs-be-used
#20
Nathan Heineman, Yin Xi, Lihua Zhang, Riham Dessouky, Jed Hummel, Justin Skweres, Dane Wukich, Avneesh Chhabra
Hallux valgus (HV) is a common deformity of the great toe affecting >23% of adults in the United States. The severity of the deformity is traditionally analyzed using radiographs to determine measurements such as the HV and intermetatarsal angles. We sought to determine the relationship between the radiographic and magnetic resonance imaging (MRI) measurements because this is not yet known. Two of us analyzed a series of 56 consecutive patients who had had radiographs and MRI performed on the same foot between April 27, 2015 and March 9, 2016 and who satisfied all other inclusion and exclusion criteria (age 18 to 100 years, no history of recent foot trauma, and no metal hardware in the foot)...
January 11, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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