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https://www.readbyqxmd.com/read/28087397/elbow-locking-in-a-patient-with-a-congenital-radial-head-dislocation-case-report
#1
Hee-June Kim, Poong-Taek Kim, Hyun-Joo Lee, Maria Florencia Deslivia
Snapping elbow is a rare condition which has various possible causes such as impinged plica, annular ligament, or other extra-articular causes. We report a case of 15-year-old boy who had had snapping elbow and sudden onset flexion contracture of the elbow. Simple radiographs showed bilateral anterior dislocation of hypoplastic radial heads. Magnetic resonance images with the elbow extended as much as possible showed that the annular ligament hemmed the dislocated radial neck. By surgical incision of the annular ligament which checkreined the radial neck, the patients could regain full extension of the elbow...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087165/radiographic-comparison-of-adolescent-athletes-with-elbow-osteochondritis-dissecans-to-ulnar-collateral-ligament-injuries-and-controls
#2
Brian C Lau, Nirav K Pandya
BACKGROUND: There are excellent data supporting recommendations to prevent elbow injuries (osteochondritis dissecans [OCD] and ulnar collateral ligament [UCL] injuries), such as pitch count and pitch type in baseball, but anatomic risk factors have not been thoroughly examined. This study aimed to evaluate radiographic measurements in adolescents with elbow OCD lesions or UCL injuries and controls. METHODS: We retrospectively identified adolescent patients between 2011 and 2016 with isolated capitellum OCD, UCL tear, or normal elbows based on magnetic resonance imaging...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28072734/closed-reduction-using-the-percutaneous-leverage-technique-and-internal-fixation-with-k-wires-to-treat-angulated-radial-neck-fractures-in-children-case-report
#3
Hai Jiang, Yongtao Wu, Youting Dang, Yusheng Qiu
: Pediatric radial neck fractures are uncommon. Severely displaced and angulated fractures usually require treatment. Our goals for treatment are to avoid incision, reduce the fracture adequately with no reduction loss, and achieve good postoperative function. We aimed to observe the clinical outcomes of closed reduction with the percutaneous leverage technique and internal fixation with Kirschner-wires (K-wires) to treat angulated radial neck fractures in children.From January 2011 to April 2013, we treated 16 cases of angulated radial neck fracture in 12 boys and 4 girls...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28062176/characteristics-and-surgical-management-of-flap-compromise-caused-by-thrombosis-of-the-internal-jugular-vein
#4
Bin Yang, Yi Qu, Ming Su, Jinzhong Li, Hua Li, Rudong Xing, Zhengxue Han
BACKGROUND: A principal reason for flap compromise in oral and maxillofacial head and neck surgery, and failure of a free flap transfer, is thrombosis of a drainage vein such as the internal jugular vein. This study characterized flap compromise caused by internal jugular vein thrombosis after a free flap transfer, and its management. PATIENTS AND METHODS: A retrospective clinical study was conducted of 306 consecutive microvascular free flaps performed for 305 patients with head and neck cancer from March 2003 to March 2013 at the Department of Oral and Maxillofacial Surgery at Beijing Stomatological Hospital, Capital Medical University...
December 18, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28061548/suprafascial-harvest-of-the-radial-forearm-free-flap-decreases-the-risk-of-postoperative-tendon-exposure
#5
David C Shonka, Nikita V Kohli, Benjamin M Milam, Mark J Jameson
OBJECTIVE: To determine if suprafascial harvest of the radial forearm free flap improves postoperative donor site outcomes compared to subfascial harvest. METHODS: Retrospective chart review. RESULTS: Forty-six patients underwent reconstruction of a head and neck defect with a radial forearm free flap (RFFF). Subfascial harvest of the RFFF was performed in 25 (53%) patients and suprafascial harvest performed in 22 (47%) patients. All donor sites were covered with a split thickness skin graft and a bolster that remained in place for 6 days...
January 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28050547/radial-head-fracture-associated-with-posterior-interosseous-nerve-injury
#6
Bernardo Barcellos Terra, Tannus Jorge Sassine, Guilherme de Freitas Lima, Leandro Marano Rodrigues, David Victoria Hoffmann Padua, Anderson de Nadai
: Fractures of the radial head and radial neck correspond to 1.7-5.4% of all fractures and approximately 30% may present associated injuries. In the literature, there are few reports of radial head fracture with posterior interosseous nerve injury. This study aimed to report a case of radial head fracture associated with posterior interosseous nerve injury. CASE REPORT: A male patient, aged 42 years, sought medical care after falling from a skateboard. The patient related pain and limitation of movement in the right elbow and difficulty to extend the fingers of the right hand...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28019647/a-novel-surrogate-to-identify-anatomical-changes-during-radiotherapy-of-head-and-neck-cancer-patients
#7
Sébastien A A Gros, William Xu, John C Roeske, Mehe Choi, Bahman Emami, Murat Surucu
To develop a novel method to monitor external anatomical changes in head and neck cancer patients in order to triage possible adaptive radiotherapy needs METHODS: The presented approach aims to provide information on internal anatomical changes based on variations observed in external anatomy. Setup Cone Beam Computed Tomography (CBCT) images are processed to produce an accurate external contour of the patient's skin. After registering the CBCTs to the reference planning CT, the external contours from each CBCT are transferred to the initial- first week - CBCT...
December 26, 2016: Medical Physics
https://www.readbyqxmd.com/read/27983899/-the-use-of-microvascular-free-flaps-in-head-and-neck-reconstruction-performed-by-the-otorhinolaryngologists-a-series-of-65-flaps
#8
Bora Başaran, Selin Ünsaler, İsmet Aslan
OBJECTIVES: This study aims to assess the success rate of surgery and postoperative morbidity in patients who underwent major head and neck surgery with reconstruction by microvascular free flaps performed by otolaryngologists. PATIENTS AND METHODS: We retrospectively analyzed the medical records of 63 patients (31 males, 32 females; mean age 47.9±12.5 years; range 20-71 years) operated in our clinic between September 2012 - August 2016. The indications of reconstruction by free flap, success rates, need for revision and re-exploration, reasons of flap failure, morbidity and mortality were evaluated...
November 2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
https://www.readbyqxmd.com/read/27956519/advancing-marksman-into-contralateral-vertebral-artery-in-the-treatment-of-intradural-vertebral-artery-dissecting-aneurysm-with-pipeline
#9
Yupeng Zhang, Shikai Liang, Chuhan Jiang
Unruptured vertebral arteries dissecting aneurysms have a benign clinical course. The most common symptoms compromise headache, neck pain, dizziness and vomiting. The optimal endovascular treatment option remains controversial. Reconstructive techniques have many advantages over deconstructive ones since the advent of flow diverters such as the Pipeline embolization device (PED). Here, we present a case successfully treated with a PED through a combination of the radial access and advancement of the Marksman catheter into the contralateral vertebral artery due to the special angio-architecture of the patient...
December 12, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27956518/use-of-self-expanding-stents-for-better-intracranial-flow-diverter-wall-apposition
#10
Anna Luisa Kühn, Ajay K Wakhloo, Matthew J Gounis, Peter Kan, Katyucia de Macedo Rodrigues, J Diego Lozano, Miklos G Marosfoi, Mary Perras, Christopher Brooks, Mary C Howk, David E Rex, Francesco Massari, Ajit S Puri
BACKGROUND: Flow diverter (FD) malapposition is associated with stroke-related complications. We document the use of self-expanding nitinol stents to remove/reduce the ledge of a FD deployed for aneurysm treatment. METHODS: We identified five patients who were treated with the Pipeline embolization device (PED) in conjunction with a Neuroform EZ stent for inadequate wall apposition of the ends of the FD at our institution between May 2014 and July 2015. Among other parameters, angiographic results, cone-beam computed tomography assessment of wall apposition and patient clinical outcome were evaluated...
December 12, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27921015/pediatric-olecranon-fractures-associated-with-radial-neck-fractures-review-and-report-of-two-cases
#11
Kemal Gokkus, Ozkan Kose, Murat Saylik, Ergin Sagtas, Ahmet Turan Aydin
INTRODUCTION: The debate regarding the description on classification and nomenclature of the injury which includes olecranon fracture associated with radial neck fractures in children is ongoing. We report two pediatric cases that could not be classified in a Monteggia-equivalents system and were treated with open reduction and k-wire fixation. The aim of this study was to perform a systematic review regarding pediatric radial neck fractures associated with olecranon fractures and presentation of two pediatric cases of olecranon fractures associated with radial neck fractures with radiocapitellar dislocation...
July 2016: Trauma Monthly
https://www.readbyqxmd.com/read/27919594/clinical-audit-and-national-survey-on-the-assessment-of-collateral-circulation-before-radial-forearm-free-flap-harvest
#12
Anwer Abdullakutty, Mandeep S Bajwa, Sonum Patel, Jacob D'Souza
Controversy exists regarding the use of Duplex Ultrasound (DUS) in addition to the Modified Allen's Test (MAT) for the assessment of collateral circulation prior to elevation of the Radial Forearm Free Flap (RFFF). A survey amongst members of BAOMS Head & Neck Oncology Subspecialty Interest Group and a completed local audit was undertaken to assess the need for DUS. Data for the initial audit was collected retrospectively between 2010 and 2013. Both MAT and DUS was performed routinely during this period. The results of the survey and initial audit led to a change in practice and DUS was no longer requested...
January 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27898493/complex-monteggia-fracture-in-a-5-year-old
#13
Tyler R Clark, Daniel S Merriott, Joseph A Gonzales
Monteggia fractures comprise a small subset of fractures in the pediatric population that are normally reduced nonoperatively. Complex Monteggia fractures can be more difficult to identify and require operative intervention. We describe a case of a Bado type I Monteggia fracture with a posteriorly dislocated radial head and neck fracture that has not been described before in the literature. The patient required advanced imaging because of ossification delays and led to an operative intervention to reduce the radial head and neck...
January 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27870878/3d-vmat-verification-based-on-monte-carlo-log-file-simulation-with-experimental-feedback-from-film-dosimetry
#14
A R Barbeiro, A Ureba, J A Baeza, R Linares, M Perucha, E Jiménez-Ortega, S Velázquez, J C Mateos, A Leal
A model based on a specific phantom, called QuAArC, has been designed for the evaluation of planning and verification systems of complex radiotherapy treatments, such as volumetric modulated arc therapy (VMAT). This model uses the high accuracy provided by the Monte Carlo (MC) simulation of log files and allows the experimental feedback from the high spatial resolution of films hosted in QuAArC. This cylindrical phantom was specifically designed to host films rolled at different radial distances able to take into account the entrance fluence and the 3D dose distribution...
2016: PloS One
https://www.readbyqxmd.com/read/27865001/romosozumab-improves-bone-mass-and-strength-while-maintaining-bone-quality-in-ovariectomized-cynomolgus-monkeys
#15
Michael S Ominsky, Steven K Boyd, Aurore Varela, Jacquelin Jolette, Melanie Felx, Nancy Doyle, Nacera Mellal, Susan Y Smith, Kathrin Locher, Sabina Buntich, Ian Pyrah, Rogely W Boyce
Romosozumab (Romo), a humanized sclerostin antibody, is a bone-forming agent under development for treatment of osteoporosis. To examine the effects of Romo on bone quality, mature cynomolgus monkeys (cynos) were treated 4 months post- ovariectomy (OVX) with vehicle, 3 mg/kg, or 30 mg/kg Romo for 12 months, or with 30 mg/kg Romo for 6 months followed by vehicle for 6 months (30/0). Serum bone formation markers were increased by Romo during the first 6 months, corresponding to increased cancellous, endocortical, and periosteal bone formation in rib and iliac biopsies at months 3 and 6...
November 10, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27862538/free-thyroid-transfer-short-term-results-of-a-novel-procedure-to-prevent-post-radiation-hypothyroidism
#16
Jeffrey Harris, Brittany Barber, Hani Almarzouki, Rufus Scrimger, Jacques Romney, Daniel O'Connell, Mark Urken, Hadi Seikaly
BACKGROUND: The incidence of radiation-induced hypothyroidism (RIH) in patients with head and neck cancer is >50%. The purpose of this study was to assess the long-term efficacy of free thyroid transfer (FTT) for prevention of RIH in patients with head and neck cancer. METHODS: Hemithyroid dissection was completed in 10 patients with advanced head and neck cancer undergoing ablation, radial forearm free flap (RFFF) reconstruction, and postoperative radiotherapy (RT)...
November 15, 2016: Head & Neck
https://www.readbyqxmd.com/read/27806606/anisotropy-of-dose-contributions-an-instrument-to-upgrade-real-time-imrt-and-vmat-adaptation
#17
Klaus Bratengeier, Kostyantyn Holubyev
PURPOSE: To suggest a definition of dose deposition anisotropy for the purpose of ad hoc adaptation of intensity modulated arc therapy (IMRT) and volumetric arc therapy (VMAT), particularly in the vicinity of important organs at risk (OAR), also for large deformations. METHODS: Beam's-eye-view (BEV) based fluence warping is a standard adaptation method with disadvantages for strongly varying OAR shapes. 2-Step-adaptation overcomes these difficulties by a deeper analysis of the 3D properties of adaptation processes, but requires separate arcs for every OAR to spare, which makes it impractical for cases with multiple OARs...
November 2016: Medical Physics
https://www.readbyqxmd.com/read/27800460/metacarpal-neck-fractures-a-review-of-surgical-indications-and-techniques
#18
REVIEW
Eric M Padegimas, William J Warrender, Christopher M Jones, Asif M Ilyas
CONTEXT: Hand injuries are a common emergency department presentation. Metacarpal fractures account for 40% of all hand fractures and can be seen in the setting of low or high energy trauma. The most common injury pattern is a metacarpal neck fracture. In this study, the authors aim to review the surgical indications for metacarpal neck fractures, the fixation options available along with the risk and benefits of each. EVIDENCE ACQUISITION: Literature review of the different treatment modalities for metacarpal neck fractures...
September 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/27780504/treatment-of-osteoporotic-intertrochanteric-fractures-by-zoledronic-acid-injection-combined-with-proximal-femoral-nail-anti-rotation
#19
Yong Li, Wen-Bo Zhao, De-Li Wang, Qing He, Qin Li, Fu-Xing Pei, Lei Liu
OBJECTIVE: To observe the clinical results of proximal femoral nail anti-rotation (PFNA) combined with zoledronic acid injection in the treatment of osteoporotic intertrochanteric fractures in the elderly. METHODS: 60 elderly patients with osteoporotic intertrochanteric fractures were diagnosed using a dual energy X-ray bone density instrument. Patients were randomly divided into treatment or control groups (30 cases in each group). Patients in both groups were treated by closed/open reduction and internal fixation using PFNA...
October 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/27770839/anomalous-medial-branch-of-radial-artery-a-rare-variant
#20
Surbhi Wadhwa, Vandana Tomar
Radial artery is an important consistent vessel of the upper limb. It is a useful vascular access site for coronary procedures and its reliable anatomy has resulted in an elevation of radial forearm flaps for reconstructive surgeries of head and neck. Technical failures, in both the procedures, are mainly due to anatomical variations, such as radial loops, ectopic radial arteries or tortuosity in the vessel. We present a rare and a unique anomalous medial branch of the radial artery spiraling around the flexor carpi radialis muscle in the forearm with a high rising superficial palmar branch of radial artery...
2016: Acta Medica (Hradec Králové)
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