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occlusal trauma

Yaseen Oweis, Zachary Viets, Anup S Shetty
In the acute care setting, radiologists are frequently asked to assist in the evaluation of patients presenting with signs and symptoms of lower extremity peripheral vascular disease. Non-traumatic peripheral vascular emergencies are most commonly the result of thrombosis, either in a native vessel or within a bypass graft or stent. Arterial emboli, peripheral aneurysm with embolus or thrombosis, and direct arterial trauma are additional, less common causes. Traumatic peripheral vascular emergencies include vessel occlusion, transection, pseudoaneurysms, active extravasation, and arteriovenous fistulas...
October 11, 2016: Abdominal Radiology
S Vo Quang, J Dichamp, C Tomat, M P Vazquez, A Picard, N Kadlub
INTRODUCTION: Subcondylar fractures are common in children. Occlusion disorders resulting from these fractures in deciduous or mixed dentition do not have as much impact as in adults due to alveolar adaption possibilities. Functional treatment allows for good functional results, but does not treat the dynamic shortening of the ramus. The objective of this study was to evaluate the axiographic condylar slope changes after subcondylar fracture in children. MATERIALS AND METHODS: A prospective study was conducted from 2010 to 2015, including all the under-18 patients presenting with a subcondylar fracture...
September 28, 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
Y Pan, J Zhao, J Mei, M Shao, J Zhang, H Wu
OBJECTIVE: The incidence of thrombus was investigated within retrievable filters placed in trauma patients with confirmed DVT at the time of retrieval and the optimal treatment for this clinical scenario was assessed. A technique called "filter retrieval with manual negative pressure aspiration thrombectomy" for management of filter thrombus was introduced and assessed. METHODS: The retrievable filters referred for retrieval between January 2008 and December 2015 were retrospectively reviewed to determine the incidence of filter thrombus on a pre-retrieval cavogram...
September 27, 2016: European Journal of Vascular and Endovascular Surgery
Y-L Tsai, W-C Liao, C-Y Wang, M-C Chang, S-H Chang, S-F Chang, C-W Chang, Y-D Huang, C-P Chan, J-H Jeng
AIM: To describe the clinical characteristics and radiographic findings of horizontal root fractures (HRF) in posterior teeth without a history of dental trauma. METHODOLOGY: A total 24 patients and 31 HRF cases in 28 posterior teeth were collected from 2006 to 2015. Clinical examinations and radiographic imaging were evaluated. Value of confidence intervals of the proportions were calculated for data presentation. RESULTS: The number of males (54%) was similar to females (46%)...
September 28, 2016: International Endodontic Journal
Aqueel H Pabaney, Richard A Rammo, Rizwan A Tahir, Donald Seyfried
BACKGROUND: Arteriovenous Malformations (AVMs) are hypothesized to be static, congenital lesions developing as early as 4 weeks of fetal life. New literature has shown that AVMs may represent dynamic and reactive vascular lesions arising from cerebral infarction, inflammation, or trauma. A literature search reveals 17 previously reported cases of new AVM formation after previous negative imaging studies. This reactive development or "second hit" theory suggests that at a molecular level, growth factors may play a vital role in aberrant angiogenesis and maturation of an arterio-venous fistula into an AVM...
September 23, 2016: World Neurosurgery
S E van Oostendorp, E C T H Tan, L M G Geeraedts
INTRODUCTION: Exsanguination following trauma is potentially preventable. Extremity tourniquets have been successfully implemented in military and civilian prehospital care. Prehospital control of bleeding from the torso and junctional area's remains challenging but offers a great potential to improve survival rates. This review aims to provide an overview of potential treatment options in both clinical as preclinical state of research on truncal and junctional bleeding. Since many options have been developed for application in the military primarily, translation to the civilian situation is discussed...
2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
David Dreizin, Arthur J Nam, Nikki Tirada, Martin D Levin, Deborah M Stein, Uttam K Bodanapally, Stuart E Mirvis, Felipe Munera
After the nasal bones, the mandible is the second most common site of facial fractures, and mandibular fractures frequently require open reduction. In the trauma injury setting, multidetector computed tomography (CT) has become the cornerstone imaging modality for determining the most appropriate treatment management, fixation method, and surgical approach. Multidetector CT is also used to assess the adequacy of the reduction and evaluate potential complications in the postoperative period. For successful restoration of the mandible's form and function, as well as management of posttraumatic and postoperative complications, reconstructive surgeons are required to have a detailed understanding of mandibular biomechanics, occlusion, and anatomy...
September 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Guofeng Xu, Lei He, Xiaoliang Fang, Dapeng Jiang, Longhu Jin, Houwei Lin, Maosheng Xu, Yeming Wu, Hongquan Geng
We report two successful treatment cases of renal artery occlusion (RAO) related to multiple trauma. A 4-year-old boy was diagnosed with right RAO and liver laceration after a traffic accident. Surgical thrombectomy and revascularization were performed, but lacerated liver not sutured. Lacerated liver was surgical repaired 6 days postoperation because of delayed bleeding. 13% of the patient's right kidney function was conserved. Another 7-year-old boy was compressed by an agitator. Renal scintigraphy showed that the right kidney was nonfunctional...
September 7, 2016: Urology
Xian-Zhen Xin, Xu Yang, Bin Wei
PURPOSE: In this study, different methods were used to observe and obtain the most effective one to establish occlusal trauma model in Sprague-Dawley rats. METHODS: SPF male SD rats weighing 150~200 g and aged 10 to 12 weeks were used in this study. The rats' maxillary molars were bonded with stainless steel wire, resin , casting half crown , casting half combined crowns, half crown using selective laser melting (SLM) technology, half combined crowns using SLM technology through Super-bond and Multi-link bonding under general anesthesia...
June 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Ronald Tesoriero, Brandon Bruns, Mayur Narayan, Joseph Dubose, Sundeep Guliani, Megan Brenner, Sharon Boswell, Deborah M Stein, Thomas Scalea
INTRODUCTION: Major pelvic disruption with hemorrhage has a high rate of lethality. Angiographic embolization remains the mainstay of treatment. Delays to angiography have been shown to worsen outcomes, in part because time spent awaiting mobilization of resources needed to perform angiography allows ongoing hemorrhage. Alternative techniques like pelvic pre-peritoneal packing (PPP) and aortic balloon occlusion (REBOA) now exist. We hypothesized that time to angiographic embolization at our level 1 trauma center would be longer than 90 minutes...
September 16, 2016: Journal of Trauma and Acute Care Surgery
Nicholas S Adams, Ronald D Ford
Hypothenar hammer syndrome (HHS) is a rare cause of digital ischemia and pain caused from repetitive trauma to the palm. Often related to occupational practices, thrombosis and embolization can occur. Treatment is often surgical and involves excision with or without reconstruction. We describe a 55 year-old, male pipe fitter previously diagnosed and treated for HHS with excision and repair using a reversed interpositional vein graft in the mid-1980's. He continued to work in the profession, which he regularly used his palm as a hammer and returned approximately 30 years later with recurrent symptoms of cold intolerance and pain...
October 2016: J Hand Surg Asian Pac Vol
Mahesh Verma, Sneha Menghani, Jyoti Devi, Rekha Gupta, Shubhra Gill
Functional forces are transmitted to the basal seat mucosa through a hard denture base during mastication. Such hard base dentures are not comfortably tolerated in patients with fragile oral mucosa and will cause sore spots, masticatory pain, and further resorption of alveolar bone. Soft liners materials can be advocated successfully to manage such clinical situations. The soft liner material absorbs masticatory forces by means of the cushioning effect and distributes occlusal forces uniformly to prevent trauma to compromised residual ridges...
2016: Case Reports in Dentistry
Rizvi Humaira, Chiu Yuen To, Shyam Moudgil, Richard Fessler
BACKGROUND: Brown-Séquard syndrome is typically caused by penetrating trauma to the cervical spinal cord; however, other compressive and vascular occlusive etiologies have been previously described. It is extremely uncommon to have a delayed presentation as an extramedullary compressive lesion from the venous varix of an acquired spinal arteriovenous fistula. CASE DESCRIPTION: We present a case of a patient in the fifth decade of life, with a remote history of gunshot wound to the left thorax with progressive left-sided weakness and contralateral pain and temperature sensory loss secondary to cord compression from an acquired spinal arteriovenous fistula...
September 2, 2016: World Neurosurgery
F Gentile, G Lundberg, R Hultgren
OBJECTIVE/BACKGROUND: To describe the risk factor distribution and outcome for patients with critical limb ischemia (CLI) due to infrapopliteal arterial lesions treated by endovascular or open procedures, with special consideration of diabetic patients. METHODS: Data were collected from the Swedish Vascular Registry, Swedvasc, covering all procedures performed on 549 consecutive patients between May 2008 and January 2014 at the Karolinska University Hospital. Diagnosis of ischemic rest pain and/or tissue loss and treatment of infrapopliteal arterial occlusive disease were considered...
September 1, 2016: European Journal of Vascular and Endovascular Surgery
K Trieb
Neuropathic changes in the foot are common with a prevalence of approximately 1%. The diagnosis of neuropathic arthropathy is often delayed in diabetic patients with harmful consequences including amputation. The appropriate diagnosis and treatment can avoid an extensive programme of treatment with significant morbidity for the patient, high costs and delayed surgery. The pathogenesis of a Charcot foot involves repetitive micro-trauma in a foot with impaired sensation and neurovascular changes caused by pathological innervation of the blood vessels...
September 2016: Bone & Joint Journal
Kevin E Houston, A M Barrett
PURPOSE: Patching for double vision is a common palliative treatment for head-trauma patients with acquired strabismus when prisms are not feasible. METHODS: We review literature on spatial neglect and discuss possible effects of monocular occlusion on spatial attention. RESULTS: Patching the left eye has been shown to worsen spatial judgments in some brain-injured patients with left neglect by inhibiting the right superior colliculus further impairing contralateral leftward orienting (the Sprague Effect)...
August 30, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Girish B Giraddi, Kirti Arora, A J Sai Anusha
AIMS: The aims of the study were to evaluate the efficacy of simultaneous interpositional arthroplasty with distraction osteogenesis (DO) as a single procedure and to give the patient acceptable functional rehabilitation with correction of the gross facial asymmetry. MATERIALS AND METHODS: Nine patients of temporomandibular joint (TMJ) ankylosis with micrognathia were treated with interpositional arthroplasty and simultaneous DO and followed for a period of minimum 3 years...
January 2016: Annals of Maxillofacial Surgery
Nickolay K Isaev, Elena V Stelmashook, Elisaveta E Genrikhs, Galina A Korshunova, Natalya V Sumbatyan, Marina R Kapkaeva, Vladimir P Skulachev
In 2008, using a model of compression brain ischemia, we presented the first evidence that mitochondria-targeted antioxidants of the SkQ family, i.e. SkQR1 [10-(6'-plastoquinonyl)decylrhodamine], have a neuroprotective action. It was shown that intraperitoneal injections of SkQR1 (0.5-1 μmol/kg) 1 day before ischemia significantly decreased the damaged brain area. Later, we studied in more detail the anti-ischemic action of this antioxidant in a model of experimental focal ischemia provoked by unilateral intravascular occlusion of the middle cerebral artery...
August 25, 2016: Reviews in the Neurosciences
Oluranti Olatokunbo daCosta, Elfleda Angelina Aikins, Gerald Ikenna Isiekwe, Virginia Efunyemi Adediran
INTRODUCTION: The aims of this study were to establish the prevalence of dental features that indicate a need for early intervention and to ascertain the prevalence of different methods of early treatment among a population of Nigerian children in mixed dentition. METHODS: Occlusal relationships were evaluated in 101 children in mixed dentition between the ages of 6 and 12 years who presented at the Orthodontic Unit, Department of Child Dental Health, Lagos University Teaching Hospital over a 2 years period...
July 2016: Journal of Orthodontic Science
Masaomi Kubota, Tomohiro Shibata, Hisato Gunji, Hiroshi Tsuneoka
BACKGROUND: Although a few cases with idiopathic horseshoe-like macular tear have been reported, the mechanism remains unknown and a standard treatment has yet to be determined. OBJECTIVE: To report the outcome for a patient with idiopathic horseshoe-like macular tear who underwent vitreous surgery. CASE REPORT: A 65-year-old man with no previous injury or ophthalmic disease presented with abnormal vision in his left eye. Best-corrected visual acuity was 0...
2016: International Medical Case Reports Journal
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