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https://www.readbyqxmd.com/read/28318740/upper-limb-dimelia
#1
Takehiko Takagi, Ayano Nojiri, Atsuhito Seki, Shinichiro Takayama, Masahiko Watanabe
A patient with upper limb dimelia including a double scapula, humerus, radius, and ulna, 11 metacarpals and digits (5 on the superior side, 6 on the inferior side) was treated with a simple amputation of the inferior limb resulting in cosmetic improvement and maintenance of range of motion in the preserved limb. During the amputation, the 2 limbs were found to be anatomically separate except for the ulnar nerve, which, in the superior limb, bifurcated into the sensory branch of radial nerve in the inferior limb, and the brachial artery, which bifurcated into the radial artery...
March 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28315514/optic-nerve-head-in-central-retinal-vein-occlusion-by-spectral-domain-oct
#2
Antonio Longo, Teresio Avitabile, Maurizio G Uva, Vincenza Bonfiglio, Andrea Russo, Mario D Toro, Caterina Gagliano, Matteo Fallico, Michele Reibaldi
PURPOSE: To evaluate the morphology of optic nerve head by spectral-domain optical coherence tomography (SD-OCT) in patients with unilateral central retinal vein occlusion (CRVO). METHODS: In 39 consecutive patients with unilateral CRVO and 39 healthy controls, morphologic parameters of optic nerve head were assessed in both eyes by Spectralis SD-OCT using a custom radial B-scan pattern. The length of Bruch membrane opening (BMO) was measured in OCT scans, and optic disc diameters (DD) were assessed in infrared fundus photographs...
February 28, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#3
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28297027/underlying-microstructure-of-parapapillary-deep-layer-capillary-dropout-identified-by-optical-coherence-tomography-angiography
#4
Eun Ji Lee, Tae-Woo Kim, Seung Hyen Lee, Jung-Ah Kim
Purpose: To characterize the microstructure underlying the parapapillary deep-layer microvasculature dropout (MvD) identified by optical coherence tomography (OCT) angiography (OCTA) in eyes with primary open-angle glaucoma (POAG). Methods: Parapapillary MvD was defined as a focal sectoral capillary dropout without any visible microvascular network identified in deep-layer en face images obtained using swept-source OCTA. The peripapillary microstructure was characterized in 188 POAG patients with MvD in the parapapillary deep layer...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28296780/type-iii-monteggia-fracture-with-posterior-interosseous-nerve-injury-in-a-child-a-case-report
#5
Jing Wang, Min Chen, Jiang Du
RATIONALE: Elbow injury in children by improper treatment or a delay of more than 3 weeks could lead to old unreduced Monteggia fracture, which are difficult to manage. Conservative or normal surgical methods usually fail. PATIENT CONCERNS: Herein, we present a 6-year-old boy with sustaining injury approximately 1 month to his left elbow. Activity in his elbow was restricted, and his ability to extend his wrist and fingers was impaired. DIAGNOSES: Type III Monteggia elbow fracture-dislocation consisting of radial head dislocation and malunion of the ulna associated with posterior interosseous nerve palsy were confirmed, which requiring surgical treatment...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28291150/acquired-constriction-ring-a-case-of-rubber-band-syndrome
#6
Rahel Meier, Luzian Haug, Carsten Surke, Lukas Mathys, Esther Vögelin
Rubber band syndrome is a rare entity seen in younger children mainly in communities where rubber bands are worn around the wrist for decorative purposes. When the band is worn for a long duration, it burrows through the skin and soft tissues resulting in distal edema, loss of function, and even damage to the neurovascular structures. These symptoms are difficult to relate to this rare but typical condition. We report a case of a 2¾-year-old girl with the history of a linear circumferential scar at the right wrist combined with the limited use of a swollen hand for several weeks...
March 13, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28289621/posterior-interosseous-nerve-syndrome-resulting-from-parosteal-lipoma-of-the-proximal-radius-an-elusive-diagnosis-yet-excellent-outcome
#7
Muhammad Saaiq, Saad Siddiui
A 53-year old man presented with seven months history of progressive weakness of extension of the digits and the thumb of the left hand. The wrist extension was normal and sensations were also intact. The patient had also been noticing a progressively enlarging lump on the lower anterolateral aspect of the left antecubital fossa for the last three months. Physical examination andelectro diagnostic studies revealed motor deficit along the posterior interosseous nerve (PIN) distribution with preservation of sensations...
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28283997/decision-support-system-for-detection-of-papilledema-through-fundus-retinal-images
#8
Shahzad Akbar, Muhammad Usman Akram, Muhammad Sharif, Anam Tariq, Ubaid Ullah Yasin
A condition in which the optic nerve inside the eye is swelled due to increased intracranial pressure is known as papilledema. The abnormalities due to papilledema such as opacification of Retinal Nerve Fiber Layer (RNFL), dilated optic disc capillaries, blurred disc margins, absence of venous pulsations, elevation of optic disc, obscuration of optic disc vessels, dilation of optic disc veins, optic disc splinter hemorrhages, cotton wool spots and hard exudates may result in complete vision loss. The ophthalmologists detect papilledema by means of an ophthalmoscope, Computed Tomography (CT), Magnetic Resonance Imaging (MRI) and ultrasound...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28280873/radial-nerve-palsy-in-humeral-shaft-fractures-with-internal-fixation-analysis-of-management-and-outcome
#9
T R Schwab, P F Stillhard, S Schibli, M Furrer, C Sommer
INTRODUCTION: The incidence of radial nerve injury after humeral shaft fractures is on average 11.8% (Shao et al., J Bone Jt Surg Br 87(12):1647-1652, 2005) representing the most common peripheral nerve injury associated with long bone fractures (Korompilias et al., Injury, 2013). The purpose of this study was to analyze our current policy and long-term outcome, regarding surgically treated humeral shaft fractures in combination with radial nerve palsy. MATERIALS AND METHODS: We retrospectively analyzed the data of patients with surgically treated humeral shaft fractures from 01/01/2003 to 28/02/2013...
March 9, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28268673/development-of-a-closed-loop-system-for-tremor-suppression-in-patients-with-parkinson-s-disease
#10
F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan
More than 70% of patients suffering Parkinson's disease (PD) exhibit resting tremor in their extremities, hampering their ability to perform daily activities. Based on our earlier studies on corticospinal transmission of tremor signals [10,11], we hypothesize that cutaneous afferents evoked by surface stimulation can produce an inhibitory effect on propriospinal neurons (PN), which in turn will suppress tremor signals passing through the PN. This paper presents the development of a closed-loop system for tremor suppression by transcutaneous electrical nerve stimulation (TENS) of sensory fibers beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267068/sensory-distribution-of-the-lateral-cutaneous-nerve-of-forearm-after-ultrasound-guided-block-potential-implications-for-thumb-base-surgery
#11
Christopher S Hasenkam, Gregory A Hoy, Paul F Soeding
Surgery of the wrist and hand commonly involves regional anesthesia of the median nerve and superficial radial nerve within the forearm. In this sonographic study, the contribution of the lateral cutaneous nerve of forearm (LCNF) to thumb cutaneous sensation was studied. Patients scheduled for thumb suspension arthroplasty (n = 35) were examined by ultrasound, with LCNF, median nerve, and superficial radial nerve identified. A single nerve was then injected with local anesthetic, and the area of cutaneous sensory loss mapped at 15 minutes...
March 6, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28264923/blood-pressure-in-healthy-humans-is-regulated-by-neuronal-no-synthase
#12
Husain Shabeeh, Sitara Khan, Benyu Jiang, Sally Brett, Narbeh Melikian, Barbara Casadei, Philip J Chowienczyk, Ajay M Shah
NO is physiologically generated by endothelial and neuronal NO synthase (nNOS) isoforms. Although nNOS was first identified in brain, it is expressed in other tissues, including perivascular nerves, cardiac and skeletal muscle. Increasing experimental evidence suggests that nNOS has important effects on cardiovascular function, but its composite effects on systemic hemodynamics in humans are unknown. We undertook the first human study to assess the physiological effects of systemic nNOS inhibition on basal hemodynamics...
March 6, 2017: Hypertension
https://www.readbyqxmd.com/read/28251307/-diffusion-tensor-imaging-of-the-visual-pathway-in-glaucomatous-optic-nerve-atrophy
#13
REVIEW
T Engelhorn, M A Schmidt, A Dörfler, G Michelson
In Germany more than one million inhabitants suffer from glaucoma, more than 100,000 are threatened with blindness because glaucoma is often diagnosed too late or not at all. Diagnosis and monitoring is usually carried out "only" by examination of the retina and not the whole visual pathway. However, the eye is just "the tip of the iceberg" of the actual visual pathway, which extends through the brain to the visual cortex. The interdisciplinary holistic assessment of the whole visual pathway in glaucoma is of crucial importance because glaucoma is a complex neurodegenerative disease...
March 1, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28250799/inhibition-of-cell-proliferation-does-not-slow-down-echinoderm-neural-regeneration
#14
Vladimir S Mashanov, Olga R Zueva, José E García-Arrarás
BACKGROUND: Regeneration of the damaged central nervous system is one of the most interesting post-embryonic developmental phenomena. Two distinct cellular events have been implicated in supplying regenerative neurogenesis with cellular material - generation of new cells through cell proliferation and recruitment of already existing cells through cell migration. The relative contribution and importance of these two mechanisms is often unknown. METHODS: Here, we use the regenerating radial nerve cord (RNC) of the echinoderm Holothuria glaberrima as a model of extensive post-traumatic neurogenesis in the deuterostome central nervous system...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28242403/pseudoaneurysm-of-the-radial-artery-on-the-hand-secondary-to-stabbing
#15
Melih Bagir, Emrah Sayit, Asli Tanrivermis Sayit
Pseudoaneurysm of the radial artery is extremely rare. It usually occurs secondary to trauma, interventional procedures, and infections. Symptoms occur either due to mass effect by the pseudoaneurysm, digital ischemia or nerve suppression. B-mode and color Doppler US are the first choice in diagnosis. The pathognomonic ultrasound sign of pseudoaneurysm is the turbulent flow, which is called the "ying-yang" sign. Bandages, ultrasound probe compression, ultrasound-guided thrombin injection, covered stents, and surgical ligation can be be used in treatment...
February 24, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28242183/evaluation-of-changes-in-magnetic-resonance-diffusion-tensor-imaging-of-the-bilateral-optic-tract-in-monocular-blind-rats
#16
Rong Wang, Yufeng Zhong, Weijun Tang, Zuohua Tang, Xinghuai Sun, Xiaoyuan Feng, Jiawen Fan, Lingjie Wu, Jie Wang, Zebin Xiao, Lixin Jin
Some studies have used diffusion tensor imaging (DTI) to investigate white matter development of the visual pathway in humans and animals after visual deprivation. However, the alterations in the bilateral optic tract after the transection of unilateral optic nerve have not been well explored. In this study, we attempted to investigate the structural integrity of and pathological changes to the bilateral optic tract after transection of the unilateral optic nerve in rats using DTI. Eight healthy male Sprague-Dawley (SD) rats were randomly divided into 2 groups, with 4 in each group...
February 24, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28241684/-features-of-peripheral-nerve-injuries-in-workers-exposed-to-vibration-an-analysis-of-197-cases
#17
J Situ, C M Lin, Z H Qin, D X Zhu, H Lin, F F Zhang, J J Zhang
Objective: To investigate the features of peripheral nerve injuries in workers exposed to vibration. Methods: A total of 197 male workers [median age: 34 years (21-50 years) ; median working years of vibration exposure: 7.3 years (1-20 years) ] engaged in grinding in an enterprise were enrolled. Their clinical data and electromyography results were analyzed to investigate the features of peripheral nerve impairment. Results: Of all workers, 96 (48.73%) had abnormal electromyography results. Of all workers, 88 (44...
December 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28226857/development-of-a-closed-loop-system-for-tremor-suppression-in-patients-with-parkinson-s-disease
#18
F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, F L Xu, M Z Hao, S Q Xu, Z X Hu, Q Xiao, N Lan, S Q Xu, Z X Hu, Q Xiao, M Z Hao, N Lan, F L Xu
More than 70% of patients suffering Parkinson's disease (PD) exhibit resting tremor in their extremities, hampering their ability to perform daily activities. Based on our earlier studies on corticospinal transmission of tremor signals [10,11], we hypothesize that cutaneous afferents evoked by surface stimulation can produce an inhibitory effect on propriospinal neurons (PN), which in turn will suppress tremor signals passing through the PN. This paper presents the development of a closed-loop system for tremor suppression by transcutaneous electrical nerve stimulation (TENS) of sensory fibers beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226350/-value-of-endoscopy-application-in-the-management-of-complications-after-radical-gastrectomy-for-gastric-cancer
#19
Yiqun Zhang, Pinghong Zhou
Endoscopy plays an important role in the diagnosis and treatment of postoperative complications of gastric cancer. Endoscopic intervention can avoid the second operation and has attracted wide attention. Early gastric anastomotic bleeding after gastrectomy is the most common. With the development of technology, emergency endoscopy and endoscopic hemostasis provide a new treatment approach. According to the specific circumstances, endoscopists can choose metal clamp to stop bleeding, electrocoagulation hemostasis, local injection of epinephrine or sclerotherapy agents, and spraying specific hemostatic agents...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28215058/effect-of-cervical-versus-thoracic-spinal-manipulation-on-peripheral-neural-features-and-grip-strength-in-subjects-with-chronic-mechanical-neck-pain-a-randomized-controlled-trial
#20
Francisco Bautista-Aguirre, Ángel Oliva-Pascual-Vaca, Alberto M Heredia-Rizo, Juan J Boscá-Gandía, François Ricard, Cleofás Rodriguez-Blanco
BACKGROUND: Cervical and thoracic spinal manipulative therapy has shown positive impact for relief of pain and improve function in non-specific mechanical neck pain. Several attempts have been made to compare their effectiveness although previous studies lacked a control group, assessed acute neck pain or combined thrust and nonthrust techniques. AIM: To compare the immediate effects of cervical and thoracic spinal thrust manipulations on mechanosensitivity of upper limb nerve trunks and grip strength in patients with chronic non-specific mechanical neck pain...
February 17, 2017: European Journal of Physical and Rehabilitation Medicine
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