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https://www.readbyqxmd.com/read/28538681/human-thalamic-somatosensory-nucleus-ventral-caudal-vc-as-a-locus-for-stimulation-by-inputs-from-tactile-noxious-and-thermal-sensors-on-an-active-prosthesis
#1
REVIEW
Jui Hong Chien, Anna Korzeniewska, Luana Colloca, Claudia Campbell, Patrick Dougherty, Frederick Lenz
The forebrain somatic sensory locus for input from sensors on the surface of an active prosthesis is an important component of the Brain Machine Interface. We now review the neuronal responses to controlled cutaneous stimuli and the sensations produced by Threshold Stimulation at Microampere current levels (TMIS) in such a locus, the human thalamic Ventral Caudal nucleus (Vc). The responses of these neurons to tactile stimuli mirror those for the corresponding class of tactile mechanoreceptor fiber in the peripheral nerve, and TMIS can evoke sensations like those produced by the stimuli that optimally activate each class...
May 24, 2017: Sensors
https://www.readbyqxmd.com/read/28538598/the-need-for-multidimensional-stratification-of-chronic-low-back-pain-lbp
#2
Yoga Raja Rampersaud, Andrew Bidos, Caroline Fanti, Anthony V Perruccio
STUDY DESIGN: Cross-sectional study of Canadian LBP patients seeking primary care. OBJECTIVE: Determine which existing primary care LBP stratification schema is associated with distinct sub-populations as characterized by easily identifiable primary epidemiological factors. SUMMARY OF BACKGROUND DATA: Low back pain (LBP) is among the most frequent reasons for visits to primary care physicians and a leading cause of years lived with disability...
May 22, 2017: Spine
https://www.readbyqxmd.com/read/28535570/a-novel-combination-of-percutaneous-endoscopic-lumbar-discectomy-and-epiduroscopic-laser-neural-decompression-for-down-migrated-disc-herniation
#3
Kyung-Chul Choi, Dong Chan Lee, Choon-Keun Park
Although percutaneous endoscopic lumbar discectomy (PELD) is an effective treatment for herniated discs, its application in a disc with extensive migration is still challenging. As such, epiduroscopic laser neural decompression (ELND) provides a new view of the epidural space as well as an alternative treatment for a herniated disc and epidural fibrosis. In this paper the authors introduce the novel combination of PELD and ELND for high grade down-migrated disc herniation.An 87-year old woman presented with severe pain radiating down her leg due to high grade down-migrated disc herniation at L4-5...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535562/isocentric-navigation-of-percutaneous-endoscopic-transforaminal-discectomy-at-the-l5-s1-level-in-difficult-puncture-cases-a-technical-note
#4
Guoxin Fan, Teng Wang, Shuo Hu, Xiaofei Guan, Xin Gu, Shisheng He
BACKGROUND: Accurate puncture during percutaneous transforaminal endoscopic discectomy at the L5/S1 level in cases with high iliac crest and narrow foramen were difficult, even though the difficulties of foraminoplasty could be overcome by advanced instruments like reamers. OBJECTIVES: The report aimed to describe an isocentric navigation technique with a definite pathway in difficult puncture cases at the L5/S1 level. STUDY DESIGN: Technical note...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535556/feasibility-of-percutaneous-lumbar-discectomy-combined-with-percutaneous-cementoplasty-for-symptomatic-lumbar-disc-herniation-with-modic-type-i-endplate-changes
#5
Qing-Hua Tian, Ying-Ying Lu, Xi-Qi Sun, Tao Wang, Chun-Gen Wu, Ming-Hua Li, Sheng Cheng-Ying
BACKGROUND: Treatment of symptomatic lumbar disc herniation with Modic type I endplate changes is complex and challenging, requiring systemic and local therapies which include conservative therapy, epidural infiltrations, percutaneous therapeutic techniques, and surgical options. The clinical management of symptomatic lumbar disc herniation involving Modic type I endplate changes is uniquely challenging because it requires alleviating pain caused by both the herniated disc and the endplate osteochondritis...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535555/paresthesia-independence-an-assessment-of-technical-factors-related-to-10-khz-paresthesia-free-spinal-cord-stimulation
#6
Giuliano De Carolis, Mery Paroli, Lara Tollapi, Matthew W Doust, Abram H Burgher, Cong Yu, Thomas Yang, Donna M Morgan, Kasra Amirdelfan, Leonardo Kapural, B Todd Sitzman, Richard Bundschu, Ricardo Vallejo, Ramsin M Benyamin, Thomas L Yearwood, Bradford E Gliner, Ashley A Powell, Kerry Bradley
BACKGROUND: Spinal cord stimulation (SCS) has been successfully used to treat chronic intractable pain for over 40 years. Successful clinical application of SCS is presumed to be generally dependent on maximizing paresthesia-pain overlap; critical to achieving this is positioning of the stimulation field at the physiologic midline. Recently, the necessity of paresthesia for achieving effective relief in SCS has been challenged by the introduction of 10 kHz paresthesia-free stimulation...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28533989/iatrogenic-spinal-subdural-extra-arachnoid-hygroma-following-uncomplicated-lumbar-decompression
#7
Benjamin D Elder, Wataru Ishida, Rory C Goodwin, Ali Bydon
Intradural spinal arachnoid cysts (ISACs) have been reported in the current literature as either an idiopathic disease or exceedingly rare sequelae after lumbar puncture, spinal trauma, or meningitis. Other studies have more appropriately termed the iatrogenic pathology as a spinal subdural extra-arachnoid hygroma (SSEH), as there is not often a clear cyst wall as in a true arachnoid cyst. However, to the best of our knowledge, none of the previous studies described an SSEH following uncomplicated posterior lumbar surgery, as they have previously involved clear durotomies during the initial operation...
April 17, 2017: Curēus
https://www.readbyqxmd.com/read/28533868/-rare-medico-surgical-emergency-spinal-epidural-abscess-about-3-cases
#8
Abderrazzak El Saqui, Mohamed Aggouri, Mohamed Benzagmout, Khalid Chakour, Mohamed El Faiz Chaoui
The awareness about infections in the epidural space is increasing thanks to the development of neurosurgery, including MRI. Spinal epidural abscess is a rare pathology but extremely serious from a functional point of view and potentially life threatening. We report three cases of male patients (the first one aged 52 years, the second 57 years and the third 63 years) with diagnosed spinal epidural abscess. Two patients were admitted to the Neurosurgical Emergencies with slow progressive spinal cord compression evolving in the context of infection...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28533619/the-effects-of-exercise-using-an-ergometer-with-swaying-saddle-on-chronic-lower-back-pain
#9
Seung Jin Byeon, Ki Hyun Kim
[Purpose] This study aims to investigate the effects of exercise using an ergometer with swaying saddle on chronic lower back pain. [Subjects and Methods] Thirty-three normal adults (university students) with chronic lower back pain were randomly recruited. The flexibility and strength of muscles were measured before and after an 8-week intervention. Belly-bike, an ergometer with a swaying saddle, was used. The duration of intervention was 30 minutes a day, 3 times a week. To measure the level of pain, visual analogue scale (VAS) and Korean Oswestry Disability Index were used...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28526046/balloon-versus-stenting-in-severe-ischaemia-of-the-leg-3-basil-3-study-protocol-for-a-randomised-controlled-trial
#10
Benjamin D Hunt, Matthew A Popplewell, Huw Davies, Lewis Meecham, Hugh Jarrett, Gareth Bate, Margaret Grant, Smitaa Patel, Catherine Hewitt, Lazaros Andronis, Jonathan J Deeks, Andrew Bradbury
BACKGROUND: Severe limb ischaemia (SLI) is defined as the presence of rest pain and/or tissue loss secondary to lower extremity atherosclerotic peripheral arterial disease. The superficial femoral and popliteal arteries are the most commonly diseased vessels in such patients and are being increasingly treated using endovascular revascularisation techniques. However, it is currently unknown whether drug-eluting stents and drug-coated balloons confer additional clinical benefits over more established techniques using plain balloons and bare metal stents, or whether they represent a cost-effective use of NHS resources...
May 19, 2017: Trials
https://www.readbyqxmd.com/read/28525454/bilateral-tibial-osteofibrous-dysplasia-on-18f-fdg-pet-ct
#11
Hiroaki Nagano, Megumi Jinguji, Masanori Nakajo, Michiyo Higashi, Takashi Yoshiura
A 17-year-old girl had pain in the right front lower leg while road racing 2 months earlier. Radiography and CT showed osteolytic lesions in the medial part of the bilateral tibia. Bone scintigraphy showed focally increased radiotracer uptake in the bilateral tibia. The lesions showed hypermetabolism on FDG PET/CT. Osteofibrous dysplasia was suspected from the radiographic findings, but adamantinoma or metastases could not be excluded. Surgical biopsies were performed, and histopathologic studies confirmed the diagnosis of bilateral osteofibrous dysplasia...
May 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28525407/validation-and-cross-cultural-adaptation-of-the-korean-version-of-the-zurich-claudication-questionnaire-in-patients-with-lumbar-spinal-stenosis
#12
Ho-Joong Kim, Young-Kyun Lee, Dong Ook Kim, Bong-Soon Chang, Choon-Ki Lee, Jin S Yeom
STUDY DESIGN: Linguistic and psychometric validation of a translated questionnaire OBJECTIVE.: To validate the Korean version of Zurich claudication questionnaire (ZCQ) both linguistically and psychometrically. SUMMARY OF BACKGROUND DATA: The ZCQ is considered as a disease specific and gold standard measure for evaluation of patients with lumbar spinal stenosis (LSS). However, there has been no validated Korean version of the ZCQ. METHODS: The ZCQ was translated forward and backward, culturally adapted by 2 independent translators, and approved by an expert committee...
May 18, 2017: Spine
https://www.readbyqxmd.com/read/28524126/-impact-of-sagittal-balance-parameters-on-life-quality-in-elderly-and-senile-patients-after-surgery-for-degenerative-lumbar-spine-stenosis
#13
V S Klimov, I I Vasilenko, A V Evsyukov, E V Amelina
INTRODUCTION: As the life span and proportion of people over 65 years increase, the incidence of degenerative lumbar spine stenosis grows proportionally. Various parameters of the spinopelvic relationships are used to predict surgical treatment outcomes in patients with degenerative spine diseases. There are no unified protocols for evaluation, in terms of the sagittal balance, of surgical treatment outcomes in elderly patients. PURPOSE: To study the impact of sagittal balance parameters on the life quality of elderly and senile patients after surgery for degenerative stenosis of the lumbar spine...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28523439/magnetic-resonance-imaging-of-painful-swollen-legs-in-the-emergency-department-a-pictorial-essay
#14
REVIEW
Ashish Chawla, Niraj Dubey, Kian Ming Chew, Dinesh Singh, Vishal Gaikwad, Wilfred Cg Peh
Patients presenting with a painful swollen leg are not infrequently encountered at the emergency department and can pose a diagnostic dilemma for attending physicians. The potential causes of leg pain and swelling include trauma, infection, inflammation, and neurogenic, vascular, and iatrogenic conditions; with magnetic resonance imaging (MRI) being an important tool in evaluation. We describe the MRI features of various conditions causing painful swollen legs. We also discuss the differential diagnosis and the useful clinical and laboratory findings that radiologists should be aware of, in order to arrive at an accurate diagnosis...
May 18, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28521343/tarlov-cyst-causing-sacral-insufficiency-fracture
#15
Ross C Puffer, Marcus J Gates, William Copeland, William E Krauss, Jeremy Fogelson
BACKGROUND AND IMPORTANCE: Tarlov cysts, also known as perineural cysts, have been described as meningeal dilations of the spinal nerve root sheath between the peri- and endoneurium at the dorsal root ganglion. Most often they are found in the sacrum involving the nerve roots. Normally asymptomatic, they have been reported to present with radiculopathy, paresthesias, and even urinary or bowel dysfunction. Sacral insufficiency has not been a well-documented presentation. CLINICAL PRESENTATION: The patient is a 38-year-old female who started to develop left low back pain and buttock pain that rapidly progressed into severe pain with some radiation down the posterior aspect of her left leg...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28514698/clinical-outcomes-and-frontal-plane-two-dimensional-biomechanics-during-the-30-second-single-leg-stance-test-in-patients-before-and-after-hip-abductor-tendon-reconstructive-surgery
#16
Rose E Huxtable, Timothy R Ackland, Gregory C Janes, Jay R Ebert
BACKGROUND: Hip abductor tendon tears are a common cause of Greater Trochanteric Pain Syndrome. Conservative treatments are often ineffective and surgical reconstruction may be recommended. This study investigated the improvement in clinical outcomes and frontal plane two-dimensional biomechanics during a 30-second single leg stance test, in patients undergoing reconstruction. We hypothesized that clinical scores and pertinent biomechanical variables would significantly improve post-surgery, and these outcomes would be significantly correlated...
May 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28512995/alpha-1-antitrypsin-deficiency-related-panniculitis-two-cases-with-diverse-clinical-courses
#17
E R Storan, S M O' Gorman, P Hawkins, L Aalto, A Murphy, T Markham
Alpha-1-antitrypsin deficiency (AATD)-related panniculitis is an extremely rare and underdiagnosed entity, and there is a paucity of data on its treatment. We report two cases of AATD-related panniculitis. The first was a 24-year-old woman with known AATD who presented with painful leg ulcers refractory to treatment with corticosteroids and colchicine. She had a good response to α1-antitrypsin infusions but required dose adjustment due to flares in disease activity. The second case was a 38-year-old woman who presented with painful nodules on the legs refractory to corticosteroid therapy...
May 17, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28512404/painful-leg-ulceration-in-a-poorly-controlled-hypertensive-patient-a-case-report-of-martorell-ulcer
#18
Harsimran Kaur Malhi, Ali Didan, Stefan Ponosh, Sujith Prasad Kumarasinghe
Martorell ulcer is a form of lower limb ulceration, preceded by a small area of excruciating pain. It often appears as a solitary lesion on the outer aspect of the lower limb, and is primarily associated with poorly controlled hypertension and diabetes. Treatment of the ulcer involves awareness and early correct diagnosis, adequate control of blood pressure, management of infection, and wound care. We describe a 77-year-old diabetic and hypertensive woman presenting with excruciating pain in her right lower lateral leg leading to a necrotic ulcer...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28508973/phlegmasia-cerulean-dolens-complication-of-femoral-vein-catheterization
#19
M Hari Krishna Reddy, B Sangeetha, M Aruna, V Sarat Chandra, Anil C Venkata Kumar, R Ram, V Sivakumar
There are three less frequent manifestations of acute massive venous thrombosis and obstruction of the venous drainage of an extremity. They are phlegmasia alba dolens, phlegmasia cerulean dolens (PCD), and venous gangrene. The term PCD differentiates ischemia-associated massive venous thrombosis from phlegmasia alba dolens, which describes fulminant venous thrombosis without ischemia. We present a 55-year-old hypertensive, who presented with paedal oedema and breathlessness at rest. About a month prior to this admission, she suffered dislocation of left patella...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507966/ipsilateral-hip-and-knee-dislocation-with-open-tibial-fracture-a-case-report-of-a-limb-threatening-injury
#20
Ramesh Perumal, S R Sundararajan, J Vasudeva, S Rajasekaran
INTRODUCTION: Hip or knee dislocations are usually treated as a surgical emergency, but ipsilateral hip and knee dislocation should be considered a dual emergency that must be addressed immediately and reduced at the earliest. We present here the sequence of events and the final functional outcome of one such rare injury manages by us. CASE REPORT: A 22-year-old male was involved in a road traffic accident. He presented to the emergency department in 4 h injury time with painful deformities of the right hip and knee, along with Type I open wound right leg with abnormal mobility suggestive of fracture in the ipsilateral leg...
November 2016: Journal of Orthopaedic Case Reports
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