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https://www.readbyqxmd.com/read/27920806/hereditary-multiple-exostoses-a-review-of-clinical-appearance-and-metabolic-pattern
#1
REVIEW
Giovanni Beltrami, Gabriele Ristori, Guido Scoccianti, Angela Tamburini, Rodolfo Capanna
Hereditary multiple exostoses (HME) is an inherited genetic condition characterized by the presence of multiple exostoses (osteochondromas). MHE is a relatively rare autosomal dominant disorder, mainly caused by loss of function mutations in two genes: exostosin-1 (EXT1) and exostosin-2 (EXT2). These genes are linked to heparan sulfate (HS) synthesis, but the specific molecular mechanism leading to the disruption of the cartilage structure and the consequent exostoses formation is still not resolved. The aim of this paper is to encounter the main aspects of HME reviewing the literature, in order to improve clinical features and evolution, and the metabolic-pathogenetic mechanisms underlying...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27911239/microvascular-decompression-of-the-cochleovestibular-nerve-for-treatment-of-tinnitus-and-vertigo-a-systematic-review-and-meta-analysis-of-individual-patient-data
#2
Minke J C van den Berge, J Marc C van Dijk, Iris A Posthumus, Nynke Smidt, Pim van Dijk, Rolien H Free
OBJECTIVE Microvascular decompression (MVD) is regarded as a valid treatment modality in neurovascular conflicts (NVCs) causing, for example, trigeminal neuralgia and hemifacial spasms. An NVC of the cochleovestibular nerve might cause tinnitus and/or vertigo; however, general acceptance of MVD for this indication is lacking. The aim of this study was to investigate the effectiveness, safety, and prognostic factors for success of MVD of the cochleovestibular nerve. METHODS A systematic review and meta-analysis of individual patient data (IPD) were conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses and Individual Patient Data (PRISMA-IPD) guidelines...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27900340/retropatellar-accessory-portals-for-improved-access-to-the-patella-anatomic-description-and-evaluation-of-safety
#3
Jason L Koh, Anthony L Logli
BACKGROUND: Standard knee arthroscopy portals are frequently used to address retropatellar chondral pathology. Alternative portals may offer a safe and simple substitute, particularly when reaching the base of deep lesions is required. PURPOSE: To describe and assess the safety of accessory retropatellar portals. STUDY DESIGN: Descriptive laboratory study. METHODS: An anatomic study was performed on 10 fresh-frozen cadaveric knees...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27895367/two-incision-mini-open-carpal-tunnel-release-a-minimally-invasive-alternative-to-endoscopic-release
#4
Pervaiz Mehmood Hashmi, Rizwan Haroon Rashid, Moiz Ali, Yasir Mohib, Naveed Baloch
Surgical techniques for carpal tunnel release are constantly evolving to reduce complications. This retrospective study was planned to identify the outcome and complications associated with a new operating technique for release of carpal tunnel using two incisions. It was conducted at the Aga Khan University Hospital, Karachi, and comprised patients undergoing surgical release of carpal tunnel syndrome (CTS) between January 2011 and December 2014. Of the 54 patients,38(70.4%) cases were of right-sided CTS. The mean operating time was 12...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27889093/removal-of-a-contraceptive-implant-from-the-brachial-neurovascular-sheath
#5
Christopher Belyea, Justin Ernat, Rey Gumboc
Subdermal implantable devices are commonly used for long-acting contraception in the United States and Europe. Although relatively safe in nature, their implantation and removal may be associated with potential complications, some of which may require surgical intervention. Complications may include infection, incorrect implantation, migration, or difficulty with removal. Proximal migration has been reported; however, there are no reports of devices that have migrated within the brachial neurovascular sheath...
November 23, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27876582/subperitoneal-approach-in-revision-arthroplasty-for-acetabular-component-protrusion-analysis-of-practiceswithin-the-french-hip-and-knee-society-sfhg
#6
F Gouin, V Crenn, J Tabutin
INTRODUCTION: The complications related to revision for acetabular component protrusion with material migrating into the intrapelvic region remain rare but potentially serious. Today, the literature reports no epidemiological data on the subperitoneal approach (SPA) in revision total hip arthroplasty (RTHA) for protrusion. Therefore we conducted a retrospective study on a large revision arthroplasty database to answer the following questions: 1) What is the frequency of this approach in this population? 2) What are the factors related to this procedure? 3) Is morbidity and mortality of the SPA higher than for an isolated conventional approach? HYPOTHESIS: Major protrusions with material in the superomedial quadrant (SMQ)have a higher probability of being operated using a SPA...
November 19, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27857875/dual-endoscopic-endonasal-transsphenoidal-and-precaruncular-transorbital-approaches-for-clipping-of-the-cavernous-carotid-artery-a-cadaveric-simulation
#7
Jeremy Ciporen, Brandon Lucke-Wold, Aclan Dogan, Justin S Cetas, William E Cameron
Background Endoscopic skull base approaches are being used to address complicated neurovascular pathology. These approaches are safest when proximal vascular control of the cavernous carotid artery (CavCA) can be obtained. Methods We present a cadaver-based anatomic simulation study showing the feasibility of clip placement for the CavCA as it courses through the cavernous sinus. The arterial vessels were injected with red microfil (Flow Tech, Carver, Massachusetts) to enhance visibility. The endoscope was directed through a precaruncular transorbital approach and instrumentation was managed through an endonasal transsphenoidal approach...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27847570/parasellar-extension-grades-and-surgical-extent-in-endoscopic-endonasal-transsphenoidal-surgery-for-pituitary-adenomas-a-single-surgeon-s-consecutive-series-with-the-aspects-of-reliability-and-clinical-validity
#8
Sang-Hyo Lee, Jae-Sung Park, Song Lee, Sung-Won Kim, Yong-Kil Hong
OBJECTIVE: The inter-rater reliability of the modified Knosp's classification was measured before the analysis. The clinical validity of the parasellar extension grading system was evaluated by investigating the extents of resection and complication rates among the grades in the endoscopic endonasal transsphenoidal surgery (EETS) for pituitary adenomas. METHODS: From November 2008 to August 2015, of the 286 patients who underwent EETS by the senior author, 208 were pituitary adenoma cases (146 non-functioning pituitary adenomas, 10 adrenocorticotropic hormone-secreting adenomas, 31 growth hormone-secreting adenomas, 17 prolactin-secreting adenomas, and 4 thyroid-stimulating hormone-secreting adenomas; 23 microadenomas, 174 macroadenomas, and 11 giant adenomas)...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27826460/percutaneous-release-of-the-first-dorsal-extensor-compartment-a-cadaver-study
#9
Ali Güleç, Faik Türkmen, Serdar Toker, Mehmet Ali Acar
BACKGROUND: To evaluate the efficiency of the percutaneous 18-G needle technique in releasing the fibro-osseous sheath over the first dorsal extensor compartment of the hand. METHODS: Using anatomic landmarks, percutaneous release was performed with an 18-G needle on 48 wrists of 24 cadavers. The specimens were then dissected and examined for the completeness of the first dorsal extensor compartment release and any tendon or neurovascular injuries. The tunnel length, number of abductor pollicis longus and extensor pollicis brevis tendons, presence of an intertendinous septum, and the effects of these parameters on percutaneous release were evaluated...
October 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27824258/full-neurovascular-sparing-extraperitoneal-robotic-radical-prostatectomy-our-experience-with-perusia-tecnique
#10
Giovanni Cochetti, Andrea Boni, Francesco Barillaro, Solajd Pohja, Roberto Cirocchi, Ettore Mearini
INTRODUCTION: Primary aim of this study was to investigate the feasibility and the safety of P.E.R.U.S.I.A. (Posterior, Extraperitoneal, Robotic, Under Santorini, Intrafascial, Anterograde) Radical Prostatectomy. Secondary aim was to evaluate oncologic and functional results. The main intent of PERUSIA is to reduce injury of the NVB and to preserve peri-urethral anterior structures. This is the first reported prospective cohort study about our technique. MATERIALS AND METHODS: We collected prospective data of a cohort of 210 patients who had undergone PERUSIA radical prostatectomy between January 2013 and May 2015...
November 8, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27811135/treatment-of-intra-and-extracranial-aneurysms-using-the-flow-redirection-endoluminal-device-multicenter-experience-and-follow-up-results
#11
F Drescher, W Weber, A Berlis, S Rohde, A Carolus, S Fischer
BACKGROUND AND PURPOSE: Flow diversion emerged as a crucial treatment option for intracranial aneurysms. We report a multicenter retrospective analysis of the safety and efficacy in the treatment of intracranial aneurysms with the Flow-Redirection Endoluminal Device (FRED) flow diverter, a dual-layer flow-modulation device. MATERIALS AND METHODS: All intracranial aneurysms treated with the FRED between March 2013 and February 2016 at 4 neurovascular centers were included...
November 3, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27810022/minimally-invasive-calcaneal-osteotomy-a-cadaveric-and-clinical-evaluation
#12
Charlie R J Jowett, David Rodda, Anish Amin, Anthony Bradshaw, Harvinder S Bedi
BACKGROUND: A cadaveric and clinical study was performed to assess whether a minimally invasive technique is a potentially safer alternative compared to a calcaneal osteotomy through an open lateral approach. METHODS: Cadaveric: A minimally invasive calcaneal osteotomy (MICO) was performed on nine cadaveric specimens. These were examined to identify any nerve injury and to quantify the displacement achieved with the osteotomy. Clinical: A retrospective review of a sequential case series of medializing MICO's performed by the senior author between October 2011 and November 2014 was undertaken...
December 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27807776/screw-perforation-rates-in-359-consecutive-patients-receiving-computer-guided-pedicle-screw-insertion-along-the-cervical-to-lumbar-spine
#13
Masashi Uehara, Jun Takahashi, Shota Ikegami, Shugo Kuraishi, Toshimasa Futatsugi, Hiroyuki Kato
PURPOSE: Pedicle screw (PS) insertion has been criticized for its risk of serious injury to neurovascular structures. Although computed tomography (CT)-based navigation has been developed to avoid such complications, perforation remains an issue, even with the aid of additional guidance. We clarify screw perforation rate and direction in 359 consecutive patients treated using CT-based PS insertion and present important considerations for more accurate screw placement. METHODS: The medical records of 359 consecutive patients who underwent PS insertion involving C2-L5 using a CT-based navigation system were reviewed...
November 2, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27802002/robot-assisted-laparoscopic-radical-prostatectomy-with-early-retrograde-release-of-the-neurovascular-bundle-and-endopelvic-fascia-sparing
#14
George Augusto Monteiro Lins de Albuquerque, Giuliano Betoni Guglielmetti, Maurício Dener Cordeiro, William Carlos Nahas, Rafael Ferreira Coelho
INTRODUCTION: Robotic-assisted radical prostatectomy (RAP) is the dominant minimally invasive surgical treatment for patients with localized prostate cancer. The introduction of robotic assistance has the potential to improve surgical outcomes and reduce the steep learning curve associated with conventional laparoscopic radical prostatectomy. The purpose of this video is to demonstrate the early retrograde release of the neurovascular bundle without open the endopelvic fascia during RAP...
November 2, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27793863/true-brachial-artery-aneurysm-in-a-child-aged-2%C3%A2-years
#15
Aamir Ghazanfar, Afifa Asghar, Naqeeb Ullah Khan, Sidra Abdullah
Congenital brachial artery true aneurysms are exceedingly rare. Most are pseudoaneurysms secondary to trauma or infection. We report a boy aged 2 years who presented with painless, pulsatile swelling on the medial aspect of the right arm, 4 cm above the elbow joint that had been present since birth. Spiral CT angiography showed a fusiform aneurysm of the distal right brachial artery with a peripheral crescent-shaped thrombus. Distal arteries were normally opacified. There was no evidence of abnormal dilation or stenosis in any other artery...
October 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27789262/reward-magnitude-tracking-by-neural-populations-in-ventral-striatum
#16
Ana M Fiallos, Sarah J Bricault, Lili X Cai, Hermoon A Worku, Matthew T Colonnese, Gil Westmeyer, Alan Jasanoff
Evaluation of the magnitudes of intrinsically rewarding stimuli is essential for assigning value and guiding behavior. By combining parametric manipulation of a primary reward, medial forebrain bundle (MFB) microstimulation, with functional magnetic imaging (fMRI) in rodents, we delineated a broad network of structures activated by behaviorally characterized levels of rewarding stimulation. Correlation of psychometric behavioral measurements with fMRI response magnitudes revealed regions whose activity corresponded closely to the subjective magnitude of rewards...
October 24, 2016: NeuroImage
https://www.readbyqxmd.com/read/27782937/comparison-of-daytime-and-after-hours-surgical-treatment-of-supracondylar-humeral-fractures-in-children
#17
Suavi Aydoğmuş, Tahir Mutlu Duymuş, Tolga Keçeci, Levent Adiyeke, Adnan B Kafadar
: Reports on different types of surgical procedures show that night-time surgeries are often associated with a high number of complications than daytime surgeries. However, there are no data, and hence evidence that relate the outcome of supracondylar humeral fractures in children to the time of the day when the respective surgical procedure is implemented. In this study, we analyze the clinical and radiological outcomes of pediatric supracondylar humeral fractures surgically treated during daytime and night-time hours...
October 25, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27777053/are-pedicle-screw-perforation-rates-influenced-by-distance-from-the-reference-frame-in-multi-level-registration-using-a-ct-based-navigation-system-in-the-setting-of-scoliosis
#18
Masashi Uehara, Jun Takahashi, Shota Ikegami, Shugo Kuraishi, Masayuki Shimizu, Toshimasa Futatsugi, Hiroki Oba, Hiroyuki Kato
BACKGROUND CONTEXT: Pedicle screw fixation is commonly employed for the surgical correction of scoliosis but carries a risk of serious neurovascular or visceral structure events during screw insertion. To avoid these complications, we have been using a computed tomography (CT)-based navigation system during pedicle screw placement. As this could also prolong operation time, multi-level registration for pedicle screw insertion for posterior scoliosis surgery was developed to register 3 consecutive vertebrae in a single time with CT-based navigation...
October 21, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27776053/the-effect-of-the-pucker-sign-on-outcomes-of-type-iii-extension-supracondylar-fractures-in-children
#19
Dallas M Smuin, William L Hennrikus
BACKGROUND: The pucker sign, also called skin tenting, indicates significant displacement of the supracondylar fracture and can be a cause for alarm. The purpose of this study is to compare a cohort of patients with type III supracondylar fractures presenting with a pucker sign to a group without a pucker sign by evaluating neurovascular injury at presentation, need for open reduction, persistent neurovascular injury, range of motion, and carrying angle at final follow-up. METHODS: A retrospective review was performed for Gartland type III extension type supracondylar fractures...
October 21, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27773463/the-addicted-brain-imaging-neurological-complications-of-recreational-drug-abuse
#20
A Montoya-Filardi, M Mazón
Recreational drug abuse represents a serious public health problem. Neuroimaging traditionally played a secondary role in this scenario, where it was limited to detecting acute vascular events. However, thanks to advances in knowledge about disease and in morphological and functional imaging techniques, radiologists have now become very important in the diagnosis of acute and chronic neurological complications of recreational drug abuse. The main complications are neurovascular disease, infection, toxicometabolic disorders, and brain atrophy...
October 20, 2016: Radiología
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