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https://www.readbyqxmd.com/read/28108955/-unforgettable-a-pictorial-essay-on-anatomy-and-pathology-of-the-hippocampus
#1
REVIEW
Sven Dekeyzer, Isabelle De Kock, Omid Nikoubashman, Stephanie Vanden Bossche, Ruth Van Eetvelde, Jeroen De Groote, Marjan Acou, Martin Wiesmann, Karel Deblaere, Eric Achten
: The hippocampus is a small but complex anatomical structure that plays an important role in spatial and episodic memory. The hippocampus can be affected by a wide range of congenital variants and degenerative, inflammatory, vascular, tumoral and toxic-metabolic pathologies. Magnetic resonance imaging is the preferred imaging technique for evaluating the hippocampus. The main indications requiring tailored imaging sequences of the hippocampus are medically refractory epilepsy and dementia...
January 20, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28108911/traditional-chinese-medicine-for-modern-treatment-of-parkinson-s-disease
#2
REVIEW
Lu Han, Yuan-Hong Xie, Rong Wu, Chen Chen, Yan Zhang, Xiao-Ping Wang
Parkinson's disease (PD) is a chronic and progressive degenerative disorder of brain commonly seen among the elderly. As conventionally medical therapy is of limited relief and potential side effects, complementary and alternative medicine (CAM) has attracted growing public and professional attention. Therapies such as acupuncture, musical/rhythmic therapy and deep brain stimulation have been gradually proved positively in clinic. In this review, we retrospected the scientific or evidence-based-medicine advances of application and research for modern treatment of PD by CAM, especially traditional Chinese medicine in categories...
January 20, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28108771/-injuries-of-major-tendons-review-of-current-diagnostic-and-surgical-standards
#3
P Behrendt, T Klüter, A Seekamp
Chronic degenerative tendon injuries as well as injuries due to acute high-energy trauma and incisional injuries are a significant aspect in the emergency surgery department. As a result of anatomical characteristics and exposure certain tendons are particularly vulnerable to injury. These include the biceps brachialis, quadriceps femoris, patella, achilles and tibialis anterior tendons. Besides the broad spectrum of non-surgical treatment, surgeons should have knowledge of the various surgical techniques including suturing, anchor refixation and reconstruction techniques...
January 20, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28108403/risk-of-cement-leakage-and-pulmonary-embolism-by-bone-cement-augmented-pedicle-screw-fixation-of-the-thoracolumbar-spine
#4
Insa Janssen, Yu-Mi Ryang, Jens Gempt, Stefanie Bette, Julia Gerhardt, Jan Kirschke, Bernhard Meyer
BACKGROUND: Cement augmented pedicle screw instrumentation (CAPSI) of the thoracolumbar spine is indicated in osteoporosis or osteopenia to improve pullout strength and biomechanical stability of pedicle screws (PS). Only few studies report on the incidence of pulmonary cement embolism or other complications associated with CAPSI. PURPOSE: Aim of this retrospective study was to assess the rate of CAPSI associated complications. STUDY DESIGN: Retrospective cohort study...
January 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28108240/degenerative-temporomandibular-joint-changes-associated-with-recent-onset-disc-displacement-without-reduction-in-adolescents-and-young-adults
#5
Jie Lei, Jianhui Han, Muqing Liu, Yi Zhang, Adrian U-Jin Yap, Kai-Yuan Fu
This study evaluated the occurrence of degenerative temporomandibular joint (TMJ) changes in adolescents and young adults with recent on-set disc displacement without reduction (DDw/oR) using high-resolution cone beam computed tomography (CBCT). The associations between types of osteoarthrosis (OA) changes and clinical factors including disease duration were also examined. CBCT and clinical data of 300 patients (84.70% females, mean age 20.93 ± 4.77 years) diagnosed with unilateral DDw/oR (≤12 months) based on RDC/TMD were acquired...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28108170/birmingham-hip-resurfacing-in-patients-55-years-or-younger-risk-factors-for-poor-midterm-outcomes
#6
Mohamad J Halawi, David Brigati, William Messner, Peter J Brooks
BACKGROUND: Birmingham hip resurfacing (BHR) is the only Food and Drug Administration-approved hip resurfacing system available in the United States and is used as an alternative to conventional total hip arthroplasty in younger patients. The purpose of this study is to report on the midterm outcomes of BHR in patients 55 years and younger, and specifically to examine the risk factors for aseptic failure, all-cause revision, and complications in this patient population. METHODS: Four hundred forty-two consecutive patients with 5-year follow-up were retrospectively reviewed...
January 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28108166/predictive-performance-of-different-kidney-function-estimation-equations-in-lung-transplant-patients
#7
Dov A Degen, Jyotsna Janardan, Katherine A Barraclough, Hans G Schneider, Thomas Barber, Howard Barton, Gregory Snell, Bronwyn Levvey, Rowan G Walker
BACKGROUND: There has been limited examination of the performance of glomerular filtration rate estimation (eGFR) equations in lung transplant populations. This study aimed to compare the performance of serum creatinine and cystatin C based eGFR equations with Tc-99m diethylenetriaminepentaacetic acid (DTPA) GFR measurements in individuals with end-stage lung disease, either prior to, or following, lung transplantation. METHODS: In this prospective observational study, participants underwent GFR measurements with Tc-99m Pentetate...
January 17, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28107433/investigation-of-cross-contamination-and-misidentification-of-278-widely-used-tumor-cell-lines
#8
Yaqing Huang, Yuehong Liu, Congyi Zheng, Chao Shen
In recent years, biological research involving human cell lines has been rapidly developing in China. However, some of the cell lines are not authenticated before use. Therefore, misidentified and/or cross-contaminated cell lines are unfortunately commonplace. In this study, we present a comprehensive investigation of cross-contamination and misidentification for a panel of 278 cell lines from 28 institutes in China by using short tandem repeat profiling method. By comparing the DNA profiles with the cell bank databases of ATCC and DSMZ, a total of 46...
2017: PloS One
https://www.readbyqxmd.com/read/28107234/comparison-between-acrylic-cage-and-polyetheretherketone-peek-cage-in-single-level-anterior-cervical-discectomy-and-fusion-a-randomized-clinical-trial
#9
Majid R Farrokhi, Zahra Nikoo, Mehrnaz Gholami, Khadijeh Hosseini
STUDY DESIGN: Prospective, single-blind randomized-controlled clinical study. OBJECTIVE: To compare polyetheretherketone (PEEK) cage with a novel Acrylic cage to find out which fusion cage yielded better clinical outcomes following single-level anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is considered a standard neurosurgical treatment for degenerative diseases of cervical intervertebral disks. There are many options, including bone grafts, bone cement, and spacers made of titanium, carbon fiber, and synthetic materials, used to restore physiological disk height and enhance spinal fusion, but the ideal device, which would provide immediate structural support and subsequent osteointegration and stability, has not been identified yet...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107011/delocalization-of-coherent-triplet-excitons-in-linear-rigid-rod-conjugated-oligomers
#10
Christian Hintze, Patrick Korf, Frank Degen, Friederike Schütze, Stefan Mecking, Ulrich E Steiner, Malte Drescher
In this work, the triplet state delocalization in a series of monodisperse oligo(p-phenyleneethynylene)s (OPEs) is studied by pulsed electron paramagnetic resonance (EPR) and pulsed electron nuclear double resonance (ENDOR) determining zero-field splitting, optical spin polarization, and proton hyperfine couplings. Neither the zero-field splitting parameters nor the optical spin polarization change significantly with OPE chain length, in contrast to the hyperfine coupling constants, which showed a systematic decrease with chain length n according to a 2/(1+n) decay law...
January 20, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28106968/robotic-mitral-repair-with-sliding-leaflet-valvuloplasty-and-remodelling-partial-annuloplasty
#11
Lawrence Wei, Vinay Badhwar, Takashi Murashita, Giuseppe Raffa
Complex pathoanatomy that requires posterior leaflet height reduction can be accomplished robotically with excellent surgical outcomes. We report the technique of robotic sliding leaflet valvuloplasty in cases of severe myxomatous degenerative disease with elevated predictive risk of systolic anterior motion.
September 28, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28106961/optimal-surgical-mitral-valve-repair-in-barlow-s-disease-the-concept-of-functional-prolapse
#12
Rjm Klautz, A Tomi, M Palmen, T J van Brakel, Patrick Perier
Barlow's disease presents the most severe form of degenerative mitral valve disease as it normally affects various valvular structures and segments. We discuss the technical aspects of mitral valve repair in this setting. Furthermore, the concept of "functional prolapse" of the mitral valve is discussed as well as recommendations on when to proceed with surgical correction of anterior leaflet prolapse.
December 6, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28106827/neuroprotective-strategy-in-retinal-degeneration-suppressing-er-stress-induced-cell-death-via-inhibition-of-the-mtor-signal
#13
REVIEW
Bin Fan, Ying-Jian Sun, Shu-Yan Liu, Lin Che, Guang-Yu Li
The retina is a specialized sensory organ, which is essential for light detection and visual formation in the human eye. Inherited retinal degenerations are a heterogeneous group of eye diseases that can eventually cause permanent vision loss. UPR (unfolded protein response) and ER (endoplasmic reticulum) stress plays an important role in the pathological mechanism of retinal degenerative diseases. mTOR (the mammalian target of rapamycin) kinase, as a signaling hub, controls many cellular processes, covering protein synthesis, RNA translation, ER stress, and apoptosis...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106523/influence-of-postoperative-sagittal-balance-and-spinopelvic-parameters-on-the-outcome-of-patients-surgically-treated-for-degenerative-lumbar-spondylolisthesis
#14
Ingrid Radovanovic, Jennifer C Urquhart, Venkat Ganapathy, Fawaz Siddiqi, Kevin R Gurr, Stewart I Bailey, Christopher S Bailey
OBJECTIVE The object of this study was to determine the association between postoperative sagittal spinopelvic alignment and patient-rated outcome measures following decompression and fusion for lumbar degenerative spondylolisthesis. METHODS The authors identified a consecutive series of patients who had undergone surgery for lumbar degenerative spondylolisthesis between 2008 and 2012, with an average follow-up of 3 years (range 1-6 years). Surgery was performed to address the clinical symptoms of spinal stenosis, not global sagittal alignment...
January 20, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28106148/complete-genome-sequencing-elucidates-outbreak-dynamics-of-ca-mrsa-usa300-st8-spa-t008-in-an-academic-hospital-of-paramaribo-republic-of-suriname
#15
Artur J Sabat, Sandra M Hermelijn, Viktoria Akkerboom, Amadu Juliana, John E Degener, Hajo Grundmann, Alexander W Friedrich
We report the investigation of an outbreak situation of methicillin-resistant Staphylococcus aureus (MRSA) that occurred at the Academic Hospital Paramaribo (AZP) in the Republic of Suriname from April to May 2013. We performed whole genome sequencing with complete gap closure for chromosomes and plasmids on all isolates. The outbreak involved 12 patients and 1 healthcare worker/nurse at the AZP. In total 24 isolates were investigated. spa typing, genome-wide single nucleotide polymorphism (SNP) analysis, ad hoc whole genome multilocus sequence typing (wgMLST), stable core genome MLST (cgMLST) and in silico PFGE were used to determine phylogenetic relatedness and to identify transmission...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28104788/myo18b-is-essential-for-sarcomere-assembly-in-fast-skeletal-muscle
#16
Joachim Berger, Silke Berger, Mei Li, Peter D Currie
Congenital myopathies are muscle degenerative disorders with a broad clinical spectrum. A number of myopathies have been associated with molecular defects within sarcomeres, the force-generating component of the muscle cell. Whereas the highly regular organization of the myofibril has been studied in detail, in vivo assembly of sarcomeres remains a poorly understood process. Therefore, a more detailed knowledge of sarcomere assembly is crucial to better understand the pathogenic mechanisms within myopathies...
January 18, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28104543/a-review-of-human-diseases-caused-or-exacerbated-by-aberrant-complement-activation
#17
REVIEW
Patrick L McGeer, Moonhee Lee, Edith G McGeer
Complement is the backbone of our innate immune system. It is of ancient evolutionary origin, being traced back to horseshoe crabs 350 million years ago. It consists today of more than 25 proteins which must work together like clockwork to distinguish friend from foe. Self-attack by the complement system can occur whenever it fails to do so. This failure has been reported to occur in an estimated 22 human diseases. A significant number of these are chronic degenerative neurological disorders. In some, there is overwhelming evidence that complement self-attack causes the disease...
December 27, 2016: Neurobiology of Aging
https://www.readbyqxmd.com/read/28104539/whole-body-vibration-of-mice-induces-progressive-degeneration-of-intervertebral-discs-associated-with-increased-expression-of-il-1%C3%AE-and-multiple-matrix-degrading-enzymes
#18
Matthew R McCann, Matthew Veras, Cynthia Yeung, Gurkeet Lalli, Priya Patel, Kristyn M Leitch, David W Holdsworth, S Jeffrey Dixon, Cheryle A Séguin
OBJECTIVE: Whole-body vibration (WBV) is a popular fitness trend based on claims of increased muscle mass, weight-loss and reduced joint pain. Following its original implementation as a treatment to increase bone mass in patients with osteoporosis, WBV has been incorporated into clinical practice for musculoskeletal disorders, including back pain. However, our recent studies revealed damaging effects of WBV on joint health in a murine model. In this report, we examined potential mechanisms underlying disc degeneration following exposure of mice to WBV...
January 16, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28104459/validation-of-the-intervertebral-disc-histological-degeneration-score-in-cervical-intervertebral-discs-and-their-endplates
#19
Krzysztof A Tomaszewski, Brandon Michael Henry, Tomasz Gładysz, Roman Głowacki, Jerzy A Walocha, Romana Tomaszewska
BACKGROUND CONTEXT: Vertebral joints consist of intervertebral discs (IVDs) and cartilaginous endplates (EP) that lie superiorly and inferiorly to the IVDs and separate them from the adjacent vertebral bodies. With ageing, both IVDs and EPs undergo degeneration. The Histologic Degeneration Score (HDS) is a grading system which microscopically evaluates the degree of degeneration in lumbar discs and predicts it with high accuracy basing on several histological markers of IVD and EP. There is currently a lack of validated histologic grading schemes for cervical spine degeneration...
January 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28103900/gde2-is-essential-for-neuronal-survival-in-the-postnatal-mammalian-spinal-cord
#20
Clinton Cave, Sungjin Park, Marianeli Rodriguez, Mai Nakamura, Ahmet Hoke, Mikhail Pletnikov, Shanthini Sockanathan
BACKGROUND: Glycerophosphodiester phosphodiesterase 2 (GDE2) is a six-transmembrane protein that cleaves glycosylphosphatidylinositol (GPI) anchors to regulate GPI-anchored protein activity at the cell surface. In the developing spinal cord, GDE2 utilizes its enzymatic function to regulate the production of specific classes of motor neurons and interneurons; however, GDE2's roles beyond embryonic neurogenesis have yet to be defined. METHOD: Using a panel of histological, immunohistochemical, electrophysiological, behavioral, and biochemistry techniques, we characterized the postnatal Gde2 (-/-) mouse for evidence of degenerative neuropathology...
January 19, 2017: Molecular Neurodegeneration
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