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https://www.readbyqxmd.com/read/28888574/patient-and-disease-specific-factors-associated-with-operative-management-of-de-quervain-tendinopathy
#1
Nikolas H Kazmers, Tiffany C Liu, Joshua A Gordon, David J Bozentka, David R Steinberg, Benjamin L Gray
PURPOSE: It remains unclear which factors, patient- or disease-specific, are associated with electing to undergo operative management for de Quervain tendinopathy. Our null hypothesis was that no patient- or disease-specific factors would be associated with the choice of surgical treatment of de Quervain tendinopathy. METHODS: We performed a retrospective review of consecutive patients diagnosed with de Quervain tendinopathy over 3 years by 1 of 3 fellowship-trained hand surgeons at an urban academic institution...
September 7, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28875127/synthesis-of-evidence-for-the-treatment-of-intersection-syndrome
#2
REVIEW
Konstantine Balakatounis, Antonios G Angoules, Nikolaos A Angoules, Kalomoira Panagiotopoulou
Intersection syndrome is a rare sports overuse injury occurring through friction at the intersection of the first and second compartment of the forearm. Differential diagnosis must be carefully made, especially from De Quervain tendonsynovitis. Clinical examination provides with the necessary information for diagnosis, still magnetic resonance imaging scans and ultrasonography may assist in diagnosis. Treatment consists mainly of rest, use of a thumb spica splint, analgetic and oral nonsteroidal anti-inflammatory drugs and after 2-3 wk progressive stretching and muscle strengthening...
August 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28867250/extensor-retinaculum-reconstruction-using-the-wide-awake-approach
#3
REVIEW
Takehiko Takagi, Yuka Kobayashi, Masahiko Watanabe
De Quervain tenosynovitis is often treated by simple release of the first compartment. However, patients can suffer from persistent postoperative problems, including "clumsy" use of the thumb, as a result of redislocation or bowstringing of the extensor pollicis brevis/abductor pollicis longus tendons or irritation of the superficial branch of the radial nerve. Here we describe our method for first compartment reconstruction, in which the flaps are sutured after double-flap incision of the compartment. Because the tendons can become recompressed or redislocate if the sutures are too tight or loose, respectively, we achieve proper tension by suturing the flaps with the patient fully awake, under local anesthesia, and without a tourniquet...
August 31, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28861517/the-microtubule-stabilizing-protein-clasp1-associates-with-the-theileria-annulata-schizont-surface-via-its-kinetochore-binding-domain
#4
Sandra Huber, Romina Theiler, Daniel de Quervain, Olga Wiens, Tulin Karangenc, Volker Heussler, Dirk Dobbelaere, Kerry Woods
Theileria is an apicomplexan parasite whose presence within the cytoplasm of a leukocyte induces cellular transformation and causes uncontrolled proliferation and clonal expansion of the infected cell. The intracellular schizont utilizes the host cell's own mitotic machinery to ensure its distribution to both daughter cells by associating closely with microtubules (MTs) and incorporating itself within the central spindle. We show that CLASP1, an MT-stabilizing protein that plays important roles in regulating kinetochore-MT attachment and central spindle positioning, is sequestered at the Theileria annulata schizont surface...
July 2017: MSphere
https://www.readbyqxmd.com/read/28860097/effectiveness-of-conservative-surgical-and-post-surgical-interventions-for-trigger-finger-dupuytren-s-disease-and-de-quervain-s-disease-a-systematic-review
#5
REVIEW
Bionka M Huisstede, Saskia Gladdines, Manon S Randsdorp, Bart W Koes
OBJECTIVES: To provide an evidence-based overview of the effectiveness of conservative and (post)-surgical interventions for trigger finger, Dupuytren's -, and De Quervain's disease. DATA SOURCES: The Cochrane Library, PEDro, PubMed, Embase and CINAHL were searched to identify relevant systematic reviews and RCTs. DATA SELECTION AND EXTRACTION: Two reviewers independently extracted the data, and assessed the methodological quality. DATA SYNTHESIS: A best-evidence synthesis was performed to summarize the results...
August 28, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28858099/a-novel-classification-of-the-anatomical-variations-of-the-first-extensor-compartment
#6
Zheng-Yu Gao, Hao Tao, Hao Xu, Jun-Qiang Xue, Yao Ou-Yang, Ji-Xia Wu
The presence of a septum in the first extensor compartment is closely associated with the pathophysiology of de Quervain disease, and affects the efficacy of corticosteroid injection and surgical release. This study aimed to examine the incidence and length of the first extensor compartment septum.Forty sides of the wrists in 20 cadavers were used. The presence of a septum in the first extensor compartment was examined. The septum length was recorded with the radial styloid process as the reference point.The anatomical variations of the first extensor compartment were classified into 3 types...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28852356/detection-of-retained-foreign-objects-in-upper-extremity-surgical-procedures-with-incisions-of-two-centimeters-or-smaller
#7
Josef N Tofte, Lindsey S Caldwell
BACKGROUND: While the true incidence of retained foreign bodies after surgery is unknown, it has been approximated at 1:5,500 operations overall, with substantially less frequency in hand and upper extremity procedures. Despite the rarity of foreign body retention in hand and upper extremity surgery, universal radiofrequency scanning for electronically-tagged sponges and automatic radiographic evaluation for incorrect sponge counts are employed for all surgical procedures at our institution...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28836453/readability-of-the-most-commonly-accessed-online-patient-education-materials-pertaining-to-pathology-of-the-hand
#8
Sheriff D Akinleye, Garret Garofolo-Gonzalez, Michael Montuori, Maya Deza Culbertson, Jennifer Hashem, David Marc Edelstein
BACKGROUND: The American Medical Association (AMA) and National Institutes of Health (NIH) recommend that patient education materials be written at no higher than a sixth-grade reading level. METHODS: We examined 100 online educational materials for the 10 hand conditions most commonly treated by hand surgeons, as reported by the American Society for Surgery of the Hand. The listed conditions were carpal tunnel syndrome, basal joint arthritis of the thumb, de Quervain syndrome, Dupuytren's contracture, ganglion cysts, hand fractures, trigger finger, extensor tendon injuries, flexor tendon injuries, and mallet finger...
August 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28811061/surgical-demographics-of-carpal-tunnel-syndrome-and-cubital-tunnel-syndrome-over-5-years-at-a-single-institution
#9
Dafang Zhang, Jamie E Collins, Brandon E Earp, Philip Blazar
PURPOSE: Carpal tunnel and cubital tunnel syndrome are the 2 most common upper-limb compressive neuropathies. However, whether the characteristics of patient populations undergoing surgery for these conditions are similar is unclear in terms of demographics and concomitant pathologies. Our null hypothesis was that there are no identifiable differences between these patient populations. METHODS: A retrospective cohort study was performed by billing system query using Common Procedural Terminology (CPT) codes for all patients who underwent open carpal tunnel release (CTR) (CPT code 64721) and/or open cubital tunnel surgery (CPT code 64718) by 1 of 4 hand surgeons from August 2008 to July 2013...
August 12, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28806831/clinical-sign-for-missed-decompression-of-a-separate-extensor-pollicis-brevis-compartment-in-de-quervain-s-disease
#10
Niels Benatar
Persistent pain despite previous surgery for de Quervain's disease might be due to an overlooked septum between the abductor pollicis longus tendon slips and the extensor pollicis brevis tendon, or an overlooked completely separate compartment for the extensor pollicis brevis tendon alone. In both of these instances, extension of the MP joint of the thumb against resistance elicits pain at the distal level of the first extensor compartment of the wrist. When this sign is positive, revisional surgery and decompression of the remaining septum or separate compartment is indicated...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28790188/noradrenergic-activation-of-the-basolateral-amygdala-maintains-hippocampus-dependent-accuracy-of-remote-memory
#11
Erika Atucha, Vanja Vukojevic, Raquel V Fornari, Giacomo Ronzoni, Philippe Demougin, Fabian Peter, Piray Atsak, Marcel W Coolen, Andreas Papassotiropoulos, James L McGaugh, Dominique J-F de Quervain, Benno Roozendaal
Emotional enhancement of memory by noradrenergic mechanisms is well-described, but the long-term consequences of such enhancement are poorly understood. Over time, memory traces are thought to undergo a neural reorganization, that is, a systems consolidation, during which they are, at least partly, transferred from the hippocampus to neocortical networks. This transfer is accompanied by a decrease in episodic detailedness. Here we investigated whether norepinephrine (NE) administration into the basolateral amygdala after training on an inhibitory avoidance discrimination task, comprising two distinct training contexts, alters systems consolidation dynamics to maintain episodic-like accuracy and hippocampus dependency of remote memory...
August 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28729929/picture-free-recall-performance-linked-to-the-brain-s-structural-connectome
#12
David Coynel, Leo Gschwind, Matthias Fastenrath, Virginie Freytag, Annette Milnik, Klara Spalek, Andreas Papassotiropoulos, Dominique J-F de Quervain
INTRODUCTION: Memory functions are highly variable between healthy humans. The neural correlates of this variability remain largely unknown. METHODS: Here, we investigated how differences in free recall performance are associated with DTI-based properties of the brain's structural connectome and with grey matter volumes in 664 healthy young individuals tested in the same MR scanner. RESULTS: Global structural connectivity, but not overall or regional grey matter volumes, positively correlated with recall performance...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28720637/intersection-syndrome-the-subtle-squeak-of-an-overused-wrist
#13
Thomas M Skinner
Patient histories that include wrist pain can be pivotal in the distinction between intersection syndrome (IS) and the more common de Quervain's tenosynovitis (DQT). Presented here is a 26-year-old pregnant woman with a history of rowing who developed left radial/dorsal wrist pain and a rubbing/squeaking sensation. Nine months of conservative DQT therapy and a landmark-guided corticosteroid injection failed to relieve her symptoms. An in-clinic ultrasound showed tenosynovitis at the intersection of the first and second compartments, confirming a diagnosis of IS...
July 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28708327/sonography-of-non-neoplastic-disorders-of-the-hand-and-wrist-tendons
#14
REVIEW
Salvatore Gitto, Anna Guja Draghi, Ferdinando Draghi
Tendon disorders commonly cause hand and wrist disability and curtail the performance of work-related duties or routine tasks. Imaging is often needed for diagnosis, but it requires knowledge of the complex anatomic structures of the tendons of the hand and wrist as well as familiarity with related disorders. This review article aims to provide medical professionals with guidelines for the sonographic assessment of the tendons of hand and wrist and related disorders. Sonographic features of tendon disorders affecting the hand and wrist are described here, specifically: infectious tenosynovitis; tendon rupture or tearing; stenosing forms of tenosynovitis such as De Quervain disease and trigger finger; intersection syndrome; insertional tendinopathy; several forms of tendinous instability such as extensor carpi ulnaris instability, climber finger, and boxer knuckle; and tendinopathy in inflammatory rheumatic diseases...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28644946/effectiveness-of-corticosteroid-injections-for-treatment-of-de-quervain-s-tenosynovitis
#15
Jinhee K Oh, Susan Messing, Ollivier Hyrien, Warren C Hammert
BACKGROUND: Although surgery can provide definitive treatment for de Quervain's tenosynovitis, nonoperative treatment could be preferable if symptoms are predictably relieved. We sought to determine the effectiveness of corticosteroid injections as treatment for de Quervain's tenosynovitis and to evaluate patient characteristics as predictors of treatment outcome. METHODS: A retrospective study was conducted using our institutional database International Classification of Disease, version 9 (ICD-9) code list for de Quervain's tenosynovitis...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28592692/genome-wide-temporal-expression-profiling-in-caenorhabditis-elegans-identifies-a-core-gene-set-related-to-long-term-memory
#16
Virginie Freytag, Sabine Probst, Nils Hadziselimovic, Csaba Boglari, Yannick Hauser, Fabian Peter, Bank Gabor Fenyves, Annette Milnik, Philippe Demougin, Vanja Vukojevic, Dominique J-F de Quervain, Andreas Papassotiropoulos, Attila Stetak
The identification of genes related to encoding, storage, and retrieval of memories is a major interest in neuroscience. In the current study, we analyzed the temporal gene expression changes in a neuronal mRNA pool during an olfactory long-term associative memory (LTAM) in Caenorhabditis elegans hermaphrodites. Here, we identified a core set of 712 (538 upregulated and 174 downregulated) genes that follows three distinct temporal peaks demonstrating multiple gene regulation waves in LTAM. Compared with the previously published positive LTAM gene set (Lakhina et al...
July 12, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28560466/real-life-effectiveness-of-spa-therapy-in-rheumatic-and-musculoskeletal-diseases-a-retrospective-study-of-819-patients
#17
Mine Karagülle, Sinan Kardeş, Müfit Zeki Karagülle
The objective of this study is to determine the use and efficacy of spa therapy in patients with a wide spectrum of rheumatic and musculoskeletal diseases under real-life clinical practice circumstances. In this retrospective observational study at the Medical Ecology and Hydroclimatology Department of Istanbul Faculty of Medicine, the records of all adult patients with rheumatic and musculoskeletal diseases who were prescribed a spa therapy in various health resorts in Turkey between 2002 and 2012 were analyzed...
May 30, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28490264/effects-of-metabolic-syndrome-on-the-functional-outcomes-of-corticosteroid-injection-for-de-quervain-tenosynovitis
#18
Y H Roh, J H Noh, H S Gong, G H Baek
Metabolic syndrome is a constellation of medical conditions that arise from insulin resistance and abnormal adipose deposition and function. In patients with metabolic syndrome and De Quervain tenosynovitis this might affect the outcome of treatment by local corticosteroid injection. A total of 64 consecutive patients with De Quervain tenosynovitis and metabolic syndrome treated with corticosteroid injection were age- and sex-matched with 64 control patients without metabolic syndrome. The response to treatment, including visual analogue scale score for pain, objective findings consistent with De Quervain tenosynovitis (tenderness at first dorsal compartment, Finkelstein test result), and Disability of the Arm, Shoulder, and Hand score were assessed at 6, 12, and 24 weeks follow-up...
June 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28484860/anatomic-study-of-the-first-extensor-compartment-and-the-relationship-between-the-extensor-tendon-width-and-its-distal-insertion
#19
Shiro Sugiura, Yusuke Matsuura, Kazuki Kuniyoshi, Satoru Nishikawa, Takeshi Toyooka, Chisato Mori, Takane Suzuki
INTRODUCTION: The extensor pollicis brevis (EPB) tendon normally inserts into the base of the proximal phalanx of the thumb. However, a distal insertion of the EPB tendon into the thumb interphalangeal joint has been reported in refractory cases of de Quervain's disease. We hypothesized that the EPB tendon is wider beyond the thumb metacarpophalangeal joint in patients with extended EPB. This study aimed to evaluate the relationship between the extensor tendon width and the point of distal insertion of the EPB tendon...
May 8, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28443631/a-peripheral-epigenetic-signature-of-immune-system-genes-is-linked-to-neocortical-thickness-and-memory
#20
Virginie Freytag, Tania Carrillo-Roa, Annette Milnik, Philipp G Sämann, Vanja Vukojevic, David Coynel, Philippe Demougin, Tobias Egli, Leo Gschwind, Frank Jessen, Eva Loos, Wolfgang Maier, Steffi G Riedel-Heller, Martin Scherer, Christian Vogler, Michael Wagner, Elisabeth B Binder, Dominique J-F de Quervain, Andreas Papassotiropoulos
Increasing age is tightly linked to decreased thickness of the human neocortex. The biological mechanisms that mediate this effect are hitherto unknown. The DNA methylome, as part of the epigenome, contributes significantly to age-related phenotypic changes. Here, we identify an epigenetic signature that is associated with cortical thickness (P=3.86 × 10(-8)) and memory performance in 533 healthy young adults. The epigenetic effect on cortical thickness was replicated in a sample comprising 596 participants with major depressive disorder and healthy controls...
April 26, 2017: Nature Communications
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