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Hal Martin

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https://www.readbyqxmd.com/read/28722720/a-guiding-map-for-inflammation
#1
Mihai G Netea, Frances Balkwill, Michel Chonchol, Fabio Cominelli, Marc Y Donath, Evangelos J Giamarellos-Bourboulis, Douglas Golenbock, Mark S Gresnigt, Michael T Heneka, Hal M Hoffman, Richard Hotchkiss, Leo A B Joosten, Daniel L Kastner, Martin Korte, Eicke Latz, Peter Libby, Thomas Mandrup-Poulsen, Alberto Mantovani, Kingston H G Mills, Kristen L Nowak, Luke A O'Neill, Peter Pickkers, Tom van der Poll, Paul M Ridker, Joost Schalkwijk, David A Schwartz, Britta Siegmund, Clifford J Steer, Herbert Tilg, Jos W M van der Meer, Frank L van de Veerdonk, Charles A Dinarello
Biologists, physicians and immunologists have contributed to the understanding of the cellular participants and biological pathways involved in inflammation. Here, we provide a general guide to the cellular and humoral contributors to inflammation as well as to the pathways that characterize inflammation in specific organs and tissues.
July 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28630740/the-effects-of-hip-abduction-on-sciatic-nerve-biomechanics-during-terminal-hip-flexion
#2
Hal David Martin, Anthony N Khoury, Ricardo Schroder, Juan Gomez-Hoyos, Samrat Yeramaneni, Manoj Reddy, Ian James Palmer
Terminal hip flexion contributes to increased strain in peripheral nerves at the level of the hip joint. The effects of hip abduction and femoral version on sciatic nerve biomechanics are not well understood. A decrease in sciatic nerve strain will be observed during terminal hip flexion and hip abduction, independent of femoral version. Six un-embalmed human cadavers were utilized. Three Differential Variable Reluctance Transducers (DVRTs) sensors were placed on the sciatic nerve while the leg was flexed to 70° with a combination of - 10°, 0°, 20° and 40° adduction/abduction...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28630728/parameters-for-assessment-of-the-inferior-acetabulum-morphology-in-300-adult-hips
#3
Munif A Hatem, Luiz A M da Cunha, João C M Abdo, Hal David Martin
The inferior acetabulum (IA) has been studied as a stabilizer of the hip in flexed positions with potential implications in femoroacetabular impingement and hip instability. However, there is a paucity of studies considering the normal morphology and parameters for assessment of the IA. The purpose of this study was to define parameters to assess the IA morphology and their normal range. Specifically, the objectives were to assess: (i) the width of the anterior horn (AH) and posterior horn (PH) of the acetabulum; (ii) the inclination of the articular surface of the AH angle (AHA) and PH angle (PHA) in the axial plane; (iii) the anterior opening angle of the IA and differences between genders...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28463613/against-the-odds-what-to-expect-in-rehabilitation-of-chronic-spinal-cord-injury-with-a-neurologically-controlled-hybrid-assistive-limb-exoskeleton-a-subgroup-analysis-of-55-patients-according-to-age-and-lesion-level
#4
Dennis Grasmücke, Amrei Zieriacks, Oliver Jansen, Christian Fisahn, Matthias Sczesny-Kaiser, Martin Wessling, Renate C Meindl, Thomas A Schildhauer, Mirko Aach
Objective Age and lesion level are believed to represent outcome predictors in rehabilitation of patients with chronic spinal cord injury (SCI). The Hybrid Assistive Limb (HAL) exoskeleton enables patients to perform a voluntary controlled gait pattern via an electromyography-triggered neuromuscular feedback system, and has been introduced as a temporary gait training tool in patients with SCI. The aim of this prospective pre- and postintervention study was to examine functional outcomes as a function of age and lesion level in patients with chronic incomplete SCI (iSCI) or chronic complete SCI (cSCI) with zones of partial preservation (ZPP) by using the HAL as a temporary training tool...
May 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28453881/effect-of-an-acute-exercise-bout-on-immediate-post-exercise-irisin-concentration-in-adults-a-meta-analysis
#5
REVIEW
J Fox, B V Rioux, E D B Goulet, N M Johanssen, D L Swift, D R Bouchard, H Loewen, M Sénéchal
Irisin is a recently discovered myokine that increases adipocyte metabolism, induces further "browning" of white adipose tissue, and enhances glucose metabolism. No study has ever determined how an acute bout of exercise impacts immediate post-exercise irisin concentration using a meta-analytic approach. The purpose of this study is to determine the impact of an acute bout of exercise on the magnitude of post-exercise irisin concentration in adults using meta-analytic procedures. Searches were performed on PubMed, EMBASE, CINAHL, PEDro, SCOPUS, and SPORTDiscus databases...
April 28, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28390662/influence-of-aging-on-microvascular-supply-of-the-gluteus-medius-tendon-a-cadaveric-and-histologic-study
#6
William H Márquez-Arabia, Juan Gómez-Hoyos, Marcela Gómez, Isabel Flórez, Jaime A Gallo, Francisco Monsalve, Luis F Arias, Hal D Martin
PURPOSE: The purpose of this cadaveric study was to assess the relation between age and microvascular supply of 3 areas of the gluteus medius tendon using a previously validated CD31 immunohistochemistry staining technique. METHODS: Twenty-four fresh-frozen gluteus medius specimens were obtained through a posterolateral approach to the hip. Specimens aged 18 years or older, of either sex, and of any race were considered for this study. The average age of donors was 47...
April 5, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28219610/bictegravir-versus-dolutegravir-each-with-emtricitabine-and-tenofovir-alafenamide-for-initial-treatment-of-hiv-1-infection-a-randomised-double-blind-phase-2-trial
#7
Paul E Sax, Edwin DeJesus, Gordon Crofoot, Douglas Ward, Paul Benson, Robin Dretler, Anthony Mills, Cynthia Brinson, Julie Peloquin, Xuelian Wei, Kirsten White, Andrew Cheng, Hal Martin, Erin Quirk
BACKGROUND: All recent treatment guidelines recommend integrase strand transfer inhibitors (INSTIs) as components of initial HIV therapy. Bictegravir, a novel, once-daily, unboosted INSTI, showed potent activity in a 10 day monotherapy study and has a high in-vitro resistance barrier. On the basis of these results, we did a phase 2 trial comparing bictegravir with dolutegravir. METHODS: In this randomised, double-blind, phase 2 trial, we recruited previously untreated adults (aged ≥18 years) with HIV-1 infections from 22 outpatient centres in the USA...
April 2017: Lancet HIV
https://www.readbyqxmd.com/read/28219544/the-society-of-thoracic-surgeons-congenital-heart-surgery-database-2017-update-on-outcomes-and-quality
#8
Jeffrey P Jacobs, John E Mayer, Constantine Mavroudis, Sean M O'Brien, Erle H Austin, Sara K Pasquali, Kevin D Hill, David M Overman, James D St Louis, Tara Karamlou, Christian Pizarro, Jennifer C Hirsch-Romano, Donna McDonald, Jane M Han, Susan Becker, Christo I Tchervenkov, Francois Lacour-Gayet, Carl L Backer, Charles D Fraser, James S Tweddell, Martin J Elliott, Hal Walters, Richard A Jonas, Richard L Prager, David M Shahian, Marshall L Jacobs
The Society of Thoracic Surgeons Congenital Heart Surgery Database is the largest congenital and pediatric cardiac surgical clinical data registry in the world. It is the platform for all activities of The Society of Thoracic Surgeons related to the analysis of outcomes and the improvement of quality in this subspecialty. This report summarizes current aggregate national outcomes in congenital and pediatric cardiac surgery and reviews related activities in the areas of quality measurement, performance improvement, and transparency...
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28215378/program-sustainability-hearing-loss-and-tinnitus-prevention-in-american-indian-communities
#9
William Hal Martin, Judith L Sobel, Susan E Griest, Linda C Howarth, Thomas M Becker
INTRODUCTION: An important goal of any health promotion effort is to have it maintained in delivery and effectiveness over time. The purpose of this study was to establish a community-based noise-induced hearing loss and tinnitus prevention program in three different types of American Indian communities and evaluate them for evidence of long-term sustainability. METHODS: The target population was fourth- and fifth-grade students from three different models of American Indian communities...
March 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28215376/hearing-related-health-among-adult-american-indians-from-a-pacific-northwest-tribe
#10
Kapuaolaokalaniakea Gellert, William Hal Martin, Jodi A Lapidus, Leslie Wosnig, Thomas M Becker
INTRODUCTION: Hearing loss and tinnitus are common in most populations, although few data have addressed hearing-related health among tribal members and the need for public health interventions. METHODS: This cross-sectional study examined prevalence and risk factors for hearing loss and tinnitus among 217 adults in a Pacific Northwest tribe. Frequency measures were conducted for difficulty hearing certain sounds and hearing aid use. In 2006, risk factors were examined for two outcomes-hearing loss and tinnitus-with analysis conducted in the same year...
March 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28196003/antiviral-activity-safety-and-pharmacokinetics-of-bictegravir-as-10-day-monotherapy-in-hiv-1-infected-adults
#11
RANDOMIZED CONTROLLED TRIAL
Joel E Gallant, Melanie Thompson, Edwin DeJesus, Gene W Voskuhl, Xuelian Wei, Heather Zhang, Kirsten White, Andrew Cheng, Erin Quirk, Hal Martin
OBJECTIVE: To evaluate antiviral activity, safety, and pharmacokinetics of short-term monotherapy with bictegravir (BIC), a novel, potent HIV integrase strand transfer inhibitor (INSTI). DESIGN: Phase 1b, randomized, double-blinded, adaptive, sequential cohort, placebo-controlled study. METHODS: HIV-infected adults not taking antiretroviral therapy were randomized to receive BIC (5, 25, 50, or 100 mg) or placebo once daily for 10 days. Primary endpoint was time-weighted average change from baseline to day 11 (DAVG11) for plasma HIV-1 RNA...
May 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28165478/a-distinct-innate-lymphoid-cell-population-regulates-tumor-associated-t-cells
#12
Sarah Q Crome, Linh T Nguyen, Sandra Lopez-Verges, S Y Cindy Yang, Bernard Martin, Jennifer Y Yam, Dylan J Johnson, Jessica Nie, Michael Pniak, Pei Hua Yen, Anca Milea, Ramlogan Sowamber, Sarah Rachel Katz, Marcus Q Bernardini, Blaise A Clarke, Patricia A Shaw, Philipp A Lang, Hal K Berman, Trevor J Pugh, Lewis L Lanier, Pamela S Ohashi
Antitumor T cells are subject to multiple mechanisms of negative regulation. Recent findings that innate lymphoid cells (ILCs) regulate adaptive T cell responses led us to examine the regulatory potential of ILCs in the context of cancer. We identified a unique ILC population that inhibits tumor-infiltrating lymphocytes (TILs) from high-grade serous tumors, defined their suppressive capacity in vitro, and performed a comprehensive analysis of their phenotype. Notably, the presence of this CD56(+)CD3(-) population in TIL cultures was associated with reduced T cell numbers, and further functional studies demonstrated that this population suppressed TIL expansion and altered TIL cytokine production...
March 2017: Nature Medicine
https://www.readbyqxmd.com/read/28105847/compact-ultrahigh-pressure-nanoflow-capillary-liquid-chromatograph
#13
Xiaofeng Zhao, Xiaofeng Xie, Sonika Sharma, Luke T Tolley, Alex Plistil, Hal E Barnett, Martin P Brisbin, Adam C Swensen, John C Price, Paul B Farnsworth, H Dennis Tolley, Stanley D Stearns, Milton L Lee
A compact ultrahigh-pressure nanoflow liquid chromatograph (LC) was developed with the purpose in mind of creating a portable system that could be easily moved to various testing locations or placed in close proximity to other instruments for optimal coupling, such as with mass spectrometry (MS). The system utilized innovative nanoflow pumps integrated with a very low volume stop-flow injector and mixing tee. The system weighed only 5.9 kg (13 lbs) or 4.5 kg (10 lbs) without a controller and could hold up to 1100 bar (16000 psi) of pressure...
January 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28054324/corr-insights-%C3%A2-the-femoro-epiphyseal-acetabular-roof-fear-index-a-new-measurement-associated-with-instability-in-borderline-hip-dysplasia
#14
COMMENT
Hal David Martin
No abstract text is available yet for this article.
March 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27729164/preemptive-analgesia-in-hip-arthroscopy-a-randomized-controlled-trial-of-preemptive-periacetabular-or-intra-articular-bupivacaine-in-addition-to-postoperative-intra-articular-bupivacaine
#15
Amir Shlaifer, Zachary Tuvya Sharfman, Hal David Martin, Eyal Amar, Efi Kazum, Yaniv Warschawski, Matan Paret, Silviu Brill, Michael Drexler, Ehud Rath
PURPOSE: To evaluate and compare the efficacy of intra-articular and periacetabular blocks for postoperative pain control after hip arthroscopy. METHODS: Forty-two consecutive patients scheduled for hip arthroscopy were randomized into 2 postoperative pain control groups. One group received preemptive intra-articular 20 mL of bupivacaine 0.5% injection, and the second group received preemptive periacetabular 20 mL of bupivacaine 0.5% injection. Before closure all patients received an additional dose of 20 mL of bupivacaine 0...
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27720302/contribution-of-the-pubofemoral-ligament-to-hip-stability-a-biomechanical-study
#16
Hal D Martin, Anthony N Khoury, Ricardo Schröder, Eric Johnson, Juan Gómez-Hoyos, Salvador Campos, Ian J Palmer
PURPOSE: To determine the isolated function of the pubofemoral ligament of the hip capsule and its contribution to hip stability in external/internal rotational motion during flexion greater than 30° and abduction. METHODS: Thirteen hips from 7 fresh-frozen pelvis-to-toe cadavers were skeletonized from the lumbar spine to the distal femur with the capsular ligaments intact. Computed tomographic imaging was performed to ensure no occult pathological state existed, and assess bony anatomy...
February 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27624149/parallel-role-for-the-dopamine-d1-receptor-in-gambling-and-amphetamine-reinforcement-in-healthy-volunteers
#17
Martin H Zack, Daniela S Lobo, Candice Biback, Tim Fang, Kelly Smart, Daniel Tatone, Aditi Kalia, Daniel Digiacomo, James L Kennedy
This study investigated the role of dopamine, and specifically the D1 receptor (D1R), in the reinforcing effects of a slot-machine game in healthy volunteers (n=30). To compare gambling and drug effects, subjects received the prototypic psychostimulant drug d-amphetamine (AMPH; 20 mg) in a multi-session, placebo-controlled design. To isolate D1R, half the subjects were pretreated with the preferential D2 receptor antagonist haloperidol (HAL; 3 mg), and the other half with the mixed D1-D2 antagonist fluphenazine (FLU; 3 mg) before the game (Phase I) and AMPH (Phase II)...
September 13, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27599822/the-hip-spine-effect-a-biomechanical-study-of-ischiofemoral-impingement-effect-on-lumbar-facet-joints
#18
Juan Gómez-Hoyos, Anthony Khoury, Ricardo Schröder, Eric Johnson, Ian J Palmer, Hal D Martin
PURPOSE: To assess the relation between ischiofemoral impingement (IFI) and lumbar facet joint load during hip extension in cadavers. METHODS: Twelve hips in 6 fresh T1-to-toes cadaveric specimens were tested. A complete pretesting imaging evaluation was performed using computed tomography scan. Cadavers were positioned in lateral decubitus and fixed to a dissection table. Both legs were placed on a frame in a simulated walking position. Through a posterior lumbar spine approach L3-4 and L4-5 facet joints were dissected bilaterally...
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27594331/editorial-commentary-arthroscopic-hip-preservation-is-critical-for-preserving-health-and-function-in-adolescents-and-adults
#19
EDITORIAL
Hal David Martin
Hip health is a critical factor in preserving daily life activities and wellbeing for both adults and adolescents. There are several potential economic influences in developing arthroscopic hip techniques for the evaluation and treatment of hip pathology in patients of all ages.
September 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27453504/an-exome-array-study-of-the-plasma-metabolome
#20
Eugene P Rhee, Qiong Yang, Bing Yu, Xuan Liu, Susan Cheng, Amy Deik, Kerry A Pierce, Kevin Bullock, Jennifer E Ho, Daniel Levy, Jose C Florez, Sek Kathiresan, Martin G Larson, Ramachandran S Vasan, Clary B Clish, Thomas J Wang, Eric Boerwinkle, Christopher J O'Donnell, Robert E Gerszten
The study of rare variants may enhance our understanding of the genetic determinants of the metabolome. Here, we analyze the association between 217 plasma metabolites and exome variants on the Illumina HumanExome Beadchip in 2,076 participants in the Framingham Heart Study, with replication in 1,528 participants of the Atherosclerosis Risk in Communities Study. We identify an association between GMPS and xanthosine using single variant analysis and associations between HAL and histidine, PAH and phenylalanine, and UPB1 and ureidopropionate using gene-based tests (P<5 × 10(-8) in meta-analysis), highlighting novel coding variants that may underlie inborn errors of metabolism...
July 25, 2016: Nature Communications
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