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Ross Mattox, Patrick J Battaglia, Aaron B Welk, Yumi Maeda, Daniel W Haun, Norman W Kettner
OBJECTIVE: The aim of this study was to establish reference values for the width of the interval between the anterior and middle scalene muscles using ultrasonography during varying degrees of glenohumeral joint (GH) abduction. Reliability and body mass index (BMI) data were also assessed. METHODS: Interscalene triangles of asymptomatic participants were scanned bilaterally in the transverse plane. Images were obtained at 0°, 90°, and 150° of GH abduction with the participant seated...
November 2016: Journal of Manipulative and Physiological Therapeutics
Todd K Rosengart, Meredith C Mason, Scott A LeMaire, Mary L Brandt, Joseph S Coselli, Steven A Curley, Kenneth L Mattox, Joseph L Mills, David J Sugarbaker, David A Berger
BACKGROUND: "Academic surgeon" describes a member of a medical school department of surgery, but this term does not fully define the important role of such physician-scientists in advancing surgical science through translational research and innovation. METHODS: The curriculum vitae and self-descriptive vignettes of the records of achievement of seven surgeons possessing documented records of academic leadership, innovation, and dissemination of knowledge were reviewed...
February 20, 2017: American Journal of Surgery
Douglas E Mattox
No abstract text is available yet for this article.
June 1, 2016: Neurosurgery
Vanessa Voss, Adam Mattox, Mary Guo
Pityriasis rosea is a dermatological disease with a well-documented clinical appearance, but less is known about causes and treatment. Bell's palsy is a neurological condition leading to acute idiopathic hemifacial paralysis. Recent studies indicate that human herpesvirus (HHV) 6-7 reactivation may be a contributing factor to both conditions. We report a case of the 2 concurrent diagnoses that supports a common contributing factor and suggests further awareness and research into the role HHV 6-7 may play in the aetiology of both conditions...
January 23, 2017: BMJ Case Reports
Elizabeth C Parsons, Elizabeth A Mattox, Lauren A Beste, David H Au, Bessie A Young, Michael F Chang, Brian N Palen
RATIONALE: Primary care providers (PCPs) frequently encounter sleep complaints, especially in regions with limited specialty care access. OBJECTIVES: The U.S. Department of Veterans Affairs Extension for Community Healthcare Outcomes (VA-ECHO) program (based on Project ECHO) has successfully provided rural PCP education in subspecialty areas, including hepatitis C. We describe the feasibility of an ECHO program for sleep medicine. METHODS: ECHO creates a virtual learning community through video-teleconferencing, combining didactics with individualized clinical case review...
February 2017: Annals of the American Thoracic Society
Patrick J Battaglia, Ross Mattox, Brett Winchester, Norman W Kettner
OBJECTIVE: The primary aim of this study was to determine the reliability of diagnostic ultrasound imaging for select intrinsic foot muscles using both non-weight-bearing and weight-bearing postures. Our secondary aim was to describe the change in muscle cross-sectional area (CSA) and dorsoplantar thickness when bearing weight. METHODS: An ultrasound examination was performed with a linear ultrasound transducer operating between 9 and 12 MHz. Long-axis and short-axis ultrasound images of the abductor hallucis, flexor digitorum brevis, and quadratus plantae were obtained in both the non-weight-bearing and weight-bearing postures...
November 2016: Journal of Manipulative and Physiological Therapeutics
Ken He, Brian N Palen, Elizabeth A Mattox, Elizabeth C Parsons
BACKGROUND: Timely monitoring of obstructive sleep apnea (OSA) therapy can be a challenge amid conflicting pressures of rising patient volume and shortage of sleep medicine providers. Positive airway pressure (PAP) devices with wireless modem technology have the potential to improve patient access to care and streamline work load, yet little is known about patient attitudes toward telehealth integration among veterans with sleep apnea. As part of a larger quality improvement initiative at the Veterans Affairs (VA) Puget Sound Health Care System, we elicited veterans' preferences toward modem versus traditional PAP data download, including patient attitudes and factors affecting those preferences...
November 22, 2016: Respiratory Care
Jackson Ross Vuncannon, Nicholas John Panella, Kelly R Magliocca, Douglas E Mattox
INTRODUCTION: Immunoglobulin G4-related disease (IgG4-RD) is a recently described fibroinflammatory condition with a characteristic histology. While IgG4-RD can affect a great variety of anatomical sites, it has been seldom described in the temporal bone. METHODS: Herein, a case IgG4-RD occurring in the temporal bone of a 35-year-old woman is reported. DISCUSSION: This case of IgG4-RD of the temporal bone proved a uniquely challenging diagnosis due to slightly atypical histology falling outside of "highly suggestive" criteria...
March 2017: Annals of Otology, Rhinology, and Laryngology
David A Gross, Lainey C Mattox, Nicole Winkleman
Amid evidence of its rural, Appalachian students' low application and matriculation rates to in-state medical schools, the Northeast Kentucky Area Health Education Center developed two physician pipeline programs. This report describes the programs' early successes and provides a basis for heightened regional responsibility in the recruitment of medical school applicants.
2016: Journal of Health Care for the Poor and Underserved
Steven Vold, Iqbal Ike K Ahmed, E Randy Craven, Cynthia Mattox, Robert Stamper, Mark Packer, Reay H Brown, Tsontcho Ianchulev
PURPOSE: We evaluated 2-year safety and efficacy of supraciliary microstenting (CyPass Micro-Stent; Transcend Medical, Inc., Menlo Park, CA) for treating mild-to-moderate primary open-angle glaucoma (POAG) in patients undergoing cataract surgery. DESIGN: Multicenter (24 US sites), interventional randomized clinical trial (RCT) ( identifier, NCT01085357). PARTICIPANTS: Subjects were enrolled beginning July 2011, with study completion in March 2015...
October 2016: Ophthalmology
Jennifer L Schehr, Zachery D Schultz, Jay W Warrick, David J Guckenberger, Hannah M Pezzi, Jamie M Sperger, Erika Heninger, Anwaar Saeed, Ticiana Leal, Kara Mattox, Anne M Traynor, Toby C Campbell, Scott M Berry, David J Beebe, Joshua M Lang
BACKGROUND: Expression of programmed-death ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC) is typically evaluated through invasive biopsies; however, recent advances in the identification of circulating tumor cells (CTCs) may be a less invasive method to assay tumor cells for these purposes. These liquid biopsies rely on accurate identification of CTCs from the diverse populations in the blood, where some tumor cells share characteristics with normal blood cells. While many blood cells can be excluded by their high expression of CD45, neutrophils and other immature myeloid subsets have low to absent expression of CD45 and also express PD-L1...
2016: PloS One
Ross Mattox, Aaron B Welk, Aimee Jokerst, Brooke Van Kirk, Norman W Kettner
OBJECTIVE: The purpose of this case study is to describe the role of sonographic examination in the initial evaluation of an angioleiomyoma and to discuss the characteristic findings associated with this soft tissue mass. CLINICAL FEATURES: A 52-year-old woman presented with a large, tender, erythematous mass on the anterolateral aspect of her right knee. Sonographic examination revealed a highly vascular mass within the subcutaneous tissues. Differential considerations included benign soft tissues masses such as angioleiomyoma and hemangioma...
June 2016: Journal of Chiropractic Medicine
Ross Mattox, Aaron B Welk, Patrick J Battaglia, Frank Scali, Mero Nunez, Norman W Kettner
This case report describes the use of diagnostic ultrasound to diagnose a Stener lesion in a patient who presented for conservative care of thumb pain following a fall on an outstretched hand. Conventional radiographic images demonstrated an avulsion fracture at the ulnar aspect of the base of the first proximal phalanx. Diagnostic ultrasound revealed a torn ulnar collateral ligament of the thumb that was displaced proximal to the adductor aponeurosis, consistent with a Stener lesion. Dynamic imaging with ultrasound confirmed displacement of the fully torn ligament...
2016: Journal of Ultrasound
Joseph R Kallini, Adam R Mattox, Ian A Maher
No abstract text is available yet for this article.
June 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
H Si, H Lu, X Yang, A Mattox, M Jang, Y Bian, E Sano, H Viadiu, B Yan, C Yau, S Ng, S K Lee, R-A Romano, S Davis, R L Walker, W Xiao, H Sun, L Wei, S Sinha, C C Benz, J M Stuart, P S Meltzer, C Van Waes, Z Chen
The Cancer Genome Atlas (TCGA) network study of 12 cancer types (PanCancer 12) revealed frequent mutation of TP53, and amplification and expression of related TP63 isoform ΔNp63 in squamous cancers. Further, aberrant expression of inflammatory genes and TP53/p63/p73 targets were detected in the PanCancer 12 project, reminiscent of gene programs comodulated by cREL/ΔNp63/TAp73 transcription factors we uncovered in head and neck squamous cell carcinomas (HNSCCs). However, how inflammatory gene signatures and cREL/p63/p73 targets are comodulated genome wide is unclear...
November 3, 2016: Oncogene
Monique Turmel, Jean-Simon Brouard, Cédric Gagnon, Christian Otis, Claude Lemieux
The Chlorophyceae (sensu Mattox and Stewart) is a morphologically diverse class of the Chlorophyta displaying biflagellate and quadriflagellate motile cells with varying configurations of the flagellar apparatus. Phylogenetic analyses of 18S rDNA data and combined 18S and 26S rDNA data from a broad range of chlorophycean taxa uncovered five major monophyletic groups (Chlamydomonadales, Sphaeropleales, Oedogoniales, Chaetophorales, and Chaetopeltidales) but could not resolve their branching order. To gain insight into the interrelationships of these groups, we analyzed multiple genes encoded by the chloroplast genomes of Chlamydomonas reinhardtii P...
June 2008: Journal of Phycology
Fabio Rindi, Michael D Guiry, Juan M López-Bautista
Klebsormidium is a cosmopolitan genus of green algae, widespread in terrestrial and freshwater habitats. The classification of Klebsormidium is entirely based on morphological characters, and very little is understood about its phylogeny at the species level. We investigated the diversity and phylogenetic relationships of Klebsormidium in urban habitats in Europe by a combination of approaches including examination of field-collected material, culture experiments conducted in many different combinations of factors, and phylogenetic analyses of the rbcL gene...
December 2008: Journal of Phycology
Mark J Garcia, Jack M Ferro, Tyler Mattox, Sydney Kopelic, Kristine Marson, Ryan Jones, Jon C Svendsen, Ryan L Earley
To maximize reproductive success, many animal species have evolved functional sex change. Theory predicts that transitions between sexes should occur when the fitness payoff of the current sex is exceeded by the fitness payoff of the opposite sex. We examined phenotypic differences between the sexes in a sex-changing vertebrate, the mangrove rivulus fish (Kryptolebias marmoratus), to elucidate potential factors that might drive the 'decision' to switch sex. Rivulus populations consist of self-fertilizing hermaphrodites and males...
April 2016: Journal of Experimental Biology
Matthew M Carrick, Catherine Anne Morrison, Nicole M Tapia, Jan Leonard, James W Suliburk, Michael A Norman, Francis J Welsh, Bradford G Scott, Kathy R Liscum, Sally R Raty, Matthew J Wall, Kenneth L Mattox
BACKGROUND: Hemorrhagic shock is responsible for one third of trauma related deaths. We hypothesized that intraoperative hypotensive resuscitation would improve survival for patients undergoing operative control of hemorrhage following penetrating trauma. METHODS: Between July 1, 2007, and March 28, 2013, penetrating trauma patients aged 14 years to 45 years with a systolic blood pressure of 90 mm Hg or lower requiring laparotomy or thoracotomy for control of hemorrhage were randomized 1:1 based on a target minimum mean arterial pressure (MAP) of 50 mm Hg (experimental arm, LMAP) or 65 mm Hg (control arm, HMAP)...
June 2016: Journal of Trauma and Acute Care Surgery
Lauren A Beste, Elizabeth A Mattox, Raimund Pichler, Bessie A Young, David H Au, Susan F Kirsh, Maureen W Germani, Ashley Hedeen, Bonnie K Harp, Michael F Chang
BACKGROUND: Primary care providers who participate in structured specialty telemedicine mentorship report improvements in clinical content mastery, professional satisfaction, and specialist communication. INTRODUCTION: Although these programs require investments of infrastructure resources and time, the duration of participation required to accrue optimal benefits is not known. We aimed to assess whether duration of participation is related to improved benefits of a longitudinal telemedicine-based mentorship program, specifically regarding perceived specialty care access, acquisition of new knowledge and skills, team integration, and overall job satisfaction...
August 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
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