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https://www.readbyqxmd.com/read/28842085/what-is-the-current-role-and-factors-for-success-of-the-journal-club-in-podiatric-foot-and-ankle-surgery-residency-training-programs
#1
Eric So, Christopher F Hyer, Marcus P Richardson, Randall C Thomas
The journal club (JC) is a traditional part of postgraduate medical education, although little has been written on its current role in podiatric surgical training programs. The goal of the present study was to determine how JCs are conducted and the factors associated with their success. Anonymous electronic surveys were distributed to all podiatric foot and ankle surgical training program directors in the United States with a valid e-mail address. A total of 202 surveys were initially e-mailed to training program directors, with a second and third round sent to those who did not respond...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28834109/implementation-of-respiratory-gated-vmat-on-a-versa-hd-linear-accelerator
#2
Jeffrey E Snyder, Ryan T Flynn, Daniel E Hyer
The accurate delivery of respiratory-gated volumetric modulated arc therapy (VMAT) treatment plans presents a challenge since the gantry rotation and collimator leaves must be repeatedly stopped and set into motion during each breathing cycle. In this study, we present the commissioning process for an Anzai gating system (AZ-733VI) on an Elekta Versa HD linear accelerator and make recommendations for successful clinical implementation. The commissioning tests include central axis dose consistency, profile consistency, gating beam-on/off delay, and comparison of gated versus nongated gamma pass rates for patient-specific quality assurance using four clinically commissioned photon energies: 6 MV, 6 FFF, 10 MV, and 10 FFF...
August 18, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28826801/postplacental-intrauterine-device-expulsion-by-12-weeks-a%C3%A2-prospective-cohort-study
#3
Lisa M Goldthwaite, Jeanelle Sheeder, Jennifer Hyer, Kristina Tocce, Stephanie B Teal
BACKGROUND: An intrauterine device placed immediately following a delivery can serve as an effective and safe contraceptive strategy in the postpartum period. There is limited evidence that the levonorgestrel intrauterine system may have a higher rate of expulsion compared to the copper intrauterine device; however, rates of expulsion for these 2 intrauterine device types have not been compared directly. OBJECTIVE: We sought to compare expulsion rates by 12 weeks' postpartum for the levonorgestrel intrauterine system and copper intrauterine device...
August 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28716698/cytokine-balance-and-behavioral-intervention-findings-from-the-peer-approaches-to-lupus-self-management-pals-project
#4
Edith M Williams, J Madison Hyer, Ramakrishnan Viswanathan, Trevor D Faith, Leonard Egede, Jim C Oates, Gailen D Marshall
The Peer Approaches to Lupus Self-Management program sought to address the disparate impact of systemic lupus erythematosus (SLE) on African American women through a peer mentoring intervention with aims of reducing stress, anxiety, and depression. Given the association between psychological health and immune function this study examines the relationship between patient reported outcomes (PROs) in these domains and immunologic indicators of disease activity. Twenty-three African American women with SLE served as mentees in the intervention from whom PRO measures were collected at the outset, midpoint, and end of the 12week pilot study...
July 14, 2017: Human Immunology
https://www.readbyqxmd.com/read/28633781/beaming-in-charcot-arthropathy-intramedullary-fixation-for%C3%A2-complicated-reconstructions-a-cadaveric-study
#5
Corey M Fidler, Benjamin C Watson, Christopher W Reb, Christopher F Hyer
In the modern treatment of Charcot neuroarthropathy, beam screw fixation is an alternative to plate and screw fixation. Exposure is minimized for implantation, and this technique supports the longitudinal columns of the foot as a rigid load-sharing construct. A published data review identified a paucity of data regarding metatarsal intramedullary canal morphology relevant to beam screw fixation. The purpose of the present study was to describe metatarsal diaphyseal morphology qualitatively and quantitatively in an effort to provide data that can be used by surgeons when selecting axially based intramedullary fixation...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28600364/cross-sectional-study-of-factors-associated-with-community-health-centre-use-in-a-recently-urbanised-community-in-chengdu-china
#6
Danping Liu, Hongdao Meng, Debra Dobbs, Kyaien O Conner, Kathryn Hyer, Ningxiu Li, Xiaohui Ren, Bo Gao
OBJECTIVES: Public investment in community health centres (CHCs) has been increasing as a response to rapid urbanisation in China. The objectives of this study were: (1) to examine factors associated with CHC use among residents from a recently urbanised community in western China and (2) to describe satisfaction with CHC among users. DESIGN: Cross-sectional design. SETTING: A community recently converted to urban status with a newly constructed CHC in Southwest China...
June 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/28545627/impact-of-renal-function-on-survival-after-cardiac-resynchronization-therapy
#7
J Alvin Kpaeyeh, Laura Divoky, J Madison Hyer, David D Daly, Anbukarasi Maran, Ashley Waring, Michael R Gold
Chronic kidney disease (CKD) is associated with worse survival in patients with heart disease including those with implantable devices. Cardiac resynchronization therapy (CRT) can potentially improve renal function. To assess the relation between the change in renal function and survival with CRT, 238 patients undergoing initial CRT with defibrillator implantation between 2002 and 2011 were followed. The primary end point was all-cause mortality. The estimated glomerular filtration rate (eGFR), before implantation and 6 ± 3 months after CRT was calculated...
July 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28406977/separation-increases-passive-stress-coping-behaviors-during-forced-swim-and-alters-hippocampal-dendritic-morphology-in-california-mice
#8
Molly M Hyer, Erica R Glasper
Individuals within monogamous species form bonds that may buffer against the negative effects of stress on physiology and behavior. In some species, involuntary termination of the mother-offspring bond results in increased symptoms of negative affect in the mother, suggesting that the parent-offspring bond may be equally as important as the pair bond. To our knowledge, the extent to which affect in paternal rodents is altered by involuntary termination of the father-offspring bond is currently unknown. Here, we investigated to what extent separation and paternal experience alters passive stress-coping behaviors and dendritic morphology in hippocampal subfields of California mice (Peromyscus californicus)...
2017: PloS One
https://www.readbyqxmd.com/read/28380716/dietary-service-staffing-impact-nutritional-quality-in-nursing-homes
#9
Kelly M Smith, Kali S Thomas, Shanthi Johnson, Hongdao Meng, Kathryn Hyer
OBJECTIVE: To examine the relationship between dietary service staff and dietary deficiency citations in nursing homes (NHs). METHOD: 2007-2011 Online Survey and Certification and Reporting data for 14,881 freestanding NHs were used to examine the relationship between dietary service staff and the probability of receiving a dietary service-related deficiency citation. An unconditional logit model with random effects was employed. RESULTS: Findings suggest that higher staffing levels for dietitians (odds ratio [OR] = ...
January 1, 2017: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/28340222/success-in-implementation-of-a-resident-in-service-examination-review-series
#10
Jessica A Forcucci, J Madison Hyer, Evelyn T Bruner, David N Lewin, Nicholas I Batalis
Objectives: Primary pathology board certification has been correlated with senior resident in-service examination (RISE) performance. We describe our success with an annual, month-long review series. Methods: Aggregate program RISE performance data were gathered for 3 years prior to and 3 years following initiation of the review series. In addition, mean United States Medical Licensing Examination Step 1 and 2 Clinical Knowledge scores for residents participating in each RISE examination were obtained to control for incoming knowledge and test-taking ability...
April 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28298908/serpentinization-influenced-groundwater-harbors-extremely-low-diversity-microbial-communities-adapted-to-high-ph
#11
Katrina I Twing, William J Brazelton, Michael D Y Kubo, Alex J Hyer, Dawn Cardace, Tori M Hoehler, Tom M McCollom, Matthew O Schrenk
Serpentinization is a widespread geochemical process associated with aqueous alteration of ultramafic rocks that produces abundant reductants (H2 and CH4) for life to exploit, but also potentially challenging conditions, including high pH, limited availability of terminal electron acceptors, and low concentrations of inorganic carbon. As a consequence, past studies of serpentinites have reported low cellular abundances and limited microbial diversity. Establishment of the Coast Range Ophiolite Microbial Observatory (California, U...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28216304/ankle-arthrodesis-a-retrospective-analysis-comparing-single-column-locked-anterior-plating-to-crossed-lag-screw-technique
#12
Mark A Prissel, G Alex Simpson, Sean A Sutphen, Christopher F Hyer, Gregory C Berlet
Ankle arthrodesis is performed to eliminate pain due to end-stage osteoarthritis, regardless of etiology. This procedure remains the reference standard treatment for end-stage ankle arthritis, despite recent advancements in total ankle replacement. The objective of the present study was to retrospectively evaluate the radiographic and clinical fusion rates and time to bony fusion for patients who underwent ankle arthrodesis using an anterior approach with a single column locked plate construct versus crossed lag screws...
May 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28149702/metagenomic-identification-of-active-methanogens-and-methanotrophs-in-serpentinite-springs-of-the-voltri-massif-italy
#13
William J Brazelton, Christopher N Thornton, Alex Hyer, Katrina I Twing, August A Longino, Susan Q Lang, Marvin D Lilley, Gretchen L Früh-Green, Matthew O Schrenk
The production of hydrogen and methane by geochemical reactions associated with the serpentinization of ultramafic rocks can potentially support subsurface microbial ecosystems independent of the photosynthetic biosphere. Methanogenic and methanotrophic microorganisms are abundant in marine hydrothermal systems heavily influenced by serpentinization, but evidence for methane-cycling archaea and bacteria in continental serpentinite springs has been limited. This report provides metagenomic and experimental evidence for active methanogenesis and methanotrophy by microbial communities in serpentinite springs of the Voltri Massif, Italy...
2017: PeerJ
https://www.readbyqxmd.com/read/28139400/plantar-plate-repair-using-a-direct-plantar-approach-an-outcomes-analysis
#14
Mark A Prissel, Christopher F Hyer, Jacqueline K Donovan, Amanda L Quisno
Direct plantar plate repair using a plantar approach has been described previously, but with few reports of the outcomes or clinical results. The purpose of the present study was to determine the outcomes of this technique. We performed a retrospective analysis of patients who had undergone direct plantar plate repair with or without concomitant Weil osteotomy and a prospective patient-reported subjective outcomes analysis. Ultimately, 131 patients (144 toes) were included, and the response rate for the mailed surveys was 53...
January 27, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28048490/su-g-tep2-04-comprehensive-machine-isocenter-evaluation-with-separation-of-gantry-collimator-and-table-variables
#15
S Hancock, C Clements, D Hyer, E Nixon, E Martin, B Wang, S Jani, M Gossman
PURPOSE: To develop and demonstrate application of a method that characterizes deviation of linac x-ray beams from the centroid of the volumetric radiation isocenter as a function of gantry, collimator, and table variables. METHODS: A set of Winston-Lutz ball-bearing images was used to determine the gantry radiation isocenter as the midrange of deviation values resulting from gantry and collimator rotation. Also determined were displacement of table axis from gantry isocenter and recommended table axis adjustment...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048201/su-f-t-646-sbrt-lung-moving-beyond-the-3d-conformal-paradigm-with-an-elekta-versahd-accelerator
#16
A Dalhart, D Hyer, B Allen, R Flynn, H Johnston
PURPOSE: To develop a volumetric modulated arc therapy (VMAT) planning and delivery methodology for lung stereotactic body radiation therapy (SBRT) that addresses the unique geometric challenges presented when using an Elekta VersaHD linear accelerator. METHODS: The Elekta VersaHD imaging panels are fixed at 160cm SID when deployed, limiting the ability to perform non-coplanar treatments due to collisions with the treatment table. The panels can be folded in a stored position for non-coplanar treatments, but in this configuration, longitudinal table travel is restricted by the space required for the folded panels...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047942/su-f-t-298-the-impact-of-modeling-the-treatment-couch-on-patient-specific-vmat-qa
#17
E Gelover, A Dalhart, D Hyer
PURPOSE: The aim of this work is to quantify the impact of modeling the treatment couch on the passing rate of ion chamber measurements during VMAT quality assurance. METHODS: For the initial characterization, attenuation and surface dose measurements were performed following the guidelines of TG-176 for the Civco Universal couch top using an Elekta VersaHD accelerator at an energy of 6 MV. A simulation CT was performed to aid in the creation of contours for representing the shape and size of the couch top in the treatment planning system (TPS)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027147/breaking-bad-news-in-the-high-concern-low-trust-setting-how-to-get-your-story-heard
#18
Randall N Hyer, Vincent T Covello
No abstract text is available yet for this article.
February 2017: Health Physics
https://www.readbyqxmd.com/read/27989339/anatomic-description-of-the-naviculocuneiform-articulation
#19
Kevin Renner, Jeffrey E McAlister, Melissa M Galli, Christopher F Hyer
The naviculocuneiform articulation is composed of the navicular proximally and the 3 cuneiforms distally. It is not uncommon to perform surgical interventions at this joint for multiple pathologic foot etiologies. To date, no detailed anatomic measurement is available for each cuneiform articulation on the navicular. The purpose of the present study was to present an anatomic description of this complex joint to aid in better surgical understanding and improve surgical outcomes. Ten fresh, frozen, and thawed below-the-knee cadaveric specimens were used for anatomic dissection of the navicular and associated cuneiforms...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27989336/a-review-of-399-total-ankle-replacements-analysis-of-ipsilateral-subtalar-joint-arthrodesis-and-associated-talar-component-subsidence
#20
COMPARATIVE STUDY
Mark A Prissel, Christopher F Hyer, Gregory C Berlet
Total ankle replacement (TAR) is an accepted treatment for end-stage ankle arthritis. When concurrent subtalar joint pathologic features exist, ipsilateral subtalar joint arthrodesis (STJA) can be performed either simultaneous with TAR or as a staged procedure. Limited data exist on the effect of talar component subsidence and prosthesis survivorship. The present study purpose was to evaluate the effect of STJA on talar component subsidence after primary TAR and its effect on TAR survivorship. All patients, a minimum of 18 years old, from a single institution with modern-generation TAR and 1-year minimum follow-up data available were evaluated...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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