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https://www.readbyqxmd.com/read/28822400/open-retromuscular-repair-of-parastomal-hernias-with-synthetic-mesh
#1
Lucas R Beffa, Jeremy A Warren, William S Cobb, Bryan Knoedler, Joseph A Ewing, Alfredo M Carbonell
Parastomal hernias (PHs) cause significant morbidity in patients with permanent ostomies, and several laparoscopic and open repair techniques have been described. We report our experience with open retromuscular repair of PHs using permanent synthetic mesh. A prospectively maintained database was retrospectively reviewed to identify patients undergoing PH repair. Primary outcomes are surgical site occurrence, surgical site infection (SSI), and hernia recurrence. Variables were analyzed using Pearson's χ2 test or Fisher's exact test...
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822396/an-evaluation-of-parastomal-hernia-repair-using-the-americas-hernia-society-quality-collaborative
#2
Sarah S Fox, Randy Janczyk, Jeremy A Warren, Alfredo M Carbonell, Benjamin K Poulose, Michael J Rosen, William W Hope
The purpose of this review was to evaluate outcomes relating to parastomal hernia repair. Data from the Americas Hernia Society Quality Collaborative were used to identify patients undergoing parastomal hernia repair from 2013 to 2016. Parastomal hernia repairs were compared with other repairs using Pearson's test and Wilcoxon test with a P value <0.05 considered significant. Parastomal hernia repairs were performed in 311 patients. Techniques of repair include open in 85 per cent and laparoscopic in 15 per cent...
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822254/a-systematic-review-of-hypertension-outcomes-and-treatment-strategies-in-older-adults
#3
REVIEW
Julienne K Kirk, Julie Allsbrook, Maggie Hansell, Emily M Mann
OBJECTIVE: To evaluate the literature regarding blood pressure control and management in older adult patient population over 70 years of age. METHODS: A literature search was conducted using PubMed and capturing the data from 2006 to 2016. Terms used included MeSH headings for hypertension/therapy and antihypertension agents. A systematic review of published studies was performed. Articles including older patients (average age 70 years or older) being treated for hypertension were included...
July 25, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28821051/a-novel-self-assembly-lentinan-tetraphenylethylene%C3%A2-composite-with-strong-blue%C3%A2-fluorescence-in-water-and-its-properties
#4
Mengxia Li, Pan Chen, Min Xu, Xiaojuan Xu
We report a unique self-assembly of lentinan, a triple helical β-(1→3)-glucan (t-LNT), in water. By molecular dynamics simulation, it was found that t-LNT aggregated preferentially along the chain direction to form long chains, accompanied by side-direction linkage to form branches. Transmission electron microscopy images demonstrated that t-LNT formed dendrite-like fibers, which further formed fishnet-like porous/mesoporous aggregates with increasing concentration. The meshes in the fishnet were ascribed to the intersection of branches...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28818256/will-mesh-covered-stents-help-reduce-stroke-associated-with-carotid-stent-angioplasty
#5
Carly N Richards, Peter A Schneider
Carotid stent angioplasty (CAS) has been shown to protect patient from future stroke long-term efficacy similar to carotid endarterectomy (CEA). The risk of minor stroke in the perioperative period is higher than with CEA and not related to cerebral protection during the CAS procedure since a significant portion of the neurologic events occur between 1 and 30 days following stent deployment. This observation suggests mechanisms integral to the stent itself may be pertinent such as plaque embolization thru the stent struts may occur...
March 2017: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/28817703/quality-of-life-of-inguinal-hernia-patients-in-taiwan-the-application-of-the-hernia-specific-quality-of-life-assessment-instrument
#6
Chi-Cheng Huang, Feng-Chuan Tai, Tzung-Hsin Chou, Heng-Hui Lien, Jaan-Yeh Jeng, Thien-Fiew Ho, Ching-Shui Huang
BACKGROUND: With the development of prosthetic mesh and tension free techniques, the recurrence rate following inguinal hernia repair has been reduced, and hernia outcomes research should focus on post-operative quality of life and potential complications. STUDY DESIGN: A novel hernia quality of life assessment instrument, HERQL, was developed. The HERQL questionnaire comprises a 4-item summative pain score measuring pain and discomfort resulting from various strenuous activities...
2017: PloS One
https://www.readbyqxmd.com/read/28817158/characteristics-and-efficacy-of-a-new-3-dimensional-printed-mesh-structure-titanium-alloy-spacer-for-posterior-lumbar-interbody-fusion
#7
Sung-Soo Chung, Kyung-Joon Lee, Yoo-Beom Kwon, Kyung-Chung Kang
This study evaluated the characteristics of a newly developed 3-dimensional printed mesh structure titanium spacer and its efficacy for posterior lumbar interbody fusion. Posterior lumbar interbody fusion with this spacer was performed at 53 segments (40 patients; mean age, 64 years; range, 51-73 years). Data were collected prospectively. Radiographic characteristics were analyzed with changes in interbody height, instability of the segments, formation of bone bridges around the implants, and pseudarthrosis, as determined by dynamic radiographs and postoperative computed tomography scans...
August 17, 2017: Orthopedics
https://www.readbyqxmd.com/read/28816719/the-limitations-of-implantable-mesh-in-mastopexy
#8
Eric Swanson
No abstract text is available yet for this article.
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28816656/tracking-by-detection-of-3d-human-shapes-from-surfaces-to-volumes
#9
Chun-Hao Huang, Benjamin Allain, Edmond Boyer, Jean-Sebastien Franco, Federico Tombari, Nassir Navab, Slobodan Ilic
3D Human shape tracking consists in fitting a template model to temporal sequences of visual observations. It usually comprises an association step, that finds correspondences between the model and the input data, and a deformation step, that fits the model to the observations given correspondences. Most current approaches follow the Iterative-Closest-Point (ICP) paradigm, where the association step is carried out by searching for the nearest neighbors. It fails when large deformations occur and errors in the association tend to propagate over time...
August 15, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28816344/comparison-of-two-finite-element-modeling-solutions-for-biomechanical-simulation-using-a-case-study-of-a-mandibular-bone
#10
Yunfeng Liu, Ying-Ying Fan, Hui-Yue Dong, Jian-Xing Zhang
BACKGROUND: The method used in biomechanical modeling for finite element method (FEM) analysis needs to deliver accurate results. There are currently two solutions used in FEM modeling for biomedical model of human bone from CT images: one is based on a triangular mesh, and the other is based on the parametric surface model and is more popular in practice. MATERIALS AND METHODS: The outline and modeling procedures for the two solutions are compared and analyzed...
August 17, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28816102/hydrodenticity-to-enhance-relaxivity-of-gadolinium-dtpa-within-crosslinked-hyaluronic-acid-nanoparticles
#11
Maria Russo, Alfonso Maria Ponsiglione, Ernesto Forte, Paolo Antonio Netti, Enza Torino
AIM: The efficacy of gadolinium (Gd) chelates as contrast agents for magnetic resonance imaging remains limited owing to poor relaxivity and toxic effects. Here, the effect of the hydration of the hydrogel structure on the relaxometric properties of Gd-DTPA is explained for the first time and called Hydrodenticity. RESULTS: The ability to tune the hydrogel structure is proved through a microfluidic flow-focusing approach able to produce crosslinked hyaluronic acid nanoparticles, analyzed regarding the crosslink density and mesh size, and connected to the characteristic correlation times of the Gd-DTPA...
August 17, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28815943/impact-response-comparison-between-parametric-human-models-and-postmortem-human-subjects-with-a-wide-range-of-obesity-levels
#12
Kai Zhang, Libo Cao, Yulong Wang, Eunjoo Hwang, Matthew P Reed, Jason Forman, Jingwen Hu
OBJECTIVE: Field data analyses have shown that obesity significantly increases the occupant injury risks in motor vehicle crashes, but the injury assessment tools for people with obesity are largely lacking. The objectives of this study were to use a mesh morphing method to rapidly generate parametric finite element models with a wide range of obesity levels and to evaluate their biofidelity against impact tests using postmortem human subjects (PMHS). METHODS: Frontal crash tests using three PMHS seated in a vehicle rear seat compartment with body mass index (BMI) from 24 to 40 kg/m(2) were selected...
August 17, 2017: Obesity
https://www.readbyqxmd.com/read/28815547/adjustable-mini-sling-compared-to-conventional-mid-urethral-slings-in-women-with-urinary-incontinence-a-randomized-controlled-trial
#13
Martin Rudnicki, Katarina von Bothmer-Ostling, Anja Holstad, Claes Magnusson, Memona Majida, Constanze Merkel, Jens Prien, Ulf Jakobsson, Pia Teleman
INTRODUCTION: The primary aim was to compare the objective and subjective outcomes and short-term complication rates of an adjustable single-incision mini-sling (SIMS) versus standard mid-urethral slings (SMUS). The secondary aim was reporting pain perception and complications at one-year follow-up. MATERIAL AND METHODS: The study was designed as a multicenter prospective randomized trial where women were included by eight centers in Denmark, Norway and Sweden. The trial was registered at ClinicalTrials...
August 16, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28815398/characterization-of-host-response-resorption-and-strength-properties-and-performance-in-the-presence-of-bacteria-for-fully-absorbable-biomaterials-for-soft-tissue-repair
#14
N F N Stoikes, J R Scott, A Badhwar, C R Deeken, G R Voeller
PURPOSE: The objective was to evaluate the host response, resorption, and strength properties, and to assess the performance in the presence of bacteria for Phasix™ Mesh (Phasix™) and Gore(®) Bio-A(®) Tissue Reinforcement (Bio-A(®)) in preclinical models. METHODS: In a rat model, one mesh (2 × 2 cm) was implanted subcutaneously in n = 60 rats. Animals were euthanized after 2, 4, 8, 12, 16, or 24 weeks (n = 5/mesh/time point), and implant sites were assessed for host inflammatory response and overall fibrotic repair thickness...
August 16, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28815150/identifying-psychiatric-comorbidities-for-obstructive-sleep-apnea-in-the-biomedical-literature-and-electronic-health-record
#15
Jessica M Haddad, Elizabeth S Chen
Obstructive sleep apnea (OSA) is one of the most common diseases among Americans, affecting between 5 and 20% of the population. While there is existing evidence of numerous comorbid conditions, such as obesity, diabetes, and high blood pressure, the vast majority of this evidence has focused explicitly on cardiovascular morbidities and excluded any mental or behavioral disorders. The goal of this study was to examine psychiatric comorbidities of OSA in two types of sources: (1) biomedical literature in the MEDLINE/PubMed database (focusing on MeSH descriptors) and Semantic MEDLINE Database (SemMedDB; for semantic predications), and (2) electronic health record data in the MIMIC-III database...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28813978/evaluation-of-3d-printed-anatomically-scalable-transfemoral-prosthetic-knee
#16
Tyagi Ramakrishnan, Millicent Schlafly, Kyle B Reed
This case study compares a transfemoral amputee's gait while using the existing Ossur Total Knee 2000 and our novel 3D printed anatomically scalable transfemoral prosthetic knee. The anatomically scalable transfemoral prosthetic knee is 3D printed out of a carbon-fiber and nylon composite that has a gear-mesh coupling with a hard-stop weight-actuated locking mechanism aided by a cross-linked four-bar spring mechanism. This design can be scaled using anatomical dimensions of a human femur and tibia to have a unique fit for each user...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813621/improvement-of-an-in-vitro-model-to-assess-delivered-dose-and-particle-size-for-a-vibrating-mesh-nebulizer-during-mechanical-ventilation
#17
Nani Kadrichu, Derek Daniher
BACKGROUND: In an in vitro model of mechanical ventilation with gravity-dependent filter position we observed artificially high delivered doses resulting from liquid droplet collection and precipitation of aerosolized drug. We sequentially modified the model to obtain accurate reproducible measurements of delivered dose and particle size at endotracheal tube exit. METHODS: Stepwise changes in the model included (1) altering the endotracheal tube position to a gravity-independent position, (2) adding fluid traps, (3) humidifying air near the test lung, and (4) simplifying test lung and filters...
August 16, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28813613/methacholine-challenge-comparison-of-airway-responsiveness-produced-by-a-vibrating-mesh-nebulizer-versus-a-jet-nebulizer
#18
Christianne M Blais, Donald W Cockcroft, Justine Veilleux, Marie-Ève Boulay, Louis-Philippe Boulet, Gail M Gauvreau, Tara X Scime, Richard M Watson, Paul M O'Byrne, Beth E Davis
BACKGROUND: The latest methacholine challenge testing (MCT) guidelines published by the European Respiratory Society recommend the characterization of nebulizers before their use in clinics and research. Such investigations are necessary for accurately determining the provocative dose of methacholine causing a 20% fall in FEV1 (PD20) delivered by a given device. The standard English Wright (Wright) jet nebulizer recommended in the 1999 guidelines by the American Thoracic Society has become difficult to obtain and possesses some characteristics that complicate the calculation of dose delivery from this device (e...
August 16, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28812330/black-and-minority-ethnic-group-involvement-in-health-and-social-care-research-a-systematic-review
#19
REVIEW
Shoba Dawson, Stephen M Campbell, Sally J Giles, Rebecca L Morris, Sudeh Cheraghi-Sohi
BACKGROUND: Patient and public involvement (PPI) in research is growing internationally, but little is known about black and minority ethnic (BME) involvement and the factors influencing their involvement in health and social care research. OBJECTIVES: To characterize and critique the empirical literature on BME-PPI involvement in health and social care research. SEARCH STRATEGY: Systematic searches of six electronic bibliographic databases were undertaken, utilizing both MeSH and free-text terms to identify international empirical literature published between 1990 and 2016...
August 15, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28812124/clozapine-chlorpromazine-and-risperidone-dose-dependently-reduce-emotional-hyperthermia-a-biological-marker-of-salience
#20
William W Blessing, Esther M Blessing, Mazher Mohammed, Youichirou Ootsuka
RATIONALE: We recently introduced a new rat model of emotional hyperthermia in which a salient stimulus activates brown adipose tissue (BAT) thermogenesis and tail artery constriction. Antipsychotic drugs, both classical and second generation, act to reduce excessive assignment of salience to objects and events in the external environment. The close association between salient occurrences and increases in body temperature suggests that antipsychotic drugs may also reduce emotional hyperthermia...
August 15, 2017: Psychopharmacology
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