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https://www.readbyqxmd.com/read/29235603/a-graphene-mesh-as-a-hybrid-electrode-for-foldable-devices
#1
E H Cho, M J Kim, H Sohn, W H Shin, J Y Won, Y Kim, C Kwak, C S Lee, Y S Woo
A graphene mesh with arrays of micro-holes was fabricated on a polymer substrate using photolithography for use as an electrode in flexible devices. The optimal mesh structure with high optical transmittance and electrical conductivity was designed using a finite element method, in which the conductivity of the mesh was simulated as a function of structure, size, and periodicity of the hole array. The sheet resistance of the graphene mesh was lowered to that of a graphene monolayer by chemical doping and found to be 330 Ω Sq-1 at 98...
December 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/29234964/pre-made-consent-for-elective-inguinal-hernia-repair-the-need-for-standardisation-a-survey-of-all-uk-nhs-trusts
#2
M J Courtney, T J Royle
PURPOSE: Elective inguinal hernia repair (IHR) is one of the most commonly performed operations in the UK. As with all procedures, informed consent is essential. Pre-made consent forms have been suggested to improve consenting practice. This study aimed to assess the usage and quality of pre-made hernia-specific consent forms (PCF) in the UK. METHODS: A freedom of information request was sent to all UK NHS Trusts asking: (1) does the trust perform IHRs; (2) do they have a PCF; and (3) to send a copy...
December 12, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29234938/impact-of-incisional-hernia-development-following-abdominal-operations-on-total-healthcare-cost
#3
Vamsi V Alli, Jianying Zhang, Dana A Telem
BACKGROUND: Introduction of the category III CPT code (0437T) for prophylactic mesh augmentation (PMA) highlights efforts to reduce incisional hernia (IH). PMA's value in the context of value-based care requires understanding both the cost of IH development and the savings from prevention. We hypothesized large healthcare costs with IH development. Appreciating which subsets of patients are at highest risk for IH, and the subsets who have the costliest care is essential in targeting interventions for hernia prevention...
December 12, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29234529/the-effectiveness-of-ureteric-metal-stents-in-malignant-ureteric-obstructions-a-systematic-review
#4
REVIEW
Panagiotis Kallidonis, Dimitrios Kotsiris, Francesco Sanguedolce, Panteleimon Ntasiotis, Evangelos Liatsikos, Athanasios Papatsoris
Objective: To review the literature on the effectiveness, safety and long-term patency of ureteric metal mesh stents (MSs), as a variety of MSs have been used for managing malignant ureteric obstruction over the last three decades. Materials and methods: A systematic review using the search string; Ureter∗ AND (stent OR endoprosthesis) AND metal∗ was conducted on PubMed, Scopus, Web of science and Cochrane Library online databases in May 2016. Prospective, retrospective, and comparative studies including MSs were included...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29234034/electrochemical-production-of-glycolic-acid-from-oxalic-acid-using-a-polymer-electrolyte-alcohol-electrosynthesis-cell-containing-a-porous-tio2-catalyst
#5
Masaaki Sadakiyo, Shinichi Hata, Xuedong Cui, Miho Yamauchi
A liquid flow-type electrolyser that continuously produces an alcohol from a carboxylic acid was constructed by employing a polymer electrolyte, named a polymer electrolyte alcohol electrosynthesis cell (PEAEC). Glycolic acid (GC, an alcoholic compound) is generated on anatase TiO2 catalysts via four-electron reduction of oxalic acid (OX, a divalent carboxylic acid), accompanied with water oxidation, which achieves continuous electric power storage in easily stored GC. Porous anatase TiO2 directly grown on Ti mesh (TiO2/Ti-M) or Ti felt (TiO2/Ti-F) was newly fabricated as a cathode having favourable substrate diffusivity...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29233702/endoscopic-endonasal-repair-with-polyethylene-implants-in-medial-orbital-wall-fractures-a-prospective-study-on-25-cases
#6
Giacomo Colletti, Alberto Maria Saibene, Lorenzo Giannini, Margherita Dessy, Carlotta Pipolo, Fabiana Allevi, Paolo Lozza, Giovanni Felisati, Federico Biglioli
The aim of the study was to assess the mid-term effectiveness and safety of an original technique consisting of reconstructing fractures of the medial wall of the orbit with porous polyethylene implants with an exclusive transnasal approach. Twenty-five patients were treated. Each patient underwent a pre-operative ophthalmologic evaluation and a CT scan. The surgery started with an anteroposterior ethmoidectomy of the fractured side; all the fractured bone fragments were removed and all usual landmarks of healthy bony margins were identified...
November 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29233526/no-increased-risk-of-carcinogenesis-with-mesh-based-hernia-repairs
#7
Bilal Chughtai, Art Sedrakyan, Dominique Thomas, Jialin Mao, Karyn S Eilber, J Quentin Clemens, Jennifer T Anger
BACKGROUND: The use of synthetic mesh has been placed under considerable scrutiny. We sought to evaluate whether there is a link between placement of synthetic polypropylene mesh for hernia repair and a subsequent cancer diagnosis. METHODS: Adult men undergoing mesh-based hernia repair from January 2008-December 2009 in New York State were identified and followed through December 2014. Control cohorts of men undergoing cholecystectomy and total knee replacement were control cohorts...
December 6, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/29233510/patient-specific-puzzle-implant-preformed-with-3d-printed-rapid-prototype-model-for-combined-orbital-floor-and-medial-wall-fracture
#8
Young Chul Kim, Kyung Hyun Min, Jong Woo Choi, Kyung S Koh, Tae Suk Oh, Woo Shik Jeong
BACKGROUND: The management of combined orbital floor and medial wall fractures involving the inferomedial strut is challenging due to absence of stable cornerstone. In this article, we proposed surgical strategies using customized 3D puzzle implant preformed with Rapid Prototype (RP) skull model. METHODS: Retrospective review was done in 28 patients diagnosed with combined orbital floor and medial wall fracture. Using preoperative CT scans, original and mirror-imaged RP skull models for each patient were prepared and sterilized...
November 29, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29233132/intraoral-scanners-in-dentistry-a-review-of-the-current-literature
#9
Francesco Mangano, Andrea Gandolfi, Giuseppe Luongo, Silvia Logozzo
BACKGROUND: Intraoral scanners (IOS) are devices for capturing direct optical impressions in dentistry. The purpose of this narrative review on the use of IOS was to: (1) identify the advantages/disadvantages of using optical impressions compared to conventional impressions; (2) investigate if optical impressions are as accurate as conventional impressions; (3) evaluate the differences between the IOS currently available commercially; (4) determine the current clinical applications/limitations in the use of IOS...
December 12, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29232874/alkaline-material-effects-on-roots-of-teeth
#10
REVIEW
Sowmya Shetty, Sam L Kahler, Bill Kahler
The aim of this review was to identify and analyse all studies related to the effects of alkaline materials used in dentistry on roots of teeth. The first part of the review focused on mechanical property alterations of root dentine due to sodium hypochlorite (SH) used as an irrigant solution based on MeSH (Medical Subject Heading) terms from a previous study by Pascon et al in 2009. The second part reviewed literature on calcium hydroxide (CH), mineral trioxide aggregate (MTA) and other alkaline materials used as root canal dressings or filling materials...
December 10, 2017: Materials
https://www.readbyqxmd.com/read/29232694/hyperbranched-poly-%C3%AF%C2%B5-lysine-substrate-presenting-the-laminin-sequence-yigsr-induces-the-formation-of-spheroids-in-adult-bone-marrow-stem-cells
#11
Valeria Perugini, Steve T Meikle, Anna L Guildford, Matteo Santin
Unlike the fibroblast-like cells formed upon monolayer culture of human mesenchymal stem cells, the natural stem cell niche of the bone marrow and other types of tissues favours the formation of 3-dimensional (3D) cell clusters. The structuring and biological activity of these clusters are regulated by the contacts established by cells with both the basement membrane and neighbour cells and results in their asymmetric division and the consequent maintenance of both a stem population and a committed progeny...
2017: PloS One
https://www.readbyqxmd.com/read/29232268/pelvic-organ-prolapse-repair-using-the-uphold-vaginal-support-system-5-year-follow-up
#12
Päivi Rahkola-Soisalo, Tomi S Mikkola, Daniel Altman, Christian Falconer
OBJECTIVE: This study aimed to assess the long-term (5 years) outcomes of the Uphold Vaginal Support System for symptomatic vaginal apical prolapse with or without anterior colporraphy. METHODS: In total, 164 (81.2%) of 202 women operated on in 24 centers were reached for follow-up. Outcomes were assessed by using the Pelvic Organ Prolapse Quantification, the Pelvic Floor Distress Inventory 20, and the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire questionnaires...
December 11, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29232006/reconstruction-of-a-large-full-thickness-abdominal-wall-defect-with-flow-through-based-alt-flaps-a-case-report
#13
Dong Yeon Kim, Junho Lee, Jeong Tae Kim, Hye Kyung Chang, Suk-Ho Moon
An extensive 35 × 20 cm sized full-thickness abdominal wall defect was created after resection of aggressive abdominal fibromatosis in a 19-year-old male patient. Immediate reconstruction was not possible due to prolonged operation time and resulting severe bowel edema. A silicone sheet with NPWT was applied over the exposed viscera. After 1 week, silicone sheet was substituted with a composite mesh. Then, abdominal wall reconstruction with bilateral free anterolateral thigh (ALT) flaps (30 × 12 cm and 25 × 12 cm sized) was performed...
December 12, 2017: Microsurgery
https://www.readbyqxmd.com/read/29230393/commentary-hernia-mesh-and-topical-antibiotics-especially-gentamycin-seeking-the-evidence-for-the-perfect-outcome%C3%A2
#14
COMMENT
Ekaterini Christina Tampaki, Athanasios Tampakis, Konstantinos Kontzoglou, Gregory Kouraklis
No abstract text is available yet for this article.
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29230284/acute-appendicitis-presenting-as-a-complicated-inguinal-hernia-a-case-of-left-sided-amyand-s-hernia-in-an-elderly-man
#15
Emmanuel Katsogridakis, Goran Pokusevski, Peter Byrne
Amyand's hernia (AH) is characterized by the presence of the vermiform appendix in an inguinal hernia sac. Typically presenting on the right side and with manifestations similar to those seen in complicated hernias, it presents a diagnostic challenge and is frequently only diagnosed intraoperatively. We present the case of a left-sided AH on a 75-year-old man treated with appendicectomy, orchidectomy and hernioplasty without mesh.
November 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29230283/repair-of-giant-inguinoscrotal-hernia-with-loss-of-domain
#16
Erion Qaja, Carol Le, Ramon Benedicto
A massive inguinoscrotal hernia extending below the midpoint of the inner thigh, in a standing position, constitute a 'giant' inguinoscrotal hernia. A 74-year-old male presented with giant left sided inguinal hernia for the last 30 years. Patient underwent open repair under general anesthesia after perioperative respiratory exercise. Standard hernia repair identified a sliding hernia containing entire omentum, small and large bowel, and the appendix. Giant hernias pose a challenging problem because reduction of the hernia contents inside the abdominal cavity may increase intra-abdominal and thoracic pressures...
November 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29228985/investigating-the-burden-of-antibiotic-resistance-in-ethnic-minority-groups-in-high-income-countries-protocol-for-a-systematic-review-and-meta-analysis
#17
Hannah Lishman, Paul Aylin, Vivian Alividza, Enrique Castro-Sanchez, Anuja Chatterjee, Victor Mariano, Alan P Johnson, Samir Jeraj, Céire Costelloe
BACKGROUND: Antibiotic resistance (ABR) is an urgent problem globally, with overuse and misuse of antibiotics being one of the main drivers of antibiotic-resistant infections. There is increasing evidence that the burden of community-acquired infections such as urinary tract infections and bloodstream infections (both susceptible and resistant) may differ by ethnicity, although the reasons behind this relationship are not well defined. It has been demonstrated that socioeconomic status and ethnicity are often highly correlated with each other; however, it is not yet known whether accounting for deprivation completely explains any discrepancy seen in infection risk...
December 11, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/29227902/china-s-great-leap-forward-an-estimate-of-total-and-additional-excess-male-birth-losses
#18
Victor Grech
INTRODUCTION: Stress reduces the male to female ratio at birth (M/T). China's Great Leap Forward (11/1957-1/1961) had disastrous consequences with a catastrophic national famine that lasted between 1959 and 1961. This resulted in a reduction in births and an additional male birth deficit. This study was carried out in order to estimate the total pregnancy losses and M/T, along with these value's perinatal mortality rates equivalents. METHODS: Estimated M/T and births for 1956-61 and for the aggregates of 1956-58 and 1959-61 were calculated...
December 8, 2017: Early Human Development
https://www.readbyqxmd.com/read/29227530/systematic-review-and-network-meta-analysis-of-methods-of-mesh-fixation-during-laparoscopic-ventral-hernia-repair
#19
REVIEW
J J Baker, S Öberg, K Andresen, T W Klausen, J Rosenberg
BACKGROUND: Ventral hernia repairs are common and have high recurrence rates. They are usually repaired laparoscopically with an intraperitoneal mesh, which can be fixed in various ways. The aim was to evaluate the recurrence rates for the different fixation techniques. METHODS: This systematic review included studies with human adults with a ventral hernia repaired with an intraperitoneal onlay mesh. The outcome was recurrence at least 6 months after operation...
December 11, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/29227329/a-systematic-review-and-meta-analysis-of-second-line-immunosuppressants-for-autoimmune-hepatitis-treatment
#20
Michele De Lemos-Bonotto, Cristiane Valle-Tovo, Ane M Costabeber, Angelo A Mattos, André L F Azeredo-da-Silva
INTRODUCTION: The gold-standard treatment for autoimmune hepatitis (AIH) is a prednisone/azathioprine combination. However, subgroups of patients may be unresponsive to this treatment. The aim of this study is to evaluate the efficacy of second-line immunosuppressive therapies for AIH through a systematic review and meta-analysis in adult patients. PATIENTS AND METHODS: The systematic review was registered at the PROSPERO platform under number 42015019831. Databases MEDLINE (PubMed), Lilacs, Cochrane, and Scielo were searched...
December 8, 2017: European Journal of Gastroenterology & Hepatology
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