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"Component separation"

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https://www.readbyqxmd.com/read/28316433/reporting-adverse-transfusion-reactions-a-retrospective-study-from-tertiary-care-hospital-from-new-delhi-india
#1
Sangeeta Pahuja, Vandana Puri, Gunjan Mahajan, Prajwala Gupta, Manjula Jain
CONTEXT: Blood transfusion services have achieved newer heights in the last decade, with developments in cellular techniques, component separation, and integration of molecular methods. However, the system of recording and reporting of the adverse events related to blood transfusion is developing countries like India is grossly inadequate and voluntary in nature. AIMS: This study was undertaken to analyze the retrospective data on adverse events related to blood transfusions in our hospital...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28293522/a-case-report-of-the-first-nonburn-related-military-trauma-victim-treated-with-spray-skin-regenerative-therapy-in-combination-with-a-dermal-regenerate-template
#2
Ian L Valerio, Daniel A Hammer, Juan L Rendon, Kerry P Latham, Mark E Fleming
Massive soft tissue and skin loss secondary to war-related traumas are among the most frequently encountered challenges in the care of wounded warriors. This case report outlines the first military nonburn-related trauma patient treated by a combination of regenerative modalities. Our case employs spray skin technology to an established dermal regenerate matrix. Our patient, a 29-year-old active duty male, suffered a combat blast trauma in 2010 while deployed. The patient's treatment course was complicated by a severe necrotizing fasciitis infection requiring over 100 surgical procedures for disease control and reconstruction...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28286172/age-related-changes-in-skeletal-muscle-composition-a-pilot-nuclear-magnetic-resonance-spectroscopy-study-in-mice
#3
Anatoly P Sobolev, Luisa Mannina, Manuela Costanzo, Barbara Cisterna, Manuela Malatesta, Carlo Zancanaro
The composition of skeletal muscle was investigated in the quadriceps and gastrocnemius muscle of 13-month-old (n=15) and 23-month-old (n=19) mice by means of high-resolution nuclear magnetic resonance (NMR) spectroscopy. Muscle specimens were dissected out, frozen in liquid nitrogen and extracted in chloroform/methanol, and proton NMR spectra of the resulting aqueous and organic fractions were obtained at 600MHz. Several metabolites were unambiguously identified and quantified. Multivariate ANOVA (factor: age, muscle, age×muscle) showed a significant main effect of age (P=0...
March 7, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28286041/combined-submuscular-tissue-expansion-and-anterior-component-separation-technique-for-abdominal-wall-reconstruction-long-term-outcome-analysis
#4
Brendan Alleyne, Cemile Nurdan Ozturk, Antonio Rampazzo, Jeffrey Johnson, Raffi Gurunluoglu
BACKGROUND: We report the long-term outcome analysis of 12 patients who underwent two-stage abdominal wall reconstruction using combined submuscular tissue expansion and anterior components separation (CS) technique. METHODS: Outcome measures were (1) the patients were assessed for the presence or absence of recurrence; (2) patient-reported outcomes on physical functioning in relation with the abdominal wall reconstruction were evaluated using the SF 36-item health survey...
February 17, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28279526/applicability-and-midterm-results-of-branch-cuff-closure-with-vascular-plug-in-branched-endovascular-repair-for-thoracoabdominal-aortic-aneurysms
#5
Kiattisak Hongku, Timothy Resch, Björn Sonesson, Thorarinn Kristmundsson, Nuno V Dias
OBJECTIVE: This study assessed the applicability and outcomes of the closure of unused cuffs in branched endovascular aneurysm repair (b-EVAR) of thoracoabdominal aortic aneurysm. METHODS: We reviewed b-EVAR procedures at a tertiary referral center to identify patients who underwent incomplete branching and needed closure of the unused branch cuffs. An electronic database and intraoperative and follow-up imaging studies were reviewed to assess technical applicability and outcomes...
March 6, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28277071/chemical-component-separation-a-systematic-review-and-meta-analysis-of-botulinum-toxin-for-management-of-ventral-hernia
#6
Jason M Weissler, Michael A Lanni, Michael G Tecce, Martin J Carney, Valeriy Shubinets, John P Fischer
BACKGROUND: Ventral hernia represents a surgical challenge plagued by high morbidity and recurrence rates. Primary closure of challenging hernias is often prohibited by severe lateral retraction and tension of the abdominal wall musculature. Botulinum toxin injections have recently been identified as a potential pre-operative means to counteract abdominal wall tension, reduce hernia size, and facilitate fascial closure during hernia repair. This systematic review and meta-analysis reviews outcomes associated with botulinum toxin injections in the setting of ventral hernia, and demonstrates an opportunity to leverage this mainstream aesthetic product for use in abdominal wall reconstruction...
February 20, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28265733/major-complex-abdominal-wall-repair-in-contaminated-fields-with-use-of-a-non-cross-linked-biologic-mesh-a-dual-institutional-experience
#7
J J Atema, E J Furnée, Y Maeda, J Warusavitarne, P J Tanis, W A Bemelman, C J Vaizey, M A Boermeester
BACKGROUND: Data on the use of biologic mesh in abdominal wall repair in complex cases remain sparse. Aim of this study was to evaluate a non-cross-linked porcine acellular dermal matrix for repair of complex contaminated abdominal wall defects. METHODS: Retrospective observational cohort study of consecutive patients undergoing abdominal wall repair with use of Strattice™ Reconstructive Tissue Matrix (LifeCell Corporation, Oxford, UK) between January 2011 and February 2015 at two National Intestinal Failure Units...
March 6, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28237928/robust-multi-exposure-image-fusion-a-structural-patch-decomposition-approach
#8
Kede Ma, Hui Li, Hongwei Yong, Zhou Wang, Deyu Meng, Lei Zhang
We propose a simple yet effective structural patch decomposition (SPD) approach for multi-exposure image fusion (MEF) that is robust to ghosting effect. We decompose an image patch into three conceptually independent components: signal strength, signal structure, and mean intensity. Upon fusing these three components separately, we reconstruct a desired patch and place it back into the fused image. This novel patch decomposition approach benefits MEF in many aspects. First, as opposed to most pixel-wise MEF methods, the proposed algorithm does not require post-processing steps to improve visual quality or to reduce spatial artifacts...
February 20, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28202193/comprehensive-three-dimensional-gas-chromatography-mass-spectrometry-separation-of-diesel
#9
Frank Cheng-Yu Wang
Diesel, a complex hydrocarbon mixture, was examined using comprehensive two-dimensional gas chromatography (GC×GC) and a field ionization mass spectrometer (FIMS), which preferentially yields molecular ions, providing an extra dimension for component separation. Molecular ions collected at low mass resolution can be assigned an NM-class (Nominal Mass-class) value that does not completely express hydrogen deficiency. In contrast to formulae and Z-class assignments that are possible from ultrahigh mass resolution, NM-class assignments are not unambiguous; however, the separation provided by GC×GC can result in coelution of components that differ in NM-class...
March 17, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28187028/comparison-of-surgeon-specialty-in-open-ventral-hernia-repair
#10
Chris M Reid, Michael G Brandel, Amanda A Gosman
BACKGROUND: Ventral hernia repair is a common procedure and is undertaken by surgeons with varying training backgrounds. Outcomes after hernia repair depend on numerous factors, some being patient or surgeon specific. It remains unclear what the ideal roles are for general and plastic surgeons in open ventral hernia repair. We hypothesized that open ventral hernia repair by plastic surgeons is safe and comparable with general surgeons. METHODS: We performed a retrospective observational study using data from the National Surgical Quality Improvement Program database from 2007 to 2013...
February 10, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28157913/analysis-of-multi-wavelength-measurements-of-diffusive-properties-via-dispersion-dependence-of-optical-properties
#11
A Mialdun, V Shevtsova
We suggest a novel approach to analyze the diffusive properties of mixtures using their optical dispersion relations. Two diagnostics are required to determine the thermodiffusion coefficients in a ternary mixture, e.g., two different wavelengths. The literature results on thermodiffusion experiments indicate that the choice of a pair of wavelengths affects the result of the sought-after thermodiffusion (Soret) coefficients somewhat, because the numerical values of the refractive index variation with the concentration (optical contrast factor ∂n/∂C) depend on the wavelength...
January 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28153601/quantitative-assessment-of-tension-reduction-at-the-midline-closure-during-abdominal-component-separation
#12
Ahmed M Afifi, Emily Hartmann, Ahmed Talaat, Ashraf Abo Alfotooh, Omar S Omar, Sayed Mareei, Ruston Sanchez, Steve J Kempton
BACKGROUND: Abdominal component separation is used commonly for closure of midline abdominal wounds. The value of each step in reducing tension has not been studied. Our aim was to test whether component separation decreases tension in the midline closure and to quantify the value of each procedural step. STUDY DESIGN: Tension required to bring the rectus muscle to midline was measured using tensiometry after subcutaneous dissection (step 1), external oblique muscle release (step 2), separation of the internal and external oblique muscles (step 3), and internal oblique muscle release (step 4)...
January 31, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28151808/techniques-for-abdominal-wall-reconstruction-in-intestinal-transplantation
#13
Gabriel E Gondolesi, Nicolás F Aguirre
PURPOSE OF REVIEW: One of the most important challenges in the intestinal (ITx) and multivisceral transplant (MVTx) is to achieve a successful abdominal wall closure. RECENT FINDINGS: A tension-free primary closure should be our aim. In most of the cases, we need to perform a component separation technique, alone or combined, to the use of a synthetic mesh. If those options are not feasible, the abdominal wall composite vascularized allograft transplant (AW-CVA) utilizing direct orthotopic vascularization can be considered...
February 1, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28125536/wound-morbidity-in-minimally-invasive-anterior-component-separation-compared-to-transversus-abdominis-release
#14
Brodie Parent, Dara Horn, Lauren Jacobson, Rebecca P Petersen, Marcelo Hinojosa, Robert Yates, Andrew S Wright, Otway Louie
BACKGROUND: Transversus abdominis release is a novel approach for myofascial advancement in ventral hernia repair and has been hypothesized to have lower rates of wound complication than anterior component separation. METHODS: Patients who had a ventral hernia repair with either transversus abdominis release or minimally invasive anterior component separation from January of 2010 to January of 2016 were enrolled in this retrospective cohort study. Patient characteristics were collected through chart review...
February 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28124988/three-dimensional-measurement-for-specular-reflection-surface-based-on-reflection-component-separation-and-priority-region-filling-theory
#15
Xiaoming Sun, Ye Liu, Xiaoyang Yu, Haibin Wu, Ning Zhang
Due to the strong reflection property of materials with smooth surfaces like ceramic and metal, it will cause saturation and the highlight phenomenon in the image when taking pictures of those materials. In order to solve this problem, a new algorithm which is based on reflection component separation (RCS) and priority region filling theory is designed. Firstly, the specular pixels in the image are found by comparing the pixel parameters. Then, the reflection components are separated and processed. However, for ceramic, metal and other objects with strong specular highlight, RCS theory will change color information of highlight pixels due to larger specular reflection component...
January 23, 2017: Sensors
https://www.readbyqxmd.com/read/28121891/discussion-wound-morbidity-in-minimally-invasive-anterior-component-separation-compared-to-transversus-abdominis-release
#16
Donald P Baumann, Charles E Butler
No abstract text is available yet for this article.
February 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28060188/prox1-gene-cc-genotype-as-a-major-determinant-of-early-onset-of-type-2-diabetes-in-slavic-study-participants-from-action-in-diabetes-and-vascular-disease-preterax-and-diamicron-mr-controlled-evaluation-study
#17
Pavel Hamet, Mounsif Haloui, François Harvey, François-Christophe Marois-Blanchet, Marie-Pierre Sylvestre, Muhammad-Ramzan Tahir, Paul H G Simon, Beatriz Sonja Kanzki, John Raelson, Carole Long, John Chalmers, Mark Woodward, Michel Marre, Stephen Harrap, Johanne Tremblay
BACKGROUND: The prevalence of diabetic nephropathy varies according to ethnicity. Environmental as well as genetic factors contribute to the heterogeneity in the presentation of diabetic nephropathy. Our objective was to evaluate this heterogeneity within the Caucasian population. METHODS: The geo-ethnic origin of the 3409 genotyped Caucasian type 2 diabetes (T2D) patients of Action in Diabetes and Vascular Disease: Preterax and Diamicron MR Controlled Evaluation was determined using principal component analysis...
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28044960/transversus-abdominis-muscle-release-tar-for-large-incisional-hernia-repair
#18
Valentin Oprea, Victor Gheorghe Radu, Doru Moga
Background: complex ventral hernia repair is a frequent and challenging topic. Reconstructive techniques are numerous but most of them are unable to achieve the goals of hernioplasty. Posterior component separation with transverses abdominis muscle release (TAR) is a novel approach that offers a solution for complex ventral hernias. METHOD: The posterior rectus sheath is incised and the retrorectus plane is developed. In a modification of the Rives-Stoppa technique, the transversus abdominis is released medial to the linea semilunaris to expose a broad plane that extends from the central tendon of the diaphragm superiorly, to the space of Retzius inferiorly, and laterally to the retro-peritoneum...
November 2016: Chirurgia
https://www.readbyqxmd.com/read/28039655/the-effect-of-component-separation-technique-on-quality-of-life-qol-and-surgical-outcomes-in-complex-open-ventral-hernia-repair-ovhr
#19
Laurel J Blair, Tiffany C Cox, Ciara R Huntington, Steven A Groene, Tanushree Prasad, Amy E Lincourt, Kent W Kercher, B Todd Heniford, Vedra A Augenstein
INTRODUCTION: Outcomes following OVHR may be affected by type of component separation. In this study, outcomes including QOL of patients undergoing OVHR were evaluated based on the utilization of transversus abdominis release (TAR), posterior rectus sheath release (PRSR) alone or in combination with external oblique release (EOR + PRSR). METHODS: A prospective, single-institution study following open ventral hernia repair involving component separation was performed from May 2005 to April 2015...
December 30, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/28039640/hands-on-2-0-improving-transfer-of-training-via-the-society-of-american-gastrointestinal-and-endoscopic-surgeons-sages-acquisition-of-data-for-outcomes-and-procedure-transfer-adopt-program
#20
Jonathan Dort, Amber Trickey, John Paige, Erin Schwarz, Brian Dunkin
BACKGROUND: Practicing surgeons commonly learn new procedures and techniques by attending a "hands-on" course, though trainings are often ineffective at promoting subsequent procedure adoption in practice. We describe implementation of a new program with the SAGES All Things Hernia Hands-On Course, Acquisition of Data for Outcomes and Procedure Transfer (ADOPT), which employs standardized, proven teaching techniques, and 1-year mentorship. Attendee confidence and procedure adoption are compared between standard and ADOPT programs...
December 30, 2016: Surgical Endoscopy
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