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https://www.readbyqxmd.com/read/28537647/robotic-assisted-total-hip-arthroplasty-outcomes-at-minimum-two-year-follow-up
#1
Richard L Illgen, Brandon R Bukowski, Rasheed Abiola, Paul Anderson, Morad Chughtai, Anton Khlopas, Michael A Mont
BACKGROUND: Component malposition in total hip arthroplasty (THA) contributes to instability and early failure. Robotic-assisted total hip arthroplasty (rTHA) utilizes CT-based planning with haptically-guided bone preparation and implant insertion to optimize component position accuracy. This study compared acetabular component position and postoperative complications following manual THA (mTHA) with rTHA. MATERIALS AND METHODS: Consecutive primary THAs performed by one surgeon at three intervals were analyzed in this retrospective cohort study: the initial 100 consecutive manual THAs (mTHA) in clinical practice (year 2000), the last consecutive 100 mTHA before rTHA introduction (year 2011), and the first consecutive 100 rTHA (year 2012)...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28527929/new-predictors-of-complications-in-carotid-body-tumor-resection
#2
Gloria Y Kim, Peter F Lawrence, Rameen S Moridzadeh, Kate Zimmerman, Alberto Munoz, Kuauhyama Luna-Ortiz, Gustavo S Oderich, Juan de Francisco, Jorge Ospina, Santiago Huertas, Leonardo R de Souza, Thomas C Bower, Steven Farley, Hugh A Gelabert, Marcus R Kret, E John Harris, Giovanni De Caridi, Francesco Spinelli, Matthew R Smeds, Christos D Liapis, John Kakisis, Anastasios P Papapetrou, Eike S Debus, Christian-A Behrendt, Edgar Kleinspehn, Joshua D Horton, Firas F Mussa, Stephen W K Cheng, Mark D Morasch, Khurram Rasheed, Matthew E Bennett, Jean Bismuth, Alan B Lumsden, Christopher J Abularrage, Alik Farber
OBJECTIVE: This study examined the relationship between two new variables, tumor distance to base of skull (DTBOS) and tumor volume, with complications of carotid body tumor (CBT) resection, including bleeding and cranial nerve injury. METHODS: Patients who underwent CBT resection between 2004 and 2014 were studied using a standardized, multi-institutional database. Demographic, perioperative, and outcomes data were collected. CBT measurements were determined from computed tomography, magnetic resonance imaging, and ultrasound examination...
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28522242/monitoring-the-surface-quality-of-silver-plasmon-waveguides-with-nonlinear-photoemission-electron-microscopy-and-in-situ-ion-sputtering
#3
Kellie Pearce, Francis Schuknecht, Christian Späth, Benjamin Duschner, Florian Richter, Ulf Kleineberg
We use photoemission electron microscopy (PEEM) with single- and two-photon excitation to study the properties of surface plasmon polaritons (SPPs) in tapered silver stripe waveguides. Arrays of waveguides with different widths, grating coupler geometries, and taper angles are fabricated using electron beam lithography (EBL) on Si and indium-tin-oxide (ITO)-covered glass substrates. The presence of propagating SPP modes is indicated by modulations of the non-linear photoemission intensity which run along the length of the waveguide - the result of interfering SPPs reflected from the edges...
May 10, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28515813/transperitoneal-laparoscopic-nephrectomy-assessing-complication-risk-in-cases-of-previous-abdominal-surgery
#4
Simon Ouellet, Robert Sabbagh, Claudio Jeldres
INTRODUCTION: We aimed to assess the effect of previous abdominal surgery on perioperative outcomes in patients undergoing transperitoneal laparoscopic partial (LPN) or radical (LRN) nephrectomy for renal masses. METHODS: We retrospectively reviewed all cases of LPN and LRN for renal masses at our institution between 2008 and 2014. Patients were divided in two groups, those with and without prior abdominal surgery. Four perioperative outcomes were compared, namely, operative time (OT), estimated blood loss (EBL), length of stay (LOS), and 30-days complications rate...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28508348/cost-analysis-of-minimally-invasive-radical-hysterectomy-for-cervical-cancer-performed-by-a-single-surgeon-in-an-italian-center-an-update-in-gynecologic-oncological-field
#5
Antonio Pellegrino, Gianluca Raffaello Damiani, Giorgio Fachechi, Cecilia Pirovano, Maria Gaetani, Aly Youssef
The objective of this study is to perform an economic analysis and examine the influence of procedural volume of our hospital, evaluating the accounting systems of Robotic radical hysterectomy (RRH) vs Laparoscopic radical hysterectomy (TLRH) in patients with cervical carcinoma, due to the costs widely variable and lack in literature. Costs were collected prospectively, from March 2010 to March 2016. Direct costs were determined by examining the overall medical pathway for each type of intervention. 52 patients with cervical carcinoma, which were matched by age, body mass index, tumor size, International Federation of Gynecology and Obstetrics (FIGO) stage, comorbidity, previous neoadjuvant chemotherapy, histology type, and tumor grade to obtain homogeneous samples...
May 15, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28502183/fabrication-microscopic-and-spectroscopic-characterization-of-planar-bimetallic-micro-and-nanopatterned-surfaces
#6
Cristiana Passiu, Antonella Rossi, Laetitia Bernard, Dennis Paul, John S Hammond, Wolfgang E S Unger, Nagaiyanallur V Venkataraman, Nicholas D Spencer
Micropatterns and nanopatterns of gold embedded in silver and titanium embedded in gold have been prepared by combining either photolithography or electron-beam lithography (EBL) with a glue-free template-stripping procedure. The obtained patterned surfaces have been topographically characterized by means of atomic force microscopy (AFM) and scanning electron microscopy (SEM), showing a very low root-mean-square (RMS) roughness (<0.5 nm), high coplanarity between the two metals (maximum height difference ~2 nm) and topographical continuity at the bimetallic interface...
May 13, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28499587/the-phosphodiesterase-4-inhibitor-apremilast-inhibits-th1-but-promotes-th17-responses-induced-by-6-sulfo-lacnac-slan-dendritic-cells
#7
Stephanie Oehrl, Hridayesh Prakash, Annette Ebling, Nina Trenkler, Priscila Wölbing, Anja Kunze, Thomas Döbel, Marc Schmitz, Alexander Enk, Knut Schäkel
BACKGROUND: The phosphodiesterase 4 (PDE4) inhibitor apremilast increases cellular cAMP levels and has proven effective in the treatment of psoriasis and psoriasis arthritis. We recently described 6-sulfo LacNAc dendritic cells (slanDCs) as immature DCs in blood and as a subset of inflammatory dermal DCs in psoriasis with a pronounced capacity to produce proinflammatory cytokines and to program Th17/Th1 T cell responses. OBJECTIVE: The aim of this study was to investigate possible immune regulatory effects of the PDE4 inhibitor apremilast on slanDCs...
April 20, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28495241/the-natural-course-of-prevertebral-soft-tissue-swelling-after-anterior-cervical-spine-surgery-how-long-will-it-last
#8
Seok Woo Kim, Chulyoung Jang, Myung Ho Yang, Seonjong Lee, Je Hyun Yoo, Yoon Hae Kwak, Ji Hyo Hwang
BACKGROUND CONTEXT: Prevertebral soft tissue swelling (PSTS) after anterior cervical spine surgery (ACSS) has been regarded as one of the critical complications that cause airway obstruction. Still, however, no research has dealt with how PSTS returns to pre-surgery status after ACSS; most recommendations are being performed without information about its natural course, focusing on acute-phase swelling after surgery. PURPOSE: To examine how long post-surgery PSTS lasts and when it returns to its pre-surgery state; to analyze the actual influence of a number of factors to observe the natural progress of post-surgery PSTS...
May 8, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28483553/association-between-prophylactic-oxytocin-use-during-dilation-evacuation-and-estimated-blood-loss
#9
Katherine Whitehouse, Mary Tschann, James Davis, Reni Soon, Jennifer Salcedo, EmmaKate Friedlander, Bliss Kaneshiro
OBJECTIVES: Some providers use oxytocin during dilation and evacuation (D&E) to prevent or treat hemorrhage although evidence to support this is scarce. We sought to describe the association between prophylactic oxytocin use, estimated blood loss (EBL), and surgical outcomes during D&E. STUDY DESIGN: We performed a chart review of 730 women at 14 to 26weeks gestation who had a D&E at our institution between May 2010 and May 2014 to assess the association between prophylactic oxytocin use and EBL...
May 5, 2017: Contraception
https://www.readbyqxmd.com/read/28480342/a-preliminary-oncologic-outcome-and-postoperative-complications-in-patients-undergoing-robot-assisted-radical-cystectomy-initial-experience
#10
Satoru Muto, Kousuke Kitamura, Takeshi Ieda, Fumitaka Shimizu, Masayoshi Nagata, Shuji Isotani, Hisamitsu Ide, Raizo Yamaguchi, Shigeo Horie
PURPOSE: Robot-assisted radical cystectomy (RARC) was originally intended to replace open radical cystectomy (ORC) as a minimally invasive surgery for patients with invasive bladder cancer. The purpose of this study was to evaluate the advantages of robotic surgery, comparing perioperative and oncologic outcomes between RARC and ORC. MATERIALS AND METHODS: Between June 2012 and August 2016, 49 bladder cancer patients were given a radical cystectomy, 21 robotically and 28 by open procedure...
May 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28475447/accuracy-of-ultrasound-thermography-and-subepidermal-moisture-in-predicting-pressure-ulcers-a-systematic-review
#11
A L Oliveira, Z Moore, T O Connor, D Patton
OBJECTIVE: Our aims were to: establish the clinical significance of ultrasound, thermography, photography and subepidermal moisture (SEM) measurement; determine the accuracy of ultrasound, thermography, photography and SEM measurement in detecting skin/tissue damage; determine the relative accuracy of one of these assessment methods over another; make recommendations for practice pertaining to assessment of early skin/tissue damage. METHOD: The following databases, Cochrane Wounds Group Specialised Register, The Cochrane Central Register of Controlled Trials, Ovid MEDLINE, Ovid EMBASE, Elsevier version, EBSCO CINAHL, ClinicalTrials...
May 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28471972/outcomes-of-robot-assisted-simple-enucleation-of-renal-masses-a-single-european-center-experience
#12
Deliu Victor Matei, Mihai Dorin Vartolomei, Gennaro Musi, Giuseppe Renne, Valeria Maria Lucia Tringali, Francesco Alessandro Mistretta, Maurizio Delor, Andrea Russo, Antonio Cioffi, Roberto Bianchi, Gabriele Cozzi, Ettore Di Trapani, Danilo Bottero, Giovanni Cordima, Giuseppe Lucarelli, Matteo Ferro, Ottavio de Cobelli
The aim of this study was to assess the ability of pre-and intraoperative parameters, to predict the risk of perioperative complications after robot-assisted laparoscopic simple enucleation (RASE) of renal masses, and to evaluate the rate of trifecta achievement of this approach stratifying the cohort according to the use of ischemia during the enucleation.From April 2009 to June 2016, 129 patients underwent RASE at our Institution. We stratified the procedures in 2 groups: clamping and clamp-less RASE. After RASE, all specimens were retrospectively reviewed to assess the surface-intermediate-base (SIB) scoring system...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28465297/comprehensive-transcriptome-and-mutational-profiling-of-endemic-burkitt-lymphoma-reveals-ebv-type-specific-differences
#13
Yasin Kaymaz, Cliff I Oduor, Hongbo Yu, Juliana A Otieno, John Michael Ong'echa, Ann M Moormann, Jeffrey A Bailey
Endemic Burkitt lymphoma (eBL) is the most common pediatric cancer in malaria-endemic equatorial Africa and nearly always contains Epstein-Barr virus (EBV), unlike sporadic Burkitt lymphoma (sBL) that occurs with a lower incidence in developed countries. Given these differences and the variable clinical presentation and outcomes, we sought to further understand pathogenesis by investigating transcriptomes using RNA sequencing (RNAseq) from multiple primary eBL tumors compared with sBL tumors. Within eBL tumors, minimal expression differences were found based on: anatomical presentation site, in-hospital survival rates, and EBV genome type, suggesting that eBL tumors are homogeneous without marked subtypes...
May 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28464554/does-training-of-fellows-affect-peri-operative-outcomes-of-robot-assisted-partial-nephrectomy
#14
Zine-Eddine Khene, Benoit Peyronnet, Elise Bosquet, Benjamin Pradère, Corentin Robert, Tarek Fardoun, Solène-Florence Kammerer-Jacquet, Grégory Verhoest, Nathalie Rioux-Leclercq, Romain Mathieu, Karim Bensalah
OBJECTIVE: To evaluate the impact of fellows' involvement on the peri-operative outcomes of robot-assisted partial nephrectomy (RAPN). MATERIALS AND METHODS: We analysed 216 patients who underwent RAPN for a small renal tumour. We stratified our cohort into two groups according to the involvement of a fellow surgeon during the procedure: expert surgeon operating alone (expert group) and fellow operating under the supervision of the expert surgeon (fellow group)...
May 2, 2017: BJU International
https://www.readbyqxmd.com/read/28460449/laparoscopic-versus-open-radical-cystectomy-for-patients-with-bladder-cancer-over-75-year-old-a-prospective-randomized-controlled-trial
#15
Chen Yong, Chen Daihui, Zhou Bo
The aim of this study was to compare the morbidity, mortality, oncological results and quality of life between laparoscopic radical cystectomy (LRC) and open radical cystectomy (ORC) in the elderly patients over 75 years old. Between January 2012 and January 2015, 60 patients were recruited into this study, who were randomly assigned in a 1:1 ratio to either LRC or ORC group. Baseline patient characteristics, pathological factors, operative and postoperative characteristics, postoperative complications and survival data were retrospectively collected, analyzed and compared between the two groups...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28459423/multivariate-analysis-of-blood-transfusion-rates-after-shoulder-arthroplasty
#16
Joseph J King, Matthew R Patrick, Ryan E Schnetzer, Kevin W Farmer, Aimee M Struk, Cyndi Garvan, Thomas W Wright
A retrospective review was performed of all shoulder arthroplasties with patients grouped on the basis of transfusion protocol time period. Group 1 had transfusions if postoperative hematocrit was <30. Group 2 had transfusions based on symptomatic anemia. Bivariate analysis of transfusion factors and multivariate analysis of significant bivariate factors were performed. Protocol change decreased transfusion rates from 16% (group 1, 153 arthroplasties) to 8% (group 2, 149 arthroplasties). Reverse shoulder arthroplasty (RTSA) transfusion rate decreased dramatically (from 24% to 5%)...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28456736/endoscope-assisted-extreme-lateral-interbody-fusion-xlif-preliminary-experience-and-technical-note
#17
Claudio Schonauer, Martin Nikolaus Stienen, Oliver Pascal Gautschi, Karl Schaller, Enrico Tessitore
BACKGROUND: The XLIF technique is safe and effective. The deep and tight surgical corridor, however, makes visual identification of important landmark structures as well as sufficient endplate and contralateral preparation challenging. The present analysis aims to assess the safety and feasibility of endoscope-assisted (EA-) extreme lateral lumbar interbody fusion (XLIF) procedures. METHODS: Retrospective single-center study on consecutive patients undergoing XLIF procedures between 02/2014 and 07/2016...
April 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28449959/resource-utilization-in-adolescent-idiopathic-scoliosis-surgery-is-there-opportunity-for-standardization
#18
Baron S Lonner, Courtney S Toombs, Justin C Paul, Suken A Shah, Harry L Shufflebarger, John M Flynn, Peter O Newton
INTRODUCTION: Recent healthcare reforms have raised the importance of cost and value in the management of disease. Value is a function of benefit and cost. Understanding variability in resources utilized by individual surgeons to achieve similar outcomes may provide an opportunity for cutting costs though greater standardization. The purpose of this study is to evaluate differences in use of implants and hospital resources among surgeons performing adolescent idiopathic scoliosis (AIS) surgery...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28446329/state-of-the-art-nanofabrication-in-catalysis
#19
Waiz Karim, Simon A Tschupp, Juan Herranz, Thomas J Schmidt, Yasin Ekinci, Jeroen A van Bokhovenac
We present recent developments in top-down nanofabrication that have found application in catalysis research. To unravel the complexity of catalytic systems, the design and use of models with control of size, morphology, shape and inter-particle distances is a necessity. The study of well-defined and ordered nanoparticles on a support contributes to the understanding of complex phenomena that govern reactions in heterogeneous and electro-catalysis. We review the strengths and limitations of different nanolithography methods such as electron beam lithography (EBL), photolithography, extreme ultraviolet (EUV) lithography and colloidal lithography for the creation of such highly tunable catalytic model systems and their applications in catalysis...
April 26, 2017: Chimia
https://www.readbyqxmd.com/read/28440053/who-is-at-risk-of-death-from-nephrectomy-an-analysis-of-thirty-day-mortality-after-21-380-nephrectomies-in-3-years-of-the-british-association-of-urological-surgeons-baus-national-nephrectomy-audit
#20
Archie Fernando, Sarah Fowler, Mieke Van Hemelrijck, Tim O'Brien
OBJECTIVE: To ascertain contemporary overall and differential thirty-day mortality (TDM) rates after all types of nephrectomy in the UK, and to identify potential new risk factors for death. PATIENTS AND METHODS: We conducted a retrospective analysis of the 110 deaths that occurred within 30 days of surgery out of the total of 21 380 nephrectomies performed, and calculated the odds ratio (OR) and 95% confidence interval (CI) for TDM based on peri-operative characteristics...
April 24, 2017: BJU International
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