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Giuseppe Marulli, Giovanni Maria Comacchio, Marco Schiavon, Alessandro Rebusso, Marco Mammana, Davide Zampieri, Egle Perissinotto, Federico Rea
OBJECTIVES: Minimally invasive techniques seem to be promising alternatives to open approaches in the surgical treatment of early-stage thymoma, although there are controversies because of lack of data on long-term results. The aim of the study was to evaluate the surgical and oncological results after robotic thymectomy for early-stage thymoma compared to median sternotomy. METHODS: Between 1982 and 2017, 164 patients with early-stage thymoma (Masaoka I and II) were operated on by median sternotomy (108 patients) or the robotic approach (56 patients)...
March 13, 2018: European Journal of Cardio-thoracic Surgery
Olivier Barbier, Maelle Racle
Introduction: The current evolution of surgical practices is increasingly trending toward hyper-specialization. For military surgeons, their practice in France does not differ from their civilian counterparts. In contrast, in external operations, they have to deal with specific war injuries in austere conditions. They are also required to take care of local populations. Therefore, specific training is necessary, and the French Military Health Service Academy (Ecole du Val-de-Grâce) Paris has set up a specific training called Advanced Course for Deployment Surgery (ACDS) in 2007...
March 14, 2018: Military Medicine
Gaby Aphram, Laurent De Kerchove, Stefano Mastrobuoni, Emiliano Navarra, Silvia Solari, Saadallah Tamer, Jerome Baert, Alain Poncelet, Jean Rubay, Parla Astarci, Philippe Noirhomme, Gebrine El Khoury
OBJECTIVES: Mitral valve (MV) repair is the gold standard for treatment of degenerative mitral regurgitation. A variety of surgical techniques allow surgeons to achieve a high rate of MV repair even with MV diseases of other aetiologies. However, a certain number of repairs fail over time. The aim of this study was to review our single-centre experience of MV re-repair and analyse the mode of repair failure, re-repair safety and efficiency in relation to the initial aetiology. METHODS: Between 1997 and 2015, 91 patients underwent redo MV re-repair...
March 14, 2018: European Journal of Cardio-thoracic Surgery
Konstadinos Plestis, Oleg Orlov, Vishal N Shah, Joshua Wong, Matthew Thomas, Alon Aharon, Cinthia Orlov, Georgia Panagopoulos, Scott Goldman
OBJECTIVES: Minimally invasive aortic valve replacement (MIAVR) can be technically demanding and may lead to prolonged operative time. We evaluated the intraoperative and postoperative patient outcomes following implementation of 2 facilitating technologies (FT) in MIAVR: the Cor-Knot titanium fastener and Custodiol-histidine-tryptophan-ketoglutarate solution. METHODS: A total of 299 patients underwent MIAVR from 2008 to 2016; 172 (57.5%) patients were included in the FT group and 127 (42...
March 14, 2018: Interactive Cardiovascular and Thoracic Surgery
Christine Prouty, Shima Mohebbi, Qiong Zhang
Given the increasing vulnerability of communities to the negative impacts of untreated wastewater, resource recovery (RR) systems provide a paradigm shift away from a traditional approach of waste separation and treatment towards a productive recovery of water, energy and nutrients. The aim of this research is to understand the relationships between factors that influence the adoption and sustainability of wastewater-based RR systems to inform technology implementation strategies. The study presents a theory-informed, community-influenced system dynamics (SD) model to provide decision-makers with an adaptable tool that simulates system-level responses to the strategies that are developed for the coastal town of Placencia, Belize...
March 7, 2018: Water Research
Pu Liu, Chao Zhang, Jin-Qi Ma, Li-Yuan Zhang, Bo Yang, Xin-Yu Tang, Ling Huang, Xin-Tong Zhou, Kun Lu, Jia-Na Li
Cytokinin oxidase/dehydrogenases (CKXs) play a critical role in the irreversible degradation of cytokinins, thereby regulating plant growth and development. Brassica napus is one of the most widely cultivated oilseed crops worldwide. With the completion of whole-genome sequencing of B. napus , genome-wide identification and expression analysis of the BnCKX gene family has become technically feasible. In this study, we identified 23 BnCKX genes and analyzed their phylogenetic relationships, gene structures, conserved motifs, protein subcellular localizations, and other properties...
March 16, 2018: Genes
Jules Gellaerts, Evgeny Bogdanov, Farzin Dadashi, Benoit Mariani
Ski Mountaineering (SkiMo) is a fast growing sport requiring both endurance and technical skills. It involves different types of locomotion with and without the skis. The aim of this study is to develop and validate in the snowfield a novel inertial-based system for analysing cycle parameters and classifying movement in SkiMo in real-time. The study was divided into two parts, one focused on real-time parameters estimation (cadence, distance from strides, stride duration, stride length, number of strides, slope gradient, and power) and, second, on transition detection (kickturns, skin on, skin off, ski on and off backpack) in order to classify between the different types of locomotion...
March 16, 2018: Sensors
Nick Zwart, Shan Li Nio, Corine J Houtman, Jacob De Boer, Jeroen Kool, Timo Hamers, Marja H Lamoree
Effect-Directed Analysis (EDA) is a commonly used approach for effect-based identification of endocrine disruptive chemicals in complex (environmental) mixtures. For routine toxicity assessment of e.g. water samples however, current EDA approaches are considered time consuming and laborious. We achieved faster EDA and identification, by downscaling of sensitive cell-based hormone reporter gene assays and increasing fractionation resolution to allow testing of smaller fractions with reduced complexity. The high-resolution EDA approach is demonstrated by analysis of four environmental passive sampler extracts...
March 16, 2018: Environmental Science & Technology
Dilip Panikar
No abstract text is available yet for this article.
March 2018: Neurology India
Nishant Patel, Jeffrey Forris Beecham Chick, Joseph J Gemmete, Jordan C Castle, Narasimham Dasika, Wael E Saad, Ravi N Srinivasa
OBJECTIVE: The objective of our study was to report the technique, complications, and clinical outcomes of interventional radiology-operated cholecystoscopy with stone removal for the management of symptomatic cholelithiasis. MATERIALS AND METHODS: Ten (77%) men and three (23%) women (mean age, 65 years) with symptomatic cholelithiasis underwent cholecystostomy followed by interventional radiology-operated cholecystoscopy with stone removal. Major comorbidities precluding cholecystectomy included prior cardiac, pulmonary, or abdominal surgery; cirrhosis; sepsis with hyponatremia; seizure disorder; developmental delay; and cholecystoduodenal fistula...
March 16, 2018: AJR. American Journal of Roentgenology
Guido Kobbe, Thomas Schroeder, Rainer Haas, Ulrich Germing
Allogeneic blood stem cell transplantation (aBSCT) still is the only curative therapy for patients with myelodysplastic syndromes. While it carries the hope for cure for some patients, it may result in severe toxicity and death from complications or recurrent disease in others. Recent developments have improved patient and donor selection as well as technical aspects of the transplant procedure and post-transplant care, including early detection and treatment of relapse. Areas covered: This review will discuss current stratification tools to identify suitable patients, donors and transplant techniques...
March 16, 2018: Expert Review of Hematology
Andrés Retamal C, Giancarlo Schiappacasse F, Lizbet Pérez M, Pablo Alvayay Q, Isabel Schild W
Pediatric cancer is the second cause of death in children older than 5 years in our country, after trauma. Positron emission tomography/computed tomography (PET/CT) is a hybrid technique that involves radiation, which has been used for some time in adults and is being progressively imple mented in children. This technique allows morphological and functional assessments of the body with applications in neoplastic and non-neoplastic pathology. Its main role in oncology is in the evaluation and control of lymphomas, sarcomas and neuroblastomas, among others...
December 2017: Revista Chilena de Pediatría
Ying Hu, Zhonghai Fang, Yichen Yang, Ting Fan, Ju Wang
Nicotine dependence is the primary addictive stage of cigarette smoking. Although a lot of studies have been performed to explore the molecular mechanism underlying nicotine dependence, our understanding on this disorder is still far from complete. Over the past decades, an increasing number of candidate genes involved in nicotine dependence have been identified by different technical approaches, including the genetic association analysis. In this study, we performed a comprehensive collection of candidate genes reported to be genetically associated with nicotine dependence...
March 16, 2018: Journal of Biomolecular Structure & Dynamics
Alexandros Mallios, William Jennings, Benoit Boura, Alessandro Costanzo, Myriam Combes
Skin necrosis overlying an arteriovenous fistula at the cannulation site is a common and potentially life-threatening problem, often associated with underlying aneurysm formation. Arteriovenous fistula-skin necrosis generally requires resection of surrounding skin margins and the underlying aneurysmal vessel wall, allowing repair with healthy tissue of the arteriovenous fistula in addition to closure of soft tissue and skin. In patients with insufficient fistula length, salvage of these arteriovenous fistulas may result in difficult or insurmountable cannulation issues leading to attempts at one-needle cannulation dialysis or, most often, catheter placement...
March 1, 2018: Journal of Vascular Access
Alicia Algeciras-Schimnich
The post-operative management of patients with differentiated thyroid carcinoma (DTC) relies on serial measurements of serum thyroglobulin. Current methodologies for thyroglobulin quantitation vary in their analytical and clinical performance. For years, thyroglobulin radioimmunoassays (RIA) and immunometric assays (IMA) have been used despite analytical interferences from anti-thyroglobulin autoantibodies (TgAb) as well as heterophile antibodies (HAb). TgAb interference limits Tg utility as a tumor marker in ∼30% of TgAb-positive patients...
March 16, 2018: Critical Reviews in Clinical Laboratory Sciences
Maxim Yu Rykov, Sergei V Zaborovskij, Alexander N Shvecov, Vladimir V Shukin
PURPOSE: To review our experience with peripherally inserted central catheters in pediatric cancer patients. METHODS: The analysis included 353 patients (3 months up to 17 years, mean age 11.2 years) with a variety of cancers diseases, which in 2011-2016, 354 peripherally inserted central catheters were placed. All settings are carried out using ultrasound guidance. In 138 (39%) patients, external anatomical landmarks were used and in 216 (61%) intraoperative fluoroscopy...
March 1, 2018: Journal of Vascular Access
Andrea J Santamaría, Juan P Solano, Francisco D Benavides, James D Guest
Cell transplant-mediated tissue repair of the damaged spinal cord is being tested in several clinical trials. The current candidates are neural stem cells, stromal cells, and autologous Schwann cells (aSC). Due to their peripheral origin and limited penetration of astrocytic regions, aSC are transplanted intralesionally as compared to neural stem cells that are transplanted into intact spinal cord. Injections into either location can cause iatrogenic injury, and thus technical precision is important in the therapeutic risk-benefit equation...
2018: Methods in Molecular Biology
C Fielder Camm, Alexander Emery, Elizabeth Rose-Innes, Sergei Pavlitchouk, Nikant Sabharwal, Andrew D Kelion
BACKGROUND: Using myocardial perfusion scintigraphy (MPS), an increase in left ventricular (LV) volumes or a decrease in ejection fraction (EF) from rest to stress may be clinically important. The variation in these measures between the low-dose stress acquisition and high-dose rest acquisition in a one-day stress-rest protocol has not been established. We assessed the reproducibility of gated volumetric indices between stress and rest and the normal variation in ungated TID ratio for a one-day stress-rest99m Tc-tetrofosmin protocol...
March 15, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
Shawn Dason, Alvin C Goh
PURPOSE OF REVIEW: More than a century of development has led to contemporary urinary diversion. It is paramount that robotic intracorporeal diversions uphold the principles defined by open surgery. RECENT FINDINGS: In this review, we discuss the fundamental open surgical principles that have led to contemporary techniques of urinary diversion. We then outline the technical aspects of several recently described robotic intracorporeal urinary diversions in the context of these surgical principles...
March 15, 2018: Current Urology Reports
S Renshaw, I L Silva, A Hotouras, S D Wexner, J Murphy, C Bhan
The purpose of this study was to assess outcome measures and cost-effectiveness of robotic colorectal resections in adult patients with inflammatory bowel disease. The Cochrane Library, PubMed/Medline and Embase databases were reviewed, using the text "robotic(s)" AND ("inflammatory bowel disease" OR "Crohn's" OR "Ulcerative Colitis"). Two investigators screened abstracts for eligibility. All English language full-text articles were reviewed for specified outcomes. Data were presented in a summarised and aggregate form, since the lack of higher-level evidence studies precluded meta-analysis...
March 15, 2018: Techniques in Coloproctology
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