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| 1 | Treatment strategies for colorectal carcinoma with synchronous liver metastases: Which way to go?显示文摘AIM: To offer an up-to-date review of all availabletreatment strategies for patients with synchronous colorectal liver metastases(CLM).METHODS: A comprehensive literature search was performed to identify articles related to the management of patients with synchronous CLM. A search of the electronic databases PubMed, MEDLINE, and Google Scholar was conducted in September 2014.The following search terms were used: synchronous colorectal liver metastases, surgery, stage Ⅳ colorectal cancer, liver-first approach, and up-front hepatectomy.These terms were employed in various combinations to maximize the search. Only articles written in English were included. Particular attention was devoted to studies and review articles that were published within the last six years(2009-2014). Additional searches of the cited references from primary articles were performed to further improve the review. The full texts of all relevant articles were accessed by two independent reviewers.RESULTS: Poor long-term outcomes of patients with synchronous CLM managed by a traditional treatment strategy have led to questions about the timing and sequence of possible therapeutic interventions. Thus,alternative paradigms called reverse strategies have been proposed. Presently, there are four treatment strategies available:(1) primary first approach(or traditional approach) comprises resection of the primary colorectal tumor followed by chemotherapy;subsequent liver resection is performed 3-6 mo after colorectal resection(provided that CLM are still resectable);(2) simultaneous resection of the primary colorectal tumor and CLM during a single operation presents intriguing options for a highly select group of patients, which can be associated with significant postoperative morbidity;(3) liver-first(or chemotherapy-first) approach comprises preoperative chemotherapy(3-6 cycles) followed by liver resection,adjuvant chemotherapy, and resection of the primary colorectal tumor(it is best suited for patients withasymptomatic primary tumors and initially unresectable or marginally resectable CLM); and(4) up-front hepatectomy(or 'true' liver-first approach) includes liver resection followed by adjuvant chemotherapy,colorectal resection, and adjuvant chemotherapy(strategy can be offered to patients with asymptomatic primary tumors and initially resectable CLM).CONCLUSION: None of the aforementioned strategies appears inferior. It is necessary to establish individual treatment plans in multidisciplinary team meetings through careful appraisal of all strategies. | Peter Ihnát Petr Vávra Pavel Zonca | 2015 | World Journal of Gastroenterology2015，21，22： | 10 |
| 2 | Single balloon enteroscopy for endoscopic retrograde cholangiography in patients with Roux-en-Y hepaticojejuno anastomosis显示文摘AIM:To evaluate single balloon enteroscopy in diagnostic and therapeutic endoscopic retrograde cholangiography(ERC)in patients with Roux-en-Y hepaticojejunoanastomosis(HJA).METHODS:The study took place from January 2009to December 2011 and we retrospectively assessed 15patients with Roux-en-Y HJA who had signs of biliary obstruction.In total,23 ERC procedures were performed in these patients and a single balloon videoen-teroscope(Olympus SIF Q 180)was used in all of the cases.A transparent overtube was drawn over the videoenteroscope and it freely moved on the working part of the enteroscope.Its distal end was equipped with a silicone balloon that was inflated by air from an external pump at a pressure of≤5.4 kPa.The technical limitations or rather the parameters of the single balloon enteroscope(working length-200 cm,diameter of the working channel-2.8 mm,absence of Albarran bridge)showed the need for special endoscopic instrumentation.RESULTS:Cannulation success was reached in diagnostic ERC in 12 of 15 patients.ERC findings were normal in 1 of 12 patients.ERC in the remaining 11 patients showed some pathological changes.One of these(cystic bile duct dilation)was subsequently resolved surgically.Endoscopic treatment was initialized in the remaining 10 patients(5 with HJA stenosis,2 with choledocholithiasis,and 3 with both).This treatment was successful in 9 of 10 patients.The endoscopic therapeutic procedures included:balloon dilatation of HJA stenosis-11 times(7 patients);choledocholitiasis extraction-five times(5 patients);biliary plastic stent placement-six times(4 patients);and removal of biliary stents placed by us-six times(4 patients).The mean time of performing a single ERC was 72 min.The longest procedure took 110 min and the shortest took34 min.This shows that it is necessary to allow for more time in individual procedures.Furthermore,these procedures require the presence of an anesthesiologist.We did not observe any complications in these 15 patients.CONCLUSION:This method is more demanding than standard endoscopic retrograde cholangiopancreatography due to altered postsurgical anatomy.However,it is effective,safe,and widens the possibilities of resolving biliary pathology. | Bohuslav Kianika Jan Lata Ivo Novotny Petr Dítě Jirí Vaníek | 2013 | World Journal of Gastroenterology2013，19，44： | 2 |
| 3 | Sensitivity analysis of parameters and contrasting performance of ground filtering algorithms with UAV photogrammetry-based and LiDAR point clouds显示文摘Most ground filtering algorithms are primarily designed for airborne LiDAR point cloud processing and their successful use in identifying ground points from photogrammetric point clouds remains questionable.We compared six ground filtering algorithms implemented in Metashape,ArcGIS,CloudCompare,LAStools,and PDAL.We used UAV photogrammetry-based(acquired under leaf-off conditions)and airborne LiDAR(leaf-on)point clouds of the same area to:(i)compare accuracy of generated DTMs;(ii)evaluate the effect of vegetation density and terrain slope on filtering accuracy;and(iii)assess which algorithm parameters have the greatest effect on the filtering accuracy.Our results show that the performance of filtering algorithms was affected by the point cloud type,terrain slope and vegetation cover.The results were generally better for LiDAR(RMSE 0.13–0.19 m)than for photogrammetric(RMSE 0.19–0.23 m)point clouds.The behavior in varying vegetation and terrain conditions was consistent for LiDAR point clouds.However,when applied on photogrammetric point clouds,the algorithms’behavior was inconsistent,especially in areas of steep slope(except for the Progressive Triangulated Irregular Network in LAStools).Parameters related to the selection of the initial minimum elevation ground points were the most influential in all algorithms and point clouds. | Petr Klápště Michal Fogl Vojtěch Barták Kateřina Gdulová Rudolf Urban Vítězslav Moudrý | 2020 | International Journal of Digital Earth2020，13，12： | 2 |
| 4 | Planar near-field to far-field transfomm-tion using an array of dipole probes显示文摘 | Petre P Sarkar T K | 1994 | IEEE Transactions on Antennas and Propagation1994，42，4： | 1 |
| 5 | Options for Control of Reactive Power by Distributed Photovoltaic Generators显示文摘 | Konstantin T Petr S Scott B | 2011 | Proceedings of the IEEE2011，99，6： | 1 |
| 6 | Planar near-field to far-field transfor- mation using an equivalent magnetic curt'cut approach 显示文摘 | Petre P Sarkar T K | 1992 | IEEE Transactions on Antennas and Propagation1992，40，11： | 1 |
| 7 | Volatile compounds in Iberian dry-cured loin显示文摘 | E Muriel T Antequera M.J Petrón A.I Andrés J Ruiz | 2004 | Meat Science2004，，3： | 1 |
| 8 | Implementing the multilayer retinal model on the complex-cell CNN-UM chip prototype显示文摘 | Bálya D Petrás I Roska T | 2004 | International Journal of Bifurcation and Chaos2004，14，2： | 1 |
| 9 | High-throuthput analysis of tetracycline antibiotics and their epimers in liquid manure using ultra performance liquid chromatography with UV detection显示文摘 | Tereza T Jana O Petr N Miroslav F | | 0，，： | 1 |
| 10 | Study of fungal degradation products of polycyclic aromatic hydrocarbons using gas chromatography with ion trap mass spectrometry detection 显示文摘 | Cajthaml T Moder M P Petr K | 2002 | Journal of Chromatography2002，974，： | 1 |
| 11 | Volatile compounds in iberian dry-cured loin显示文摘 | Muriel E Antequera T Petrón M J | 2004 | Meat Science2004，68，3： | 1 |
| 12 | The possibility of the use of MRI images in the three-dimensional external radiotherapy treatment planning显示文摘 | Major T Petrányi A Varjas G | 2002 | Magy Onkol2002，46，3： | 1 |
| 13 | Variceal bleeding in portal hypertension: bacterial infection and comparison of efficacy of intravenous and per-oral application of antibiotics – a randomized trial显示文摘 | Jan Lata Jana Juránková Libu?e Husová Michal ?enky?ík Petr Dítě Milan Dastych Veronika P?íbramská Radek Kroupa | 2005 | European Journal of Gastroenterology & Hepatology2005，，10： | 1 |
| 14 | Global conformational rearrangements in integrin extracellular domains in outside-in and inside-out signaling显示文摘 | TAKAGI J PETRE BM WALZ T | 2002 | Cell2002，110，5： | 1 |
| 15 | Growth and characterization of PhS deposited on ferroelectric ceramics 显示文摘 | P1NTILIE I PENTIA E PINTILIE L PETRE D CONSTANTIN C BOTILA T | 1995 | Journal of Applied Physics1995，78，： | 1 |
| 16 | Prolonged length of hospi- tal stay in Denmark after nephrectomy显示文摘 | Azawi N H Christensen T Petr AL | 2012 | Dan Med J2012，59，6： | 1 |
| 17 | Rapid monitoring of mono- and disaccharides in drinks, foodstuffs and foodstuff additives by capillary electrophoresis with contactless conductivity detection显示文摘 | PETR T KLARA M EVA S | 2011 | Analytica Chimica Acta2011，698，： | 1 |
| 18 | Industrial MAS for planning and control 显示文摘 | PAVEL T PETR S | 2002 | Lecture Notes in Computer Science2002，22，12： | 1 |
| 19 | Formation of an N- formylkynurenine-derived fluorophore and its use for measuring indoleamine 2,3-dioxygenase 1 activity 显示文摘 | Petr T Brian D P Jack U F | 2013 | Anal Bioanal Chem2013，405，8： | 1 |
| 20 | A diverse fungal community associated with Pseudorchis albida (Orchidaceae) roots显示文摘 | Petr Kohout Tamara Tě?itelová Melanie Roy Martin Vohník Jana Jersáková | 2013 | Fungal Ecology2013，，1： | 1 |
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