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Carbon dioxide for gut distension during digestive endoscopy:Technique and practice survey

World Journal of Gastroenterology 2009年第12期15卷 1475-1479页

作者： Filip Janssens Jacques Deviere Pierre Eisendrath Jean-Marc Dumonceau Division of Gastroenterology and Hepatology Geneva University HospitalsMicheli-du-Crest street241205 GenevaSwitzerland Medical-Surgical Department of Gastroenterology and Hepato-Pancreatology Erasme HospitalUniversité Libre de BruxellesBrusselsBelgium

AIM:To assess the adoption of Carbon dioxide(CO2)insufflation by endoscopists from various European countries,and its ***:A survey was distributed to 580 endoscopists attending a live course on digestive ***:The response rate was 24.5%.Fewer than half the respondents(66/142,46.5%)were aware of the fact that room air can be replaced by CO2 for gut distension during endoscopy,and 4.2%of respondents were actually using CO2 as the insufflation *** aware of the possibility of CO2 insufflation mentioned technical difficulties in implementing the system and the absence of significant advantages of CO2 in comparison with room air as barriers to adoption in daily practice(84%and 49%of answers,respectively;two answers were permitted for this item).CONCLUSION:Based on this survey,adoption of CO2 insufflation during endoscopy seems to remain relatively exceptional.A majority of endoscopists were not aware of this possibility,while others were not aware of recent technical developments that facilitate CO2 implementation in an endoscopy suite.

关键词： Colonoscopy practice survey Carbondioxide Digestive endoscopy

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Statewide GNSS-RTN Systems: Current practices

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Journal of Geographic Information System 2023年第1期15卷 73-97页

作者： Sajid Raza Ahmed Al-Kaisy Western Transportation Institute Montana State University Bozeman USA Department of Civil Engineering Montana State University Bozeman USA

The applications of geospatial technologies and positioning data embrace every sphere of modern-day science and industry. With technological advancement, the demands for highly accurate positioning services in real-time led to the development of the Global Navigation Satellite System—Real-Time Network (GNSS-RTN). While there is numerous published information on the technical aspects of the GNSS-RTN technology, information on the best practices or guidelines in building, operating, and managing the GNSS-RTN networks is lacking in practice. To better understand the current practice in establishing and operating the GNSS-RTN systems, an online questionnaire survey was sent to the GNSS-RTN system owners/operators across the U.S. Additionally, a thorough review of available literature on business models and interviews with representatives of two major manufacturers/vendors of GNSS-RTN products and services were conducted. Study results revealed a great deal of inconsistency in current practices among states in the way the GNSS-RTN systems are built, operated, and managed. Aspects of the diversity in state practices involved the business models for the GNSS-RTN systems besides the technical attributes of the network and system products. The information gathered in this study is important in helping state agencies make informed decisions as they build, expand or manage their own GNSS-RTN systems.

关键词： Real-Time Network Geospatial Data practice survey Current practices Business Models Real-Time Correction

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