| Visual symptoms and G-induced loss of consciousness in 594 Chinese Air Force aircrew--a questionnaire survey. | |
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MedLine Citation:
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PMID: 22360061 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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A questionnaire survey was performed for the first time to assess the prevalence of visual symptoms and G-induced loss of consciousness (G-LOC) due to +Gz exposure in the Chinese Air Force (CAF) to determine the effectiveness of current G tolerance training. Responses were received from 594 individuals. Among them, 302 reported at least one episode of some sort of symptoms related to +Gz, including 110 (18.5%) with visual blurring, 231 (38.9%) with greyout, 111 (18.7%) with blackout, and 49 (8.2%) with G-LOC. Incidences were most common in aircrew with 250-1,000 flying hours (53.6%) and were more prevalent in those with fewer on type flying hours (p < 0.001). The most common situation was reported between +5 and 5.9 Gz. The results indicate a fairly high prevalence of visual symptoms and G-LOC among Chinese Air Force aircrew. There remains considerable scope for +Gz education, particularly in the early centrifuge training and selection of rational physical exercises. |
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Authors:
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Xin-Sheng Cao; Yong-Chun Wang; Li Xu; Chang-Bing Yang; Bing Wang; Jie Geng; Yuan Gao; Yan-Hong Wu; Xiao-Ying Wang; Shu Zhang; Xi-Qing Sun |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Military medicine Volume: 177 ISSN: 0026-4075 ISO Abbreviation: Mil Med Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-02-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2984771R Medline TA: Mil Med Country: United States |
Other Details:
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Languages: eng Pagination: 163-8 Citation Subset: IM |
Affiliation:
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The Key Laboratory of Aerospace Medicine, Chinese Ministry of Education, Xi'an 710032, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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