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        Outcomes of epidural steroids following percutaneous transforaminal endoscopic discectomy: a meta-analysis and systematic review

        Yinghao Song,Changxi Li,Jingjing Guan,Cheng Li,Haisheng Wu,Xinzhi Cheng,Bingyu Ling,Jinglang Zhang 대한통증학회 2022 The Korean Journal of Pain Vol.35 No.1

        Background: Percutaneous transforaminal endoscopic discectomy (PTED) has been widely used in the treatment of lumbar degenerative diseases. Epidural injection of steroids can reduce the incidence and duration of postoperative pain in a short period of time. Although steroids are widely believed to reduce the effect of surgical trauma, the observation indicators are not uniform, especially the long-term effects, so the problem remains controversial. Therefore, the purpose of this paper was to evaluate the efficacy of epidural steroids following PTED. Methods: We searched PubMed, Embase, and the Cochrane Database from 1980 to June 2021 to identify randomized and non-randomized controlled trials comparing epidural steroids and saline alone following PTED. The primary outcomes included postoperative pain at least 6 months as assessed using a visual analogue scale (VAS) and the Oswestry Disability Index (ODI). The secondary outcomes included length of hospital stay and the time of return to work. Results: A total of 451 patients were included in three randomized and two nonrandomized controlled trials. The primary outcomes, including VAS and ODI scores, did not differ significantly between epidural steroids following PTED and saline alone. There were no significant intergroup differences in length of hospital stay. Epidural steroids were shown to be superior in terms of the time to return to work (P < 0.001). Conclusions: Intraoperative epidural steroids did not provide significant benefits, leg pain control, improvement in ODI scores, and length of stay in the hospital, but it can enable the patient to return to work faster.

      • A Comparative Study on Bilingual Language Policy in Quebec and in Yanbian Korean Autonomous Prefecture

        Zhang Jinghua(Jinghua Zhang),Li Yinghao(Yinghao Li) 한국캐나다학회 2007 Asia-Pacific Journal of Canadian Studies (APJCS) Vol.13 No.1

        The linguistic reality in any multi-ethnic countries has always the focal point for criticism, namely, the monopoly of the majority language, in many cases the economically and politically privileged language, is claimed to undermine the vitality of the minority languages, in particular in the countries that practice assimilatory language policy. The language policy advocated by the Canadian government in general and the Quebecker government in particular, though the latter is rather radical, is worth being studied and compared with that in countries with the similar linguistic dilemma. By comparing the language policy and the bilingualism in the Yanbian Korean Autonomous Prefecture (Hereinafter the YKAP) of China and in Quebec of Canada, the authors find that the language policy system in the YKAP implicitly shuns the diction of “bilingualism” or “bilingual”, though endowed the minority language with sufficient freedom for social use and development. The demographic survey of the language use and language education indicates that the societal bilingualism is barely the linguistic reality in the YKAP. The bilingual use and education generally confines themselves in the Korean ethnic community with decreasing number of bilingual users inside it and increasing number outside it, the totally different story other than Quebec of Canada. The authors also find the different government intervention in formulating bilingual legal framework and building the societal bilingualism toward the equal use of the majority and minority language. The segregational education program and the immersion program are representative of the political environment and discourse in the YKAP and Quebec.

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