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    find Author "王桂芝" 3 results
    • Effects of Problem-Based Learning versus Lecture-Based Learning in Surgery Education in China: A Meta-Analysis

      Objective To systematically review the effects of problem-based learning (PBL) versus lecture-based learning (LBL) teaching models on students in surgery education in China. Methods Such databases as CNKI, WanFang Data and PubMed were electronically searched for literature on PBL versus LBL applied in surgery education in China up to June 30th, 2013. According to the inclusion and exclusion criteria, we screened literature, extracted data, and assessed the methodological quality of included studies. Then meta-analysis was performed using RevMan 5.2 software. Results Sixteen studies were included totally, all of which were low in quality. Compared with LBL, PBL was superior in surgery comprehensive scores (WMD=4.98, 95%CI 3.88 to 6.09, Plt;0.000 01), fundamental theoretical knowledge (WMD=3.09, 95%CI 0.81 to 5.38, P=0.008), clinical manipulation skills (WMD=4.70, 95%CI 2.69 to 6.71, Plt;0.000 01), and practical ability (WMD=2.13, 95%CI 1.11 to 3.15, Plt;0.000 1) with significant differences. Conclusion PBL teaching method is superior to LBL in surgery education.

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    • “杠桿松解”技術在股骨近端防旋髓內釘螺旋刀片取出困難時的應用

      目的 總結應用“杠桿松解”技術解決股骨近端防旋髓內釘(proximal femoral nail antirotation,PFNA)螺旋刀片取出困難的效果。方法 2015年10月—2020年10月,9例股骨轉子間和/或轉子下骨折PFNA內固定后,二次手術取出內固定物時發生螺旋刀片取出困難。男8例,女1例;年齡48~68歲,平均58歲。PNFA內固定術至該次取出手術時間15~23個月,平均19個月。取出內固定物原因:螺旋刀片向內穿透股骨頭2例、螺旋刀片退出激惹軟組織1例、患者要求取出6例。術中采用“杠桿松解”技術,通過上、下敲擊連接主釘的主釘打出器,使主釘上、下滑動帶動螺旋刀片松解,順利完整取出內固定物。結果 手術時間55~128 min,平均92 min;術中出血量70~150 mL,平均108 mL;術中無醫源性骨折、血管及神經損傷發生。術后切口均Ⅰ期愈合。9例患者均獲隨訪,隨訪時間4~9個月,平均6個月。X線片復查顯示內固定物均完整取出。末次隨訪時,髖關節功能 Harris 評分為 95~100 分,均獲優。未出現再骨折、創傷性關節炎、術區疼痛等并發癥。結論 PFNA螺旋刀片取出困難時可選擇“杠桿松解”技術,是一種簡單、有效的取出方法。

      Release date:2022-01-12 11:00 Export PDF Favorites Scan
    • 股骨近端防旋髓內釘內固定術后尾帽退出并發癥臨床報道

      目的總結股骨近端防旋髓內釘(proximal femoral nail antirotation,PFNA)內固定術后尾帽退出患者資料,為臨床醫生認識該并發癥提供參考。方法 回顧分析2018年1月—2020年5月6例股骨轉子間或轉子下骨折PFNA內固定術后發生尾帽退出患者臨床資料。男2例,女4例;年齡32~82歲,平均55歲。股骨轉子間骨折Evans-Jensen分型,ⅠB型1例,ⅡB型3例,股骨轉子下骨折Seinshemer分型,ⅡA型1例,Ⅴ型 1例;術中透視及術后首次X線片證實尾帽與主釘均鎖緊無間隙;尾帽與螺旋刀片靜態鎖定4例,動態鎖定2例。使用廣泛性焦慮量表(GAD-7)評分于內固定術后2周、初次發現尾帽退出后2周、末次隨訪時對患者焦慮程度進行評估。結果 6例患者均獲隨訪,隨訪時間10~24個月。骨折均愈合,愈合時間3~5個月。內固定術后2周GAD-7評分2~7分,平均4.8分,正常2例、輕度焦慮4例;初次發現尾帽退出后2周GAD-7評分4~12分,平均8.2分,正常1例、輕度焦慮3例、中度焦慮2例;末次隨訪時GAD-7評分0~4分,平均2.0分,均為正常。末次隨訪時尾帽退出高度為3.6~10.0 mm,平均6.77 mm;尾帽均部分留存于主釘內,無完全脫出者;行內固定物保留4例,內固定物取出治療2例。6例患者均未出現患髖部疼痛、髖關節功能障礙、內固定失效、骨折延遲愈合、再次骨折等并發癥;末次隨訪時髖關節功能Harris評分94~98分,均獲優。結論 尾帽退出是股骨轉子間或轉子下骨折PFNA內固定術后內固定物機械松動的罕見形式,當其發生時可加重患者焦慮程度,但不會造成嚴重危害,應根據具體情況選擇適當處理方法。

      Release date:2023-02-13 09:57 Export PDF Favorites Scan
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