1·Objective: To analyze the opportunity and method of operation in the patients with ingested gastrointestinal foreign bodies.
目的：探讨消化道异物手术的时机及手术方法。
2·CONCLUSION: Foreign plasmid DNA, administered via the gastrointestinal tract, may widely modulate the expression of many genes in the intestine in mice.
结论：外源质粒dna通过胃肠道途径可广泛调控肠道多种基因表达。
3·To study the influence of foreign plasmid DNA on spleen metabolism in immune-stimulated mice via the gastrointestinal tract.
研究外源质粒dna经胃肠道途径对免疫激活状态下小鼠脾脏代谢的影响。
4·Methods:To study 48 cases who suffered from foreign body in upper gastrointestinal tract in our hospital from 2001 to 2006 retrospectively.
方法：回顾性研究我院2001~2006年上消化道异物48例的处理情况。结果：48例患者中，46例通过上述方法取得满意效果。