推荐回答(3个)
因为胃切除术对胃的影响较大,影响了胃的消化以及吸收功能,所以建议患者在胃切除术后的饮食方面考虑为多摄入一些含铁质以及容易消化的食物。
不要食用太干、太油腻或者太硬的食物,而且每次进食要定量,不能吃太多,否则会加重胃的负担,出现难以消化的情况。
胃切除太多可能影响术后进食和营养状态;切除太少,术后胃酸减少不够,易导致溃疡复发。按临床经验一般切除2/3~3/4为宜。

扩展资料:
吻合口太小易致狭窄,吻合口太大食物通过太快,易发生倾倒综合症。一般3厘米约二横指为宜,多余胃端可缝合关闭。胃空肠吻合口位于结肠前或结肠后,可按术者习惯,只要操作正确,不会引起并发症。
因空肠近端粘膜抗酸能力相对比远端强,为了避免发生吻合口溃疡,原则上近端空肠越短越好。结肠前术式以15~20厘米为宜。结肠后术式一般要求近端空肠6~8厘米以内。
参考资料来源:百度百科——胃大部切除术
胃有代偿作用影响不是很大以后吃饭每次吃少一点多吃几顿就行了毕竟胃容量小了平时要注意少量多餐不能吃太饱;而胃本来就是消化食物的这样消化功能就要有所下降不过如果自己调理好的话合理饮食、注意睡眠质量、适当做些运动一般会恢复得很好.
胃切除后对人体的影响
饮食影响:术后短期(三月内)进食量少,以软质、易消化食物为主。重点是量小(尤其术后1月),不限种类。有患者家属术后一直给患者喝粥,没有营养进食,患者体重下降明显。重点是细嚼慢咽,小口少量。患者一般三月后(胃部分切除)、半年后(全胃切除),基本恢复到每日三餐。
缺铁性贫血:患者胃切除后,影响了人体对铁的吸收,因为饮食中铁元素为三价铁,而人体造血细胞所需的二价铁,因此少部分患者需要口服铁剂。
反流性食管炎:少部分全胃切除患者会有,胆汁反流进入食管,损伤食管粘膜。患者会有胸骨后烧灼感。建议患者进食后不要平躺,适当活动;口食管粘膜保护剂,如铝碳酸镁制剂、洁维乐等;或饮水做下咽动作,随着疾病的恢复会逐渐好转。
倾倒综合征:由于术后胃容量变小,使食物在胃内存留的时间短,迅速地送到肠内。肠管为了尽快地将这大量食物加以消化吸收,就要大量分泌消化液。特别是作为主食的碳水化合物在肠道内可很快被吸收。在短时间内吸收大量的碳水化合物,机体就会出现血糖升高的现象,这就是早期倾倒综合征发生的机制,病人表现为食后30分钟以内可有出汗、心慌、恶心、麻木、脸面发红、全身倦怠感、腹痛等症状。还有的病人则表现为饭后2-3个小时才出现冷汗、头晕、意识障碍等,这是晚期倾倒综合征的特点。其机制是血糖升高后,机体又会反应性地大量分泌胰岛素,继而又引起血糖值急剧降低的结果。预防措施:少量多次,每次进食量少,如有类似症状,减少糖类进食。
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