减重手术已广泛应用于重度肥胖患者，不仅可以显著减轻体重，而且还对肥胖相关的内分泌代谢紊乱产生有利影响。近来有证据显示，减重手术能够降低重度肥胖患者的整体死亡率。然而，也有一些患者出现了较严重的并发症，包括围手术期及长期随访的营养及内分泌代谢相关并发症，影响了手术效果。其中，多数并发症的病因为宏量及微量营养素摄入不足或不均衡。因此，应该在减重手术的围手术期设立常规营养巡诊机制，结合手术对营养代谢的可能影响，及时监测，早期给予预防性治疗以有效避免代谢并发症的发生，最终获得良好的临床结局。
Bariatric surgery has increasingly been applied for patients with severe obesity. By dramati- cally reducing body weight and producing favorable effects on disorders in endocrine metabolism, bariatric surgery has shown to be able to lower the overall mortality. However, this intervention involves a profound change in digestive physiology and may cause nutrition and endocrinal metabolism-related severe complications, which mainly result from the deficiency or unbalance of macronutrients and micronutrients. Therefore, it is necessary to establish a fixed management procedure which includes routine perioperative nutritional consultation, regular monitoring, and early preventive nutritional support, so as to prevent metabolic complications and achieve better outcomes."
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