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围手术期应用肠内营养及抗生素对食管癌患者术后肠道菌群的影响 被引量:7

Effects of peri-operative enteral nutrition and antibiotics on intestinal flora in patients with esophageal carcinoma
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摘要 目的通过测定食管癌术后患者部分肠道菌群的数量,反映不同抗生紊及肠内、肠外营养应用方案对肠道菌群平衡的影响。方法采用随机数字表法将60例食管癌患者随机分成6组,每组患者在围手术期分别接受6种不同的抗生素及肠内外营养干预方案:抗生素应用3d±术前、术后肠内营养(B组);抗生素应用3d±术前肠外营养、术后肠内营养(C组);抗生素应用3d±术前、术后肠外营养(D组);抗生素应用7d±术前、术后肠内营养(E组);抗生素应用7d±术前肠外营养、术后肠内营养(F组);抗生素应用7d±术前、术后肠外营养(G组)。采用光冈菌群测定法检测患者术后第1次粪便中拟杆菌、双歧杆菌、乳酸杆菌、肠杆菌及肠球菌数量。以健康成年人作为对照组,比较各组菌群数量及双歧杆菌与肠杆菌比值(B/E值)的差异,并观察术后1个月内患者的并发症发生率。结果B组双歧杆菌[(10.59±0.39)比(10.88±0.10)lg10^n/ml,P=0.186]、乳酸杆菌[(8.59±0.31)比(8.72±0.22)lg10^n/ml,P=0.534]、肠杆菌[(8.43±0.50)比(8.67±0.24)lg10^n/ml,P=0.266]、肠球菌[(7.40±0.61)比(7.78±0.16)lg10^n/ml,P=0.111]及B/E值[(1.2589±0.0644)比(1.2560±0.0330),P=0.825]与对照组的差异均无统计学意义。C、D、E、F、G组的拟杆菌[(11.08±0.48),P=0.139;(9.23±0.42),P=0.000;(10.80±0.26),p=0.004;(10.24±0.45),P=0.000;(8.05±0.53),P=0.000比(11。36±0.48)lg10^n/ml]、双歧杆菌[(10。19±0.49),P=0.062;(9.00±0.52),P=0.000;(9.31±0.45),P=0.000;(8.47±0.56),P=0.000;(6.99±0.56),P=0.000比(10.59±0.39)lg10^n/m1]、乳酸杆菌[(7.99±0.58),P=0.006;(6.84±0.47),P=0.000;(7.72±0.35),P=0.000;(6.93±0.43),P=0.000;(5.93±0.76),P=0.000比(8.59±0.31)lg10^n/m1]、肠杆菌[(8.19±0.43),P:0.258;(7.93±0.60),P=0.020;(7.47±0.43),P=0.000;(6.90±0.42),P=0.000;(6.58±0.57),P=0.000比(8.43±0.50)lg10^n/m1]、肠球菌[(6.90±0.54),P=0.037;(5.894-0.68),P=0.000;(6.20±0.52),P=0.000;(5.91±0.39),P=0.000;(5.14±0.58),P=0.000比(7.40±0.61)lg10^n/m1]数量较B组均减少。D及G组B/E值较对照组显著降低(1.1433±0.1350,P=0.025;1.0706±0.1413,P=0.01)0比1.2560±0.0330)。各组肺部感染(χ2=3.647,P=0.601)及吻合I:1瘘发生率(χ2=5.000,P=0.416)的差异均无统计学意义。结论术前3d及术后积极应用肠内营养有益于肠道微生态平衡;术后长时间应用抗生素易造成菌群失调。 Objective To investigate the effects of peri-operative enteral nutrition (EN) and antibiotics onintestinal flora balance in patients with esophageal carcinoma. Methods Sixty patients were randomly divided into six groups : Group B, treated with antibiotics for 3 days and supported with EN before and after operation; Group C, treated with antibiotics for 3 days and supported with parenteral nutrition (PN) before operation and EN after operation ; Group D, treated with antibiotics for 3 days and supported with PN before and after operation; Group E, treated with antibiotics for 7 days and supported with EN before and after operation ; Group F, treated with antibiot- ics for 7 days and supported with PN before operation and EN after operation; and Group G, treated with antibiotics for 7 days and supported with PN before and after operation. The first stool after surgery was obtained and tested for Bacteroides, Bifidobacterium, Lactobacillus, Escherichia coli, and Enterococcus. Ten healthy adults were enrolled as the blank control group. The numbers of the flora and ratio of Bifidobacteria to Enterococci (B/E) were compared. Complications such as incision infections, lung infections, and anastomotic fistula were recorded. ResultsThe numbers of Bifidobacterium [ ( 10. 59 ± 0. 39 ) vs. ( 10. 88 ± 0. 10 ) lg10^n/ml, P = 0. 186 ), LactobaciUus [(8.59±0.31) vs. (8.72 ±0.22) lg10^n/ml, P=0.534], Escherichia coli [(8.43 ±0.50) vs. (8.67 ± 0.24) lgl0n/ml, P=0.266], Enterococcus [(7.40 ±0.61) vs. (7.78±0.16) lg10^n/ml, P=0.111], and B/E value [ ( 1. 2589 ±0. 0644) vs. ( 1. 2560 ±0. 0330), P =0. 8251 in the Group B were not significantly dif- ferent from the blank control group. The numbers ofBacteroids [ ( 11.08 ±0. 48), P =0. 139; (9.23 ±0. 42), P = 0.000; (10.80±0.26), P=0.004; (10.24±0.45), P=0.000; (8.05 ±0.53), P=0. 000vs. (11.36± 0.48) lg10^n/ml], Bifidobacterium [(10.19 ±0.49), P=0.062; (9.00 ±0.52), P=0.000; (9.31 ± 0.45), P=0. 000; (8.47±0.56), P=0. 000; (6.99±0.56), P=0.0OOvs. (10.59±0.39) lg10^n/ml], Lactobacillus [ (7.99 ±0.58), P=0.006; (6.84 ±0.47), P=0.000; (7.72±0.35), P=0.000; (6.93± 0.43), P=0.000; (5.93 ±0.76), P =0.000 vs. (8.59 -±0. 31) lg10^n/ml], Escherichia coli [ (8. 19 ±0.43), P=0.258; (7.93 ±0.60), P=0.020; (7.47 ±0.43), P=0.000; (6.90 ±0.42), P=0.000; (6.58 ±0.57), P = 0. 000 vs. (8.43 ± 0. 50) lg10^n/ml ], and Enterococcus [ ( 6.90 ± 0. 54), P = 0. 037 ; ( 5.89 ± 0. 68 ), P = 0.000; (6.20±0.52), P=0.000; (5.91 ±0.39), P=0.000; (5.14 ±0.58), P=0.000 vs. (7.40± 0. 61 ) lg10^n/ml] of groups C, D, E, F, and G decreased compared with those of the Group B. The values of B/E in the D and G groups decreased significantly when compared to the blank control group (1. 1433 ± 0. 1350, P = 0. 025 ; 1. 0706 ± 0. 1413, P = 0. 000 vs. 1. 2560± 0. 0330 ). The incidences of pulmonary infections (χ2 = 3. 647, P =0. 601 ) and anastomotic leak (χ2 =5. 000, P =0. 416) among all groups were not significantly differ- ent. Conclusions EN applied 3 days before surgery and after surgery is beneficial for maintaining the balance of intestinal flora. Long-term administration of antibiotics may cause dysbacteriosis and even increase complications.
出处 《中华临床营养杂志》 CAS 2012年第5期296-301,共6页 Chinese Journal of Clinical Nutrition
基金 山东省教育厅课题(鲁教科学[2008]3号)
关键词 肠内营养 抗生素 肠道菌群 定植抗力 食管癌 Enteral nutrition Antibiotics Intestinal flora Colonization resistance Esophageal carcinoma
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