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免疫調整配方對加護病房患者營養狀況及免疫反應之影響

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免疫調整配方對加護病房患者營養狀況及免疫反應之影響

本實驗以加護病房中的重症患者為對象,研究免疫調節配方在加護病房常規使用的可行性,並探討 免疫調節配方對重症患者是否可改善營養狀況,調節免疫功能。實驗設計為經由腸道給予兩種免疫 調節配方( IMPACT-glutamine , Nu-Immune ),兩配方中均含有精胺酸( arginine )、魚油( o mega-3 fatty acid )、核 ? 酸( nucleotides )、麩醯胺( glutamine )等之均衡完整營養品,或一般 高蛋白質配方。以台大醫院一般外科加護病房中的患者 12 名,隨機分成 2 組,比較 2 組間及個案 使用腸道營養配方前後 per-albumin 、 albumin 、 CRP ( C-reactive protein )、 WBC ( white blood cell count )、 APACH II score ( Acute Physiology and Chronic Healthy Evaluation )、 SIRS ( syste mic inflammatory response syndrome )、 T-lymphocyte 等之差異性。結果顯示基本資料及腸道營養 介入前,男性為 6 人,女性為 6 人,性別、年齡、身高、體重、 APACH II score 、熱量需求、平均 攝取量、 Albumin 、 Pre-albumin 、 WBC 、 CRP 、 SIRS score 、 APACH II score 等兩組間無差異。

給予 7 日的腸道營養補充之後,兩組 APACH II score 、 SIRS score 明顯下降,營養指標 Albumin 、 Pre-albumin 則顯著上升。經由流式細胞儀的分析,輔助 T 細胞( CD4+ ),殺手 T 細胞( CD8 + ),給予管灌營養補充品灌食前及灌食之後或兩組間並無明顯差異性;但在灌食第 3 天,淋巴球 亞群中實驗組的 CD8 高於對照組及 CD4/CD8 ratio 實驗組低於對照組,且具有統計上的差異;其餘 CD4 、 CD3 、 CD19 、 CD11a/CD18 、 CD11b/CD18 在灌食前後或兩組間均無明顯差異。對照組 總攝取量明顯高於實驗組。本研究結果顯示,中度重症患者 (APACH II score 8~15) ,若即早給予腸 道營養可改善營養狀況,在使用含有精胺酸( arginine )、魚油( omega-3 fatty acid )、核 ? 酸

( nucleotides )、麩醯胺( glutamine )等之均衡完整免疫調整配方後,可改善疾病之嚴重程度。

重症患者腸胃道對一般高蛋白質配方的接受性高於免疫配方,使用免疫調整配方在改善營養狀況及 對細胞性及體液性免疫反應上與一般高蛋白質配方並無差異。

(2)

Effects of immune-modulating formula on nutritional status and immune response in ICU

patients

This study compared the effects of immune-modulating formula (Impact-glutamine

and Nu-Immune) and general high protein formula on the immunological response,

clinical outcome, and nutritional status in critically ill patients. The immune-modul

ating formula contains arginine 、 omega-3 fatty acid 、 nucleotides and glutamine

in addition to complete balanced nutrition. Twelve ICU patients with APACH II sc

ore > 8 were randomly assigned to control and experimental groups. Blood samples

were collected 1, 3, 7 d after enteral feeding started in all patients, and were analyz

ed for biochemical and immunologic parameters. The results showed that after ente

ral feeding for 7 days, APACH II and SIRS score reduced, while albumin and pre-a

lbumin increased no matter the patients were fed with immune-modulating or gener

al formula. The control group had higher energy intake than the experimental group

. Immune-modulating diet improved the severity of the diseases after feeding for 7

d. There were no differences in CD3, CD4, CD19, CD11a/CD18 and CD11b/CD18

before and after enteral feeding in both groups. These results suggest that enteral fe

eding improved nutritional status in ICU patients. Formula with specific nutrients s

upplementation reduced severity of the diseases. However, compared with the gene

ral high protein formula, immune-modulating diet had no favorable effects on imm

une response in critically ill patients.

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