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非酒精性脂肪性肝病患者血清棕榈酸水平 被引量:3

Level of serum palmitic acid in patients with non-alcoholic fatty liver disease
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摘要 目的分析非酒精性脂肪性肝病(NAFLD)患者血清的中长链游离脂肪酸(FFAs)水平,为NAFLD的临床预防和治疗提供依据。方法选取2011年1至5月在河北省人民医院门诊就诊的高甘油三酯(TG)患者125例,依据肝脏B超诊断分为伴NAFLD者64例(HF组)和不伴NAFLD者61例(H组);另选择邯郸中心医院同期查体健康人员63名为健康对照组(N组)。采用气相色谱法测定血清中长链FFAs。比较3组患者的体重指数(BMI)、腹围、血压、空腹血糖(FBG)及血脂水平,包括TG、总胆固醇(TC)、高密度脂蛋白胆固醇(HDL—C)和低密度脂蛋白胆固醇(LDL—C)。结果H组与N组比较,BMI[(25.24±1.41)kg/m2比(24.32±1.12)kg/m2,P=0.004]、腹围[(84.72±1.34)cm比(77.33±0.89)cm,P=0.010]和舒张压[(77.35±1.21)mmHg比(75.21±1.61)mmHg,P=0.014]显著升高,血清TG[(2.86±0.55)mmol/L比(0.93±0.27)mmol/L,P=0.000]和TC水平[(4.56±0.66)mmol/L比(4.36±0.47)mmol/L,P=0.000]也显著升高;血清中肉豆蔻酸(C14:0)[(0.49±0.04)%比(0.36±0.01)%,P=0.011]、棕榈酸(C16:0)[(18.36±0.47)%比(15.97±0.30)%,P=0.000]、棕榈油酸(C16:1)[(1.00±0.12)%比(0.58±0.02)%,P=0.001]及油酸(C18:1)水平[(18.20±0.70)%比(12.23±0.37)%,P=0.000]均显著增高,而硬脂酸(C18:0)[(7.52±0.22)%比(8.15±0.28)%,P=0.012]、二十碳二烯酸(C20:2)[(0.61±0.07)%比(1.03±0.17)%,P=0.000]、二十碳三烯酸(C20:3)[(1.77±0.15)%与(2.49±0.18)%,P=0.002]及二十二碳六烯酸(C22:6)水平[(1.44±0.08)%比(1.67±0.09)%,P=0.014]均显著降低。HF组与H组比较,体重[(85.76±3.10)kg比(71.45±2.88)kg,P=0.003]、腹围[(96.30±2.05)cm比(84.72±1.34)cm,P=0.000]、收缩压[(117.12±1.15)mmHg比(113.23±1.25)mmHg,P=0.009]和舒张压[(79.54±1.42)mmHg比(77.35±1.21)mmHg,P=0.016]均显著升高,FBG、TG、TC、HDL-C和LDL—C差异均无统计学意义(P均〉0.05);血清中棕榈酸(C16:0)水平显著上升[(19.54±0.30)%比(18.36±0.47)%,P=0.000],二十碳二烯酸(C20:2)水平较N组降低但高于H组[(0.78±0.09)%比(1.03±0.17)%,(0.78±0.09)%比(0.61±0.07)%,P均=0.000]。结论血清中棕榈酸增加可能是NAFLD的重要危险因素,饮食中应减少饱和脂肪酸,增加不饱和脂肪酸,有助于防治NAFLD。 Objective To analyze the serum levels of medium- and long-chain free fatty acids (FFAs) in patients with hyperlipidemic non-alcoholic fatty liver disease (NAFLD) in order to shed some light on prevention and treatment of NAFLD. Methods The clinical data of 125 patients with high triglyceride (TG) levels who were treated in Hebei General Hospital from January 2011 to May 2011 were analyzed in this study.They were further divided into HF group (n = 64) and H group (n = 61 ) based on the presence of NAFLD or not. In addition, 63 healthy individuals were recruited from the Central Hospital of Handan during the same period as the control group (N group). Serum medium- and long-chain FFAs were detected by gas chromatography. The body mass index (BMI), abdominal circumference, blood pressure, fasting blood glucose (FBG), and serum lipids including TG, total cholesterol ( TC ), high-density lipoprotein cholesterol ( HDL-C ), and low-density lipoprotein cholesterol ( LDL-C ) were measured. Results Compared with the N group, the H group had significantly higher BMI [ (25. 24± 1.41) kg/m2 vs. (24. 32 ± 1.12) kg/m2, P =0. 004], abdominal circumference [ (84.72 ± 1.34) cm vs. (77.33 ±0. 89) cm, P =0. 010], and diastolic blood pressure [ (77.35 ±1.21) mmHgvs. (75.21 ±1.61) mmHg, P=0.014]; also, the serumTG [ (2. 86 ± 0. 55) mmol/L vs. (0. 93 ±0. 27) mmol/L, P =0. 000] and TC levels [ (4. 56 ±0.66) mmoL/L vs. (4. 36 ± 0.47) mmol/L, P=0.000], serum myristic acid (C14 : 0) [ (0.49 ±0.04)% vs. (0.36 ±0.01)%, P = 0. 011 ], palmitie aeid ( C16 : 0) [ ( 18.36 ± 0.47) % vs. ( 15.97 ±0. 30) %, P = 0. 000], palmitoleic acid (C16:1) [ (1.00±0.12)% vs. (0.58±0.02)%, P=0.001], and oleie acid (C18 : 1) [ (18.20± 0. 70)% vs. (12. 23 ±0. 37)%, P =0. 000] all significantly increased, while stearie acid (C18 : 0) [ (7.52 ± 0.22)% vs. (8. 15±0.28)%, P=0.012], eicosadienoicacid (C20:2) [ (0.61 ±0.07)% vs. (1.03± 0.17)%,P=0.000], eicosatrienoieacid(C20 ;3) [(1.77±0.15)% vs. (2.49±0.18)%,P=0.002], and doeosahexenoie acid ( C22 : 6) [ ( 1.44 ± 0. 08 ) % vs. ( 1.67 ± 0. 09 ) %, P = 0. 014 ] significantly decreased. Compared with the H group, the HF group had significantly higher weight [ (85.76 ± 3.10) kg vs. (71.45 ±2. 88) kg, P =0. 003], abdominal circumference [ (96. 30 ±2. 05) cm vs. (84. 72 ± 1.34) cm, P = O. 000 ], systolic blood pressure [ ( 117. 12 ± 1.15 ) mmHg vs. ( 113.23 ± 1.25 ) mmHg, P = 0. 009 ], and diastolic blood pressure [ (79. 54 ± 1.42) mmHg vs. (77.35 ± 1.21 ) mmHg, P =0. 016] , whereas the sreum FGB, TG, TC, HDL-C, and LDL-C showed no significant differentces; serum palmitic acid (C16 : 0) [ ( 19.54 ±0. 30)% vs. ( 18. 36 ±0.47)%, P =0. 000] also significantly increased. The serum level of eicosadienoic acid (C20 : 2) in HF group was between that in N group and H group [ (0. 78±0. 09)% vs. (1.03 ± 0.17)%, (0.78±0.09)% vs. (0.61 ±0.07)%, both P=0.000]. Conclusions The increased serum level of palmitic acid may be a risk factor for NAFLD. Reducing saturated fatty acids and increasing unsaturated acids in diets may be helpful for preventing NAFLD.
出处 《中华临床营养杂志》 CAS CSCD 2014年第2期92-96,共5页 Chinese Journal of Clinical Nutrition
关键词 高脂血症 非酒精性脂肪性肝病 游离脂肪酸 气相色谱 Hyperlipidemia Non-alcoholic fatty liver disease Free fatty acid Gas chromatography
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