不同类型胰岛素对老年糖尿病患者氧化应激的影响

目的探讨不同类型胰岛素联合阿卡波糖对老年2型糖尿病患者体内氧自由基代谢的影响。方法随机选取80例老年2型糖尿病患者分为2组:A组(甘精胰岛素联合阿卡波糖治疗组)、B组(诺和灵30R联合阿卡波糖治疗组);并选取40例体检健康者作为健康对照组。每组40例老年2型糖尿病患者,均接受为期4周的降糖治疗。并分别测定治疗前后患者空腹血糖(FPG)、餐后2 h血糖(2 h PG)、超氧化物歧化酶(SOD)、丙二醛(MDA)、谷胱甘肽过氧化物酶(GSH-PX)、8-异前列腺素(8-iso-PGF2a)、一氧化氮(NO)等。结果老年2型糖尿病患者的FPG、2 h PG、血清MDA、8-iso-PGF2a均较健康对照组增高,而血清GSH-PX、SOD、NO低于健康对照组,差异具有统计学意义(P<0.05),甘精胰岛素联合阿卡波糖治疗组较诺和灵30R联合阿卡波糖治疗组能明显地改善糖尿病患者体内的氧化应激状态,差异具有统计学意义(P<0.05)。结论联合应用甘精胰岛素和阿卡波糖治疗可以显著降低糖尿病患者体内氧化应激水平,提示该方案可有效降低氧自由基对靶器官的损伤,延缓糖尿病并发症的发生与发展。     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

高糖危象患者血清瘦素和氧化应激的关系

Objective To investigate the relationship between the levels of serum leptin and oxidative stress in patients with hyperglycemia crisis. Methods A total of 96 patients with diabetic ketoaeidosis (DKA) and nonketotic hyperglycemia (NKH) were treated on a low-dose insulin protocol using intravenous infusion of insulin with the established rate of 0.1U·kg-1·h-1,with the patients on intravenous fluids and receiving nutrition by mouth and vein. The levels of serum leptin, 8-iso-prostaglandin F2α (8-iso-PGF2α, the activities of superoxide dismutase (SOD), total antioxidant capacity (TAC) and the contents of malondialdehyde (MDA) in 96 patients with hyperglycemia crisis on admission and after insulin therapy with resolution of hyperglycemia and ketoacidosis (72 hours) were measured. Another 35 healthy individuals served as normal control. Results The activities of SOD, TAC and the levels of leptin before treatment were lower in patients with hyperglycemia crisis than in normal controls, and the levels of MDA and 8-iso-PGF2a were more markedly elevated than those in normal controls (all P<0. 05). The activities of SOD, TAC and the levels of leptin in patients after treatment were significantly higher than those in patients before treatment, and the levels of MDA and 8-iso-PGF2a. were significantly lower than those in patients on admission (all P<0. 05). There was significant positive correlation between leptin and MDA in patients before treatment (r=0. 38, P<0. 05), and the level of leptin was negatively correlated with MDA and 8-iso-PGF2a in patients after treatment (r1 = - 0. 35, r2= - 0. 37, both P < 0. 05). In stepwise regression analysis, MDA and 8-iso-PGF2α showed a significant association with leptin. Conclusion The levels of leptin are significantly lowered in patients with hyperglycemia crisis. Oxidative stress may participate in determining the leptin level in hyperglycemia crisis.     

GSH联合早期护理干预对新生儿黄疸的疗效分析

目的探讨还原型谷胱甘肽(GSH)联合早期护理干预对新生儿黄疸的治疗效果及对脂质过氧化指标血清丙二醛(MDA)、超氧化物歧化酶(SOD)和氧化型谷胱甘肽(GSH-PX)水平的影响。方法选取新生儿黄疸患儿68例,随机分为观察组(34例)和常规组(34)例。另选取同时期出生的健康足月新生儿20例为健康对照组。观察组在常规组基础上加用GSH治疗及早期护理干预。检测治疗前后血清总胆红素(TBIL)、直接胆红素(DBIL)、MDA、SOD、GSH-Px水平。结果观察组的治疗总有效率为91.2%,明显高于常规组(73.5%)(P0.05);治疗后,两组患儿血清TBIL、DBIL水平均较治疗前明显下降(均P0.01),且观察组治疗后TBIL、DBIL水平明显低于常规组(均P0.01)。治疗前,两组患儿血清MDA水平明显高于健康对照组(均P0.01),两组SOD、GSH-Px水平明显低于健康对照组(均P0.01);治疗后,两组患儿血清MDA水平明显下降(P0.01或0.05),而血清SOD、GSH-Px则明显升高(P0.01或0.05);与常规组比较,观察组血清MDA水平下降更明显(P0.05),GSH-Px水平明显增高(P0.05)。结论 GSH联合早期护理干预对新生儿黄疸具有较好的临床疗效,且能有效降低患儿血清TBIL、DBIL、MDA水平,提高SOD、GSH-Px水平,具有积极的临床意义。     

右美托咪定对减轻下肢手术患者止血带诱发肢体缺血—再灌注损伤的效果

目的探讨右美托咪定对减轻骨科下肢手术患者止血带导致缺血-再灌注损伤的效果。方法将该院骨科病房收治的62例需行下肢手术的患者按照随机数字表法分为右美托咪定组(n=24)、咪达唑仑组(n=23)及对照组(n=15)。所有患者均采用蛛网膜下腔阻滞联合硬膜外麻醉,右美托咪定组于穿刺后给予,负荷量1μg/kg,维持量0.5μg/(kg·h);咪达唑仑组于穿刺后给予,负荷量0.06mg/kg,维持量0.05μg/(kg·h)。对照组给予等量生理盐水。于使用止血带前(T0),松开止血带时(T1),松开止血带后30min(T2)时,采用酶联免疫吸附法(ELISA)检测血清羟自由基(OH)、超氧阴离子(O_2~-)、过氧化氢(H_2O_2)、丙二醛(MDA)、超氧化物歧化酶(SOD)水平。结果 3组患者血清各氧化应激相关指标在T0时差异无统计学意义(P0.05),右美托咪定组患者血清OH、O_2~-、H_2O_2、MDA水平在T1时低于咪达唑仑组和对照组,血清SOD水平在T2时高于咪达唑仑组和对照组(P0.05);右美托咪定组患者血清O_2~-、H_2O_2水平在T2时仍低于咪达唑仑组和对照组,SOD仍高于咪达唑仑组和对照组(P0.05);与T0时相比,3组患者血清OH、O_2~-、H_2O_2、MDA水平在T1时均升高,SOD均降低,咪达唑仑组和对照组血清OH、O_2~-、H_2O_2、MDA在T2时均升高,SOD均降低(P0.05);与T0时相比,右美托咪定组血清OH、H_2O_2、MDA水平在T2时明显升高(P0.05),但右美托咪定组血清O_2~-、SOD水平在T2时差异无统计学意义(P0.05)。结论右美托咪定可减轻骨科下肢手术患者使用止血带诱发的肢体缺血-再灌注损伤。     

葛根素对骨性关节炎模型兔的作用机制研究

目的探讨葛根素治疗对骨性关节炎模型兔的作用机制。方法将60只新西兰兔随机分为正常组、模型组、葛根素治疗组,每组20只。正常组不做任何处理,模型组制作膝关节骨性关节炎模型,葛根素治疗组于建模后2周开始用葛根素注射液治疗。在治疗后第6、10周检测各研究组血清和关节液一氧化氮(NO)、诱导型一氧化氮合酶(iNOs)、超氧化物歧化酶(SOD)、丙二醛(MDA)水平。结果第6周时,模型组关节滑液和血清NO、iNOS、MDA水平较正常组显著升高,SOD水平显著降低(P0.05);葛根素治疗组NO、iNOS和SOD水平变化不明显(P0.05),MDA水平显著升高(P0.05)。第10周时,与正常组相比,模型组、葛根素治疗组关节滑液和血清NO、iNOS和MDA水平显著升高,SOD水平显著降低(P0.05)。结论葛根素通过改变血液和关节膜液NO、iNOS、SOD、MDA水平,对骨性关节炎起保护作用。     

齐拉西酮和利培酮对精神分裂症患者的疗效及其瘦素、脂联素水平的变化

目的观察齐拉西酮与利培酮对精神分裂症患者治疗效果及其瘦素、脂联素水平的变化。方法将80例精神分裂症患者随机分为齐拉西酮组与利培酮组,共治疗8周,于基线、治疗后4、8周分别对患者行阳性和阴性症状量表(PANSS)评分、体质量指数、瘦素、脂联素行测定,试验结束后对结果进行统计分析。结果两组治疗后4、8周评分与基线评分比较显著下降,差异有统计学意义(P0.05)。利培酮组治疗后体质量指数、瘦素水平增加明显,脂联素水平明显下降,与治疗前基线比较差异有统计学意义(P0.05)。结论齐拉西酮与利培酮治疗精神分裂症疗效相当。齐拉西酮对精神分裂症患者的体质量、瘦素水平及脂联素水平无明显影响,利培酮则影响明显,长期服用需注意其不良反应。     

肿节风水提物抗放射诱导氧化损伤的临床观察

目的观察肿节风水提物抗氧化损伤的临床疗效。方法选择Ⅲ和Ⅳa期鼻咽癌（NPC）患者46例随机分为对照组和研究组，其中对照组25例，研究组21例。所有患者均采用放化综合治疗的方法，研究组配合单剂中药肿节风水提物20g／d口服。分,NN定治疗前后血浆总超氧化物歧化酶（SOD）活力和丙二醛（MDA）含量，并观察2组治疗后肿瘤消退情况和急性放化疗副反应。结果所有患者均完成治疗后与治疗前比较，对照组血浆总SOD活力降低，血浆MDA含量升高；而研究组二者均降低，治疗后研究组血浆总SOD活力高于对照组，MDA含量显著低于对照组，差异均有统计学意义（P〈0．05）。放疗后两组肿瘤局部控制率无差异（P〉0．05）。研究组的急性放化疗副反应出现的频率和严重度均低于对照组，差异有统计学意义（P〈0．05）。结论肿节风水提物有抗氧化损伤的作用，与放化疗结合治疗可使Ⅲ和Ⅳa期NPC肿瘤消退满意，对放化疗所致的副反应有一定消除作用。     

尼莫地平对新生儿缺氧缺血性脑病治疗作用的研究

目的　探讨尼莫地平对ＨＩＥ新生儿脑组织的保护作用。方法　确诊的ＨＩＥ 新生儿经尼莫地平治疗前后各取静脉血一次,其中血浆用于ＮＯ、ＭＤＡ、ＯＳＤ 及ＮＳＥ 水平的测定,红细胞用于钙离子浓度的测定。结果　血浆ＮＯ（ 前３２３０８ ±１２３５２ ,后１６３７０ ±８９５８） 、ＭＤＡ（ 前１８５９ ±９０６ ,后８１０ ±３９８） 和ＮＳＥ（ 前３０７１ ±１５１０ ,后７４９ ±４０７） 水平及红细胞内钙离子浓度（ 前５１７ ±１６６ ,后３４５ ±１５２） 在ＨＩＥ新生儿经尼莫地平治疗后较治疗前均有明显降低（ Ｐ 均＜ ００５） ;而血浆ＳＯＤ 活力（ 前６２８５ ±１５８７ ,后６７９３ ±２８０４） 的改变不明显（ Ｐ＞ ００５） 。结论　尼莫地平对ＨＩＥ新生儿脑组织具有保护作用。     

兰索拉唑对胃溃疡患者血浆MDA、SOD、NO及ET-1表达的影响

目的观察兰索拉唑对胃溃疡患者血浆多种因子表达的影响。方法将185例胃溃疡患者随机分成奥美拉唑组(90例)和兰索拉唑组(95例),另外选择同期健康体检人员90例作为对照组。观察对照组及胃溃疡患者治疗前和治疗4周后血浆丙二醛(MDA)、超氧化物歧化酶(SOD)、一氧化氮(NO)及内皮素-1(ET-1)水平。结果治疗前奥美拉唑与兰索拉唑两组患者血浆MDA、SOD、NO及ET-1水平无统计学差异(P0.05);与健康对照组比较,两组患者SOD与NO水平均明显降低,而MDA与ET-1水平则显著升高(P均0.01)。治疗4个疗程后兰索拉唑组与健康对照组血浆MDA及ET-1水平明显低于奥美拉唑组,而SOD及NO水平则显著高于奥美拉唑组(P均0.05)。结论兰索拉唑对胃溃疡患者血浆MDA、SOD、NO及ET-1水平的影响大于奥美拉唑,表明其在该病中有更高的治疗价值,值得临床应用及推广。     

糖尿病视网膜病变患者尿微量清蛋白与血清C-反应蛋白水平的变化及意义

目的探讨糖尿病视网膜病变(DR)患者尿微量清蛋白(UMA)和血清C-反应蛋白(CRP)水平的变化及意义。方法选取2型糖尿病(T2DM)患者152例,分为无糖尿病视网膜病变组(NDR组)65例、非增生性糖尿病视网膜病变组(NPDR组)53例、增生性糖尿病视网膜病变组(PDR组)34例;另选取40例健康体检者为健康对照组(NC组),检测UMA和血清CRP水平及相关临床参数。结果 UMA及血清CRP水平在NC组、NDR组、NPDR组及PDR中依次升高,差异均有统计学意义(P0.05);Spearman相关分析显示,T2DM患者UMA与CRP呈显著正相关(r=0.311,P0.05);UMA与病程、空腹血糖(FBG)、低密度脂蛋白胆固醇(LDL-C)、糖化血红蛋白A1c(HbA1c)及胰岛素抵抗指数(HOMA-IR)呈正相关(P0.05),CRP与病程、FBG、HbA1c及HOMA-IR呈正相关(P0.05)。结论 DR的发展与肾损害联系密切,慢性炎症与高糖血症及胰岛素抵抗可能通过影响T2DM患者的肾功能参与DR的发生与发展。     

Plasma total antioxidant capacity, lipid peroxidation, and erythrocyte antioxidant enzyme activities in patients with rheumatoid arthritis and osteoarthritis

OBJECTIVES: The metabolism of cells in inflammatory and noninflammatory arthritic joint diseases is subject to complex environmental controls. The aim of the present study was to investigate the total antioxidant capacity (TAC), levels of lipid peroxidation (LPO), and antioxidant enzyme activities in patients with rheumatoid arthritis (RA) and osteoarthritis (OA). DESIGN AND METHODS: Plasma levels of TAC, malondialdehyde (MDA), the activities of some erythrocyte antioxidant enzymes, as well as erythrocyte sedimentation rates (ESR) were estimated in patients with RA and OA and compared with controls. RESULTS: The plasma TAC levels were significantly lower in the RA group than the OA and control group (P < 0.05). Plasma MDA concentrations were significantly higher in patients with RA than those with OA and healthy subjects (P < 0.05). Erythrocyte GSH-Px and CAT activities were found to be significantly lower in patients with RA than those with OA and healthy subjects (P < 0.05, P < 0.05, respectively). However, there were no significant differences in erythrocyte SOD activities between the groups (P > 0.05). ESR were significantly higher in RA patients than in healthy subjects and patients with OA (P < 0.01). Moreover, there were significant negative correlations between TAC vs. MDA, ESR vs. TAC, and a positive correlation between ESR vs. MDA in the RA group (r = -0.398, P < 0.05; r = -0.422, P < 0.05; r = 0.530, P < 0.05, respectively). CONCLUSIONS: Our results demonstrated that levels of LPO are increased in patients with RA compared to patients with OA. In addition, plasma TAC levels are decreased in RA due to its inflammatory character. We conclude that detecting plasma TAC levels with this novel method may be used as a routine and rapid test to verify the levels of oxidative stress in RA. Furthermore, correlating TAC and LPO levels with acute phase reactants such as ESR may give some clues about disease activity in RA.